1373 backend developer English-speaking jobs in Warsaw

Senior React Developer with AWS Join a global leader in financial technology as a Senior React Developer

You are You're an experienced fullstack engineer who knows how to move smoothly between backend and frontend ... Your impact zone Design and build scalable backend services using Node.js Develop frontend components ... reviews, documentation, and mentoring less experienced developers Key responsibilities Work on both backend

We develop backend, frontend, and mobile applications.

Strong Python backend skills (FastAPI preferred). Comfortable with async patterns. ... Develop backend APIs using Typescript and Node.js that integrate with the agentic workflow platform.

We are currently seeking a Junior Fullstack .NET Developer to join our team in Warsaw, Poland focused ... Problem solving - Team player - Communication skills We are currently seeking a Junior Fullstack .NET Developer

About the Role As a C# Developer at Veeam, you will have the opportunity to join one of several high-impact

Strong technical background in at least one major backend stack (e.g., Java, Python, Node.js) Experience

and grow in those that you want to focus on at a given stage of your career progression: frontend, backend ... Collaborate, partner & help prioritize work every day with your developer colleagues, product managers ... Create next generation distributed software systems enabled by AWS, common developer tooling and libraries

You will value our Developer Experience and the full platform of tools and technologies that make creating ... You will value our Developer Experience and the full platform of tools and technologies that make creating ... From distributed systems and data streaming to algorithmic optimization, you'll tackle the complex backend ... Allegro ecosystem; Are open to developing soft skills and exploring a full-stack mindset by learning new backend

and creating a safer online experience where your work will have a direct impact; Passionate about backend

MB-500 certification (Dynamics 365: Finance and Operations Apps Developer Associate). ... Dynamics 365 Finance & Operations (D365 F&O) Developer Warsaw, Poland We are seeking a Dynamics 365 Finance ... & Operations (D365 F&O) Developer with 3–5 years of experience designing, developing, and supporting ... The developer will work on initiatives such as optimizing accounting workflows, configuring new legal

You will work across backend services and web applications, with a stronger focus on backend and platform ... You will work across backend services and web applications, with a stronger focus on backend and platform ... Strong experience building backend services and web applications in modern production environments. ... Commercial experience with Kotlin, Java, Python, TypeScript, JavaScript, or similar backend-oriented ... Please apply via our careers page and submit your CV in English. ,[Build backend services and web-based

Nice to have Experience with Golang as an additional backend language. ... In this role, you will design and implement scalable, high-performance backend services and APIs in Java ... About the role We are looking for a Senior Java Backend Engineer to join a cross-functional team building ... Design, develop, deploy, and maintain production-ready backend APIs and microservices in Java, targeting ... Required skills and experience 5 years of professional backend software development experience with Java

Strong experience in automated testing of web applications, APIs, or backend services. ... experienced Senior Data Test Engineer to support quality assurance activities across both frontend and backend ... stable, high quality software. ,[Design, develop, and maintain automated test cases for web, API, and backend ... experienced Senior Data Test Engineer to support quality assurance activities across both frontend and backend

Experience with backend and data-science frameworks, specifically Pandas. ... Main Responsibilities: Develop and maintain backend systems with a focus on performance and reliability ... minimum B2 level; German - nice to have Summary: This role focuses on developing and maintaining robust backend

Strong experience with Kotlin or Python, or similar backend programming languages. ... Requirements: 3+ years of software development experience building backend cloud application systems. ... In this role, you will focus primarily on backend engineering: developing, testing, deploying, and monitoring ... Experience with backend frameworks such as Spring Boot, Bottle, Gunicorn, or similar JVM/Python frameworks ... Please apply via our careers page and submit your CV in English. ,[Develop and maintain scalable backend

Strong expertise in Kotlin, Python, or similar backend programming languages. ... The focus is on backend engineering, production systems, and technical leadership rather than building ... Requirements: 6+ years of software development experience building high-performance, scalable backend ... Strong experience with backend frameworks such as Spring Boot, Bottle, Gunicorn, or similar JVM/Python ... Nice to have: - Experience working on AI-powered products, model-serving systems, or backend services

The role is working within our studio: Tripledot Games Tripledot Games is a leading developer and publisher ... technologies Design and implement automated testing solutions across multiple products, covering mobile, backend

You will build and evolve high-performance backend services and APIs for modern, large-scale digital ... You will build and evolve high-performance backend services and APIs for modern, large-scale digital ... environment with a strong focus on reliability, security, and engineering quality. ,[Design and develop backend

You will build and evolve high-performance backend services and APIs for modern, large-scale digital ... You will build and evolve high-performance backend services and APIs for modern, large-scale digital ... wellbeing platform Work From Anywhere (up to 140 days/year abroad) Social events ,[Design and develop backend