2359 backend developer English-speaking jobs in Poland

Develop and maintain Android payment applications for PAX, Sunmi, and Ingenico terminals. Requires 3+ years of Android development experience with strong Java or Kotlin skills. Analyze issues and create technical documentation.

Python Developer needed for SW module development and feature implementation. Requires proficiency in Python, Kubernetes, Docker, Gitlab, and Linux. Experience in microservices and SW engineering is essential.

Architect and deploy autonomous agentic AI workflows using Python, LangGraph, and LangChain. Develop scalable back-end services, implement observability with LangSmith, and apply prompt engineering for code generation. Requires 3+ years of Python experience.

team members following Agile and DevOps practicesТребования:At least 5 years of experience as a Java Developer

design and development of complex software systems Description We are looking for an experienced .Net developer

of recruitment projects we undertake for our partners, we are currently looking for:### Full Stack Developer

while driving innovation across the trading technology stack.We're looking for a passionate Senior Java Developer

while driving innovation across the trading technology stack.We're looking for a passionate Senior Java Developer

while driving innovation across the trading technology stack.We're looking for a passionate Senior Java Developer

PositionWe are currently looking for a candidate for the position of SAP ABAP Developer for our client

Detailed description of work task to be carried out Working as an Senior Java Developer (with Apache

Full Stack Developer role requiring expertise in Angular, Node.js, JavaScript, TypeScript, HTML, and GraphQL. Experience with REST APIs, maintenance, and migration is necessary.

Katowice, PL Tornio, FI Avesta, SE Vilnius, LT About the Role We are looking for an Oracle Developer

Seeking a JavaScript Developer II to create and develop modern web applications. Responsibilities include maintaining existing code, participating in Scrum, and creating products. Requires 3 years of experience with readable code, Rest API/Web Sockets, Git, and unit tests.

Design and drive the international BI strategy, focusing on scalable architecture using Microsoft Cloud and Databricks. Implement end-to-end BI solutions, acting as a technical lead for complex data topics. Requires strong full-stack BI expertise.

Java Developer for mobile games. Design, develop, and maintain scalable services using Java, Spring Boot, and Kafka. Requires 5+ years of experience, strong OOP skills, and experience with SQL databases.

You'll become part of a well-established team of nine, including Front-end Developers, a Back-end Developer ... This is an exciting opportunity for a Software Developer who enjoys tackling complex technical challenges

We're looking for a passionate Software Developer with strong Can-Do attitude who: has strong sense of

Join us in our exciting quest to build a future home.About the role:We are looking for an RPA Developer

We are seeking a skilled SOC Security Developer to join a project aimed at enhancing security monitoring