13,924 Warsaw jobs
Open tech roles based in Warsaw.
Java/AWS/React Developer FinTech
Software engineer improving the Alloy Studio data-management platform in Warsaw: adding features, making data modeling seamless, optimizing query execution, contributing to open source, and driving AWS cloud adoption for data processing/warehousing. Core stack is Java, AWS, and React.
DevOps / Platform Engineer
DevOps/Platform Engineer in Warsaw (on-site) joining a long-term client project to build and operate scalable Kubernetes (EKS) infrastructure on AWS. Work covers Terraform-based IaC, CI/CD with GitHub Actions/GoCD, zero-downtime Blue-Green/Canary deployments, observability with OpenTelemetry/Grafana, and Istio service mesh. Korean proficiency is required.
Data Engineer AI Java/Python/Spark
Senior/Lead Data & GenAI Engineer who designs, builds and maintains production-scale data and AI platforms: large distributed data pipelines (Apache Spark, Databricks, Snowflake), cloud-native services on Kubernetes, and GenAI/LLM applications using Python/Java and frameworks like LangChain/LangGraph, while driving engineering best practices across teams.
Architekt IT
Dla naszego Klienta poszukujemy 3 Architektów IT , którzy będą odpowiedzialni za projektowanie architektury rozwiązań IT oraz wspieranie rozwoju systemów informatycznych w organizacji. Projekt obejmuje tworzenie…
DevOps
DevOps engineer at IT services firm act digital in Warsaw (remote-friendly): deploying and maintaining applications on Kubernetes, building and running CI/CD pipelines (Azure DevOps, Jenkins, ArgoCD), automating deployments, and troubleshooting/optimizing apps with development teams.
Security Engineer (m/f/d)
Contractor (B2B) Security Engineer at Flix in Warsaw doing hands-on preventive security: SIEM monitoring, cloud and application security reviews, email-security tooling, incident response (phishing, DDoS, account compromise), and Python SOAR automation plus Terraform.
(12183) Data Engineer
Data Engineer position at Scalo, an IT services company in Warsaw that delivers software projects for clients. The posting gives few role specifics; Scalo's offerings span technology consulting, software development, cloud solutions, data management, and dedicated project teams.
Senior Performance Copywriter
*Please note, this role is only available within Europe* CapsLock is a global IT marketing company that pioneers unique, scalable customer acquisition solutions for B2C clients. We solve complex sales challenges across…
IT Konsultant / Konsultantka ds. cyberbezpieczeństwa – wdrożenia i bezpieczeństwo infrastruktury
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…
Senior Solution Architect
Senior Solution Architect supporting a Polish telecom infrastructure operator's OSS/BSS transformation and development projects: defining logical and physical solution architecture, guiding dev and analyst teams, and designing integrations via REST API, SOAP, message queues and event-driven patterns. 100% remote B2B role paying 145–160 PLN/h net.
React Developer (PHP/Symfony)
Build and maintain web applications on a long-term (3-year, extendable) project for a stable Polish public-sector institution, developing features with React, JavaScript, PHP and Symfony, writing technical docs, doing code reviews and proposing improvements. On-site in Warsaw (hybrid possible with client approval), B2B at 100-110 PLN/h net.
Java Developer
Java developer building the full tech stack of a new or existing application: writing Java code, designing MS SQL Server databases, and producing technical documentation. Core stack includes Java, EJB, PrimeFaces, GWT, REST APIs and Git; hybrid/remote from Warsaw, B2B at 100–120 PLN/h net.
QA Automation Engineer
100% remote, fixed-term B2B contract (23.11.2026–22.02.2027) helping modernize a legacy goods-management application to React/TypeScript, Java and Google Cloud. The QA Automation Engineer does exploratory testing of the legacy app, designs UI E2E coverage, and refines an AI pipeline that generates and debugs automated tests.
Specjalista do spraw cyberbezpieczeństwa w Biurze Informatyki K/M
Zakres obowiązków: - monitorowanie zgodności działalności PR S.A. z wymaganiami dotyczącymi cyberbezpieczeństwa, w szczególności wynikającymi z ustawy o krajowym systemie cyberbezpieczeństwa, regulacji NIS2,…
IT Automation Tester [he/she]
Automation tester owning and scaling C#/.NET 8 test suites (NUnit, Bitbucket/Bamboo CI/CD) for applications on the PEGA platform, supporting a Java-to-PEGA migration in a KYC programme for a public-administration client. Hybrid or fully remote in Poland, with some manual testing included.
IT Operations Project Manager
Wynagrodzenie umowa o pracę: 15000 – 20000 PLN / mies. brutto Company Description Netcompany was founded in 2000 and has its headquarters in Copenhagen, Denmark. Today, we are an international company with more than…
Architekt Systemów IT
Wynagrodzenie B2B: 180 – 210 PLN / godz. netto Location: Warsaw - hybrid model (2 days per week in the office) Contract Type: B2B Rate: Up to 210 PLN/hour We are looking for an experienced IT Systems Architect to drive…