Jobs at Djinni

Data Science UA is a service company with deep expertise in AI and Data Science. Our story started in 2016 with the first Data Science UA Conference in Kyiv, and since then, we’ve built one of the largest AI communities in Europe.

About the client:
Our client is a global Solution Integrator specializing in enterprise-grade infrastructure, platform engineering, and cloud-native architectures. They partner with the world's leading technology vendors to help organizations design and implement transformative solutions that drive innovation, efficiency, and growth. 
 

Office location: Vilnius (hybrid format, office visit 1-2 times a week)

About the role: 
We are looking for a Full Stack Engineer to join the CTO Office and take ownership of our client’s product development lifecycle. You'll work hand-in-hand with the CTO Office team, taking initiatives that have been validated as POCs and leading them into production-grade, scalable solutions.

Responsibilities:
- Take validated POCs from the CTO Office and architect, build, and ship them as production-ready applications
- Design and develop full-stack solutions — modern frontends paired with robust, scalable backends
- Build and deploy within the AWS ecosystem (Lambda, ECS/EKS, DynamoDB, S3, RDS, API Gateway, CDK/CloudFormation, and more)
- Own the CI/CD pipeline — design, build, and maintain automated workflows using GitHub Actions
- Design and build internal agentic AI solutions using LangChain and LangGraph — from multi-step agent orchestration to RAG pipelines and tool-augmented workflows
- Leverage Agentic IDE tools (Cursor, Claude Code, and similar) as a core part of your development workflow, applying best practices around skills, MCPs, agents, and prompt engineering to accelerate delivery
- Collaborate closely with the CTO Office, product stakeholders, sales, and pre-sales teams to translate business needs into elegant technical solutions 
- Make pragmatic technology decisions that balance speed, quality, and maintainability

Requirements:
Must-Have:
- 5+ years of professional full-stack development experience
- Frontend: Strong proficiency with Vue.js or React (with modern tooling such as Nuxt/Next.js, TypeScript, Vite, Tailwind CSS)
- A builder's mindset — you thrive on taking something from prototype to production
- Understanding of system design principles — you can architect scalable, reliable distributed systems and make sound trade-offs
- Grasp of data structures and design patterns — to work alongside your Agentic IDE you write efficient, well-structured code
- Backend: Solid experience with Python and modern frameworks — primarily FastAPI, or Django/Flask
- Hands-on experience with the AWS cloud ecosystem — you've built and deployed real workloads on AWS
- Hands-on experience building agentic AI systems with LangChain and LangGraph — including multi-agent orchestration, tool use, and RAG patterns
- Proven experience designing and maintaining CI/CD pipelines with GitHub Actions including automated PR based Code Reviews.
- Working knowledge of Agentic IDEs and AI-assisted development (Cursor, Claude Code, Windsurf, or similar) — including familiarity with skills, MCP servers, agents, and AI-driven development best practices
- Strong understanding of RESTful API design, relational and NoSQL databases, and cloud-native architecture patterns

Nice-to-Have:
- Experience with Amazon Bedrock and/or Azure AI Foundry for building and deploying AI/ML solutions on managed cloud platforms
- Experience with Infrastructure as Code (AWS CDK, Terraform, CloudFormation)
- Experience in security infrastructure (IDP, authentication protocols - S) and writing secured applications 
- Security & Identity - understanding of application security, including SSL/TLS certificates, secret management, and identity providers (IDP). Experience implementing authentication and authorization protocols such as SAML, OAuth2, and JWT.
- Foundational SRE knowledge, including monitoring, logging, and observability (e.g., CloudWatch, Prometheus, ELK) to ensure production stability and performance.
- Familiarity with FinOps concepts, cloud cost management, or multi-cloud environments
- Experience building data-driven tools — predictive models, analytics dashboards, or recommendation engines
- Exposure to Azure services alongside AWS
- Experience with containerization and orchestration (Docker, Kubernetes)
- Background in B2B SaaS or enterprise software development

About the Role

We are looking for a Cloud Platform Engineer with strong expertise in Azure Cloud and Kubernetes to join a growing engineering team. In this role, you will be responsible for designing, implementing, and supporting cloud-native platforms, workflow orchestration solutions, and event-driven architectures. You will work closely with international stakeholders to improve scalability, reliability, and automation across modern cloud environments.

Responsibilities

• Design, implement, and support cloud-native and containerized solutions
• Manage, optimize, and troubleshoot Kubernetes environments (AKS preferred)
• Develop and maintain workflow orchestration platforms and automation pipelines
• Build and support messaging and event-driven integration solutions
• Improve CI/CD processes, GitOps practices, and infrastructure automation
• Implement Infrastructure as Code (IaC) and cloud governance best practices
• Monitor platform health, performance, and reliability
• Collaborate with architects, developers, and business stakeholders in an international environment
• Contribute to platform improvements, operational excellence, and technical standards

Requirements

Must Have

• Strong hands-on experience with Kubernetes (AKS preferred)
• Solid experience with Microsoft Azure
• Experience with workflow orchestration tools such as:
  • Argo Workflows
  • Temporal
  • Apache Airflow
• Experience with messaging and integration technologies:
  • Kafka
  • Azure Service Bus
  • Azure Event Hub
• Strong Python skills for automation and scripting
• Experience with CI/CD pipelines and DevOps practices
• Knowledge of GitOps principles
• Experience with Infrastructure as Code (Terraform, Bicep, or similar)
• Experience with monitoring and observability solutions
• Understanding of cloud-native architecture and distributed systems
• Good communication skills and consultative mindset
• Upper-Intermediate English or higher

Nice to Have

• Experience with ArgoCD
• Experience with Helm
• Azure certifications
• Experience with microservices architecture
• Experience working in enterprise cloud environments
• Knowledge of security best practices in Kubernetes and Azure

What We Offer

• Opportunity to work on modern cloud-native platforms
• International and collaborative environment
• Challenging technical projects using modern technologies
• Long-term cooperation
• Remote work flexibility
• Professional growth and development opportunities

Technology Stack

Azure, AKS, Kubernetes, Python, Kafka, Azure Service Bus, Azure Event Hub, Argo Workflows, Temporal, Airflow, GitOps, CI/CD, Terraform, IaC, Monitoring & Observability

Meet the YozmaTech

YozmaTech isn’t just another tech company – we’re a global team of go-getters, innovators, and A-players helping startups and product companies scale smarter and faster.
We build dedicated development teams across 10+ countries, creating strong, long-term partnerships based on trust, transparency, and real impact.
Here, every idea counts. We value people who are proactive, open-minded, and ready to grow. If you’re passionate about building meaningful products and want to join a team that feels like family – you’ll feel right at home with us.

Our client is looking for a Senior Full Stack Engineer with strong expertise across both frontend and backend, a passion for building scalable, high-quality products, and proven ability to handle end-to-end feature development.

In this role, you’ll play a key part in advancing our web architecture, improving system performance, and enhancing the overall development standards of our platform. You’ll work on complex real-time products, helping shape fast, reliable, and user-friendly experiences.

If you enjoy solving technical challenges, working with modern technologies, and creating clean, efficient solutions — we’d love to connect.

This role offers the opportunity to make a direct impact on product quality, technical decisions, and overall platform growth within a fast-moving and collaborative environment.

Key Requirements:
🔹 5+ years of software engineering experience, with strong frontend expertise in modern JavaScript frameworks (React, Angular, Vue), TypeScript, and modern build tools (Vite, Next.js, SWC);
🔹 Proven experience improving frontend architecture and scaling web applications;
🔹 Strong understanding of TypeScript, build tools (Webpack, Vite), and browser APIs;
🔹 Solid backend fundamentals 5+ years — API design, data flow management, and building scalable systems with Python as a must-have and Node.js considered a strong plus.
🔹 Hands-on experience with AI tools such as Cursor, Claude, and ChatGPT
🔹 Product-oriented mindset with strong attention to UX, quality, and maintainability;
🔹 Strong communication skills and the ability to work effectively in cross-functional teams;
🔹 English – Upper-Intermediate or higher.

What you will do:
🔹 Drive frontend improvements by introducing better development practices, tools, and modern technologies;
🔹 Design and develop scalable, high-performance web applications using React and modern frontend frameworks;
🔹 Take ownership of features from planning to production, including technical design, implementation, and optimization;
🔹 Work closely with Product, Design, and engineering teams to deliver smooth and intuitive user experiences;
🔹 Support backend development in Python to ensure strong integration across the full product stack;
🔹 Improve development processes, code quality, testing, and overall engineering efficiency;
🔹 Focus on performance, reliability, and maintainability across the platform;

Interview stages:
🔹 HR Interview
🔹 Intro Call
🔹 Technical Interview
🔹 Final Interview
🔹 Reference Check
🔹 Offer

Why Join Us?

At YozmaTech, we’re self-starters who grow together. Every day, we tackle real challenges for real products – and have fun doing it. We work globally, think entrepreneurially, and support each other like family. We invest in your growth and care about your voice. With us, you’ll always know what you’re working on and why it matters.
From day one, you’ll get:
🔹 Direct access to clients and meaningful products;
🔹 Flexibility to work remotely or from our offices;
🔹 A-team colleagues and a zero-bureaucracy culture;
🔹 Opportunities to grow, lead, and make your mark.

After you apply

We’ll keep it respectful, clear, and personal from start to offer.
You’ll always know what project you’re joining – and how you can grow with us.

Everyone’s welcome

Diversity makes us better. We create a space where you can thrive as you are.

Ready to build something meaningful?

Let’s talk. Your next big adventure might just start here.

Softsich is an international product tech company that develops scalable B2B digital platforms. We’re on the lookout for an experienced Payment Integration Manager who’s ready to grow with us and shape high-load, data-driven solutions used by international partners.

If you are systematic and focused on business impact, this role is for you.

Requirements

• At least 1 year of experience in payment integrations, including PSPs, payment gateways, alternative payment methods, e-wallets, and card processing.
• Hands-on experience with PayAdmit as a payment orchestration platform.
• Experience configuring payment routing, cascading, and transaction processing logic.
• Strong understanding of the payment lifecycle, decline reasons, and payment performance optimization techniques.
• Experience managing payment flows in high-load systems.
• Ability to analyze key payment performance metrics, including Approval Rate (AR), conversion rates, and payment decline reasons.
• Experience working with payment dashboards and merchant panels.
• High level of responsibility, structured thinking, and attention to detail.
• Understanding of cross-functional team collaboration processes and payment workflow statuses.

Responsibilities

• Full technical setup and optimization of Approval Rate (AR) for assigned Payment Service Providers (PSPs), payment methods, and geographic regions.
• Management of payment flows through PayAdmit or an internal administration panel.
• Design and optimization of payment routing logic to improve transaction approval rates.
• Configuration and enhancement of cascading, retry, and fallback strategies.
• Conducting A/B testing of payment scenarios to improve business performance metrics.
• Monitoring transaction performance, system stability, and key payment KPIs.
• Analyzing Approval Rate declines and resolving issues at the configuration level.
• Coordinating the launch of new PSPs, payment methods, currencies, limits, and geographic markets in collaboration with technical teams and external partners.
• Working closely with Development, Finance, Compliance, and Support teams to ensure uninterrupted operation of the payment infrastructure.
• Acting as the technical owner of payment orchestration processes within the assigned area of responsibility.

Nice to Have

• Experience working with European markets.
• Experience preparing technical documentation and integration requirements.
• Experience building and maintaining relationships with payment service providers.
• Experience coordinating integrations of new PSPs and payment methods.
• Understanding of payment orchestration principles and payment route optimization in international markets.

What we offer:

– Flexible schedule and remote format or offices in Warsaw/Kyiv — you choose.

– 20 paid vacation days, sick leaves, and health insurance (UA-based, other locations in progress).

– A supportive, friendly team where knowledge-sharing is part of the culture.

– Coverage for professional events and learning.

– Birthday greetings, team buildings, and warm human connection beyond work.

– Zero joules of energy to the aggressor state, its affiliated businesses, or partners.

Send over your CV now — we’d love to get to know you better!

We're looking for a Senior with 8+ years of experience with a strong knowledge of both Ruby on Rails and Typescript.

Senior Ruby developer ASAP
(Please, send candidates only with the relevant skills specified in the white label CVs!)

FTE: Full time (40 h per week)
Timeline: 3-6 months (tbd)
Start: ASAP
English: B2
Recruitment process: a tech check with us, then an interview with the client

Requirements:
A Full-Stack Craftsman: You are an expert in Ruby on Rails and TypeScript, capable of building everything from complex dashboards and billing UIs to sleek documentation platforms.

The "DevEx" Champion: You have a natural empathy for other developers. You’ll develop deep knowledge of our platform (Pub/Sub, Chat, LiveSync) and use the product yourself to gain a first-hand understanding of the developer experience.

Comfortable with Ambiguity: You thrive in high-level vagueness. You can take a feature from a loose concept to a shipped product with minimal hand-holding, identifying problems and proposing solutions independently rather than waiting for a roadmap.

Accountable & Reliable: You take pride in high-quality, well-tested code. You meet your delivery commitments, provide realistic estimates based on technical complexity, and communicate proactively if a timeline is ever at risk.

An Owner: You monitor what you build in production and take personal ownership of quality issues. You see a feature through its entire lifecycle, from the first line of code to the final metric.

Fox Carriers is a stable logistics company with 10 years of experience in the US market. Our core values are honesty and long-term partnerships.

We are actively growing and scaling, and we are looking for energetic people who want to grow with us — both professionally and as part of a strong team.

Responsibilities:
- Manual testing of web and mobile applications (iOS/Android)
- Writing test cases, checklists, and bug reports
- Regression and functional testing
- Participation in grooming and sprint planning
- Working with Jira / Confluence for documentation

Requirements (must have):
- Understanding of testing fundamentals: types, levels, test design techniques (ECP, BVA, pairwise)
- Ability to read and analyze requirements (specifications, user stories)
- Experience with browser DevTools
- Basic knowledge of HTTP/REST API (Postman or similar tools)
- Understanding of mobile platform basics, ability to work with emulators
- Proficiency in writing clear and detailed bug reports

Nice to have:
- Basic SQL knowledge for database verification
- Familiarity with Git at a basic level
- Any automation experience (Selenium, Appium, Playwright) — even academic
- Experience working in an Agile/Scrum team

What we offer:

• Paid vacation and sick leave
• Sports compensation
• Friendly and supportive team
• Fully remote work format
• Working hours: Monday-Friday, 9:00 AM — 6:00 PM
   

Interview Process:

1. HR Interview & Live Practical Task
2. Technical Interview 
3. Interview with the Hiring Manager (Project Discussion)
4. Offer

Our Client is a cybersecurity software company that specializes in network and cloud security policy management and automation. It's platform helps large enterprises visualize, automate, and enforce consistent security policies across complex hybrid environments — including firewalls, cloud services, SASE, SD-WAN, and microsegmentation — while ensuring compliance and reducing risk.

Position Description:

This role combines excellent technical skills, driving multidisciplinary Data Science initiatives within complex, security policy management systems. The role drives the development of innovative, production-grade AI capabilities - including security AI agents and advanced machine learning models built on complex security data. Original thinking, deep technical rigor, intellectual agility, and exceptional problem-solving are essential.

Key Responsibilities

• Develop Data Science initiatives from problem definition through validation, production deployment, and monitoring of AI systems
• Develop security-focused AI agents and reasoning systems
• Develop advanced ML capabilities, including predictive modeling, anomaly detection, and classification
• Adapt and fine-tune LLM technologies for domain-specific security use cases

Position Requirements:

• M.Sc. in Data Science, Computer Science, Statistics, Mathematics, or a related quantitative discipline
• At least 3 years of hands-on Data Science experience, delivering end-to-end solutions into production environments
• Deep understanding of machine learning theory and practical model behavior
• Expertise in Python and the modern Data Science ecosystem (NumPy, Pandas, Scikit-learn, PyTorch / TensorFlow, etc.)
• Solid understanding of LLM architectures and fine-tuning methodologies
• Excellent interpersonal skills and proven ability to work within multidisciplinary product teams
• Strong analytical rigor and structured problem-solving capability

We are looking for a strong Senior QA Engineer with solid experience in crypto processing and blockchain-based payment systems. Experience with major networks such as Solana, Tron, Litecoin, and Bitcoin is very important. The ideal candidate should have hands-on experience testing complex web applications, crypto transaction flows, wallet operations, deposits, withdrawals, confirmations, edge cases, API integrations, and business-critical financial systems. Strong knowledge of OpenAPI testing, webhook validation, API requests/responses, error handling, data consistency, and integration testing is required. The role involves ensuring the quality, reliability, and security of crypto processing workflows across multiple blockchain networks, including testing transaction statuses, reconciliation logic, reporting, analytics, and multi-tenant role-based access scenarios.

We are looking for an experienced Head of Media Buying to join our team. In this role, you will lead and scale performance marketing operations across Tier-1 European markets, driving user acquisition, profitability, and sustainable growth. If you are passionate about performance marketing, data-driven decision-making, and building high-performing teams, we would love to hear from you!

HOW YOU WILL MAKE AN IMPACT

• You will develop and execute media buying strategies across Tier-1 European markets;
• You will manage and optimize multi-channel paid acquisition campaigns across Meta Ads, Google Ads, TikTok Ads, Programmatic/DSP, Push & In-App traffic, Influencer partnerships, ASA, and UAC;
• You will own media planning, budget allocation, and performance forecasting;
• You will manage monthly advertising budgets ranging from €300k to €1M+ while ensuring profitability and sustainable growth;
• You will monitor and improve key performance metrics such as CAC, CPA, CPI, CPL, ROAS, ROI, ROMI, LTV, Payback Period, and Contribution Margin;
• You will lead and mentor cross-functional performance teams, including Media Buyers, Creative Strategists, Designers, Analysts, and Tracking Specialists;
• You will collaborate closely with product, CRM, analytics, and creative teams to maximize acquisition and retention performance;
• You will build scalable acquisition processes, operational frameworks, and reporting structures;
• You will ensure accurate attribution, tracking, and data collection across all acquisition channels;
• You will continuously test, analyze, and optimize campaigns to identify new growth opportunities.

WHAT WILL HELP YOU SUCCEED IN THE ROLE

• 5+ years of experience in Performance Marketing or Media Buying;
• 2+ years of experience in a leadership position such as Head of Media Buying, Performance Lead, or Acquisition Lead;
• Proven experience working with Tier-1 European markets;
• Hands-on experience managing advertising budgets of €300k–€1M+ per month;
• Strong track record of scaling profitable acquisition campaigns;
• Experience in highly competitive industries such as iGaming and Sports Betting;
• Deep understanding of acquisition economics, including CAC, CPA, CPI, CPL, ROAS, ROI, ROMI, LTV, Payback Period, Contribution Margin, Revenue Attribution, Incrementality, Cohort Analysis, Funnel Optimization, and Retention Impact;
• Strong analytical mindset with the ability to make data-driven decisions;
• Excellent leadership, communication, and stakeholder management skills;
• Upper-Intermediate English level or higher.

REQUIRED SKILLS

• AppsFlyer, Adjust, Kochava, or Singular;
• Google Analytics 4 (GA4);
• Google Tag Manager (GTM);
• Meta Conversion API (CAPI);
• Server-side tracking;
• Postback integrations;
• Attribution and analytics systems.

WILL BE A PLUS

• Experience launching and scaling acquisition strategies for mobile-first products;
• Experience working with influencer and performance partnership channels;
• Strong understanding of marketing automation and CRM-driven acquisition initiatives;
• Experience building and scaling international performance teams;
• Knowledge of advanced experimentation frameworks and incrementality testing.

HOW WE WILL KEEP YOU SMILING

• Flexible working hours and a remote work setup, so you can plan work around your life and not your life around work!
• Unlimited vacation days and paid sick leave—because your rest matters.
• A competitive compensation that truly reflects your skills and expertise.
• Employee referral bonus and gifts to celebrate your special occasions.
• 50% financial support for learning expenses to supercharge your professional growth!
• A positive atmosphere where you always feel respected and truly belong.
• Inspirational team-building activities that turn colleagues into best friends.
• Wellness benefits: We’ll support your sports passions, from yoga classes to gym memberships.
• Co-working space reimbursement to save your nerves from always working from home :)

Join the Data Engineering team to contribute to the ongoing maintenance and improvement of an internal assistant that uses hosted APIs and internal knowledge sources, with a focus on reliability, retrieval quality, and operational excellence.

• Responsibilities:

  • Maintain and enhance ingestion/enrichment pipelines for internal content (parsing/extraction, normalization, metadata enrichment, deduplication, and quality monitoring)
  • Implement and maintain access-aware retrieval by propagating/enforcing document permissions through indexing and query-time filters, including audit logs and validation tests
  • Improve source attribution so responses reliably point to the correct documents and sections in a consistent format.
  • Extend and harden tool/workflow execution and automations (scheduled/trigger-based), including retries, timeouts, idempotency, concurrency controls, and run history
  • Operate the platform in production: observability (logs/metrics/tracing), alerting, incident support, performance tuning, and cost controls, plus runbooks and handover documentation

• Mandatory Skills Description:

  8+ years of hands-on experience in Data Science and 2+ years in Machine Learning, with a proven track record, demonstrated through a robust portfolio of projects.
  Strong programming skills in languages such as Python and familiarity building ETL pipelines.
  Expertise in SQL and experience with both relational (preferably Postgres) and NoSQL databases
  Solid experience with OpenSearch
  Familiarity with AWS cloud platform and its services.
  Experience with version control systems (e.g., Git) and CI/CD pipelines.
  Ability to build scalable infrastructure to embed and search very large number of documents.
  Ability to move fast in an environment where things are sometimes loosely defined and may have competing priorities or deadlines.
  Expertise in ML
  Strong English skills (B2 and higher)
  Strong verbal and written communication skills.
  Ability to work independently and collaborate in a group.

• Nice-to-Have Skills Description:

  Agile certification
  Oracle/Microsoft attestations and certifications
  Domain knowledge - Trading and Capital Markets

The DataOS team at AppsFlyer is building and operating a reliable, high-scale data platform that powers analytics and product capabilities across the company.
We process more than 150 billion events per day and manage petabyte-scale historical data. Our team owns much more than a traditional “data lake” — including schema management, ETL pipelines, and interfaces to and from storage.

If you’re excited by scale, ownership, and building production-grade data systems, we’d love to meet you.

Tech stack highlights

Key technologies include:

• Processing and streaming: Spark, Kafka
• Data lake and formats: S3, Parquet, Delta Lake, Iceberg, Hadoop, Hive
• Cloud and compute: AWS, EMR/EMR Serverless, Athena
• Analytics and data platforms: BigQuery, BigLake, Aerospike, AWS Glue, Databricks Delta Engine
• Languages: Scala, Python (team focus), plus a broader polyglot engineering environment across AppsFlyer

What you’ll do:

• Design, build, and evolve large-scale data pipelines from raw ingestion to production-ready datasets.
• Develop and maintain Spark/Scala-based data processing workflows for both batch and streaming use cases.
• Own data platform reliability, quality, and performance in production environments.
• Collaborate with engineers, product owners, and stakeholders to define and deliver robust data solutions.
• Help shape engineering standards and operational practices as the DataOS team grows.

What You Bring:

• 3+ years of software engineering experience, with strong hands-on Scala and/or Java development.
• Strong Java core fundamentals.
• Proven experience with Spark and Kafka in production environments.
• Experience with the Hadoop ecosystem and distributed data processing platforms (AWS, GCP, Azure, CDP, MapR, or similar).
• Hands-on AWS experience, especially with S3 and EMR/EMR Serverless (Athena is a strong advantage).
• Experience building and operating cloud-based, high-scale distributed systems.
• Strong analytical and interpersonal skills, with the ability to work effectively across engineering and business teams.
• Professional spoken and written English.

Bonus Points:

• Knowledge of Scala is a plus.
• Experience with AWS authentication/authorization and cloud security fundamentals.
• Experience with CI/CD pipelines and tooling.
• Experience with DevOps and infrastructure-as-code tools (e.g., Terraform).
• Experience in SaaS product companies.
• Referred by an AppsFlyer employee.

Benefits:

• Health Insurance
• Paid Unlimited Vacation Days + all national holidays + additional recharge days
• Meals Reimbursement
• Sport Reimbursement
• Breakfast in the office
• Mental health program
• Team building, happy hours, and other team activities
• Paid sick days
• Snacks, fruits & ice cold beer
• All new team members are provided with a brand-new Mac laptop with 2 monitors and a Starter package

We are looking for a Middle or Senior DevOps Engineer to join our team. We are currently managing a dual infrastructure environment that includes both microservices and modular monolith architectures.

Your primary focus will be ensuring the stability of our current production engine while simultaneously preparing and configuring the infrastructure for our new system. This role is about maintaining high operational standards, ensuring everything is "trackable", and taking full ownership of our security maintenance and monitoring ecosystems. We value steady execution and a proactive approach to reducing manual work.

Key responsibilities

• Infrastructure Management:
  • Provision and configure the production and staging environments.
  • Manage and support the existing production infrastructure to ensure consistent performance.
• Security Ownership:
  • Take full responsibility for the security lifecycle across all environments.
  • Manage and execute regular security updates, OS patching, and system hardening.
  • Implement and manage API security measures, ensuring robust protection against API-specific vulnerabilities and DDoS attacks.
  • Oversee the overall security posture to ensure our infrastructure remains protected and compliant.
• Observability & Monitoring:
  • Configure alerts, health checks and dashboards to maintain high visibility into the health of infrastructure.
  • Regularly review of monitoring tickets as well as escalate of outstanding issues to development team.
• Automation & Efficiency:
  • Identify repetitive manual processes and eliminate them through automation (Bash/Python, CloudFormation).
  • Maintain and optimize the CI/CD build processes for mobile applications (specifically iOS and Android) to ensure reliable app delivery.
  • Ensure all infrastructure changes are documented, reproducible, and cost-efficient.
• Inter-team Collaboration:
  • Support the development teams with infrastructure needs and deployment workflows.
  • Escalation of outstanding monitoring alarms to development teams
  • Collaboration with dev teams to implement complex changes
  • Prioritizing planned tasks vs. monitoring tickets (backlog management)

Requirements

• Experience: 4-6+ years in DevOps/SRE (Strong Middle/Senior).
• AWS Expertise: Practical knowledge of VPC, RDS (MySQL), and compute services (ECS/Beanstalk).
• Tools: Proficiency with Docker, Git, and CloudFormation.
• Automation: Strong scripting skills (Bash/Python) to reduce manual work.
• Security: A broad understanding of infrastructure security, with a specific focus on API security.
• Operational Discipline: A drive to keep environments clean, documented, and reliable.
• AI-Assisted Engineering: Experience using AI tools (Claude Code, Codex CLI, Antigravity, GitHub Copilot) to accelerate scripting, IaC development, and documentation.
• Proactivity: High energy and a "self-starter" mindset - you don't wait for a Jira ticket to fix a visible infrastructure bottleneck.
• Strong communication skills
• Language: Upper-Intermediate English.

Technical Stack

• Cloud & IaC: AWS (EC2, VPC, ASG, ALB, Lambda, S3, CloudFront), CloudFormation, Docker
• Main Platforms: PHP (Magento), JavaScript, Python
• Databases: RDS (MySQL), ElastiCache (Redis), MongoDB
• Observability: AWS CloudWatch, Route53 health checks, Graylog
• Process: GitHub, GitHub Actions, JIRA/Confluence.

What We Offer

• 100% Remote.
• Ownership: Direct influence on the observability and security/compliance of the project.
• Direct Access: transparent team collaboration
• Stability: Competitive salary with long-term growth potential.

Who we are:

Adaptiq is a technology hub specializing in building, scaling, and supporting R&D teams for high-end, fast-growing product companies in a wide range of industries. 

About the Product: 
Over the past few years Coro has received $175M in funding and is one of the fastest growing Cybersecurity companies in the world. The funding is primarily being used to enhance the Coro Cybersecurity SaaS platform and for additional headcount growth, as Coro continues to expand globally.   

Coro started in Tel-Aviv, Israel and is also headquartered in Chicago, IL with additional offices in New York, London, and remotely across the globe. As a global organization, Coro gives you the ability to work with people and teammates from around the world. 

Coro’s AI enabled Modular Cybersecurity Platform is the only one in the industry specifically designed to provide Mid-Market customers with scalable and affordable “enterprise grade” protection for all of their priority threat vectors. 

About the Role: 

This is a hands-on leadership role for a Backend Team Lead who will guide a team of backend engineers while staying directly involved in coding, architecture, and delivery. You will work on core backend systems behind Coro’s cybersecurity platform, building and scaling high-load services that process large volumes of security and telemetry data in real time.

These systems are responsible for collecting, processing, and analyzing data from multiple sources, including endpoints, cloud environments, and product integrations. They support critical product capabilities such as threat detection, security analytics, anomaly identification, and automated response workflows, making this a mission-critical leadership role at the core of Coro’s product.

If you are looking for a role where you can combine leadership with technical ownership, shape team culture, and build highly scalable backend services for a fast-growing global cybersecurity platform, this is the role for you

Key Responsibilities: 

• Lead a team of highly skilled and passionate developers
• Partner with the Product Manager to build the road-map for the team
• Understand the team objectives and key results and make sure that the team are on the path to achieving them
• Participate in making decisions on the architecture and technologies
• Conduct the team ceremonies: Daily stand-ups, sprint planning and retro meetings
• Help create and enforce strong engineering standards, code quality, and best Engineering practices
• Take an active part in the implementation (hands-on) of the team's various services and features

• Help your team members grow by mentoring them, building their growth plan with them and enable them opportunities to implement it.

   

Required Competence and Skills:

• 6+ years of backend/server-side development with Java
• 2+ years of proven experience leading an engineering team 
• Strong hands-on experience with Spring Framework and MongoDB
• Deep understanding of multithreading and concurrency
• Solid knowledge of OOP concepts and design patterns
• Proven experience with microservices architecture
• Experience working with high-load backend systems
• Proficiency in cloud-native environments (preferably AWS)

Nice to have:

• Experience with Redis and RabbitMQ
• Experience with Elasticsearch/OpenSearch 
• Familiarity with Docker / Kubernetes
• Experience in Cybersecurity domain 

Why Us?

- We provide 20 days of vacation leave per calendar year (plus official national holidays of a country you are based in).

- We provide full accounting and legal support in all countries we operate.

- We utilize a fully remote work model with a powerful workstation and co-working space in case you need it.

- We offer a highly competitive package with yearly performance and compensation reviews.

PayAdmit is an international FinTech company specializing in payment orchestration and comprehensive B2B payment solutions

We are looking for a proactive and results-driven Account Manager to strengthen client relationships and support business growth

Requirements:

• At least 3 months of experience in B2B sales (preferably in FinTech)

• English proficiency at B2 level or higher

• Experience in direct/active sales

• Experience in preparing commercial proposals

• Strong planning and objection-handling skills

• Experience working with service contracts

• Analytical mindset with forecasting ability

• Ability to process large volumes of data with strong attention to detail

Preferred Qualifications:

• Background in FinTech, IT, Cryptocurrency, or Blockchain

• Experience in selling payment solutions or working with payment systems

• Previous experience as an Account Manager

Key Responsibilities:

• Build and maintain long-term relationships with clients and partners

• Identify client needs and ensure high levels of satisfaction

• Conduct market and competitor research to identify growth opportunities

• Execute and follow through on sales strategies

• Prepare and manage documentation (contracts, invoices, commercial proposals)

• Monitor and analyze client portfolios and performance metrics

• Collaborate with internal teams to ensure high service quality

• Participate in industry-related events and conferences (online and offline)

Working Conditions:

• Full-time position: Monday–Friday, 10:00 AM – 7:00 PM

• Remote work format

• Access to all necessary tools for productive workflow

• Company-sponsored professional development (courses, seminars, new projects)

• Corporate English learning support

• Opportunities for career growth across different projects and roles

Looking to take your .NET expertise to the next level while working on high-impact FinTech solutions? This role offers the chance to contribute to scalable, cloud-native systems that empower thousands of businesses worldwide.
We’re seeking a Senior .NET Developer to join our team, collaborating with talented engineers, product managers, and designers to deliver innovative financial technology.
At Sigma Software, we work with some of the most forward-thinking companies in the industry. This opportunity will let you grow professionally while making a tangible difference in a fast-paced, regulated environment.

CUSTOMER

Our customer is a leading FinTech company providing embedded financing solutions for platforms and marketplaces. Their mission is to enable businesses to offer flexible credit products to customers, helping SMEs access funding quickly and efficiently.
The customer is recognized for innovation in embedded finance, serving thousands of businesses globally and partnering with major platforms. They operate in a regulated environment with a strong focus on scalability, performance, and security.

PROJECT

The project involves enhancing and expanding customer’s embedded finance platform, which integrates directly into partner services to deliver fast, flexible funding to SMEs. You’ll work on a modern tech stack, building features that improve customer and partner experiences while ensuring reliability in production.
Key Technologies: C#, .NET Core, Angular 18, AWS, CI/CD, Docker/Kubernetes, Kafka/RabbitMQ, Datadog, relational & NoSQL databases

Job Description

• Design, build, and deliver features and projects across C#, .NET Core, and Angular stack
• Write clean, maintainable, and well-tested code (unit/integration/e2e)
• Take ownership of features from requirements breakdown to deployment
• Deploy and monitor services in AWS cloud-native environments
• Handle production issues and incidents with accountability
• Collaborate with Product, Design, and Engineering teams in Agile practices
• Contribute to continuous improvement of systems and processes

Qualifications

• 5+ years of experience in software development with strong OOP and system design skills
• Solid hands-on experience with .NET (C#) and Angular
• Understanding of software testing concepts and practices
• Expertise in cloud-native and DevOps practices (CI/CD, automation, monitoring)
• Experience with relational and NoSQL databases
• Knowledge of non-functional requirements (performance, security, availability)
• Proven experience in FinTech, payments, banking, or regulated financial environments
• Upper-Intermediate English level or higher

WILL BE A PLUS

• Experience with Docker/Kubernetes
• Familiarity with event-driven architectures (Kafka, RabbitMQ)
• Proficiency with observability tools (Datadog or similar)
• Knowledge of domain-driven design (DDD) and complex domain modeling

PERSONAL PROFILE

• Growth mindset, curiosity, and proactivity
• Strong problem-solving skills balancing complexity and simplicity
• Feedback-oriented, open to giving and receiving constructive input
• Ownership & accountability in delivering commitments
• Team player with strong collaboration skills
• Adaptability to changing priorities
• Excellent communication skills across disciplines