Jobs Poland, Fullstack

About us:

ARRISE sets the benchmark for service delivery and excellence in the iGaming industry. Playing a key role in the success of its clients, which include Pragmatic Play, a brand relied upon by the world’s biggest online casinos for its cutting-edge products, ARRISE helps to deliver exceptional gaming experiences to millions of players worldwide.

Our global team of talented and driven professionals are shaping the future of iGaming. Headquartered in Gibraltar, we have offices spanning Canada, India, the Isle of Man, Latvia, Malta, Romania, Serbia, Bulgaria, and the UAE, and more exciting destinations on the horizon.

At ARRISE, we take pride in creating growth opportunities at all levels, constantly investing in our people while welcoming new colleagues and forging strategic partnerships that open new opportunities for success. 

To achieve this, we bet on ourselves. We know that success is a collective effort, and our team is driven by ambition, collaboration, and a shared commitment to grow and succeed—while embracing every step of the journey.

Be part of the future of iGaming with ARRISERS! See a job that excites you? Apply now, and our friendly recruitment team will connect with you soon. Your journey starts here!
 

Required skills:

· 5+ years of Java development.

· Strong programming skills with Java.

· Experience with OOP/OOD.

· Experience with clustered applications, pooling, connection management, transactions.

· Familiarity with programming specifics like asynchronous I/O, concurrency, distributed web systems and regression.

· A good foundation in algorithms, design patterns, and data structures.

· Experience with unit/functional testing.

· Strong experience with the most of Spring Framework/JDBC, databases (PostgreSQL).

· Strong experience with Javascript and React Framework.

· Maven, Git.

· Strong understanding of RDBMS concepts + SQL.
 

Will be a plus:

· Familiarity with NoSQL databases like Redis.

· Experience with Kubernetes and Nomad.

· Experience with AWS services.

· Experience with Oracle databases.

· Experience with distributed messaging systems, particularly RabbitMQ.

· Experience in application and infrastructure monitoring.

· Proven ability to troubleshoot production problems related to software applications.

· Exposure to high-load systems.

· Good spoken and written English skills.

Company offers:

· Long-term employment.

· Flexible timetable.

· Comfortable working conditions.

· Paid vacation and sick leaves.

· English lessons, gym.

· Competitive salary level.

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: 
The product is a security-aware platform built to help enterprises monitor, analyze, and optimize the digital experience across all employee devices and environments, whether on-prem, virtual, or cloud-based. It gives IT teams real-time visibility into system performance, application stability, and end-user experience, with the ability to automatically detect and remediate issues before they cause disruptions.

The product has seen strong traction globally, with significant year-over-year growth and increasing demand from large, distributed teams that need to secure and stabilize digital environments without adding complexity.

About the Role: 
We’re hiring a Senior Full-Stack Engineer to join a growing engineering team working on an industry-leading Digital Employee Experience (DEX) platform. The team develops solutions for the monitoring and control of physical endpoints, leveraging a modern stack and cloud platforms.

You’ll be part of a high-skill group tackling challenging engineering problems: scaling distributed systems, designing micro frontend architectures, and building shared libraries that impact multiple product areas. This is a chance to work with cutting-edge technologies and AI-assisted development tools while shaping the future of endpoint monitoring and workplace automation.

Key Responsibilities: 

• Contribute as a senior member of the full-stack engineering team
• Develop and enhance both frontend and backend components
• Collaborate on architectural decisions and implementation of modern design patterns
• Work with cloud services and scalable data technologies

• Improve productivity and code quality using AI-assisted development tools.

   

Required Competence and Skills:

• 5+ years of professional experience in full-stack development (both frontend and backend) using JavaScript
• 3+ years with React (single-page apps, modern frontend paradigms)
• 2+ years of hands-on experience building microservice-based applications using Node.js
• Proficiency in ECMAScript, HTML5, SCSS, Babel, Webpack
• Strong knowledge of OOP and design patterns
• Familiarity with micro frontend architecture and module federation
• Experience with cloud platforms (Azure preferred, AWS or GCP acceptable)
• Proven experience in building shared/common packages
  Solid understanding of UX/UI design principles

• Experience with AI-assisted development tools (e.g. GitHub Copilot, Cursor, Claude Code, etc.)

   

Why Us?

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

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

We invite Senior Full-Stack Developer with expertise in Go and React to join our team for remote, long-term cooperation.

To help build and scale a next-generation B2C digital platform.

Requirements:

• 3+ years of comprehensive full-stack development experience
• 2+ years experience with Go(Golang) and React.js
• Strong and confident knowledge of TypeScript.
• Proficiency in both SQL and NoSQL database systems
• Upper-Intermediate level of English proficiency (reading, writing, and speaking)
• Remote team members are expected to travel to our EU office from time to time for on-site meetings.
• Proven ability to perform autonomously and collaborate within cross-functional teams
• Responsible approach to assigned tasks and deadlines

We offer:

• Flexible work model allowing remote, on-site, or hybrid options.
• Optional relocation to our EU office, with complete legal support throughout the process.
• Paid vacation and sick leave
• Comprehensive health insurance and sports membership reimbursement
• Reimbursement of necessary transportation expenses
• Friendly and collaborative atmosphere, dedicated mentorship, various performance-based bonuses and company benefits
• Multinational team of expert software engineers
• Free participation in educational programs and professional courses

• English lessons with native-speaking instructors.

   

Further information will be shared at the interview stage.

Kindly add your Telegram username to your CV.

About the Product:
The product is a security-aware platform built to help enterprises monitor, analyze, and optimize the digital experience across all employee devices and environments, whether on-prem, virtual, or cloud-based. It gives IT teams real-time visibility into system performance, application stability, and end-user experience, with the ability to automatically detect and remediate issues before they cause disruptions.

The product has seen strong traction globally, with significant year-over-year growth and increasing demand from large, distributed teams that need to secure and stabilize digital environments without adding complexity.

About the Role:
We’re hiring a Senior Full-Stack Engineer to join a growing engineering team working on an industry-leading Digital Employee Experience (DEX) platform. The team develops solutions for the monitoring and control of physical endpoints, leveraging a modern stack and cloud platforms.

You’ll be part of a high-skill group tackling challenging engineering problems: scaling distributed systems, designing micro frontend architectures, and building shared libraries that impact multiple product areas. This is a chance to work with cutting-edge technologies and AI-assisted development tools while shaping the future of endpoint monitoring and workplace automation.

Key Responsibilities:

• Contribute as a senior member of the full-stack engineering team
• Develop and enhance both frontend and backend components
• Collaborate on architectural decisions and implementation of modern design patterns
• Work with cloud services and scalable data technologies
• Improve productivity and code quality using AI-assisted development tools.

Required Competence and Skills:

• BS/MS in Computer Science or Engineering (or equivalent experience)
• 5+ years of professional experience in full-stack development (both frontend and backend) using JavaScript
• 3+ years with React (single-page apps, modern frontend paradigms)
• 2+ years of hands-on experience building microservice-based applications using Node.js
• Proficiency in ECMAScript, HTML5, SCSS, Babel, Webpack
• Strong knowledge of OOP and design patterns
• Familiarity with micro frontend architecture and module federation
• Experience with cloud platforms (Azure preferred, AWS or GCP acceptable)
• Proven experience in building shared/common packages
  Solid understanding of UX/UI design principles
• Experience with AI-assisted development tools (e.g. GitHub Copilot, Cursor, Claude Code, etc.)

Nice to have:

• Knowledge of .NET for working with agents on Windows/Linux/Mac
• Familiarity with CI/CD pipelines and DevOps practices.

N-iX is looking for a Senior Full-stack (Python + Go) Engineer to join a collaborative product team of around 8 engineers working on a complex, high-impact software platform. You’ll contribute across the stack, building scalable backend services and intuitive frontend experiences, while actively using AI-powered development tools to improve productivity and code quality. The team follows Agile best practices, values clean architecture, ownership, and continuous improvement As an engineer you’ll help to develop the platform that serves as an enterprise next-generation endpoint protection (EPP) + endpoint detection & response (EDR) solution that runs on Windows (as well as macOS, Linux, servers, etc.). It comes as a single, unified agent designed to prevent, detect, respond, and remediate cyber threats, including malware, ransomware, fileless attacks, and advanced persistent threats — all in real time.

Responsibilities:

• Design, develop, and maintain backend services in Python and Golang.
• Collaborate closely with backend, frontend, and QA engineers in an Agile/Scrum environment.
• Write clean, testable, and well-documented code.
• Integrate and work with APIs, data stores, and third-party services.
• Use AI-assisted development tools (e.g., code assistants, testing tools, analysis tools) to improve delivery speed and quality.

• Support production systems and participate in troubleshooting when needed.

   

Requirements:

• 5+ years of experience in Software Engineering.
• Strong expertise with Python and Golang .
• Experience building full-stack applications end-to-end.
• Good understanding of RESTful APIs and client-server architecture.
• Familiarity with Agile development methodologies.
• Experience working in a team environment with shared ownership.
• Comfortable using AI tools in daily development (e.g., coding assistants, test generation, debugging, documentation support).
• Experience with AWS and GCP clouds.
• Experience with Kafka ecosystem & Redis, PostgreSQL.

N-iX is a global software development service company that helps businesses across the globe create next-generation software products. Founded in 2002, we unite 2,400+ tech-savvy professionals across 40+ countries, working on impactful projects for industry leaders and Fortune 500 companies. Our expertise spans cloud, data, AI/ML, embedded software, IoT, and more, driving digital transformation across finance, manufacturing, telecom, healthcare, and other industries. Join N-iX and become part of a team where your ideas make a real impact.

Position Overview:

We are looking for a Senior Full-Stack Engineer to join a cross-functional engineering team building core components of the AI-driven document processing platform. This position requires strong backend engineering experience with Python as well as solid front-end or full-stack proficiency with TypeScript (preferably React, Next.js, or similar frameworks).

You will work on delivering scalable APIs, microservices, data workflows, and UI components that power document automation features, internal tools, and operational dashboards. The role involves close collaboration with product, architecture, GenAI, and platform engineering teams.

This role is ideal for someone who is hands-on, highly technical, and comfortable designing, developing, and deploying production-grade systems in cloud environments (preferably Google Cloud).

Key Responsibilities:

• Design, develop, and maintain backend services using Python (FastAPI, Flask, Django, or similar frameworks).
• Build front-end components and UIs using TypeScript (React, Next.js, or similar frameworks).
• Develop and integrate REST APIs and microservices, ensuring strong performance, reliability, and observability.
• Collaborate closely with GenAI engineers to integrate AI-driven features and document-processing flows.
• Implement data processing pipelines for structured and unstructured data.
• Work with Google Cloud Platform services such as Cloud Run, Cloud Functions, Pub/Sub, and Cloud Storage.
• Contribute to the platform’s architecture, design patterns, and technical decision-making.
• Write automated tests and ensure a high level of code quality, maintainability, and security.
• Partner with product managers, designers, and QA engineers to deliver high-quality solutions on time.
• Document code, service interfaces, workflows, and architectural decisions.

Requirements:

• 6+ years of professional software engineering experience, with significant work in both backend and full-stack roles.
• Strong proficiency in Python (FastAPI, Flask, Django, or similar).
• Solid experience with TypeScript and modern front-end frameworks (React, Next.js, or similar).
• Hands-on experience designing and implementing microservices, APIs, and backend systems.
• Strong understanding of databases: relational (PostgreSQL, MySQL) and/or NoSQL (MongoDB, Firestore).
• Experience with Google Cloud Platform or other cloud providers (AWS/Azure).
• Familiarity with CI/CD pipelines, Docker, Git, and modern DevOps practices.
• Strong understanding of software engineering principles: scalability, reliability, performance, and security.
• Experience working in agile, cross-functional teams on complex products.
• Excellent communication skills and ability to work with both technical and non-technical stakeholders.

Nice to Have:

• Experience working with AI/ML or GenAI-driven systems.
• Familiarity with Vertex AI, Gemini, or integration with LLM-powered services.
• Experience with WebSockets, event-driven architectures, or Pub/Sub.
• Knowledge of authentication/authorization standards (OAuth2, JWT, IAM).
• Experience with document processing, OCR, or workflow automation.

We are a U.S.-based fintech startup operating in the investment and financial services space. Our distributed teams work across Poland, the United States, and Ireland, collaborating on technology-driven solutions related to stocks and investments.

Security, compliance, and the responsible handling of sensitive financial data are central to how we operate, as we build scalable products in a regulated environment.

Responsibilities

Design and develop full-stack applications using Java + React.
- Build REST APIs following microservice standards.
- Implement user interfaces using Nexus design system.
- Refactor legacy components for modernization and performance. - Collaborate with architects to define scalable solutions.

- Participate in code reviews, testing, and sprint ceremonies.
- Optimize application reliability, performance, and maintainability. 

Skills
- Strong in Java, Spring Boot, REST API development. (4+ years of commercial experience)
- Expertise in React, JavaScript/TypeScript, UI state management.
- Experience with Nexus design system or similar component systems. - Understanding of cloud-native development and containerization.
- Knowledge of CI/CD, Git workflows, automated testing.
- Familiarity with security best practices for APIs.
- Good understanding of system integration patterns.