backend engineer nodejs

Sii Poland is seeking a skilled backend software engineer to join our fintech platform team in Poland. You will design, build, and maintain Kotlin-based microservices, collaborating with Platform, Services, SMB, and other domains to deliver robust financial solutions.The role focuses on scalable backend systems, cloud exposure (AWS, Kubernetes), PostgreSQL,...

Link Group is seeking a Senior Back-end Developer with strong Docker and Kubernetes experience to own security-focused backend lifecycle management. You will work with development, DevOps and security teams to ensure secure, reliable services are built, tested and deployed to standards.You will contribute to architecture discussions, manage dependencies with...

Sii Poland is hiring for a backend software engineer to join a fintech platform focused on expense management. You will design, build and maintain Kotlin-based microservices and collaborate with cross‑functional teams across Platform, Services, SMB and more.You’ll support performance monitoring, reliability and scalability, participate in code reviews,...

Principal Big Data Engineer As a Principal Big Data Engineer you will design and implement scalable solutions powered by Akamai's Cloud Platform, develop and maintain data pipelines, create new features, implement testing, participate in on‑call rotation, and collaborate with stakeholders such as Data Science, SecOps, and QA. Designing and implementing...

About UsAt Netwrix, our mission is to revolutionize data security by placing identity at the core - providing unparalleled visibility and control. Engineered and supported by over 900 highly talented, motivated employees and hundreds of trusted partners in nearly every geography, Netwrix solutions are relied upon daily by security professionals across more...

About Creative FabricaCreative Fabrica is a subscription platform serving millions of creators, designers, and crafters worldwide. We're built on the principle that everyone can be creative. We remove what stands in the way: expensive software, technical expertise, and time-consuming production.About Creative FabricaCreative Fabrica is a subscription...

Link Group is seeking a Senior Back-end Developer with strong Docker and Kubernetes experience to own security-focused backend lifecycle management. You will work with development, DevOps and security teams to ensure secure, reliable services are built, tested and deployed to standards.You will contribute to architecture discussions, manage dependencies with...

Link Group is seeking a Senior Back-end Developer with strong Docker and Kubernetes experience to own security-focused backend lifecycle management. You will work with development, DevOps and security teams to ensure secure, reliable services are built, tested and deployed to standards.You will contribute to architecture discussions, manage dependencies with...

HeadHR poszukuje Senior Backend / Data Developera do projektowania i utrzymania rozwiązań backendowych integrujących różne źródła danych. Wymagana jest biegła znajomość MongoDB, PostgreSQL oraz Virtuoso Triple Store.Praca z OpenSearch, modelowanie danych, optymalizacja zapytań oraz współpraca z zespołami technicznymi w środowisku Agile....

ABOUT THE ROLEYou will be a part of the platform domain which is the foundation of LeoVegas. Contributing to build the best solutions possible to create the best iGaming experience. You will be involved in building tooling for the developer pipeline delivering more streamlined and secure flows. Join our Payments Team, responsible for building payments...

Sii Poland is hiring a Kotlin backend developer to design, build, and maintain microservices for a modern fintech platform. The role involves collaborating with cross-functional teams across Platform, Services, SMB, and other domains to deliver robust solutions and improve system reliability.The ideal candidate has at least 3 years of experience in software...

As a Senior Software Engineer on the Platform - Cloud Events team, you will ensure that data captured by the devices is properly validated and assessed by the powerful ML models that run in the Cloud. In this role you will level up our ML operations by enabling a more efficient model improvement lifecycle.You will work closely with the Product Team, the...

Jit Team is seeking a backend developer to design, build, and maintain .NET/C# applications, focusing on microservices, distributed systems, and REST APIs for a leading Polish e‑commerce platform. The role emphasizes high availability, performance, and collaboration with product teams and architects.You will participate in code reviews and mentorship,...

Senior Python Backend Engineer – Data / GCPYour responsibilities Design, implement and maintain Apache Airflow DAGs Manage and optimize Google Cloud Composer environments Develop Python backend services and REST APIs ...

A leading tech startup in Poland seeks a Software Developer experienced in Java and Kotlin to develop applications and implement functional requirements. You will collaborate closely with a team in an agile environment, partake in architecture design, and ensure high code quality through various testing methods. The ideal candidate has strong knowledge of...

Trading 212 is seeking a Staff Backend Engineer to shape technical direction across teams. You’ll tackle high-stakes backend challenges that span services, balancing performance, reliability and data integrity while staying hands-on when needed.You will mentor engineers, define clear boundaries, influence architectural choices, and collaborate with product...

Valora Outcomes is seeking a Senior .NET / Azure Backend Engineer to build production-grade .NET services on Azure, integrated with AI components and enterprise automation. This full-time role, located in Warsaw with EU remote options, emphasizes clean architecture, security, observability and scalable backend systems.You will design APIs, implement...

Sprout Social Inc. in Kraków is seeking a Staff Software Engineer, Backend to join our Engineering team. You will help build robust, scalable backend services and guide technical direction at internet scale.You will work with Java/Python, cloud technologies (AWS/GCP), and distributed systems, with a focus on delivering quality software and mentoring peers....

Lokalizacja: Kraków / praca hybrydowa, 2 dni w tygodniu z biuraRodzaj umowy: kontraktWymiar pracy: pełnyPoziom stanowiska: SeniorWynagrodzenie: 140-160 PLN/h netto + Vatauticon to niemiecko-norweskie przedsiębiorstwo społeczne, którego misją jest wspieranie osób w spektrum autyzmu poprzez tworzenie dla nich możliwości rozwoju zawodowego w obszarze...

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...