902 backend developer English-speaking jobs in Warsaw

As a Developer, you would play a key role in connecting business needs with technical solutions and shaping ... Collaborate closely with backend engineers to integrate with payment and financial APIs. ... medium-fidelity designs Atlassian tools: Jira, Confluence Nice-to-have skills Node.js (for tooling, simple backend

You will help develop and maintain a cloud-native API Gateway for backend systems based on the Digital ... on Microsoft Azure and supporting shared business data services.ResponsibilitiesDevelop and maintain backend

Qualifications 3+ years of professional experience as a Full Stack or Backend/Frontend Developer.

We’re looking for a hands‑on Full‑Stack AI Developer (Generalist) to join a small, fast‑moving team. ... Product‑minded and pragmatic, comfortable switching between frontend, backend, and AI workflows. ... Responsibilities Design, build, and ship AI‑powered applications from concept to production Develop backend ... GitHub profile with personal projects is highly valued Technical Skills Strong experience in Python backend

What You’ll Bring 7+ years of experience as a Backend or Full Stack Engineer. ... Own end‑to‑end development of backend components and APIs — from architecture decisions to production ... What You’ll Do Design and build robust, scalable backend services supporting high‑volume on‑chain transaction

Working closely with Backend Engineers, QA Engineers and TA Engineers.

ABOUT THE ROLE Join our dynamic team in Warsaw as a Senior Backend Engineer. ... This role offers a unique opportunity to drive solutions and actively shape our backend architecture.

Focus Build and operate backend systems that serve AI-powered features in production. ... Ideal Experiences Strong backend engineering fundamentals in production environments. ... Outcomes Backend systems run reliably at scale, handling production AI traffic with low latency and ... Role As a Backend Engineer, AI, you own the inference and orchestration layer that powers every AI interaction

You will take on meaningful backend problems, work out the right approach, ship it, and help keep it ... HIPAA-ready security practices, and mature integrations in place.Job DescriptionThis role is for a backend ... learn fast, and win as part of a team going all‑in on a hard mission.What You Will OwnBuild and ship backend ... a high quality bar through code review and design review.What Strong Performance Looks LikeYou move backend ... repetitive work, while keeping a high verification bar.What We Are Looking ForAround 3 to 5 years of backend

Senior Backend Test Automation EngineerIndustry: Technology solutions – consumer electronics, software ... up to 195 PLN/h net + VAT (full-time)We are looking for an engineer with strong experience testing backend ... integration testing across distributed systems, and familiarity with Play Framework (or other JVM‑based backend

Senior .Net Backend EngineerWork mode: fully remote or hybrid – 2 days per week from the office in Warsaw.Assignment ... Workload: full time.Summary: The Senior .Net Backend Engineer role focuses on building innovative integrations ... identifying and implementing event‑driven architecture.Key RequirementsStrong experience developing backend

As part of the Core Backend team, you'll work on the systems at the center of the business – designing ... Facebook, Palantir, Google, Amazon, McKinsey, Mastercard, and Uber.The RoleWe're looking for strong backend

What You’ll Do Design, build, and maintain scalable backend systems supporting SumUp’s Bookings product ... value to merchants (Nice to have) Familiarity with gRPC, Protobuf, or performance optimisation at the backend ... roadmap for the Sell Online platform You’ll Be Great for This Role If You have 5+ years of professional backend

Backend Ownership: Design, develop, and deploy high‑performance, scalable backend services and APIs in ... Backend Engineering: A minimum of 3 years of hands‑on experience in building and deploying scalable backend ... A deep understanding of integrating backend services with various clients (web/mobile) seamlessly. ... Microservices and Distributed Systems: Strong background in backend development, with a focus on microservices

The Role We are seeking a Staff Backend Software Engineer for our Portfolio Data Workflows team in Poland ... cross-functional team Who You Are You have extensive experience in software development, including building backend

Engineer with strong focus on Python-based backend development Strong proficiency in Python and FastAPI ... rollout of the PGM solution across 20 countries over the next two years Develop, maintain, and improve backend ... successful adoption and operation across different markets Requirements Extensive experience as a Backend ... Experience designing, developing, and maintaining backend applications in production environments Experience

Senior Backend EngineerZiflow is the leading creative collaboration platform helping agencies and brands

years of professional software development experience.Proven proficiency in Node.js and TypeScript for backend

and maintain core backend services responsible for integrating various payment methods which provide ... The primary responsibility of a Mid‑Level Backend Engineer in the Payments Offering squad is to develop ... What you’ll bring Solid backend development skills in a microservices architecture, with proficiency ... We own several critical backend services for the Payments Tribe within the Growth Alliance, and our team

and maintain core backend services responsible for integrating various Payment methods which provide ... The primary responsibility of a Mid-Level Backend Engineer in the Payments Offering squad is to develop ... We own several critical backend services for the Payments Tribe within the Growth Alliance, and our team ... What you’ll bring: The Ingredients Solid backend development skills in a microservices architecture,