Praca senior java software engineer – Warszawa

BEC Financial Technologies in Warsaw is seeking a Senior Software Engineer (Java) to join a cross‑functional team delivering modern mortgage solutions for the Danish market. You will design, develop, and maintain backend services, APIs, and microservices.You will collaborate with Angular developers, participate in workshops, and own the full SDLC, from...

Luxoft in Warsaw is seeking a Senior Java backend developer to join a Regulatory Reporting Platform for a leading US investment bank. You will design and optimize scalable data processing pipelines using Java and Spark, handling large datasets from multiple sources to produce regulatory outputs for numerous jurisdictions.You will work with global teams...

A leading software company located in Warsaw is seeking an experienced Software Tester specializing in automation. You will set up testing frameworks, create documentation, and collaborate with analysts and developers. The ideal candidate has at least 5 years of experience, ISTQB certification, and good English skills. This role offers competitive hourly...

Tieto Tech Consulting in Warsaw, Poland, seeks a Senior Java Backend Developer to support the COM5.Mobile platform used by telecom operators. The role focuses on backend services, TM Forum APIs, and data models, collaborating with product development and value teams.You will design and implement microservices with Java 21 and Quarkus, integrate PostgreSQL...

Luxoft Poland is seeking a Senior Forward Deployed Engineer to own end-to-end delivery of complex initiatives, collaborating with development teams and client stakeholders to ship production-ready solutions in security, reliability, and modernization domains.You will modernize Java and Spring apps, containerize with Docker, enhance CI/CD pipelines, improve...

EPAM Systems in Warsaw seeks a Senior Java Software Engineer to join our Financial Services Practice. You will develop Java-based applications for major banks, implement REST APIs, and apply reactive programming to build responsive systems.You will design and maintain unit tests, integrate MongoDB, and collaborate with cross-functional teams to deliver...

Apifonica is hiring a backend engineer to design and implement Java-based services and RESTful APIs. You will build distributed, cloud-native applications using microservices, and work with Docker and Kubernetes in a DevOps-enabled environment.You will own services end-to-end, including monitoring, logging, and incident response, while applying secure...

Cavendish Professionals is seeking Software Engineers to join a highly technical engineering environment in Warsaw. You will design and build secure, enterprise-scale software platforms, with hands-on Go and Java development across distributed systems and cloud-native architectures.Responsibilities include designing and maintaining CI/CD pipelines,...

HeadHR is seeking a Senior Java Developer for a public sector project based in Warsaw. The successful candidate will develop and maintain tax-related software systems while working in a structured Agile team.The ideal candidate should have strong Java development skills, experience in large-scale projects, and must be fluent in German (C1). The role offers a...

A tech startup is seeking an experienced back-end developer to join their team in Warsaw. The ideal candidate should have over 3 years of JAVA experience and a Bachelor's degree in Computer Science. Responsibilities include application lifecycle participation, debugging, and collaborating with front-end developers. The position offers a competitive salary...

Clipbook is hiring a backend-focused engineer to join a small, high-impact team building core systems and scalable APIs for 200+ clients. You will own feature development end-to-end, from design to production, with emphasis on reliability and security.You’ll work with AI-in-production features, data pipelines, and modern cloud infrastructure, using...

To oferta skierowana do doświadczonych inżynierów danych, którzy chcą przekwalifikować się w kierunku Databricks i AI. Firma zapewnia certyfikację Databricks oraz dostęp do certyfikacji OpenAI i Anthropic, a po jej uzyskaniu możliwość pracy przy projektach Big Data. Będziesz tworzyć rozwiązania analityczne z użyciem technologii cloud-native,...

We are seeking an innovative Senior Software Engineer specializing in ML Ops for one of our clients, a globally recognized financial enterprise. This is a highly specialized role embedded within a pioneering cybersecurity initiative. You will bridge the gap between software engineering, data science, and security by developing solutions that evaluate...

Sauce Labs, Inc. in Warsaw is seeking a Senior Software Engineer to join the Virtual Device Cloud team. You will help design and operate the infrastructure that hosts remote devices at scale for automated testing across macOS, iOS, Windows and Linux environments.Join a team that values testing discipline, cross-team collaboration, and strong observability to...

Senior Full-Stack Software Engineer with OAuthFull-timeTechnology is our how. And people are our why.At Endava, we harness technology to drive meaningful change. By combining AI-native engineering, deep industry expertise and a people-centric mindset, we partner with leading organisations to solve complex business challenges and create digital products and...

Mindbox Sp. z o.o. is seeking a Senior Software Engineer to join a high‑performing engineering team responsible for building and maintaining developer‑focused tools and services, including CI/CD pipelines, GoldenPaths, and AI‑driven productivity solutions.This is a hands‑on role with significant autonomy and ownership. You’ll collaborate with other...

EPAM Systems' Financial Services Practice seeks a Senior Java Developer to join a world-class engineering team, delivering backend services and scalable APIs for a leading global investment bank.The role focuses on high-performance, data-intensive systems in a fast-paced financial environment, with collaboration across distributed teams and Agile Scrum.The...

IDT is seeking a Senior/Lead Java Software Engineer to join our team. You will collaborate with Europe/USA teams on Net2Phone Cloud Contact Center, building scalable cloud communications solutions.Responsibilities span full lifecycle, architecture, and cross-functional planning; strong Java/Spring and microservices experience are required, with opportunities...

DCG Poland is expanding its backend team in Warsaw and seeks a senior Java developer to shape scalable microservices in the payments domain.You will collaborate in a Scrum team, work with Java, Spring Framework, Spring Boot, and modern databases, while ensuring high availability and throughput.Fluency in English is required; knowledge of Kafka, Docker, and...

ING Poland ищет опытного Java-разработчика для разработки проприетарных приложений, поддерживающих общение с бизнес-клиентами. Вы будете создавать масштабируемые сервисы на Java 17+/Spring Boot, работать с REST и...