backend engineer nodejs

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,...

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...

MIKRONIKA Sp. z o.o. we Wrocławiu poszukuje doświadczonego Java Developera do projektowania i implementacji logiki biznesowej oraz interfejsów użytkownika.Wymagane jest min. 4–5 lat doświadczenia w Javie i dobrej znajomości React oraz architektury systemów IT. Oczekujemy znajomości Spring i Hibernate/JPA, doświadczenia w projektowaniu aplikacji...

Manufacturo Inc. is seeking a Backend Software Engineer to join our cloud-based SaaS platform. You will own core backend features, design RESTful APIs, and model business logic for production, planning, inventory, quality and shopfloor operations.The role emphasizes independent work, technical ownership, and collaboration with cross-functional teams in a...

RTB House is a leading adtech company with a global reach and a demand-side platform powered by AI. Our Poland team focuses on connecting internal services and data pipelines to improve bidding efficiency across numerous integrations.We offer a fully remote, flexible collaboration model and access to cutting-edge tools to help engineers scale systems and...

Senior Java Developer Location: PolandMethodology: ScrumIndustry: Automotive (global premium brand)Collaboration: Long‑term projectSalary:130-170 zl/h Role description You will join a team responsible for developing and modernizing backend systems and implementing cloud technologies. Your main tasks will include: creating data import processes to...

The Stepstone Group's Apply domain is seeking a Senior Software Engineer II to own complex backend challenges built primarily on .NET Core. This is a senior individual contributor role where you will act as a hands-on technical anchor, shaping architectural solutions while building them together with the team.Working in the Apply domain, you will solve...

Jacobs in Krakow is seeking a Backend Developer to join our Digital & Data Hub. You will design and implement scalable Java services, REST APIs, and robust backend components across industry projects.The role emphasizes collaboration across Consumer and Manufacturing sectors and international projects. The position offers a hybrid work model and a...

A global communication solutions provider based in Kraków is seeking a Senior Backend Engineer to design and implement scalable systems that power real-time connections. You will tackle complex technical challenges using Elixir/Erlang and help shape the future of communication technology. Ideal candidates will have 6+ years of backend experience and 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...

A leading technology firm is seeking a Senior Backend Engineer to build and maintain high-impact backend systems. Ideal candidates will have over 5 years of experience with TypeScript and Node.js. This remote role offers competitive compensation ranging from $190K to $220K, along with generous benefits including equity packages and comprehensive health...

Intrepid Ventures is hiring a Back End Software Engineer proficient in Golang and C++ to design and build scalable blockchain-oriented backend systems. The role involves developing real-time data pipelines, APIs, and distributed services, with emphasis on performance and reliability.You will contribute to building robust infrastructures in a globally...

Auctane is hiring a Software Engineer to strengthen our Poland-based engineering hub. You will work on scalable backend systems using Java 17+ and Spring Boot, focusing on BPM workflows, API integration, and cloud deployments.The role involves building automated tests, contributing to CI/CD, and collaborating across teams in a fast-paced Agile environment....

Kake is a remote-first, people-first global community of engineers, seeking Senior Backend Engineers skilled in TypeScript, Python, or C#. You will own high-performance, scalable backend systems for millions of users, collaborating with product and frontend teams to deliver reliable software.Core requirements include 5+ years in software engineering,...

ALTEN – Światowy lider usług inżynieryjnych i IT poszukuje Senior QA Engineera (Manual + API) do zespołu IAM. Doświadczenie w testowaniu backendowych API, planowanie testów oraz walidacja danych SQL to podstawa. Wymagana znajomość Pythona do automatyzacji, oraz narzędzi Postman i Bruno.Oferujemy pracę na pełen etat w ALTEN Polska. Dołączysz do...

About GRAI GRAI is reimagining how music is discovered and shared, created around the social layer of it. We're pre-launch, moving fast, and building the infrastructure for how the next generation of artists connects with their audience. The role You’ll build the systems that make GRAI’s AI music products work. From backend services and media pipelines...

**About GRAI** GRAI is reimagining how music is discovered and shared, created around the social layer of it. We're pre-launch, moving fast, and building the infrastructure for how the next generation of artists connects with their audience. ****The role**** You’ll build the systems that make GRAI’s AI music products work. From backend services and...

**Project description** **About the Project:** Over 5 billion people use traditional, non-AI-native apps daily for email, notes, tasks, and calendars. Our client's mission is to build proactive applications for everyday users who aren't accustomed to complex prompting. Their platform aims to bring intelligence to conversations, errands, organization, and...

## **About GRAI** GRAI is reimagining how music is discovered and shared, created around the social layer of it. We're pre-launch, moving fast, and building the infrastructure for how the next generation of artists connects with their audience. ## **The role** You’ll build the systems that make GRAI’s AI music products work. From backend services and...

The RoleThe platform processes massive streams of live sports data and video signals in real time-and the backend services driving this pipeline are yours to own. The challenge isn't just writing code; it's architecting for extreme scale and sub-second reliability where every millisecond counts toward a broadcast deadline. You will own features from initial...