Praca dla java backend engineer w Warszawa

VBeyond Corporation in Warsaw, Poland is seeking an experienced backend engineer to contribute to RAG-based consumer assistance and advanced document analysis projects. You will develop scalable Python services using FastAPI, design robust ETL pipelines, and ensure high-quality code with strong testing and maintainability practices.The role requires 8+ years...

# Senior Backend Engineer (TypeScript / Nest.js / AWS)Warsaw, PolandRemoteplvia direct// Job TypeFull Time// SalaryPLN 26,000 - 32,000/month// Salary Range26,000–32,000 PLN / month// Posted2 days ago// Work Moderemote## About the RoleQuick Facts Focus: Build a multi-tenant policy gateway for a claims platform integration Stack: Nest.js / TypeScript on AWS...

Fireblocks is seeking a Backend Engineer in Warsaw to design and develop scalable backend services for on-chain transaction processes. The ideal candidate will have over 7 years of experience in backend or full stack engineering, with a strong knowledge of blockchain technologies, particularly in both EVM and non-EVM ecosystems.This role involves significant...

Do naszego zespołu technologicznego poszukujemy Senior Java Software Engineer'a, który dołączy do realizacji innowacyjnych projektów. Będziesz odpowiedzialny za rozwój i utrzymanie aplikacji, optymalizację kodu oraz współpracę z zespołem w celu dostarczania rozwiązań najwyższej jakości Zadanie, które na Ciebie czekają: Projektowanie,...

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...

Hybrid or predominantly remote arrangements considered for strong profilesRole OverviewA major financial institution is delivering a multi‑year re‑platforming and application migration programme running until 2028. You’ll operate as a lead, technically credible engineer who can work across multiple squads rather than focus solely on ticket delivery....

Cognism is seeking a Senior Software Engineer to join the Integrations & Enrich domain. You will design and build backend services that power CRM integrations and enrichment workflows, enabling secure data exchange with Salesforce, HubSpot and other platforms.You will own software across its lifecycle, collaborate with cross-functional teams, and contribute...

Deliver through Claude Code and improve context, agent tooling, and evaluation of agent outputOwn event-pipeline services under load spikes and pathological traffic, including backpressure, load shedding, circuit breakers, retries, and dead letteringOwn the Elasticsearch query and search layer, including deep pagination and behavior under memory and rate...

SimCorp is seeking a Senior Software Engineer to enhance the Transactions & Private Debt product. You will design and maintain backend functionality using APL and C#/.NET, collaborating closely with product managers and engineers.The role offers flexible working hours, a modern office setup, and generous benefits including healthcare coverage and...

A digital advertising tech company in Warsaw is seeking a software developer to enhance its Instapage platform. You will join a dynamic team to maintain and develop innovative software solutions using PHP and Node.js. The ideal candidate has over 3 years of experience in software development and a solid understanding of various technologies. This role offers...

Tieto Caretech is seeking a skilled Software Engineer to join our Patient Engagement team. You will design, develop, test, and maintain software for healthcare SaaS environments, with emphasis on backend services built on .NET and SQL.The role offers hybrid work from office or home, opportunities to work with a global team, and a culture of learning and...

About VoodooFounded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees, 7 billion downloads, and over 200 million active users, Voodoo is the #3 mobile publisher worldwide in terms of downloads after Google and Meta. Our portfolio includes chart-topping games like Mob Control...

BlueSoft to innowacyjny Software House należący do Grupy Orange, oferujący atrakcyjne środowisko dla doświadczonych programistów Pythona. Szukamy specjalisty od backendu do pracy nad usługami opartymi o FastAPI, z naciskiem na asynchroniczność i integracje REST.Oczekujemy minimum 4 lat doświadczenia w Pythonie, biegłości w co najmniej dwóch...

FinteqHub in Warszawa is hiring a Go Engineer to join our team working on KYC, Transaction Risk, and Anti-Fraud systems. You will design, build, and evolve backend services powering critical fintech platforms.This role emphasizes ownership of complex problems, scalable architecture, and reliable production operations, with collaboration across Product, Risk...

Sii Polska in Poland is seeking a Python Developer to join our international team, focusing on backend and data development. You will help build scalable data pipelines, REST APIs for pricing and vehicle data, and collaborate with product owners, architects, and engineers in an Agile setup.The role requires 4+ years of Python experience, strong data tooling...

WPP in Warsaw, Poland is seeking a talented Backend Engineer to design, develop, and maintain robust backend systems powering our marketing technologies.You will build high-performance APIs (REST and gRPC), work with Python, cloud (GCP), and containers (Docker, Kubernetes), and collaborate with data scientists and product teams.Applicants should have 3+...

W ITLT pomagamy naszym zaprzyjaźnionym firmom przekształcać ambitne pomysły w cyfrową rzeczywistość. Z nastawieniem na wyzwania, ciekawość technologii i zwinność współtworzymy wyjątkowe rozwiązania IT i zapewniamy doświadczone osoby eksperckie, które pomagają przyspieszać cyfrową transformację. Aktualnie poszukujemy profilu na...

We are seeking an experienced Senior Software & DevSecOps Engineer for one of our clients, a globally recognized financial enterprise. This hands-on role is embedded within a brand-new cybersecurity initiative focused on building a dedicated platform for threat modeling, vulnerability management, and supply chain security. You will play a pivotal role in...

Hello World! We are The Codest - International Tech Software Company with tech hubs in Poland delivering global IT solutions and projects. Our core values lie in “Customers and People First” approach that prioritises the needs of our customers and a collaborative environment for our employees, enabling us to deliver exceptional products and services. Our...

Join a high-impact engineering team delivering cutting‑edge solutions for Financial Markets. We build systems used daily by sales teams, traders, and risk managers across global hubs: London, Amsterdam, Brussels, New York, and Singapore. Our focus is on derivative products across multiple asset classes (equities, commodities, interest rates). You will...