Overview:

SOFTSWISS is looking for an Infrastructure Security Team Lead to lead the Infrastructure Security team within a high-load international iGaming company operating remotely across regulated markets.

Purpose of the role:

You will be responsible for leading and developing the Infrastructure Security Team, defining priorities, establishing scalable security processes, and driving infrastructure security outcomes across the organization. The role combines team leadership with strong technical guidance to support security decision-making across infrastructure domains.

Key responsibilities:

• Lead, coach, and develop the Infrastructure Security team, ensuring clear ownership, accountability, and strong execution
• Define and drive the Infrastructure Security strategy, roadmap, standards, and operating model.
• Prioritize team initiatives based on security risk, business impact, engineering capacity, and regulatory requirements
• Guide security across infrastructure environments, including cloud platforms, Kubernetes, endpoints, privileged access management, remote access, and vulnerability management
• Build scalable processes for risk prioritization, remediation tracking, and cross-functional collaboration
• Partner with Engineering, Product, Infrastructure, and Security teams to integrate security early and improve execution

• Communicate infrastructure security risks, priorities, trade-offs, and progress clearly to technical teams and leadership

   

Required Experience:

• 5+ years of experience in cybersecurity, including experience leading and managing technical security teams
• Strong background in Infrastructure Security, Cloud Security, or Platform Security
• Experience translating security goals into clear roadmaps, priorities, ownership models, and measurable outcomes
• Proven leadership skills with experience in coaching, delegation, feedback, and team development
• Ability to influence stakeholders and drive change across cross-functional teams
• Strong communication skills with the ability to engage both technical and non-technical audiences
• Upper-Intermediate or higher English level

• Upper-Intermediate or higher Russian level

   

Nice to have:

• Experience securing infrastructure in high-risk or regulated environments such as iGaming, Crypto, FinTech, or similar industries.
• Experience maturing a security function from reactive execution to a structured, scalable security program.
• Experience leading distributed or fully remote technical teams.
• Hands-on experience with Zero Trust models, secure remote access, AWS, OCI, and Google Workspace Security.

• Experience with digital asset or cryptocurrency infrastructure security

   

Our Benefits:

• Private health insurance
• Sports benefits
• Comprehensive Mental Health Program
• Free English lessons (online)
• Local language courses
• Paid time off
• Maternity leave support
• Referral program rewards
• Upskilling, internal workshops, and participation in professional conferences and corporate events

We are looking for a Senior Data Engineer to join a project in the tech capital of the world – Silicon Valley.
 

17:00–02:00 Kyiv time = 7:00–16:00 Pacific Time (PST/PDT).
 

Project Idea

The project was founded back in 2014 with the goal of connecting private and government universities with regular people like we are. You have a variety of auditoriums, gyms, classrooms, and other venue options available for community use –
schedule facility uses and manage requests from the community all in one place.

Just imagine that you’re a football player and you can rent a football field at Harvard to play with your friends. Amazing, right?

Must have:

• 5 + years of experience in Data Engineering or related roles;
• Strong SQL skills and hands-on experience with PostgreSQL (including Aurora Serverless);
• Solid knowledge of Python for data processing and automation;
• Experience building and maintaining ETL/ELT pipelines using cloud-native tools (e.g., AWS Lambda, S3, SQS);
• Proven experience working with MongoDB and MongoDB Atlas, including event-driven architectures using Atlas Triggers, Stream Processing;
• Proficiency with dbt for building modular, testable, and well-documented data transformation workflows;
• Good understanding of data modeling principles for OLAP/OLTP systems, including normalization and dimensional modeling;
• Demonstrated experience designing and implementing data warehouses and data marts;
• Working knowledge of Node.js, particularly in backend logic tied to data ingestion or transformation workflows;
• Familiarity with cloud data platforms (e.g., AWS) and serverless computing patterns;
• A technical degree (e.g., Computer Science, Engineering, Math) is a plus;
• Upper-Intermediate English or higher for effective communication and documentation.

Soft skills:

• Proactive – you take ownership and act without waiting for direction;
• Detail-oriented – you deliver accurate, high-quality work;
• Initiative-driven – you’re eager to improve processes and take action.

Responsibilities:

• Design, implement, and maintain scalable and reliable data pipelines using Python, dbt, and AWS Lambda;
• Build and optimize data architectures to support analytics, reporting, and machine learning use cases, including data warehouse and data mart modeling on PostgreSQL (Aurora Serverless);
• Develop and manage ELT workflows that extract data from MongoDB (using Atlas triggers) and load into staging and production layers in PostgreSQL;
• Ensure data consistency and lineage by applying robust data quality checks, auditing, and reconciliation logic;
• Collaborate with cross-functional teams to gather data requirements, understand business logic, and translate them into efficient data models and transformations;
• Monitor and troubleshoot SQS/Lambda-based ingestion pipelines, addressing issues related to concurrency, message processing, and data duplication;
• Contribute to the semantic layer design used by BI and reporting tools to ensure consistency and accessibility of business metrics;
• Maintain and evolve dbt models (staging, intermediate, and marts) aligned with software engineering and analytics best practices;
• Drive continuous improvement in data engineering processes and data governance standards, ensuring scalability, maintainability, and security.

Playtech‘s Casino unit is looking for a proactive Junior Automation QA Engineer with strong attention to detail and analytical skills.  

Your influential mission. You will... 

• Review and analyze requirements and specifications.
• Create various types of test documentation, including checklists, test suites, and Test Plans.
• Create bug reports and tasks in Jira.
• Perform various types of testing.
• Analyze test results, issues, and failures.
• Provide test reports.
• Design and implement automated test cases (UI, API).
• Build and maintain test frameworks (e.g., Appium + TestNG).
• Set up and maintain test environments, test data, and device farms.
• Execute automated tests and report results through CI/CD pipelines.
• Analyze failures and identify real bugs versus flaky tests.
• Report, validate, and track defects.
• Maintain and improve the stability of the test framework.

Components for success. You... 

• Have 2+ years of experience in software testing, including 1+ years in test automation.
• Have a strong understanding of software testing methodologies, approaches, and best practices.
• Have hands-on experience creating and reviewing test cases, checklists, and test plans.
• Are experienced in various testing types, including functional, load, and stress testing.
• Have worked in Agile environments and understand the Software Development Life Cycle (SDLC).
• Have experience testing mobile applications on Android and iOS platforms.
• Have built or improved testing processes from scratch.
• Possess strong analytical and problem-solving skills.
• Are proficient with tools such as JIRA, Confluence, and TestRail.
• Communicate effectively in English, both written and spoken.

Automation skills

• Have base programming skills in Java, with an understanding of programming patterns and principles.
• Have hands-on experience with mobile test automation for Android and iOS hybrid applications using Selenium, Appium, TestNG, and Java.
• Are familiar with version control systems such as Git and SVN.
• Have experience working with REST APIs, JSON, and HTTP-based technologies.
• Have a good understanding of relational databases and SQL.
• Are familiar with BDD, ATDD, and TDD approaches.
• Have experience working with JSON and XML data formats.

You'll get extra points for...

• Experience using AI-powered coding tools such as Cursor to improve development efficiency and accelerate refactoring

Thrive in a culture that values...  

• Technical excellence and engineering ownership.
• Initiative-taking and confident decision-making.
• Strong team environment and the ability work with the most recent market-leading technologies.
• Initiative-taking and confident approach at the workplace.
• Global scope and inclusive working environment where you can engage with diverse teams and perspectives.
• Constant learning and development opportunities and professional growth programs.
• Active lifestyle and mental well-being, supported through sports classes, master classes, and monthly well-being activities.
• Medical insurance.
• Paid vacation days, sick leaves and national holidays.
• Fully-equipped cosy office space located in the city centre (Gulliver, “Palats Sportu” metro station)

CASINO UNIT
Casino products are the flagship of Playtech’s products, offering an industry-leading selection of online games together with a state-of-the-art platform for seamless integration with our business customers’ websites. We ensure to deliver a thrilling web experience content library that includes a slot, table/card, fixed odds games, and more. Some of the movie and entertainment brands we have collaborated with, include DC, MGM, and NBC Universal. Casino Unit is represented in the following locations: Estonia, Bulgaria, and Ukraine and includes around 300 great employees in total, who build the most extensive games portfolio across the industry.

Playtech is an equal opportunities employer. Our mission is to welcome everyone and create inclusive teams. We celebrate differences and encourage everyone to join us and be themselves at work.

We’re looking for a senior-level React engineer to own critical frontend experiences, collaborate closely with product/design.

What you’ll do

• Design, build, and ship high-performance, responsive web UIs
• Partner with product managers, designers, and analysts to translate user needs into elegant product experiences
• Plan and execute short- and long-term roadmaps balancing user impact, technical quality, and delivery speed

• Raise the bar through code reviews, mentoring, and improvements to our tooling and processes

   

Must-have expertise

• Next.js (our web app is built with Next.js)
• Monorepos using Yarn Workspaces or Nx
• Tailwind CSS (our primary design system)
   

Technical requirements

• 5+ years of professional software development experience
• 5+ years with React and its ecosystem (e.g., Redux, React Router)
• Strong proficiency in JavaScript (ES6/ES7) and TypeScript
• Deep knowledge of HTML/CSS, responsive design, and accessibility (a11y) best practices
• Hands-on with modern build tooling and package managers (Vite, esbuild, Yarn)
• Experience with server-side rendering and Next.js, plus working knowledge of Node.js
• Comfortable with Git workflows and agile methodologies
• 3+ years working with major cloud providers (AWS/GCP/Azure)
• Storybook
   

Nice to have

• Experience with monorepo release management and internal package versioning
• Familiarity with performance profiling, Web Vitals, and SEO in Next.js
• E2E testing (Playwright/Cypress) and CI/CD pipelines
• Experience in fintech or data-heavy, real-time UIs

Join a team building technology that helps make life-saving drugs more accessible and affordable worldwide. We are looking for a Senior Full Stack Software Engineer to help scale an AI-driven platform used by pharmaceutical and biotech companies to improve manufacturing efficiency and reduce waste.

We at Sigma Software value ownership, engineering excellence, and meaningful innovation. You will join a fast-growing environment where your ideas directly influence the product and where modern technologies are used to solve real-world scientific problems. Why Join Us: work on impactful AI-powered solutions, collaborate with international experts, and grow your technical leadership in a high-impact domain.

CUSTOMER

Our Customer is a rapidly growing AI-driven biotech platform company focused on transforming pharmaceutical manufacturing processes. Their mission is to help life sciences organizations increase production efficiency, lower operational costs, and reduce material waste through intelligent automation and AI-powered solutions.

PROJECT

The project focuses on developing a scalable AI biomanufacturing platform that combines modern software engineering with machine learning capabilities. The platform enables pharmaceutical and biotech companies to optimize production processes through advanced analytics, automation, and AI-driven insights. You will contribute to the architecture, development, and deployment of mission-critical product features while working in a highly collaborative cross-functional environment.

RESPONSIBILITIES

• Design and develop scalable Full Stack features for the AI biomanufacturing platform
• Own product functionality end-to-end from architecture to production deployment
• Develop and maintain backend services, APIs, and frontend interfaces
• Collaborate with ML Scientists and Data Engineers to integrate AI capabilities into the platform
• Ensure engineering excellence through code reviews, testing, and technical documentation
• Mentor Junior engineers and contribute to engineering best practices
• Communicate directly with pharma clients and domain experts to translate business needs into technical solutions

• Improve platform reliability, scalability, and performance

   

REQUIREMENTS

• 5+ years of commercial Full Stack software engineering experience
• Strong proficiency in Python or TypeScript for backend development
• Experience with frontend development and modern web technologies
• Strong understanding of relational databases, API design, and distributed systems
• Experience delivering production-grade software with scalability and reliability considerations
• Good understanding of software architecture and engineering best practices
• Experience working with cloud platforms such as AWS, GCP, or Azure
• Strong communication and collaboration skills
• Upper-Intermediate or higher English level

• Ability to take ownership from problem discovery to solution delivery

   

WILL BE A PLUS

• Experience working in regulated industries such as GxP, GMP, or HIPAA environments
• Familiarity with AI/ML integrations or LLM-powered products
• Background in life sciences, pharmaceutical, or biomanufacturing domains

• Experience with DevOps practices and infrastructure automation

   

PERSONAL PROFILE

• Proactive and ownership-driven mindset
• Strong problem-solving skills
• Passion for building impactful products
• Ability to work effectively in cross-functional teams
• Curious, adaptable, and fast-learning personality
• Attention to quality and engineering excellence

____________________________________________________________________________________

Приєднуйся до команди, яка створює технології, що допомагають зробити життєво необхідні ліки доступнішими та дешевшими у всьому світі. Ми шукаємо Senior Full Stack Software Engineer, який допоможе масштабувати AI-driven платформу, що використовується фармацевтичними та біотехнологічними компаніями для підвищення ефективності виробництва та зменшення відходів.

У Sigma Software ми цінуємо відповідальність, engineering excellence та змістовні інновації. Ти приєднаєшся до середовища, що стрімко зростає, де твої ідеї безпосередньо впливатимуть на продукт, а сучасні технології використовуються для вирішення реальних наукових задач. Чому варто приєднатися до нас: працюй над AI-powered рішеннями з реальним впливом, співпрацюй із міжнародними експертами та розвивай свою технічну експертизу й лідерство у high-impact domain.

КЛІЄНТ

Наш клієнт — це AI-driven biotech platform company, що стрімко зростає та трансформує процеси фармацевтичного виробництва. Їхня місія — допомагати компаніям у сфері life sciences підвищувати ефективність виробництва, знижувати операційні витрати та скорочувати кількість відходів завдяки intelligent automation та AI-powered solutions.

ПРОЄКТ

Проєкт зосереджений на розробці масштабованої AI biomanufacturing platform, яка поєднує сучасну software engineering експертизу та machine learning capabilities. Платформа допомагає фармацевтичним і біотехнологічним компаніям оптимізувати виробничі процеси за допомогою advanced analytics, automation та AI-driven insights. Ти долучишся до архітектури, розробки та deployment критично важливих функцій продукту, працюючи у highly collaborative cross-functional environment.

ОБОВʼЯЗКИ

• Проєктувати та розробляти масштабовані Full Stack features для AI biomanufacturing platform
• Відповідати за product functionality end-to-end — від архітектури до production deployment
• Розробляти та підтримувати backend services, APIs і frontend interfaces
• Співпрацювати з ML Scientists і Data Engineers для інтеграції AI capabilities у платформу
• Забезпечувати engineering excellence через code reviews, testing і technical documentation
• Менторити Junior engineers та сприяти розвитку engineering best practices
• Напряму комунікувати з pharma clients і domain experts, трансформуючи бізнес-потреби у технічні рішення

• Покращувати reliability, scalability та performance платформи

   

ВИМОГИ

• 5+ років комерційного досвіду у Full Stack software engineering
• Впевнене володіння Python або TypeScript для backend development
• Досвід frontend development та роботи із сучасними web technologies
• Глибоке розуміння relational databases, API design і distributed systems
• Досвід створення production-grade software з урахуванням scalability та reliability
• Хороше розуміння software architecture та engineering best practices
• Досвід роботи з cloud platforms, такими як AWS, GCP або Azure
• Сильні communication та collaboration skills
• Рівень англійської Upper-Intermediate або вище

• Здатність брати ownership — від виявлення проблеми до delivery рішення

   

ПЕРЕВАГОЮ БУДЕ

• Досвід роботи в regulated industries, таких як GxP, GMP або HIPAA environments
• Знайомство з AI/ML integrations або LLM-powered products
• Досвід у life sciences, pharmaceutical або biomanufacturing domains

• Досвід роботи з DevOps practices та infrastructure automation

   

ПЕРСОНАЛЬНИЙ ПРОФІЛЬ

• Проактивний підхід і ownership-driven mindset
• Сильні навички problem-solving
• Захоплення створенням продуктів із реальним впливом
• Здатність ефективно працювати у cross-functional teams
• Допитливість, адаптивність і здатність швидко навчатися
• Уважність до якості та engineering excellence

🚀 We're looking for a Project Manager / Account Manager!

REQUIREMENTS:

• 6+ months of commercial experience as a Project Manager, Account Manager, or in a hybrid PM/AM role.
• Experience managing teams and coordinating multiple projects or clients simultaneously.
• Upper-Intermediate/Advanced English (C1+) with the ability to communicate confidently and negotiate with international clients – MUST.
• Strong communication, stakeholder management, and negotiation skills.
• Ability to prioritize tasks, manage workloads, and ensure timely delivery.
• Solid understanding of SDLC, software development methodologies, and project management fundamentals.
• Strong ownership, responsibility, problem-solving skills, and the ability to stay organized under pressure.

Nice to have:

• Experience working with QA teams or within software testing projects.
• Experience in IT consulting or service-based companies.
• Hands-on experience with CRM systems and project/task management tools.
• Experience identifying upsell opportunities and expanding long-term client partnerships.

RESPONSIBILITIES:

• Manage one core project, coordinating manual and automation QA teams.
• Plan and allocate team resources across projects to ensure efficient delivery.
• Communicate with clients regarding project progress, priorities, and current activities.
• Prioritize and manage project backlogs together with the team.
• Ensure timely delivery and maintain high-quality project outcomes.
• Build and maintain long-term relationships with existing clients.
• Handle client requests and ensure agreed commitments are fulfilled.
• Monitor client satisfaction, collect feedback, and proactively resolve issues.
• Identify opportunities to expand cooperation and support business growth through upsell initiatives.

WHAT WE OFFER:

• Full-time remote position with stability and career growth opportunities.
• Ukrainian holidays off, plus paid vacation and sick leave.
• Compensation for English courses and sports activities.
• Access to an in-house English-speaking club.
• Accounting support and a proactive work environment.
• Engaging corporate events and team-building activities.
• Opportunity to work with international clients from the UK, USA, and EU.
• Friendly, supportive team with the freedom to take ownership and make an impact.

About Our Client

Our client is a leading enterprise data platform company building an open, high-performance data lakehouse for AI and analytical workloads. The platform combines an intelligent SQL query engine, an AI-ready semantic layer, and an open catalog built on Apache Iceberg — enabling Fortune 500 companies across finance, energy, manufacturing, and logistics to unify, query, and govern data at massive scale across cloud and on-premise sources.

About the Role

We are looking for a Senior Software Engineer for the team that owns the reliability and operational excellence of a large-scale data platform, delivered both as a cloud service and as self-managed software. You will work across the full platform — observability, security, control plane, and core services — diagnosing complex issues and delivering durable fixes across cloud, hybrid, and on-premises environments, in close collaboration with product engineering, SRE, support, and field teams.

This is a backend platform engineering role focused on distributed systems reliability — not application development or CRUD services.

Responsibilities

• Investigate, diagnose, and resolve complex issues across cloud and self-managed deployments — distributed systems failures, performance degradation, and reliability incidents
• Own bug fixes and targeted improvements across core services, control plane, security, and observability infrastructure
• Support automated deployment and integration frameworks that enable consistent, repeatable delivery across cloud, hybrid, and on-premises environments
• Contribute to cluster lifecycle management, observability, and operational supportability capabilities
• Partner with SRE, support, and field teams to triage and resolve escalated customer issues
• Build runbooks, root cause analyses, and internal tooling that reduce time-to-resolution over time
• Collaborate with product engineering so that fixes are integrated back into the main codebase effectively

Required Qualifications

• Bachelor's or Master's degree in Computer Science or a related field, or equivalent experience
• 5+ years of software engineering experience with strong hands-on Java development at production scale
• Proficiency in Python and Bash for scripting, automation, and tooling
• Solid foundation in data structures, algorithms, and multi-threaded / asynchronous programming models
• Experience designing, debugging, and operating large-scale distributed systems or microservices
• Hands-on experience with Kubernetes and Docker across cloud, hybrid, or on-premises deployments
• Cloud-native development experience on one or more of AWS, Azure, or GCP
• Strong understanding of networking fundamentals (TCP/IP, DNS, HTTP)
• Clear communicator — able to explain problems, root causes, and solutions to technical and non-technical audiences
• Comfortable with AI-assisted development workflows — using modern AI tools productively while critically validating their output
• English Upper-Intermediate or higher (B2+) — daily written and verbal communication with a US-based engineering team
• Availability to work EU business hours shifted 2–3 hours later for daily overlap with US West Coast mornings

Desired Skills

• Observability platforms: OpenTelemetry, distributed tracing, metrics, logging
• Background in data processing, data warehouse, data lake, or analytics systems
• Distributed file and object storage: S3, ADLS, or HDFS
• Infrastructure-as-code (Helm, Terraform) and CI/CD tooling (Jenkins, ArgoCD)
• Identity, authentication, and authorization systems: SSO, OAuth, SAML, RBAC
• NoSQL databases (MongoDB, RocksDB), Redis, or partner/OEM integration patterns
• Query processing, concurrency control, data replication, or storage systems

Details

• Engagement: Long-term contract
• Location: Europe (EU / EEA / UK), remote
• Working hours: EU business hours, shifted 2–3 hours later for daily overlap with the US West Coast team

We’re True Sea Moss, a dynamic team on a mission to bring health and wellness to the world through the power of seaweed. Since 2020, we've been crafting natural vitamin-packed products rich in vitamins and minerals straight from the ocean that make people feel amazing. Our innovative seaweed-based supplements are sold through major US retailers, Amazon, and our own website. With a production capacity of over 12,000 units daily, we’re setting out to lead the way in our niche.

Learn more about our products: https://trueseamoss.com/

Our vibe? Flexible, open, and genuinely friendly. We’re big believers that people are the secret sauce to our success. With a multicultural team of over 60 professionals we’re growing fast and looking for a talented Recruiter / Talent Acquisition Specialist to help us find stellar talent and take our growth to the next level.

We need someone who knows how to spot a gem of a candidate and bring them on board with confidence. You’ll be the go-to person for finding talents in e-commerce, marketing, TikTok expertise, and customer support

Employment Type: Full-Time

Key Responsibilities:

• Manage the full recruitment cycle from A to Z: job postings, interviews, offers, and onboarding.
• Hunt for the best candidates — whether they’re actively looking or need a nudge (cold outreach).
• Develop talent attraction strategies and enhance the appeal of job postings.
• Build friendly communication channels with candidates and internal teams.
• Support the onboarding process and contribute to the improvement of HR processes.
• Shape our company culture and help fine-tune how we recruit and grow.

What We’re Looking For:

• 2 + years of recruitment experience (bonus points if it’s with fast-growing companies, startups, or e-commerce).
• Experience working with ATS systems.
• Proficiency with candidate sourcing platforms (LinkedIn, Telegram, etc.).
• Knowledge of search techniques such as X-ray and Boolean search.
• A knack for building trust and connecting with even the toughest-to-reach talent.
• Comfort with cold outreach and the ability to make candidates feel excited about joining us.
• Strong communication and trust building skills with candidates.
• English: Upper-Intermediate (B2).

Our Ideal Candidate:

• Active, results-oriented, and initiative-driven.
• Strong communication skills, able to build trustful relationships.
• Flexible and comfortable working in a fast-paced environment.
• Organized, adaptable, and proactive.
• Willingness to grow and overcome challenges.

What We Offer:

• Flexibility: Work from anywhere, on your schedule. Just get the job done, and we’re happy.
• An Awesome Team: You’ll be surrounded by friendly pros who’ve got your back.
• Big Opportunities: We’re growing fast, and you’ll grow right along with us.
• A Product to Believe In: Natural, innovative, and truly making a difference.
• Top Tools: We’re all about working smarter with Slack, Trello, and other modern tools.
• Competitive and timely salary + bonuses: Let’s chat about a salary that matches your skills and experience.
• Courses and trainings at the company expense.
• Paid vacations and sick days.

We’re not just looking for someone to fill a seat — we’re looking for a partner to help us build the dream team. At True Sea Moss, you’ll find flexibility, support, and growth mixed with ambitious goals and a fast-paced, exciting environment.

Ready to join the True Fam and make waves in the natural products world? Let’s do this.

About us :

Techstack is a technology product engineering company that sets an example for high development standards in the IT industry. We empower each team member to influence the development of the product, company, and processes.

About the product :

We are looking for a Middle Full-Stack Engineer (.NET + React) to join a project for our US-based partner, a digital healthcare company providing remote cardiac monitoring solutions for clinics and hospitals.
The engineer will work on a web-based application that enables healthcare professionals to manage patient monitoring studies and access clinical information. You’ll contribute to both the .NET backend and React-based frontend, developing new functionality, improving existing features, and supporting the security, reliability, and scalability of the product.

Your team :

You’ll join a cross-functional team of .NET developers, QA engineers, an Automation QA Engineer, and a Team Lead. You’ll work closely with the team on developing and improving the product.
Core technology stack:
Backend: C#, .NET, ASP.NET Core, Entity Framework Core
Frontend: React, JavaScript, HTML5, CSS3
Architecture & data: REST APIs, microservices, MS SQL Server, PostgreSQL
Integration & security: AWS SQS; RabbitMQ/Kafka; OIDC, SSO, API security
Cloud & delivery: AWS (ECS, Fargate, EC2, Lambda, S3), Docker, CI/CD

Your responsibilities:

• Develop and maintain features across .NET backend services and a React-based web interface.
• Build reusable UI components and integrate them with REST APIs.
• Develop and maintain REST APIs, integration services, and scalable, stateless backend components.
• Work with MS SQL Server, PostgreSQL, and Entity Framework Core.
• Implement and support asynchronous service communication using message queues such as AWS SQS, RabbitMQ, or Kafka.
• Apply secure development practices, including authentication/authorization, OIDC/SSO, and API security.
• Work with AWS-hosted services and support Docker-based deployments and CI/CD pipelines.
• Investigate and resolve issues across the frontend and backend.
• Participate in code reviews and technical discussions.
• Collaborate with developers, QA engineers, and project stakeholders.
• Maintain relevant technical documentation.
• Contribute to the security, reliability, scalability, and maintainability of the application.

It's about you:

• 3+ years of professional experience with C# and .NET
• Strong practical experience with ASP.NET Core, REST APIs, Entity Framework Core, and microservices
• Hands-on commercial experience with React and JavaScript
• Component-based UI development and frontend/API integration
• Working knowledge of HTML5, CSS3, and responsive web interfaces
• Solid SQL skills and experience with relational databases, including MS SQL Server and PostgreSQL
• Hands-on experience with AWS-based applications
• Hands-on experience with containerization
• Experience with integrations and message queues
• Understanding of asynchronous communication
• Understanding of authentication/authorization, OIDC/SSO, secure coding, and API security
• Ability to translate requirements into technical solutions
• Clear communication, problem-solving skills, and ownership

How to join:

• Pre-screening with a recruiter
• Expert review of your resume
• English check
• Interview with our experts
• Customer interview

Culture:
At Techstack, we care about how we build products — not only about the result, but also about the quality of the engineering process and the way we work together.
We encourage people to keep learning, share what they know, and take ownership of their work.
Tech Guilds — communities where specialists share knowledge, discuss technical solutions and approaches, and keep up with industry trends.
Meetups and knowledge sharing — opportunities to share your experience with colleagues and the wider tech community.
Mentoring and leadership — opportunities to grow as a mentor, technical lead, or take on other roles where you can support others and share your expertise.
We believe that good products come from people who care about what they build, keep developing their expertise, and are comfortable both challenging ideas and being challenged.
What we have for you:
 

• Flexible work format — remote work or one of our hubs in Kyiv, Lviv, Kharkiv, or Wrocław, plus flexible working hours.
• Professional growth — Tech Guilds, mentoring, meetups, knowledge sharing, and other development opportunities.
• Education support — 50% compensation for professional courses, trainings, webinars, and certifications.
• English — free General English, Business English, and speaking clubs.
• Time off — 20 paid days off and 7 paid sick days per year, plus additional days off.
• Support — legal and accounting support.
• Community — online and offline team activities, professional events, and appreciation gifts.

See yourself in this role? Send us your resume and let’s start the conversation!

We’re looking for a Performance Marketing Editor who understands that performance is the brief. This role is responsible for turning raw footage, creator content, production assets, existing ads, and other source material into compelling paid-social creative designed to acquire customers. 

You’ll work in a high-volume environment where editing decisions are informed by both creative judgment and performance data. The goal isn't simply to make one polished ad—it's to build, test, iterate, and continuously improve creative at scale. 

What You’ll Do 

• Edit high-performing video advertising for Meta, TikTok, YouTube, and other paid social channels. 

• Transform raw creator and production footage into compelling direct-response advertising. 

• Develop multiple meaningful variations from concepts and source material. 

• Rapidly iterate on winning ads based on performance feedback. 

• Experiment with hooks, pacing, structure, visual storytelling, text treatments, CTAs, and other creative variables. 

• Work closely with Creative Strategists to translate briefs and hypotheses into finished ads. 

• Identify opportunities within existing footage and assets that may not have been explicitly requested in the original brief. 

• Adapt successful concepts into new formats and executions without simply creating minor variations of the same ad. 

• Maintain strong organization across project files, source footage, finished ads, and reusable creative assets. 

• Help improve workflows for locating, organizing, tagging, and reusing creative assets. 

• Collaborate with the broader creative team to improve production and post-production systems over time. 

• Stay current on editing styles, social formats, platform trends, and emerging creative technology. 

What We’re Looking For 

• 3+ years of professional video-editing experience, ideally within performance marketing, DTC/eCommerce, advertising, or high-volume social content. 

• Advanced proficiency in Adobe Premiere Pro or comparable professional editing software. 

• Strong understanding of pacing, storytelling, hooks, retention, and direct-response advertising. 

• Ability to work quickly without sacrificing creative judgment or execution quality. 

• Comfortable receiving performance feedback and using it to inform subsequent edits. 

• Ability to manage multiple projects and deadlines simultaneously. 

• Excellent attention to detail and file organization. 

• A portfolio demonstrating strong short-form advertising or social content. 

How We Show Care: 

• A personalized welcome kit full of True Sea Moss goodies 

• Sports reimbursement to keep your body as nourished as your mind 

• Extra vacation days on top of local holidays 

• Monthly coaching sessions to accelerate your professional growth 

• Corporate English classes if you’d like even sharper language skills 

• WHOOP membership for holistic health insights 

• Coworking stipend so you can choose your perfect workspace 

• Team off-sites and creative project grants to spark inspiration

Sound like you or someone you know? We’d love to hear your story. Let’s grow something true together.

IT-Reserved is a team of digital specialists that creates comprehensive IT solutions for business. We work in 14 areas, including IT, marketing, legal and real estate. Our team includes 180+ specialists who implement projects of any complexity to meet the needs of the client.

Due to the growing demand for our services, we are expanding our team and looking for an ambitious Sales Manager to join us, achieve great results work on exiting projects!

Why join us?

• competitive salary $1,200-1,500, + performance-based bonuses for deals (on average, managers earn an income of $3000)
• work directly with international clients;
• professional onboarding and mentoring;
• lack of micromanagement and bureaucracy;
• compensation for travel expenses from your city to Lviv, as well as (the possibility of renting housing at the company's expense for the first 3 months);

Candidate requirements: 

• experience in working with customers (sales, logistics, support)
• English language proficiency at level B2+
• systematicity and responsibility in work;
• proactivity and result orientation;
• ability to negotiate and build partnerships.

Job responsibilities: 

• contacting warm leads and developing new business relationships;
• conducting negotiations and managing the contract closing process;
• monitoring processes in the CRM system and ensuring high-quality reporting;
• maintaining long-term relationships with key partners;
• preparing commercial proposals and issuing invoices.

We offer:

• paid vacation, sick leave and 1 day-off per month;
• access to a corporate library with courses in marketing, IT, HR, management, etc.;
• a comfortable and modern office with everything you need for work;
• opportunities for both vertical and horizontal career growth;
• corporate events and English classes with a teacher.

Our hiring process consists of the following stages:

1st stage: online interview with a recruiter;

2nd stage: English test;

3rd stage: final interview with the sales director.

Send us your resume, and we will get back to you shortly.

An international agency specializing in digital entertainment and subscription-based products, focused on the U.S. market.
The company works with scalable digital products, is actively expanding its performance marketing division, and is building its own in-house team.
They are currently seeking their first Meta Ads Media Buyer to launch and develop the Facebook/Instagram Ads division, with the potential to advance to Team Lead.
 

We offer:

Fully remote work;

Fixed salary + performance-based bonuses;

Payments in cryptocurrency (USDT);

Direct interaction with the founder;

The opportunity to build the Meta Ads division from scratch;

Quick decision-making without bureaucracy;

Opportunity to advance to Team Lead;

Flexible work schedule;

International team;

Long-term collaboration;

Key Responsibilities:

Launching and managing ad campaigns on Meta Ads (Facebook and Instagram);

Researching and testing new creatives, audiences, and targeting;

Scaling successful ad campaigns;

Analyzing key metrics: CPM, CTR, CPC, CPL, CPA, ROAS;

Managing ad accounts, Business Manager, and Facebook Pages;

Assigning tasks to designers and the creative team;

Building and optimizing advertising funnels;

Preparing regular reports;

Identifying new opportunities to scale traffic.

What we expect from the candidate:

At least 3 years of experience as a Media Buyer / Performance Marketer;

Solid hands-on experience with Meta Ads;

Experience independently launching and scaling ad campaigns;

Understanding of the full media buying cycle: testing

RedCore is an international business group that creates technological solutions for digital markets. Our products and services cover fintech, marketing, e-commerce, customer service, communications and regulatory technologies. 

We are looking for a Senior Retention Marketing Specialist to join our team.

Requirements:
- Gambling experience is mandatory;

- Experience in drafting and conducting marketing activities for player retention and return;

- Analytical mindset, ability to calculate the economics of promos as well as analyze the results;

- Experience with client segmentation;

- Understanding of basic approaches to A/B testing and hypothesis testing to optimize marketing activities;

- Creativity;

- Knowledge of marketing metrics: MAU/DAU, LTV, ARPU, RR, GGR, NGR, etc.;

- Experience working with analytics tools: GA, Tableau, Voluum, Power BI, Google Data Studio.
 

Will be plus:

-Experience launching a new gambling product;

-Experience working with IN/BD geos;

-Experience working with multiple GEOs and localized campaigns;

-Experience working with Customer.io

Our benefits to you:
 🔸An exciting and challenging job in a fast-growing holding, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance and more
Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed
🔸Modern corporate equipment based on macOS or Windows and additional equipment are provided
🔸Paid vacations, sick leave, personal events days, days off
🔸Referral program — enjoy cooperation with your colleagues and get the bonus
🔸Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences
Rewards program for mentoring and coaching colleagues
🔸In-house Travel Service
🔸Multiple internal activities 
🔸Other benefits could be added based on your location

We are looking for a Senior Backend Engineer to join the Core Banking Services team and help build and scale a high-performance Banking-as-a-Service (BaaS) platform.

The team develops secure, highly available backend services that enable internal products and partner banks to manage customers, accounts, and core banking processes. You will work on distributed systems supporting critical financial operations, with a strong focus on scalability, reliability, security, and clean architecture.
 

Responsibilities:

• Design, develop, and maintain scalable backend services using Node.js and TypeScript.
• Build and maintain REST APIs and event-driven services within a serverless AWS architecture.
• Work with AWS services such as Lambda, SQS, API Gateway, EventBridge, DynamoDB, and S3.
• Contribute to the design and evolution of distributed systems supporting core banking processes.
• Take part in architectural and technical decisions, solution design, and technical documentation.
• Collaborate with other engineering teams and external partners to define and manage system integrations and dependencies.
• Develop reliable and well-tested solutions, covering unit, integration, and system testing.
• Work with Infrastructure as Code and contribute to improving CI/CD pipelines and development processes.
• Participate in threat modeling and contribute to building secure and resilient services.
• Take ownership of production reliability, including participation in an on-call rotation, incident investigation, root-cause analysis, and hotfixes.
• Proactively identify opportunities to improve system performance, reliability, and engineering practices.
   

Requirements:

• 5+ years of commercial Node,js backend development experience.
• Strong hands-on experience with TypeScript.
• Solid experience building distributed and event-driven systems.
• Strong practical experience with AWS, particularly serverless services such as Lambda, SQS, API Gateway, EventBridge, DynamoDB, and S3.
• Experience with Infrastructure as Code, preferably Terraform and/or AWS CDK.
• Good understanding and practical application of software design patterns and clean architecture principles.
• Experience with RESTful API design and OpenAPI.
• Strong testing experience, including unit and integration testing.
• Experience working with event-driven architectures and messaging technologies such as Kafka.
• Strong problem-solving and analytical skills.
• Ability to take ownership of technical solutions and work independently.
• Excellent communication and collaboration skills.
• Fluent English.
   

Nice to Have:

• Experience with monorepo setups, such as pnpm workspaces or similar.
• Experience with MySQL and ORM technologies such as Prisma.
• Experience with DynamoDB or other NoSQL databases.
• Previous experience in banking, fintech, payments, or other highly regulated domains.

ABOUT FIRST CRYPTO EXCHANGE LLC

First Crypto is a VARA-licensed OTC broker-dealer in Dubai serving individuals and institutions. We are building our own platform for digital assets and fiat payments: OTC desk, web client and mobile app.
 

JOB OVERVIEW

We are looking for a Business Analyst to join our team and help translate business needs into clear, structured requirements for product and engineering teams.

You will work closely with Product Managers, Developers, QA Engineers, and business stakeholders to analyze business processes, document requirements, identify gaps, and support the delivery of product and system improvements.
 

The key objective of the role is to bridge the gap between business needs and technical implementation, ensuring that requirements are clearly defined, documented, and translated into effective solutions for FCE's crypto and fintech products.
 

KEY RESPONSIBILITIES

• Gather, analyze, and document business and functional requirements from stakeholders.
• Translate business needs into clear specifications, user stories, use cases, and acceptance criteria.
• Analyze existing business processes, identify inefficiencies, and propose improvements.
• Work closely with Product Managers and Engineering teams to clarify requirements and support implementation.
• Prepare and maintain business analysis documentation, including process flows, diagrams, and functional specifications.
• Break down complex business processes into structured requirements and actionable development tasks.
• Analyze system behavior, business logic, dependencies, and edge cases.
• Participate in backlog refinement, sprint planning, and requirement clarification sessions.
• Support QA Engineers in defining test scenarios and validating that delivered functionality meets business requirements.
• Coordinate with stakeholders to resolve ambiguities and ensure alignment between business expectations and technical solutions.
• Analyze data and operational feedback to identify opportunities for process and product improvements.
• Use AI tools to improve research, documentation, requirements analysis, and day-to-day productivity.
   

QUALIFICATIONS & SKILLS

• 5+ years of Business Analysis experience in Crypto, Web3, FinTech, banking, payments, or trading platforms.
• AI-native mindset is a key requirement. The candidate should have hands-on experience using AI tools to automate and optimize business analysis workflows, build AI-powered processes, and improve efficiency across requirements gathering, documentation, data analysis, and cross-functional collaboration. We are looking for someone who can help establish and continuously improve AI-driven business analysis processes, rather than simply use AI as an occasional assistant.
• Understanding of cryptocurrency exchanges, OTC trading, digital asset operations, or crypto-fiat transactions.
• Experience with payment flows, financial integrations, transaction processing, or reconciliation.
• Experience gathering, analyzing, and documenting business and functional requirements.
• Experience writing user stories, use cases, functional specifications, and acceptance criteria.
• Ability to create process flow diagrams, business process models, and system interaction diagrams.
• Experience working closely with Product Managers, Developers, QA Engineers, and other stakeholders.
• Strong analytical and problem-solving skills, with the ability to break down complex business scenarios.
• Understanding of APIs, integrations, databases, and basic system architecture.
• Ability to identify dependencies, inconsistencies, risks, and edge cases in business requirements.
• Strong written and verbal communication skills.
• Experience using AI tools to support business analysis and documentation.
• Ability to work independently, manage priorities, and take ownership of assigned tasks.
• English — B2 or higher.
• Team language: Russian is widely spoken within the team.
   

WOULD BE A PLUS

• Familiarity with REST APIs, JSON, SQL, and tools such as Postman.
• Understanding of KYC/KYB, AML, custody, and regulatory requirements in financial services.
• Experience working in a regulated financial environment.
• Experience analyzing complex integrations between internal systems and external providers.
   

WORKING CONDITIONS & BENEFITS

1. Compensation: Competitive compensation based on experience.
2. Vacation: 20 working days per year.
3. Sick Leave: 10 days per year.
4. Days Off: 5 days per year.
5. Public Holidays: 8–10 days per year, depending on the holiday calendar of different countries.
6. Location: Remote, with potential relocation to the UAE.
7. Team: Collaborative environment with a high level of ownership and minimal bureaucracy.
8. Opportunity: Contribute to the development of regulated crypto infrastructure for the international market, working on an OTC platform, web client, mobile application, and financial integrations.