3110 backend developer English-speaking jobs in Poland

We are currently looking for an exceptional Tech Lead / Senior Developer to join their Core Trading Infrastructure ... Architect & Develop: Build and maintain critical, highly robust trading algorithms and distributed backend ... from you: 10 years of commercial experience designing and building ultra-low latency, high-throughput backend

About the Opportunity & Client We are looking for an experienced Senior .NET Developer to join a newly ... Requirements 5 years of strong backend development experience with C# / .NET. ... Key Responsibilities Cloud Platform Development: Design, build, and maintain scalable backend services

We are looking for an experienced and hands-on Lead Developer with strong expertise in Java, Angular ... Strong, hands-on expertise in Java and backend application development. ... Design, develop and maintain backend services and application integrations using Java.

Integrate frontend solutions with backend services. ... For our client in the banking sector, we are looking for a Frontend Developer to join a team responsible ... Collaborate closely with UX/UI designers and backend developers.

We are looking for a Senior .NET Developer for a long-term project for a Fortune 500 company and global ... The role is approximately 80% backend and 20% frontend. ... Build and maintain backend applications and integration services using .NET and C#, following cloud-native

The project is currently actively scaling.The Full Stack Developer will work on building and improving ... the platform, developing end-to-end features, scalable backend services, and cloud-based solutions while ... higherResponsibilitiesDevelop and maintain full‑stack applications using Python and ReactBuild and maintain scalable backend

hosted on AWSMaintain high code quality through testing, reviews and documentationSupport and improve developer ... components and maintain consistency across productsWork closely with designers, product owners and backend ... environmentsStart: within 2–3 weeksDuration: long-term projectTeam: cross-functional product team (frontend, backend

on complex engineering challenges involving micro-frontends, scalability, reliability, security, and developer ... Develop and maintain backend services using Node.js and Express. ... Hands-on experience with Node.js, Express, and modern backend development. ... role in designing and developing high-performance, reusable frontend solutions while contributing to backend

Contribute platform tooling that improves developer experience and reduces infrastructure toil. ... Participate in the on‑call rotation alongside backend developers. ... Python and/or Go familiarity – backend is Python, edge services are Go. ... Keep backend engineers informed and capable — no silos, shared infrastructure ownership.

Full-Stack Developer (React + Java) will take care of the enhancement and maintenance of one or more ... We are seeking a strong Full-Stack Developer with strong front-end experience in React and Java knowledge ... in backend development tasks such as API integration, minor enhancements and bug fixes Ensure application ... on the backend to join CRD Front Office Trading department in building and maintaining large-scale enterprise ... services Work closely with UX, backend, QA and DevOps teams in a structured enterprise environment Participate

Collaborate within a newly created Scrum team, Work closely with experienced team members to deliver backend ... number of recruitment projects we undertake for our partners, we are currently looking for: Expert Java Developer ... number of recruitment projects we undertake for our partners, we are currently looking for: Expert Java Developer

Collaborate within a newly created Scrum team, Work closely with experienced team members to deliver backend ... number of recruitment projects we undertake for our partners, we are currently looking for: Expert Java Developer ... number of recruitment projects we undertake for our partners, we are currently looking for: Expert Java Developer

Backend (Microservices): Kotlin, Groovy, Python,Micronaut, Flask, Gatling, Locust, Spock, FastAPI,Pytest ... What a Python Developer will do: Create high-quality code according to Algothic’sstandards Clarify feature ... services,databases, or files; perform mathematicalcalculations; create reports We expect that a Python Developer

We are looking for an experienced React Frontend Developer to join an international development team ... The role involves working closely with Backend Developers, Test Engineers, Business Analysts and business

support responsibilities during January and February 2027 to ensure continuity while the current Frontend Developer ... including remediation of identified vulnerabilities and framework dependencies., Collaborating closely with Backend

consumer-facing mobile applications for a global audience.We are looking for an experienced Flutter Developer ... performance issues related to rendering, scrolling, rebuilds, and memory usage.Collaborate with Design and Backend

We are seeking a Senior Java Developer to join our team, bringing expertise in microservices architecture ... power cloud-based, blockchain-driven financial solutions.ResponsibilitiesLead the implementation of backend

We're looking for a Haskell Developer to join a global engineering team building high-performance software ... Work on a variety of projects, including backend services, reporting tools, user-facing applications,

Were looking for a talented Android Developer to join our team. ... Working experience with Kotlin/Java Experience in RESTful Apis to connect Android apps to backend ... Design, build and maintain high quality Android applications Collaborate with the design, product nd backend ... cycles SKILLS & EXPERIENCES YOU NEED TO GET THE JOB DONE min. 5 years of experience as a Android Developer

Role Overview As a Senior Web Developer, you will play a key role in building the next generation of ... The ideal candidate is a strong hands-on developer with a solid modern web foundation, curiosity for ... You will work at the intersection of web engineering, UX, partnering closely with designers, backend ... Build intuitive, responsive, and high-performance user interfaces that integrate with backend and AI ... Collaborate closely with UX designers, product managers, and backend/data engineers to translate business