6888 backend developer English-speaking jobs in Poland

Tech Lead/Advisor needed for full-stack .NET development. Requires expertise in ASP.NET MVC/WebApi, cloud solutions (Azure or AWS), and strong C# skills. Must have experience with Git and team collaboration tools. Excellent communication and problem-solving skills are essential.

Develop integrated solutions for global insurance and reinsurance clients. Collaborate with teams to design and deploy a new risk management platform. Create custom applications and maintain a knowledge base of reusable solutions.

Have Proven experience building full‑stack features across mobile or web applications (frontend + backend

deliver working software with minimal guidance - Experience working across multiple layers of the stack (backend

Analyze web application setups to understand how data is captured and transmitted across frontend, backend

Access to a modern tech stack and a variety of functional areas, including: Backend: Ruby/Rails, Golang

Optimize natural language understanding and design robust prompt engineering strategies specifically for backend

Optimize natural language understanding and design robust prompt engineering strategies specifically for backend

Strong command over backend solution architecture and data engineering using tools such as Databricks

standards of data integrity, availability, and performance across the organization.Create and maintain backend

Web Technologies: A solid understanding of web application backend‑frontend processes.

Strong experience with database design, SQL, and backend services.

multiple single-page React appsTypeScript - 99% of our codebase is TypeScriptLatest .NET version for our backend

across various components in the Kafka software stack including the Clients, Streams, Broker and other backend

About The Role Work on backend platform solutions, taking full responsibility and ownership from conception

Our backend is powered by Node.js (Koa, NestJS) and MongoDB.

Collaborate with creative, UX, technical, and backend teams to refine the product through iterative feedback

Read more about some of our Technical challenges here: https://sensortower.com/blog/speeding-up-the-backend-with-graph-theory

rolesStrong hands-on development experience in Python and/or TypeScript/Node.js, with solid understanding of backend

Computer Science or quantitative field; It’s great if you have many of these: Proficiency in range of backend