Praca backend java – Krakow

Strong experience with TypeScript, React, and Next.js Good understanding of modern frontend architecture, component design, state management, routing, API integration, and accessible UI patterns Experience delivering full-stack features across browser and service layers Working knowledge of Java and modern Spring Boot application patterns Experience with...

Profile & Qualifications Fullstack Background: Senior-level proficiency in either Backend or Frontend, with at least solid commercial experience Backend: Strong expertise in Python, FastAPI, Pandas, Pytest, Alembic, and SQL (OracleDB). Frontend: Strong hands-on experience with Angular and modern web development standards. DevOps & Tooling: Practical...

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,...

Hands-on experience building APIs and backend services in Java . Solid experience with Spring Boot and build tools (e.g., Maven). Strong understanding of backend architecture (data access, caching, resilience, service design). Excellent knowledge of API design standards (REST, GraphQL, SOAP). Familiarity with API testing and documentation tools (Postman,...

Must have: Strong experience with Java and Spring Boot. Solid knowledge of PostgreSQL and relational databases. Understanding of software architecture and design patterns. Nice to have: Experience with Docker , Kubernetes , and containerized environments. Familiarity with AWS or other cloud platforms. Knowledge of CI/CD pipelines and DevOps practices....

8 years of enterprise application development experience 2 years of technical team leadership experience Strong expertise in Java Strong expertise in Spring Boot, Spring Data, Spring REST, Spring Security, and Spring Profiles Hands-on experience with microservices architecture Hands-on experience with micro-database architecture Experience with event-driven...

Strong experience with TypeScript, React, and Next.js Good understanding of modern frontend architecture, component design, state management, routing, API integration, and accessible UI patterns Experience delivering full-stack features across browser and service layers Working knowledge of Java and modern Spring Boot application patterns Experience with...

Type of contract: B2B contract Salary range: 90 - 125 PLN/H What will you do? You will build and improve user-facing experiences and product APIs that support modern data services. The role combines strong frontend development with practical full-stack delivery, translating product needs into accessible, reliable, and secure solutions across browser and...

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...

Type of contract: Employment contract Salary range: 10900 - 17500 PLN gross What will you do? You will build and improve user-facing experiences and product APIs that support modern data services. The role combines strong frontend development with practical full-stack delivery, translating product needs into accessible, reliable, and secure solutions...

We are seeking a Site Reliability Engineer to join a five-member engineering team in Warsaw supporting the digital payments infrastructure of a global leader in payment network technology, whose high-volume backend services power leading digital wallet platforms. In this role, you will keep business-critical payment systems available around the clock,...

8 years of enterprise application development experience 2 years of technical team leadership experience Strong expertise in Java Strong expertise in Spring Boot, Spring Data, Spring REST, Spring Security, and Spring Profiles Hands-on experience with microservices architecture Hands-on experience with micro-database architecture Experience with event-driven...

7 years of experience as a Full Stack Developer Strong experience with React JS and Java Experience working with GitHub CLI and Microsoft 365 Copilot Sound understanding of Generative AI concepts and frontier models Strong communication skills Strong domain knowledge in collateral and margin management Experience with prompt engineering Understanding of...

Experience with Pyspark or Scala development and design Experience using scheduling tools such as Airflow Knowledge of Hadoop ecosystem including Spark, Hive, YARN and ETL frameworks Strong SQL and RESTful services knowledge Experience working on Unix or Linux platforms Hands-on experience building data pipelines using Hadoop components Experience with Git,...

7 years of experience as a Full Stack Developer Strong experience with React JS and Java Experience working with GitHub CLI and Microsoft 365 Copilot Sound understanding of Generative AI concepts and frontier models Strong communication skills Strong domain knowledge in collateral and margin management Experience with prompt engineering Understanding of...

The Missions & Insights team is at the absolute core of Motorola Solutions' next-generation ecosystem. We build the intelligent, data-driven platforms that turn massive streams of real-time critical communications into actionable insights for first responders and enterprise security teams. Our mission is to empower decision-makers with the right information...

Strong hands-on experience with Java backend development , modern JDK versions, JVM fundamentals, concurrency, and performance tuning. Proven experience designing, developing, consuming, and maintaining REST and SOAP APIs , including API security, contracts, and versioning. Practical experience with cloud-native architectures and containerization tools such...

Experience with Pyspark or Scala development and design Experience using scheduling tools such as Airflow Knowledge of Hadoop ecosystem including Spark, Hive, YARN and ETL frameworks Strong SQL and RESTful services knowledge Experience working on Unix or Linux platforms Hands-on experience building data pipelines using Hadoop components Experience with Git,...

We are looking for an experienced Senior Software Engineer to join a team building automation services for a modern internal developer platform. The role focuses on designing and developing scalable solutions that automate technology controls, streamline processes, and improve the overall developer experience. 5–10 years of software engineering experience....

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...