3157 backend developer English-speaking jobs in Masovian Voivodeship

Our team builds and maintains a high-performance backend engine that collects, processes, and delivers ... messaging infrastructure (e.g., RabbitMQ, Kafka) Our team builds and maintains a high-performance backend

5+ years of professional experience in Java backend development. ... Are you a seasoned Java Backend Engineer with 5+ years of experience and a passion for solving complex ... of your challenge: As a Senior Engineer, you’ll play a key role in designing, building, and scaling backend

ML-based solutions to customers streamlining model operationalization and developing model inference backend

Responsibilities: Develop and maintain backend applications and APIs using Scala .

Strong knowledge of Python 3.x and backend frameworks ( FastAPI, Django, Flask ). ... Responsibilities: Develop and maintain backend applications and APIs using Python (3.x) .

Join us as a Senior Backend Engineer to lead technical direction for a mission, develop and drive best ... Join us as a Senior Backend Engineer to lead technical direction for a mission, develop and drive best ... and put the long-term interests of customers at the heart of key decisions, Collaborate across our backend

Job Title Lead JVM Software Engineer / 1 Open-ended contract Mission We are seeking experienced Backend ... the new iPayment system Collaborate with cross-functional teams to design, develop, test, and deploy backend

Full Stack XP Developer Workplace: Remote We are looking for Full stack Developer for a global shipping ... We are looking for an experienced Java + React Developer to develop an advanced Slot Allocation System ... Integral Solutions - Data & AI by 2x Software Engineer, Early Career, 2025 Start Software Engineer (L5) — Developer

leadership for investment oversight, including complex charting and data visualization Contribute to backend ... Requirements: ASAP Availability (start from 01.08.2025) Commercial experience with Python and Django (backend

: Develop and maintain reusable, high-quality frontend components Collaborate with UX/UI designers, backend ... Participate in code reviews, architecture discussions, and agile ceremonies Work with CMS editors and backend

If you're passionate about clean architecture, efficient backend development, and solid testing practices ... Functions, Azure Web Apps xUnit (unit testing), Reqnroll (BDD testing) ✅ What we're looking for: Solid backend

The role As a Principal Backend Engineer, you will be a technical cornerstone for our engineering teams ... Operations Software Engineering Manager, Health Data Foundations and Analytics Engineering Manager - Developer

Requirements 5+ years of backend/data engineering experience. ... Comfortable designing, deploying, and maintaining backend services and data flows. ... Work closely with backend, AI, and data teams to deliver robust, production-ready systems supporting

Requirements 5 years of experience in backend or data engineering roles Deep experience with one or more ... technologies to build a data lake on top of: Apache Iceberg, Trino / Presto, or ClickHouse Proficient in backend ... security analytics, observability, or threat detection systems Responsibilities Design and build scalable backend

Qualifications Strong expertise in backend technologies including C# Deep understanding of API design ... Proven experience leading backend engineering teams delivering scalable, production-grade APIs and platform ... higher in Computer Science, Engineering, or a related field, with a comprehensive understanding of backend

What You’ll Do System analysis of cross-platform products: Backend application, Wallet, 3rd party integrations

Senior Full Stack Developer (Java+Angular) Java Senior Software Engineer - Full Stack Java Backend Senior ... Proven ability to take ownership of tasks as a senior developer, ensuring timely delivery according to

business goals, ensuring everyone's on the same page and moving forward together Our Tech Stack Backend ... (100% zdalnie) Senior Full Stack Developer (Remote, Contract) Software engineer | Mid-senior | .NET ... Poland PLN10,000 - PLN16,000 11 months ago Warsaw, Mazowieckie, Poland 10 months ago Frontend Angular Developer

Join as a Senior Fullstack Developer and work on AI-based solutions! ... offer with possible to work in hybrid model (3 days per week at the office) As a Senior Fullstack Developer ... global financial institution dedicated to creating cutting-edge technology solutions that streamline the developer ... offer with possible to work in hybrid model (3 days per week at the office) As a Senior Fullstack Developer ... refactoring, dependency upgrades, and migration processes, Integrate AI-driven solutions to enhance developer

on premium-quality web products used globally by energy market analysts Close collaboration with UX, Backend ... Vercel, CircleCI) Playwright (for end-to-end testing) Python (optional, for collaboration with backend