backend engineer nodejs

Your Jared in Warsaw, Poland is seeking a Senior Backend Engineer to build a multi-tenant policy gateway using Nest.js, TypeScript, and AWS. You will design webhook auth, tenant routing, and policy mapping to a canonical model.Work is remote-first with async collaboration, implement through Terraform/Vault, and ensure data isolation, idempotency, and robust...

Tesco Technology's Contact team in Kraków is hiring a Senior Software Engineer to design, build, and maintain scalable Java services processing large customer data. You'll work with Azure, Terraform, and CI/CD, help migrate to Kubernetes, mentor engineers, and contribute to high-impact, data-driven features enabling personalized Tesco experiences.This...

CoreWeave is hiring a Senior Software Engineer for the Box Office Platform to build and operate Go-based services that manage hardware lifecycle across global data centers. You will own APIs connecting data centers, vendors, and internal platforms, ensuring reliability, scalability, and easy integration with partner systems.You should have 5+ years in...

Budujemy warstwę serwisów i integracji platformy zarządzania flotą robotów intralogistycznych - system, który łączy zewnętrznych klientów WES z silnikiem planowania tras C++ i fizycznymi robotami działającymi na hali. Poszukujemy senior backendowca, który ma głowę do architektury mikroserwisów, rozumie asynchroniczne Python i wie, jak pisać...

About the role The Product Intelligence Platform is an AI-driven system that transforms how Tesco handles product data at scale. The platform leverages multi-agent AI systems to automate product categorization, enrichment, and matching across a vast number of products on a weekly basis. Built on event-driven architecture using Kafka, the platform processes...

Project description: AdTech product for contextual advertising. The system analyzes website content and selects and displays relevant ads in real time through RTB auctions. Requirements: - Commercial experience at a Senior+ level or higher, with the ability to work independently and take ownership of tasks; - Confident spoken and written English skills at...

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe. Join a team that’s redefining the future of banking! We’re looking for a Backend Engineer passionate about building innovative solutions using cutting-edge technologies. We are on a mission to become the leading Banking-as-a-Service (BaaS) provider in...

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe. Join a team that’s redefining the future of banking! We’re looking for a Backend Engineer passionate about building innovative solutions using cutting-edge technologies. We are on a mission to become the leading Banking-as-a-Service (BaaS) provider in...

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe. Join our client's team, where you'll play a key role in shaping a next-generation Software Security platform at one of the world's leading global financial institutions. Your contribution will help deliver high-impact solutions in cybersecurity –...

Full-time B2B | Remote EU / Poland | US Insurance Context | Start October 2026 We are an AI-native data and technology partner for private capital and healthcare. Founded in 2010 and headquartered in Warsaw, we work with leading PE firms, VC funds, and healthcare organizations to build proprietary data infrastructure, deploy AI solutions, and drive...

PayPo to fintech tworzący przyszłość płatności cyfrowych z szybko rosnącym zespołem backendowym. Szukamy PHP Engineer, który będzie projektował i rozwijał modułowe mikroserwisy, zabezpieczał API i integrował z zewnętrznymi bazami danych w skali milionów transakcji rocznie. Wymagamy min.3 lat doświadczenia i mocnych umiejętności PHP 8+,...

Your impactAt Jacobs, we're embarking on an exciting journey as we initiate the development of our Digital & Data Hub in the heart of Krakow. Our mission is to undertake projects spanning various industries, including Consumer and Manufacturing, Defence and Security, Energy and Utilities, Financial Services, Government and Public Services, Health and Life...

FunnelFox is seeking a Senior Fullstack/Backend Engineer (Python) to join our Billing team. You will build core Billing functionality and scalable backend systems to support payments, revenue growth, and reliability across the platform.This role requires strong Python backend experience, a solid understanding of distributed systems, PostgreSQL, and container...

LeoVegas Mobile Gaming Group is seeking a Senior Backend Engineer to join the Retention domain. You will build scalable backend solutions in a microservice architecture using Java and Kotlin, collaborating with cross‑functional teams to deliver value‑generating features across our products.This role emphasizes end‑to‑end ownership, strong...

An international recruitment agency is seeking a Senior Java/Python Developer for a fully remote position. The ideal candidate must have over 6 years of software development experience, strong knowledge of Java and Python, and be skilled in developing REST APIs and microservices. This role also requires expertise in Machine Learning frameworks and...

blau direkt is building an AI-powered platform and seeking a Senior Golang Engineer to design, build, and scale backend services, APIs, and platform components powering AI workflows.You will own technical initiatives end-to-end, contribute architectural ideas, ensure production readiness, observability, and reliability, while collaborating with Product and...

Talanto poszukuje Senior Backend Developera z biegłą znajomością niemieckiego (B2B) do zespołu wspierającego platformy finansowe. Rola obejmuje rozwój oprogramowania w środowisku cloud-native, z naciskiem na bezpieczeństwo, uwierzytelnianie i zgodność z GDPR. Wymaga Java/Kotlin, AWS, Terraform oraz architektury mikroserwisowej. Praca w Krakowie,...

Jit Team is seeking a Senior Software Engineer to design and build scalable backend services for distributed IoT and industrial systems. You will create high-performance Rust services, develop microservices architectures, and enable reliable data exchange across cloud-native environments.You will collaborate with cross-functional teams, implement...

CloudVision is Arista’s enterprise network management and streaming telemetry SaaS offering, serving the world’s largest Financials, Media and Entertainment, Health Care, and Cloud companies. As we continue to scale the service and expand into new markets, we’re looking to grow the team with Software Engineers in our Dublin office.Here’s what our...

Inetum Polska poszukuje doświadczonego specjalisty do testów automatycznych backendu w projekcie kart płatniczych dla sektora bankowego. Migracja do chmury GCP i integracja systemów grupowych to kluczowe wyzwania.Wymagane minimum 5 lat doświadczenia, znajomość Javy, Selenium/JUnit, REST API, Allure, Git i Azure DevOps, z doświadczeniem w bazach...