437 backend developer English-speaking jobs in Masovian Voivodeship

improvements and support Practical experience in modern end-to-end projects beyond AI/ML - frontend, backend

Warsaw Skanska Residential Development Poland is a residential developer active in Polish market since

It’s an opportunity to become a technical advisor, market developer, and sustainability enabler in a

environment, understanding of distributed systems and service-to-service communication, experience building developer-facing

Hands-on experience with AI-enabled developer tools, coding assistants, copilots, or agentic workflows

Coach and talent developer who builds trust and drives results through others.

Experience building and working with API-driven platforms and developer-facing tools.

Working at the critical intersection of high-scale administration, governance, and developer velocity

with relational databases (e.g., PostgreSQL) and object stores (e.g., AWS S3) Basic understanding of Backend

Engineer modern cloud-native solutions Design and develop enterprise-grade backend services using the

Senior Software Engineer to migrate legacy C/C++ open-source libraries to memory-safe Rust. Responsibilities include building C++ shims, Rust FFI wrappers, and driving large-scale refactoring. Requires 5+ years in Rust and C++ with expertise in unsafe code and memory safety.

Eolus is a leading renewable energy project developer in Europe, listed on Nasdaq Stockholm.

About the company Why Join Us Be part of a leading, international developer shaping sustainable cities

within JPMorganChase Commercial & Investment Bank (CIB) Treasury, you will act as a hands‑on Python developer

They will own detail-level backlog refinement, system logic mapping, and day-to-day developer support

understand problems, co-create solutions, and support cross-functional change Awareness of partner and developer

Role Purpose: We are looking for an experienced SAS Developer to take a key role in maintaining and evolving

You will value our Developer Experience and the full platform of tools and technologies that make creating

Experience building internal developer tooling or standing up a platform capability.

Developing backend services and APIs in Python 3 and FastAPI.