Praca full-stack architect – Krakow

We are looking for a Senior Full-stack Developer to join a team building a new product that leverages Python and FastAPI on the backend, React/TypeScript on the front end, with database management powered by PostgreSQL and OpenSearch. The product operates in a multi-cloud environment and makes heavy use of Databricks. Responsibilities Develop and maintain...

Project Description: We're looking for a senior Full-Stack Developer (Java + React) to join our client's team and help build a new AI-enabled application platform. The team works with modern AI-assisted tools such as GitHub Copilot and generative AI, and cares about clean code, agile methods and high-quality delivery. The client is in the investment banking...

Senior Full Stack Developer Location: Remote (European Time Zone), once per month in the office in Cracow Contract Type: B2B About Us: ETFBOOK is a Swiss SaaS company providing data, analytics, and custom solutions in the Exchange Traded Funds (ETFs) space. Founded in 2020, we aim to make global ETF data accessible, actionable, and valuable for...

Project description We're looking for a senior Full-Stack Developer (Java + React) to join our client's team and help build a new AI-enabled application platform. The team works with modern AI-assisted tools such as GitHub Copilot and generative AI, and cares about clean code, agile methods and high-quality delivery. The client is in the investment banking...

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...

Strong experience with TypeScript, React, and Next.js . Solid understanding of modern frontend architecture (components, routing, state management). Experience delivering full-stack features and familiarity with backend systems (Java, Spring Boot). Proficiency working with REST APIs, authentication flows, and secure coding practices. Ability to write clean,...

Proficiency in Python for backend service development. (4 years of experience) Experience in LLM application development (AI agents, tool/function calling, RAG pipelines). Knowledge of LangChain and/or LangGraph for multi-step LLM workflows. Expertise in prompt engineering for constrained generation. Strong SQL skills. Experience with RESTful API design and...

Do you want to work for one of the world's largest global banks? Want to be part its exciting digital transformation? Do you want to engineer incredible products for millions of customers? Well, our Client offers just that ☺ It's a leader in digital transformation of banking services and Cracow is one of the most important technological centers –...

Hybrid work: 3 days/week from the office in Krakow or Wroclaw Project Description: We're looking for a senior Full-Stack Developer (Java + React) to join our client's team and help build a new AI-enabled application platform. The team works with modern AI-assisted tools such as GitHub Copilot and generative AI, and cares about clean code, agile methods and...

You will join a high-performing team of software engineers, with the ability to work on the backend or full stack, but primarily working on the backend, and taking responsibility for implementing a range of new application features, as well as improving the architecture, performance, scalability, and resilience of the existing...

Project Description: We're looking for a senior Full-Stack Developer (Java + React) to join our client's team and help build a new AI-enabled application platform. The team works with modern AI-assisted tools such as GitHub Copilot and generative AI, and cares about clean code, agile methods and high-quality delivery. The client is in the investment banking...

3 years of experience as a full stack developer. Strong frontend skills in React and HTML. Experience building RESTful services with Node.js. Working knowledge of Git. Experience writing unit tests. Ability to work independently and take ownership of your work. Fluent English for daily communication. - Prestigious position at one of the world's largest...

Proven experience with React TypeScript and modern frontend architecture. Hands‐on understanding of Next.js , state management, and data‐fetching patterns. Familiarity with Java/Spring Boot backend development and API integration. Experience collaborating on cross‐functional product delivery. Understanding of observability and monitoring tools....

8 years of enterprise application development with strong Backend Engineering focus 2 years in formal technical leadership , including mentoring and technical delivery ownership Strong experience with Java and Spring ecosystem (Boot, Data, REST, Security) Hands-on experience with microservices architecture and micro-database design patterns Understanding of...

Minimum 5 years of professional experience in backend development. Solid hands‐on experience with Node.js and Web API development . Strong database design and SQL skills (preferably PostgreSQL). Demonstrated understanding of the Software Development Lifecycle (SDLC) . Excellent problem‐solving and analytical skills with keen attention to detail. Good...

We're building technology platforms that improve the engineering experience and help teams deliver safely to production. A key focus is automating compliance controls and evidence collection, reducing manual effort and allowing engineers to focus on delivering value. As part of this initiative, we're developing a Platform Control Automation service that...

6 years of experience in enterprise software development, including Agile and Waterfall environments. Strong Java development and Spring Framework expertise (including RESTful API development). Experience with system integrations and migration projects; exposure to full-stack approaches is a plus. Familiarity with DevOps practices and Agile frameworks (e.g.,...

Strong Python engineering expertise (preferably with FastAPI; Flask or Django also welcome). Proven experience delivering production‐grade REST APIs and integrations . Solid background in microservices and distributed systems design. Proficiency in Docker, Kubernetes, Linux administration, network fundamentals (TCP/IP) . Experience with CI/CD pipelines...

We are seeking a skilled Lead .NET Engineer with deep knowledge of Front-End, Cloud, and AI to join a dynamic development team supporting one of our key clients. In this role, you will design, build, and maintain secure, scalable, and reliable web applications and services using .NET, cloud, and AI technologies, in addition to solid front-end development...

We are looking for a Senior Java Full Stack Developer to design and build next-generation business applications using the latest technologies, iteratively refine user requirements, and remove ambiguity while being challenged to learn and grow professionally.ResponsibilitiesProvide technology solutions that solve business problems and strengthen our position...