Praca dla java backend engineer w Warszawa

XTB is a global company from the financial industry, focusing on online trading of financial instruments. We are the largest FinTech in Poland and a leader in Central and Eastern Europe, and the range of our operations covers several countries, including Asia and South America. At XTB, we focus on the development of our employees, giving them opportunities...

Talanto is hiring a backend engineer in Poland to build a multi-tenant policy gateway in a Nest.js/TypeScript environment. You will work with the client’s staff engineer and a small pod to design, implement, and operate an API gateway between a claims platform and external policy systems.Expect AWS-based hosting, Terraform-driven infra changes, and a...

AtMindboxwe connect top IT talents with technology projects for leading enterprises across Europe. Are you passionate about building scalable automated testing systems and ensuring the highest standards of quality engineering? We’re looking for aSoftware Development Engineer in Test to join our team and help shape the future of digital banking! Sounds like...

Hey Alfie is seeking an experienced Senior Backend Engineer to own backend features, build scalable REST APIs with Python and FastAPI, and shape cloud infrastructure on AWS. You will partner with the CTO and product manager to translate ideas into production, while mentoring junior developers and ensuring high-quality delivery.The role is fully remote,...

Scalosoft zaprasza do współpracy specjalistę backendowego z doświadczeniem w C# i .NET 8. Do obowiązków należa projektowanie i implementacja rozwiązań, utrzymanie komponentów, oraz integracje między systemami z użyciem SQL i Kafka.Praca hybrydowa, obecność w biurze w Warszawie lub Łodzi 2–3 razy w miesiącu, budżet projektu do 130 PLN/h +...

Tieto Deutschland GmbH is hiring a Software Engineer to join a patient engagement development team. You will work on analysis, design, development, testing, and release tasks in a hybrid setup, contributing primarily to backend services and REST/SOAP APIs.We value 3+ years of professional experience, strong .NET and SQL skills, and an ownership mindset. The...

A forward-thinking tech company is seeking a Senior Software Engineer (Go) to design high-performance backend services and maintain cloud infrastructure. The ideal candidate will have 5-10 years of backend development experience, strong skills in Go, and familiarity with cloud environments like AWS, GCP, and Azure. This position offers a unique opportunity...

Logifuture seeks a Senior .NET Framework Backend Developer to own the full software lifecycle, building and maintaining applications, systems, databases, and infrastructure. You will drive improvements, mentor teammates, draft technical docs, and deliver robust APIs.The role emphasizes on-call rotation, staying current with technologies, and collaborating...

Uncapped Ltd. in Poland offers a remote role with occasional office visits, building secure microservices for fintech systems using Java 21, Spring Boot/Cloud 3.3, GCP and Kubernetes.You will own services end-to-end from design to deploy, improve code quality through automation, and stay ahead with modern practices in a meetings-light Kanban team while...

Synerise SA in Warsaw is seeking a talented Backend Software Engineer to join their innovative team. In this role, you will develop architecture and design patterns for processing high volume data sets with a core focus on optimization and performance.Ideal candidates should be proficient in Scala, have a solid understanding of Apache Kafka and Kubernetes,...

payabl. invites a Senior Python Backend Developer ( Services ) to join our engineering team and evolve the service layer with reliable, scalable microservices.This remote-from-Poland contractor role focuses on extracting business logic from legacy systems and reimplementing it as modern Python services, with emphasis on correctness, resilience, and...

Magentateam is seeking a Senior Fullstack Developer with a backend-first focus to own the core CMP Integration Layer, building MNO translation adapters and maintaining API contracts. You will also contribute to a React management dashboard as a secondary focus within a greenfield environment.You will design scalable backend services, manage CI/CD pipelines,...

Peloton is seeking a mid level Software Engineer in Warsaw to design and develop scalable microservices powering core features across Bike, Tread, Strength, and Digital. You will contribute to search, voice, and subtitles, while collaborating with cross-functional teams to ensure high availability and performance.The role requires 3+ years of backend...

hyperexponential is building an AI-powered underwriting platform for insurers, seeking a backend engineer to own and evolve the workflow systems. You will design and implement backend services in Kotlin/Java, drive architectural decisions, and collaborate across product and client teams.AI tools will be a core part of development, with accountability for...

Sigma Software seeks a Senior Golang Backend Engineer to design, develop, and maintain high-performance backend services for real-time fraud prevention in AdTech and cybersecurity. You will work on distributed systems handling trillions of requests daily, collaborating with data scientists, researchers, and product managers in a flexible global setup.The...

Piano is looking for a senior developer to join the Customer Data Platform team in Warsaw. You will advance AI-first workflows using Claude Code and own high-throughput event pipelines, Elasticsearch queries, and sandboxed execution of customer logic.You will collaborate across teams, drive production deployments with Helm and FluxCD, and take on on-call...

voize GmbH in Warsaw, Poland is seeking a Backend Engineer to ensure data flows between voize and partner healthcare software. You will build and maintain integrations that connect our products with hospital systems.The role emphasizes Kotlin and Coroutines, REST/GraphQL API design, and end-to-end ownership of integrations. Occasional travel to Germany every...

Crystal Intelligence is seeking a Senior Python Engineer to enhance transaction monitoring systems with a fully remote role open to applicants in Europe. You will improve stability, maintain high code quality, and optimize performance on the Crystal platform.The ideal candidate has over 8 years of Python experience, strong architecture skills, and...

HelloFresh is seeking a Senior Engineer to develop and maintain microservices within the HelloTech division in Warsaw. The role involves a strong emphasis on DevOps practices and event-driven systems using technologies like Kafka and Docker.The ideal candidate will have senior-level expertise in Go or Python and be comfortable with distributed systems....

Why voize? Because we're more than just a job! At voize, we believe the greatest gift to frontline workers is time - time to care, connect, and be present. Today, that time is lost to admin work that pulls nurses away from what matters most: people. We're changing that by building the AI companion that frees nurses from admin, giving them back up to 30% of...