senior java backend engineer java 21 spring boot

thyssenkrupp Group Services Gdańsk Sp. z o.o. is seeking a senior Java developer to build backend solutions using Java 11+ and Java EE, and to maintain our MES bridging SAP with local plant controls across multiple sites.You will deliver new features within Scrum and Kanban, ensure code quality through reviews and automated tests, and work with a modern...

Motorola Solutions is seeking a Software Engineer to join the Evidence and Devices Engineering team in Kraków, focusing on backend and full stack work with emphasis on the Java backend.You will contribute to building scalable, high-performance services, APIs, and backend features, while collaborating with distributed teams in an Agile environment and...

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...

Allegro's Razor team maintains the critical backend for checkout and purchase, handling massive scale with high availability. You’ll own microservices in a cloud-native stack (Java, Kotlin, Spring, MongoDB) and collaborate across PMs and engineering teams.The role supports hybrid work with flexible hours (4/1) and up to 30 days of remote work, based in...

Routescanner, the world’s leading container logistics intelligence platform, seeks an experienced backend engineer to own the design and delivery of JVM-based microservices on AWS. You’ll shape architecture, drive production readiness, and work across route optimization, data ingestion, geo-routing, and carrier data.You will collaborate with a small,...

Luxoft in Kraków, Poland, seeks a backend engineer to migrate and modernize securitization platforms on Azure. You will design cloud-native services, implement REST APIs, and drive containerized microservices with AKS, Terraform IaC, and CI/CD pipelines.The role emphasizes data consistency, performance, and regulatory compliance within a distributed...

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...

Enfint в Варшаве ищет опытного backend‑разработчика с не менее чем 5 годами коммерческого опыта в IT. Требуется высокий уровень владения Java и опыт работы с Spring Boot, Spring Cloud, JPA и SQL.Ваша работа будут включать...

EPAM Systems is seeking an experienced Senior Java Engineer to join a fast-moving engineering team delivering mission-critical software for a leading global investment bank. The project focuses on regulatory reporting systems that process and report data to regulators with strict SLAs.This role provides exposure to financial instruments across asset...

BEC is seeking a Senior Java Software Engineer to join the core banking domain. You will build and maintain backend services, design RESTful APIs, and integrate with banking systems using Kafka subscriptions and REST/SOAP APIs.You will work with analysts, architects, and QA to translate complex financial logic into maintainable code, participate in code...

Rate: 150 pln/h net + VAT, B2B Location: Hybrid (3 days per week from office in Warsaw/Gdańsk) Industry: banking Summary: The primary objective of this role is to develop, enhance, and maintain Java-based applications that manage taxation, account management, and investment processing for pension and savings products. Main Responsibilities: Design,...

Mindbox poszukuje kandydatów na stanowisko Software Security Backend Engineer (Java) w kategorii Backend/Security, w Kraków. To świetna propozycja dla osób z doświadczeniem na poziomie mid i znajomością Java, Spring Boot, Kafka. Aplikuj do i dołącz do zespołu Mindbox.

Project Description: The project is part of the Credit, Asset-backed & Securitized Products (CASP) division of an investment bank, focusing on platforms that support securitization and structured finance products. The current primary objective is migrating existing on-premise systems to a modern Microsoft Azure cloud environment, transforming legacy...

Project description The project is part of the Credit, Asset-backed & Securitized Products (CASP) division of an investment bank, focusing on platforms that support securitization and structured finance products. The current primary objective is migrating existing on‑premise systems to a modern Microsoft Azure cloud environment, transforming legacy...

The project is part of the Credit, Asset-backed & Securitized Products (CASP) division of an investment bank, focusing on platforms that support securitization and structured finance products. The current primary objective is migrating existing on-premise systems to a modern Microsoft Azure cloud environment, transforming legacy architecture into scalable,...

AgileEngine, LLC is seeking a Software Engineer to join an Integrations team building and scaling mission-critical systems that connect a public safety platform with third-party tools. You will design and build integration workflows using Java and Spring Boot, and develop REST, SOAP, and GraphQL API integrations.The role is backend-focused, emphasizes clean,...

Poszukujemy doświadczonego Backend Java Developera, który dołączy do zespołu odpowiedzialnego za rozwój i utrzymanie kluczowych aplikacji biznesowych. Jeśli masz minimum 4 lata doświadczenia w tworzeniu aplikacji backendowych w Javie, cenisz wysoką jakość kodu i dobrze odnajdujesz się w środowisku Scrum – zapraszamy do aplikowania. - Minimum...

Allegro.eu S.A. Warsaw-based team in Technology is hiring for a backend engineer focused on massive-scale systems and applied AI.You will design, build, and optimize services handling ~120 million offer events daily, integrating ML models to analyze images and offer context, while maintaining high-quality code and scalable architecture. You’ll work...

Wspólnie z naszym Partnerem Biznesowym, wiodącą firmą z branży telekomunikacyjnej, poszukujemy doświadczonego specjalisty do realizacji projektów jako Java Developer. Projekt obejmuje rozwój usług backendowych i integracji w architekturze event-driven, utrzymanie stabilności środowiska produkcyjnego oraz udział w transformacji technologicznej w...

Exavalu Solutions India Pvt Ltd | Full timeExavalu is a US based consulting firm specialized in Digital Transformation Advisory and Digital Solution Delivery for select industries like Insurance, Healthcare and Financial Services. Our Headquarters is in California, US with multiple offices across US, Canada, and delivery centres in India. We were founded by...