Jobs at Djinni

J-VERS is a programmatic job advertising agency that helps employers find the right candidates in any industry by optimizing the hiring process. Founded in 2023, the company has grown 5x, building a fully remote team that serves over 150 enterprise clients across the US and EU through AI-powered advertising technology.

We’re transforming how companies hire — and we’re just getting started. Want in? Join us as the first Product Marketing Manager and help build a product-driven company from the ground up. Work directly with leadership, shape GTM and brand.

What You’ll Be Doing:

• Develop the marketing strategy aligned with J-Vers business goals.
• Define product value proposition and messaging for target segments (ICP).
• Conduct competitor analysis and market research to shape differentiation.
• Prepare GTM plans for feature releases, create landing pages, and communication assets.
• Create full sales-enablement suite: decks, one-pagers, battlecards.
• Build the first inbound flow (lead magnets, LinkedIn/social/email campaigns, MQL → SQL).
• Support Affiliate program: landing creation, partner messaging, promotion materials.
• Gather market signals and work with Product Team on roadmap input and feature prioritisation.

You are our ideal candidate if you have:

• 4+ years in Product Marketing / B2B Marketing / SaaS.
• Experience launching GTM and building product positioning.
• Understanding of sales processes (MQL, SQL, lead scoring).
• Able to work independently in a fast-paced environment.
• English: Upper-Intermediate+.

You’ll thrive at J-Vers if you are:

• Self-motivated and comfortable with autonomy;
• Passionate about using technology to solve real problems;
• Open to collaboration and knowledge sharing;
• Results-oriented and focused on impact;
• Curious and committed to continuous learning.

Why Join Us:Work Without Limits:

• Remote-first team with no location limits;
• Flexible 8-hour workday;
• Flat structure with direct access to leadership;
• Full set of equipment provided for your comfortable work.

Get Rewarded & Supported:

• Competitive compensation with transparent salary bands;
• Medical budget after 2 months of work;
• Mental health support;
• 24 vacation days + 20 paid sick days + 4 no-doc sick days + company-wide one-week break at year-end.

Endless Opportunities to Grow:

• Personal learning budget for professional development;
• Clear growth paths from Junior to Senior;
• Work with global clients (US & EU);
• Culture of feedback, mentorship, and constant learning.

Hiring Process:

1. Intro call with a recruiter
2. Values-based interview
3. Final interview with the team
4. Reference check
5. Job offer 🎉

At J-Vers, you’re not just filling a job — you’re joining a mission. We’re building something extraordinary where technology and humanity combine to transform hiring. Flex your skills. Expand your impact. Shape the future of global hiring.

Read more about us on Happy Monday 🌟

Help us push AI further — and faster

LoopMe’s Data Science team builds production AI that powers real-time decisions for campaigns seen by hundreds of millions of people every day. We process billions of data points daily — and we don’t just re-apply old tricks. We design and deploy genuinely novel machine learning systems, from idea to prototype to production.

You’ll join a high-trust team that has a 5-star Glassdoor rating led by Leonard Newnham, where your work moves fast, ships to production, and makes measurable impact.

 What you’ll do:

• Design, build, and run large-scale ML pipelines that process terabytes of data
• Apply a mix of supervised learning, custom algorithms, and statistical modelling to real-world problems
• Ship production-grade Python code that’s clear, documented, and tested
• Work in small, agile squads (3–4 people) with DS, ML, and engineering peers
• Partner with product and engineering to take models from idea → production → impact
• Work with Google Cloud, Docker, Kafka, Spark, Airflow, ElasticSearch, ClickHouse and more

 What you bring:

• Bachelor’s degree in Computer Science, Maths, Engineering, Physics or similar (MSc/PhD a plus)
• 3+ years’ commercial Python experience
• Track record building ML pipelines that handle large-scale data
• Excellent communication skills — comfortable working across time zones
• A curious, scientific mindset — you ask “why?” and prove the answer

Bonus if you have:

• Experience with adtech or real-time bidding
• Agile / Scrum experience
• Knowledge of high-availability infrastructure (ElasticSearch, Kafka, ClickHouse)
• Airflow expertise

 About the Data Science Team:

We’re 17 ML engineers, data scientists, and data engineers, distributed across London, Poland, and Ukraine — acting as one team, not a satellite office.

What sets us apart:

• Led by an experienced Chief Data Scientist who codes, leads, and listens
• Inclusive, supportive culture where ideas are heard and people stay
• Strong values: open communication, continual innovation, fair treatment, and high standards
• Track record of publishing award-winning research in automated bidding

Don’t just take our word for it — check our Glassdoor reviews (search “Data Scientist”) for a real view of the culture.

 About LoopMe:

LoopMe was founded to close the loop on brand advertising. Our platform combines AI, mobile data, and attribution to deliver measurable brand outcomes — from purchase intent to foot traffic. Founded in 2012, we now have offices in New York, London, Chicago, LA, Dnipro, Singapore, Beijing, Dubai and more.

 What we offer:

• Competitive salary + bonus
• Billions of real-world data points to work with daily
• Flexible remote/hybrid options
• Learning budget and career growth support
• Friendly, transparent culture with strong leadership

 Hiring process:

1. Intro with Talent Partner
2. 30-min technical interview with Chief Data Scientist
3. Panel with 2 team members (technical, culture & collaboration)
4. Offer – usually within 48 hours of final round

 Are you ready to design and deploy AI systems that run at truly massive scale?

• Please note that this position is open only to candidates currently located in Ukraine
• Project Description:
  Applying to the position, you may join one of the most respected and fastest growing institutional investors in the world. Our client is a professional investment management organization that globally invests the funds to ensure long-term sustainability. The company invests in all major asset classes, including public equity, private equity, real estate, infrastructure and fixed-income instruments, and currently has offices in Toronto, London, Hong Kong, New York, São Paulo, Luxembourg and Mumbai.
  Client attracts and selects high-caliber individuals from top-tier institutions around the globe. Join our team and look forward to:
  • Diverse and inspiring colleagues and approachable leaders
  • Stimulating work in a fast-paced, intellectually challenging environment
  • Accelerated exposure and responsibility
  • Global career development opportunities
  • Being motivated every day by important social purpose and unshakable principles
  • A deeply rooted culture of Integrity, Partnership and High Performance
  If you share a passion for performance, value a collegial and collaborative culture, and approach everything with the highest integrity, here's an opportunity.
• Responsibilities:
  • Manage timelines/deliverables within the team towards the successful delivery of projects.
  • Design software solutions by interacting with portfolio managers, traders, operations staff and peers to understand requirements.
  • Develop solutions that are in line with client's technology biases, deliver efficiency and scalability, and enable new trading activities.
  • Provide knowledge transfer to team members and support staff through application demos, walkthroughs, and documentation.
• Mandatory Skills Description:
  • Experience in Python in an enterprise environment, covering the whole development life cycle
  Airflow, 
  SQL, 
  Terraform, 
  AWS (S3, Athena, EKS, EC2, Redshift, CloudWatch, Step Functions)
  React
  Node.js
  • Proficiency in CI/CD pipelines
  • Unit and integration testing
• Nice-to-Have Skills Description:
  • Capital market experience
  • Experience with BI tools, preferably QuickSight.
  • Experience with terraform for Infrastructure as code and cloud provisioning.
  • Experience with Jupyter notebooks for data analysis and reporting.
• Languages:
  • English: B2

• Project Description:

  As a Backend Developer for this project, you will have the opportunity to contribute to industry leading software for our global clients. You will work closely with cross-functional teams and regional experts to design, implement, and support solutions. This is your chance to work on a stable, long-term project with a global client, focusing on digital transformation and change management.
  
  We are looking for a Mid-Level Backend Developer with solid expertise in Node.js, RESTful API design, and cloud-native development. The ideal candidate will have hands-on experience building scalable, secure, and high-performance backend services deployed on AWS and Azure using Kubernetes. You will work closely with cross-functional teams to design, build, and maintain backend systems that power our applications.
  
  Why Join Us?
  - Exciting Opportunities: Work in squads under our customer's direction, utilizing Agile methodologies and Scrum.
  - Innovative Application: Contribute to an application that guides and documents the sales order process, aids in market analysis, and ensures competitive pricing.
  - Workflow Governance: Be part of a team that integrates digital and human approvals, ensuring seamless integration with a broader ecosystem of applications.
  - Global Exposure: Collaborate with reputed global clients, delivering top-notch solutions.
  - Career Growth: Join high-caliber project teams with front-end, back-end, and database developers, offering ample opportunities to learn, grow, and advance your career.
  
  If you have strong technical skills, effective communication abilities, and a commitment to quality, we want you on our team!
  
  Ready to make an impact? Apply now and be part of our journey to success!

• Responsibilities:

  • Design, develop, and maintain backend services and RESTful APIs using Node.js
  • Build and deploy containerized applications on Kubernetes across AWS and Azure environments
  • Collaborate with frontend, DevOps, and platform teams to define and deliver features
  • Implement and maintain CI/CD pipelines for automated build, test, and deployment
  • Ensure API performance, reliability, and security through proper design and monitoring
  • Manage and optimize cloud resources across AWS and Azure
  • Write and maintain unit, integration, and API tests to ensure code quality
  • Participate in code reviews, technical discussions, and architecture decisions
  • Troubleshoot production issues and contribute to incident resolution
  • Stay current with emerging technologies in backend development, cloud services, and container orchestration

• Mandatory Skills Description:

  Years of Experience:
  • 4-6 years in backend application development, with at least 1-2 years working with cloud services and container orchestration.
  
  Backend Development
  • Strong proficiency in Node.js (Express, Fastify, or NestJS)
  • Deep understanding of RESTful API design, versioning, and best practices
  • Experience with API authentication and authorization (OAuth2, JWT, API keys)
  • Proficiency in JavaScript and TypeScript
  • Understanding of event-driven architecture and message queues (e.g., RabbitMQ, Kafka, SQS)
  
  Cloud Services
  • Hands-on experience with AWS (EC2, S3, Lambda, SQS, SNS, IAM, CloudWatch)
  • Working knowledge of Azure (App Service, Azure Functions, Azure DevOps, AKS)
  • Understanding of cloud networking, security groups, IAM policies, and secret management
  
  Container Orchestration
  • Proficiency in Docker — building, optimizing, and managing container images
  • Hands-on experience with Kubernetes (K8s) — deployments, services, config maps, secrets, ingress, helm charts
  • Experience with managed Kubernetes services (EKS, AKS)
  
  DevOps
  • Experience with CI/CD pipelines using GitLab CI, GitHub Actions, Jenkins, or Azure DevOps
  • Familiarity with Infrastructure as Code (IaC) tools such as Terraform or Helm

• Nice-to-Have Skills Description:

  Database Management
  • Experience with SQL databases (PostgreSQL, MySQL) and NoSQL databases (MongoDB, DynamoDB, Redis)
  • Understanding of database optimization, indexing, and query performance tuning
  
  Observability and Monitoring
  • Familiarity with logging and monitoring tools (CloudWatch, Prometheus, Grafana, ELK stack)
  • Experience with distributed tracing (Jaeger, OpenTelemetry)
  
  Security
  • Understanding of API security best practices (rate limiting, input validation, CORS, HTTPS enforcement)
  • Familiarity with container security scanning and vulnerability management
  
  Testing
  • Experience with automated testing frameworks (Jest, Mocha, Supertest)
  • Understanding of integration and contract testing for APIs
  
  Soft Skills
  • Strong problem-solving abilities and attention to detail
  • Good communication and collaboration skills
  • Comfortable working in an agile development environment

• Languages:
  • English: C2 Proficient

Our Customer:
A fast-growing product startup in the Video AI domain, collaborating with global publishers and broadcasters to enhance video content experiences at scale.

Your tasks:

• Own the full development lifecycle — from requirements analysis and system design to implementation, testing, and production deployment.
• Design, build, and scale backend services, primarily using Ruby on Rails and Python.
• Develop and optimize frontend solutions using Vanilla JavaScript (ES6), CSS, and modern frameworks such as React and Vue.
• Ensure high performance of user interfaces, focusing on Core Web Vitals and overall responsiveness.
• Work with a high-scale, distributed tech stack including PostgreSQL, Kafka, Spark, Redis, Elasticsearch, InfluxDB, Celery, and Iceberg.
• Deploy, maintain, and scale applications in cloud environments, leveraging infrastructure tools like Terraform and Nomad.

Required experience and skills:

• Bachelor’s degree in Computer Science (or equivalent experience).
• 8+ years of experience in software development with strong backend expertise (proficiency in Ruby on Rails, Python, Java for building scalable backend systems).
• 4+ years of experience in frontend development using Vanilla JavaScript (ES6), HTML, CSS.
• 2+ years of experience with modern frameworks (React or Vue).
• Strong understanding of performance optimization principles, including Core Web Vitals.
• Hands-on experience designing and building high-load, distributed systems.
• Experience working with modern data and messaging technologies (Kafka, Redis, Elasticsearch etc.).
• Hands-on experience with cloud platforms (AWS or GCP) and infrastructure-as-code tools.
• Practical experience using AI-powered development tools (such as Claude, Cursor, Anti-Gravity) to improve development efficiency and code quality.
• Fluent English (Upper-Intermediate or higher) and effective communication skills.

Would be a plus:

• Experience with monetization platforms.
• Background in Big Data technologies and data-intensive systems.
• Experience in Video AI or video processing domains.

Working conditions:

• 5-day working week, 8-hour working day;
• Remote work.

CodeGeeks Solutions is a software company led by top-notch experts with over 10 years of experience in product design & software development. We are able to comprehensively cover the needs of our clients and focus on the full cycle of development.
 

Now we are looking for a Junior Manual Test Engineer in Lviv to join our team!
 

Why us?

• we trust our team, love and care that everyone feels as comfortable as possible with their work and our atmosphere
• this work will bring you pleasure: you will be able to develop and acquire new skills, and we will help you with this
• here you will find like-minded people and true friends
• here you will feel happy even with thought that Monday is tomorrow
• we are young, promising and successful :)
   

We Offer:

• 15 days of annual time off paid + company-wide New Year’s holiday in the last week of the year (5 days)
• 20 days of sick leave paid (5 — 100%, 15 — 50%)
• IT Cluster membership
• Flexible work schedule and remote work options
• Chance to make a real impact and shape the future of our company
• Education compensation
• Clear career map, continued professional development and growth opportunities
• Opportunity to work with a talented and dynamic team of experts
• Internal training and meetups
• Access to corporate learning materials
• High-level compensation and regular performance-based salary and career development reviews
• PE accounting and support
• Work in a comfortable, modern and cozy office in Lviv
• Team buildings & corporate events
• Referral program
   

Requirements:

• English level: В2+
• You have a Technical Education
• You are located in Lviv and have the opportunity to visit the office
• You have 6-12 months of commercial experience
• You have knowledge of the Fundamental Test Process
• Understanding Agile methodology
• Web applications and their testing features
• Testing techniques
• Preparing test design according to the defined test approach
• Performing defect analysis and writing detailed and helpful defect reports with expected results for resolving defect
• Creating, updating, supporting, and providing the review of requirements, user stories or other documents related to QC activities on a project
• API Testing (will be a plus)
• Experience with AI tools (will be a plus)
   

Your responsibilities:

• Participating in all aspects of the QA product lifecycle
• Designing tests
• Preparation of test cases
• Performing root cause analysis on defects in a test environment
• Estimating, prioritizing, planning, and coordinating testing activities
• Active participation in Scrum meetings, iteration planning, and feature demos
• Keeping product high-quality
   

Together we will:

• Run the project for our client to build a great product that makes an impact on the client
• Build an excellent team with a friendly atmosphere
• Support your technical and personal growth — we have a dedicated career plan for all roles in our company

If you want to develop professionally in a team of like-minded people and make this world better — we are waiting for your resume!

We are looking for a full-time Study-Level Biostatistician to support clinical trial projects in a CRO/FSP environment. The role is hands-on and focused on the development and review of study-level statistical documents, including Statistical Analysis Plans, statistical input to study documents, review of mock shells, and QC/review of Tables, Listings, and Figures.

The ideal candidate should have strong clinical trials biostatistics experience, excellent written and spoken English, and the ability to work independently with project teams, statistical programmers, and client stakeholders. Experience in ophthalmology and/or oncology therapeutic areas is strongly preferred.

Key Responsibilities

• Develop, review, and provide input into Statistical Analysis Plans.
• Provide statistical input into protocols, study-level documents, mock shells, and analysis specifications.
• Review Tables, Listings, and Figures for consistency with the protocol, SAP, mock shells, and statistical methodology.
• Perform statistical QC/review of outputs and provide clear comments to statistical programmers.
• Support definition of endpoints, analysis populations, visits/timepoints, subgroup analyses, and statistical methods.
• Work closely with statistical programmers to ensure correct implementation of planned analyses.
• Review and respond to client/sponsor comments related to statistical documents and outputs.
• Participate in study team meetings and communicate statistical topics clearly in English.
• Ensure study-level statistical deliverables are accurate, consistent, and compliant with applicable regulatory and project requirements.

Requirements

• Master’s degree in Biostatistics or Statistics is required.
• 3+ years of experience as a Biostatistician in clinical trials, preferably 5+ years.
• Hands-on experience developing and reviewing Statistical Analysis Plans.
• Strong experience with study-level statistical documents and clinical trial deliverables.
• Experience reviewing and performing QC of Tables, Listings, and Figures.
• Good understanding of clinical trial methodology, endpoints, analysis populations, and common statistical methods.
• Ability to work independently in a CRO, pharma, biotech, or FSP environment.
• Strong written and spoken English.
• Good communication skills and ability to interact with project teams and clients.
• Preferred therapeutic area experience: ophthalmology and/or oncology.
• Understanding of CDISC/ADaM and statistical programming deliverables is a plus, but programming is not the primary responsibility.

Nice to Have

• PhD in Biostatistics or Statistics.
• Ophthalmology and/or oncology experience.
• Experience in regulatory submissions.
• Experience working directly with sponsors/clients.

We are building one of the most powerful live-streaming platforms, already connecting 400K+ monthly active users through live events, interactive video chats, and real-time community experiences. Our mission is bold: bring joy, fight loneliness, and deliver safe, ad-free entertainment that keeps people coming back. This is a complex, fast-moving space, and we love it that way! So, you will join a passionate, expert team tackling everything from scaling AI-powered recommendations to launching high-impact, data-driven features that boost monetization and engagement. Every idea counts here, and every release reaches a massive global audience. 
We are now expanding into Arab countries and Europe, enhancing content quality, and rolling out new features to keep users hooked. We are among the Top 5 streaming products in the US and rank in the Top 10 worldwide. Our next milestone: break into the global Top 5, and we are moving fast to make it happen. 

About your role: You will create high-impact creatives across paid traffic channels, directly supporting the performance of our user acquisition efforts in US, UK, CA, and AU markets — one of the most competitive niches in the industry. You'll be involved from concept ideation through to final delivery, working closely with designers, the UA team, and cross-functional partners.

Here you'll enjoy full ownership and the freedom to make independent decisions in your area of responsibility, within a bureaucracy-free environment built on fast, direct communication.

 

In this role, you will

• Creative production for each traffic channel (Meta, TikTok, Snapchat, DSP, Google)
• Collaborate with designers to create visual and textual content for each platform
• Develop and brainstorm creative concepts, from initial ideation to finalized execution
• Analyze competitors' concepts to generate new ideas and provide creative inspiration for the design team
• Research user behavior and funnels, identifying factors that impact performance and success
• Close cooperate with the user acquisition team and other departments (analytics, product team, b2b)
• Analyze creative testing, including structured reporting for product & marketing teams"

It’s all about you

• At least 6 months of experience in performance marketing with a focus on app and/or web projects
• KPI-driven mindset: hands-on daily work with CPA, CTR, ROI, and a clear understanding of how to hit and optimize targets
• Experience creating detailed technical briefs for designers to ensure effective creative production
• Proven ability to conduct competitor and market research and translate insights into strategy
• Confident user of analytical and data visualization tools (GA4, Looker Studio, Power BI, Tableau)
• Strong organizational skills: backlog management, task prioritization, launch planning, and production coordination
• English level B2+

Nice to have:

• Experience in the social discovery niche
• Familiarity with AI tools for creative generation or performance analysis

What we offer

Care and support: 

• 20 paid vacation days, 15 sick days, and 6 additional days off for family events
• Up to 10 additional days off for public holidays
• 100% medical insurance coverage
• Sports and equipment reimbursement
• Team building events, corporate gifts, and stylish merch
• Financial and legal support
• Maternity recovery support allowance
• Position retention and support for those who join the Armed Forces of Ukraine
• Participation in social initiatives supporting Ukraine
   

Comfortable working environment:

• Work from our Kyiv hub or remotely with a flexible schedule 
• Modern equipment or depreciation of your own tools
   

Investment in your future:

• Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking niche
• 70% of our heads and leads have grown into their roles here – so can you!
• Performance-oriented reviews and Individual Development Plans (IDPs)
• Reimbursement for professional courses and English classes
• Corporate library, book club, and knowledge-sharing events
   

Hiring process

• Interview with HR
• Test Task
• Interview with Hiring Team
• Bar-rasing 
• Reference check
• Offer

Ready to shape the future of logistics technology? We are looking for a Middle/Senior Full Stack Developer to join our distributed team and help build a next-generation e-commerce fulfillment platform. This role offers remote flexibility with the option to work from Kraków, Poland. 

At Sigma Software, we partner with some of Europe’s most innovative companies, delivering solutions that combine cutting-edge technology with business impact. You will work in a collaborative Agile environment, leveraging modern frameworks and AI-assisted tools to create high-performance solutions. 

Why join us? You’ll be part of a long-term partnership, working on high-impact projects with access to advanced AI tools, cloud technologies, and a supportive team culture. 

CUSTOMER 

Our customer is one of Europe’s leading logistics providers, headquartered in Germany. Specializing in integrated supply chain systems and data-driven logistics optimization, they operate across multiple European markets, offering advanced warehousing, transportation, and fulfillment services. Sigma Software has been collaborating with them since 2017, delivering over 10 active projects that drive innovation and efficiency. 

PROJECT

You will contribute to the development of a next-generation e-commerce fulfillment platform designed to automate and optimize order processing, inventory management, and delivery tracking. The solution leverages modern web technologies and AI-assisted development tools to ensure scalability and efficiency. This is a chance to work on a high-impact product in a collaborative, Agile environment. 

Job Description

• Design, develop, and maintain robust software applications using TypeScript/JavaScript, Node.js, NestJS, and React.js 
• Implement new functionality from scratch, including role-based access control services, API integration services, and custom endpoints 
• Work in an AI-augmented development environment, leveraging tools like Claude Code, Cursor, and Microsoft Copilot 
• Collaborate closely with stakeholders to define, design, and deliver new features 
• Ensure code quality, security, and performance through critical evaluation of AI-generated outputs 
• Participate in SCRUM ceremonies and contribute to team planning, estimation, and retrospectives 

Qualifications

• 3+ years of commercial development experience with a focus on TypeScript/JavaScript 
• Proven expertise in Node.js, NestJS, React.js, Next.js, and REST API development 
• Experience with AI-assisted coding tools (Claude Code, Cursor, Microsoft Copilot, or similar) 
• Ability to write clear prompts for code generation and refactoring 
• Skills in evaluating AI-generated code for security and performance implications 
• Experience translating AI-generated specifications into implementation tasks 
• Proficiency in debugging and validating AI-generated code 
• Familiarity with AI-driven development frameworks (BMAD, Superpowers, GSD, spec-kit, or equivalent) 
• Experience with any cloud provider (preferably Azure) 
• Experience working in SCRUM teams 
• Fluent English 

WILL BE A PLUS

• Experience integrating and working with design systems (Tailwind, Storybook) 
• Proven experience with AI-augmented development (pet projects, certifications) 
• Participation in AI-assisted requirements breakdown and task decomposition using frameworks like spec-kit or BMAD 

PERSONAL PROFILE

• Strong communication, multitasking, and problem-solving skills 
• Analytical thinking and sound technical judgment 
• Quick grasp of existing digital products and architectures 

We're looking for a System Administrator to join our IT team. The role is open to candidates at different experience levels. What matters most is a solid foundation, a problem-solving mindset, and genuine interest in the work. 

You'll be part of a stable, supportive environment with real mentoring available and room to grow. 

Must-have requirements: 

• Windows and/or macOS administration 
• Microsoft 365 and Entra ID (users, groups, licenses) 
• Microsoft Intune (MDM — device enrollment, compliance, app deployment) 
• Networking basics (DNS, DHCP, VPN) 
• Security fundamentals (MFA, Conditional Access, endpoint protection) 
• English B2 or higher 
• Strong communication skills with the ability to explain technical issues to non-technical users 
• Analytical thinking and a structured approach to troubleshooting 
• Ability to prioritize and manage multiple tasks simultaneously 
• Proactivity and ownership 

Nice-to-have: 

• Linux server administration 
• PowerShell or Bash scripting 
• Microsoft Defender, Azure DevOps, Cloudflare 
• MDM beyond Intune (Jamf, Mosyle) 
• Automation tools (Power Automate, n8n) 

Responsibilities: 

• Resolve IT incidents and requests reported by employees 
• Manage user accounts, groups, and access in Microsoft Entra ID and M365 Admin Center 
• Enroll and maintain devices using Microsoft Intune (MDM) 
• Support access management — onboarding/offboarding, permissions, licensing 
• Monitor systems, manage backups, and troubleshoot network issues 
• Automate repetitive tasks using PowerShell and/or Bash 

Ascendix offers you:

Healthcare:

• 20 paid vacation
• 5 paid sickness

Career and professional growth:

• Remote cooperation
• Career development and professional growth
• Technical performance reviews and 360 Evaluation
• Collaboration with a personal Direct Manager, Technical leads, and mentors

Learning and Development:

• Udemy and Pluralsight subscription
• Internal knowledge-sharing opportunities

Corporate spirit:

• Online and offline events & team-buildings
• Friendly and supportive atmosphere
• Open management

Role Overview

Employment Type: Full-time

Duration: Long-term

Location: Poland (Preferably Krakow) – Remote/Hybrid options available

Compensation: Competitive (Based on experience / Rates to be discussed)

About the Role

We are seeking a highly skilled and experienced Senior Ethereum / Web3 Developer to join our core engineering team. In this role, you will delve deep into blockchain infrastructure, protocol design, and transaction mechanics. You will be responsible for building, optimizing, and maintaining robust backend and Web3 systems that interact directly with the Ethereum ecosystem at a foundational level.

If you are passionate about the inner workings of the mempool, MEV, and high-performance Web3 infrastructure, this is the perfect opportunity for you.

Key Responsibilities

Design, develop, and maintain secure, high-performance Web3 backend systems and infrastructure.

Optimize transaction execution, manage mempool interactions, and implement MEV (Maximal Extractable Value) strategies.

Interface with blockchain nodes, validators, and builders to ensure seamless protocol operations.

Integrate and interact with complex DeFi protocols, ensuring deep technical alignment with smart contract logic.

Collaborate with cross-functional teams to architect scalable, resilient, and secure blockchain solutions.

Requirements

Experience: 5+ years of professional software engineering experience.

Web3/Blockchain: Strong, proven experience with Ethereum and Web3 technologies.

Infrastructure Knowledge: Deep understanding of blockchain infrastructure, including Transactions, Mempool mechanics, MEV, and the Validator/Builder pipeline.

DeFi Expertise: Hands-on experience working with DeFi protocols.

Backend Mastery: Exceptional backend engineering skills with a focus on performance, concurrency, and security.

Nice to Have (Bonus Points)

Trading Systems: Background in Algorithmic Trading, High-Frequency Trading (HFT), Crypto Trading, or Market Making.

Languages & Smart Contracts: Proficiency in Solidity (Smart Contracts), Rust, Go, or C++.

MEV Ecosystem: Experience as a Block Builder or Searcher.

DeFi Specialization: Deep knowledge of Lending Protocols and DeFi Risk Systems.

Наш клієнт - міжнародна онлайн-гемблінгова компанія, що надає послуги ставок на спорт і казино з сильною присутністю в Латинській Америці. Їхня стратегія - це якісний, персоналізований ігровий досвід, що базується на сучасних технологіях та локалізованих сервісах. Компанія розробляє та запускає власні ігри для казино, а також керує власними платформами CRM, CS і бек-офісу.

Ідеально для тих, хто прагне:

• Контролювати операції з обробки платежів;
• Забезпечувати безперебійну роботу та доступність способів оплати;
• Виявляти, досліджувати та передавати проблеми, пов'язані з платежами, відповідним постачальникам та внутрішнім командам;
• Координувати дії зі службою підтримки клієнтів, маркетингу та іншими зацікавленими сторонами щодо запитів на обробку платежів.

Досвід, який стане твоєю перевагою:

• 3+ роки досвіду роботи Billing/Payments менеджером або на схожій посаді в онлайн-платежах;
• Впевнена робота з цифрами та обробка фінансової/транзакційної інформації;
• Досвідчений користувач Excel та іншого програмного забезпечення MS Office;
• Гарне розуміння технічної інтеграції, воронок та потоків онлайн-платежів;
• Досвід письмового та усного спілкування з іноземними клієнтами або партнерами;
• Гарне розуміння платіжних та транзакційних систем та послуг.

Ми цінуємо:

• Увага до деталей;
• Багатозадачність, швидке виконання завдань;
• Високий рівень комунікативних навичок;
• Хороший командний гравець;
• Здатність до самостійної роботи та прийняття рішень щодо розподілу платежів.

Наші клієнти пропонують конкурентні переваги для підтримки вашого професійного та особистого зростання, зокрема:

• Орієнтація на здоров’я та добробут;
• Глобальне медичне страхування;
• Можливості для зростання;
• Програми бенефітів (компенсація спорту / стоматології / психолога тощо);
• Бонуси за досягнення результатів;
• Динамічне робоче середовище.

English version:

Our client is an international online gaming company offering sports betting and casino services, with a significant presence in Latin America. Strategic focus is to deliver a high-quality, personalized gaming experience, leveraging advanced technology and localized services to cater to the preferences of the different Latin American players. Develop and launch own Casino Games, as well as operate own CRM, CS and Back-office platforms.

Perfect for those who aim to:

• Oversee payment processing operations within the assigned market;
• Ensure the smooth performance and availability of payment methods;
• Identify, investigate, and escalate payment-related issues to relevant providers and internal teams;
• Coordinate with customer support, marketing, and other stakeholders on payment processing requests and inquiries.

Experience you’ll need to bring:

• 3+ years as a billing/payments manager/specialist or similar role in online payments;
• Confident in dealing with numbers and processing of financial/transactional information;
• Advanced Excel and other MS Office software user;
• Good understanding of online payments technical integrations, funnels, flows;
• Experience in written and oral communication with foreign customers or partners;
• Good understanding of payment and transactional systems and services.

It's a perfect match if you have those personal features:

• Attention to details;
• Multitasking, quick task execution;
• High level of communication skills;
• Good team player;
• Ability to perform autonomy and take decisions on payment distribution.

Our clients offer competitive benefits to support your professional and personal growth, including: 

• Health & Wellness Focus;
• Global Medical Coverage;
• Growth Opportunities;
• Benefits Programs (compensation for the gym/stomatology/psychological service & etc.);
• Performance-Driven Rewards;
• Dynamic Work Environment.

Location: Remote
Workload: Full-time
Project: long-term

About the role

We’re looking for a Backend Developer with strong Node.js/NestJS expertise to build and scale microservices-based systems. The role involves designing high-load services, working with distributed systems, and integrating modern backend patterns including async processing and real-time communication.

Requirements

• 3+ years of experience with Node.js and NestJS
• Strong experience with PostgreSQL, MongoDB, Redis
• Solid understanding of microservices architecture
• Experience with asynchronous processing (queues, event-driven systems)
• Ability to write scalable, maintainable, and reliable code
• Experience building REST APIs, WebSockets (WS/WSS), RPC services
• Ability to read and work with existing codebases
• High attention to detail

Nice to have

• Experience with Go / Golang
• Deep knowledge of NestJS (lifecycle, DI, custom providers, dynamic modules, scopes, Async Local Storage, reflector)
• Deep knowledge of Redis (MULTI/EXEC, data structures, Lua scripts, Pub/Sub)
• Basic understanding of prompt engineering, AI agents, skills

Responsibilities

• Develop and maintain microservices
• Design and implement high-load backend systems
• Work with event-driven and async architectures
• Optimize performance and scalability
• Collaborate with cross-functional teams

About the Role
We are looking for a German-speaking VIP Manager to build strong relationships with high-value players and drive retention across European markets. The successful candidate will be responsible for delivering a personalized VIP experience, increasing player engagement, and maximizing player lifetime value.

Responsibilities

• Build and maintain relationships with VIP players.
• Provide personalized support and account management.
• Increase retention, loyalty, and repeat deposits.
• Reactivate inactive players and identify upselling opportunities.
• Monitor player behavior and performance metrics.
• Coordinate with internal departments to ensure exceptional customer experience.
• Achieve retention and revenue KPIs.

Requirements

• Fluent German (C1-C2) and English.
• Experience as a VIP Manager, Retention Manager, Account Manager, or similar customer-facing role.
• Strong communication and relationship-building skills.
• Customer-focused and sales-oriented mindset.
• Experience working with CRM systems and performance metrics.
• Ability to work independently in a remote environment.

Nice to Have

• Experience in iGaming, Gambling, Betting, Online Casino, or related industries.
• Experience managing VIP segments across multiple EU markets.

What We Offer

• Competitive salary package (Base Salary + Performance Bonus).
• Fully remote position.
• International and fast-growing environment.
• Career development opportunities.
• Long-term cooperation and growth potential.

About RiskSeal

RiskSeal is an innovative startup focused on providing cutting-edge risk management solutions in the fintech industry. Trusted by top fintech providers globally, RiskSeal is dedicated to developing highly scalable data collection and data processing tools that drive smarter and faster credit risk decisions. As a growing company, we thrive on creativity, collaboration, and the excitement of tackling new challenges.

Job Description

We are looking for a motivated and proactive DevOps Engineer to join our growing team. You will work closely with developers and other DevOps engineers to build, manage, and improve our cloud infrastructure and CI/CD processes. This is a great opportunity to gain hands-on experience with modern DevOps tools and practices while helping shape the future of our infrastructure.

Key Responsibilities and Skills

• Manage and automate cloud infrastructure using Pulumi (Python). Experience with Google Cloud Platform is preferred, but candidates with strong AWS, Azure, Oracle Cloud, or similar cloud backgrounds and willingness to switch to GCP are encouraged to apply.
• Maintain and optimize CI/CD pipelines using GitHub Actions with reusable workflows
• Deploy and manage Kubernetes workloads via GitOps using ArgoCD
• Configure and maintain VMs using Ansible for specialized workloads 
• Support multi-region infrastructure across
• Manage DBs like MySQL and Clickhouse
• Monitor infrastructure health using Prometheus, Grafana, and custom exporters
• Troubleshoot production issues and ensure system reliability across different environments
• Implement and maintain security policies using Cloud Armor and IAM
• Experience with bare-metal infrastructure and on-premises environments.
• Support developers with infrastructure-related needs and improvements

What We Offer

• A creative and dynamic work environment with minimal bureaucracy, fostering innovation and collaboration
• Support in your development as a specialist — you can always turn to anyone, and your question will never remain unanswered
• Hands-on experience with production-grade multi-region GCP infrastructure
• Opportunity to work with modern DevOps practices: IaC (Pulumi), GitOps (ArgoCD), reusable CI/CD pipelines
• Competitive salary and benefits package
• Flexibility in work hours and location