backend engineer nodejs

WLG is hiring a backend engineer to design, build and operate cloud-based services for maritime geospatial analytics. The role is fully remote, spanning Sep to Dec, and involves end-to-end ownership from discovery to production.You will develop production-grade APIs and microservices in Python, model the domain with DDD, integrate Neo4j, and build ML...

Sii Poland is seeking a skilled Backend Kotlin Developer to join a fintech platform enhancing company expense management. You will design and maintain microservices, collaborate with Platform, Services, and SMB teams, and contribute to performance monitoring and reliability improvements.The role requires 3+ years in software development, Kotlin in commercial...

Sii Poland is seeking an experienced Senior Java Developer to join a team building a modern enterprise data integration and processing platform that supports logistics and transportation on a global scale. You will focus on developing scalable backend services, microservices, and event-driven integrations within a complex enterprise environment.The role...

SmartBear delivers application integrity for modern tech stacks, ensuring continuous, measurable assurance that software just works as intended with governance to operate at AI speed and scale. SmartBear offers deep test automation, API lifecycle management, and observability capabilities. With integrations across the SDLC, it sets a new quality standard for...

Sonalake, a software partnering company, is expanding its backend development capability. We build rock-solid server-side applications and maintain clean, well-documented code within a collaborative, multi-disciplinary team.This role offers a remote-first setup with offices in Dublin, Poznan, and Bratislava, or fully remote/hybrid options. We provide a...

The Codest is seeking a skilled backend engineer to design, develop, and maintain scalable Kotlin/Java services and APIs. You will work within a microservices framework, shaping architecture and delivering high-quality software for a leading European e-commerce client.You will collaborate with Product, Data, and UX teams, and may contribute to...

Nordea is seeking a Backend Developer for the Savings and Investment Product & Retail Order Management Technology Service Domain. You will design, develop and maintain Java applications supporting our savings and investments products, and build robust calculation engines ensuring tax compliance across multiple countries.You will participate in the full...

Inetum Polska is seeking a Regular JVM Software Engineer to join the Sales and Commission solutions team. You will contribute to the development and maintenance of backend applications supporting commercial commission processing, implementing new business requirements and enhancing components throughout the lifecycle.Your daily work includes Java with Spring...

DCG Poland is looking for a skilled Java Backend Developer to join our client’s Fraud Management team. You will develop server-side applications, design solutions, and build near real-time data pipelines in a Scrum setting.You’ll work with Spring Boot, SOAP/REST Web Services, Kafka, and relational databases, ensure performance, and collaborate across...

Peloton is seeking a Senior Software Engineer to lead an agile team designing and building scalable microservices powering core features across bikes, tread, and digital platforms. You will mentor juniors, collaborate with TPM and Product, and deliver high-availability APIs with robust testing and monitoring.The role emphasizes performance optimization,...

Tieto Deutschland GmbH is seeking a Software Engineer to join the Patient Engagement team. You will design, develop and maintain backend features in a SaaS environment with a strong .NET and SQL focus, using EF in C#.The role supports a hybrid work model, allowing office or remote work according to schedule. You should have 3+ years of professional...

SmartBear is seeking a Junior Backend Engineer in Wroclaw to join an international team and contribute to API development for Portal, Catalog, and Studio. You will implement new features, ensure clean code, and collaborate across product teams.The role requires 1–2+ years in Java, Spring Boot, REST, and PostgreSQL, with a BS in CS or related field and...

Sii Poland is seeking a Senior .NET Developer to join our agile in-house team. You will deliver long-term C#/.NET backend solutions for industrial systems, focusing on collaboration, CI/CD practices, and integration with industrial protocols.You will work remotely from Poland with a dedicated team to create robust applications, enhance system integration,...

PixelChain is seeking an experienced backend engineer to help scale our fintech, iGaming, and marketing platforms. You will own the architecture and performance of core systems, partnering with product teams to ensure services stay fast, reliable, and ready for expansion into new markets.As part of the engineering team, you will design and implement...

SmartBear in Wroclaw, Poland is seeking a Junior Backend Engineer to join an international team building features for API development. You will contribute to the world’s leading API design and testing platform, collaborating with engineers, product managers, and UX specialists on Portal, Catalog, and Studio features.You will implement new functionality,...

ERGO Technology & Services S.A. (ET&S), part of Munich Re and ERGO Group, seeks a Software Engineer specializing in Python and Azure to build robust backend infrastructure for AI solutions.You will collaborate with Data Scientists and DevOps to deploy scalable, secure foundations for production-ready applications in an Azure environment. You will design...

Silicon Data is seeking an experienced Backend Engineer to scale our GPU benchmarking platform. You will design, build, and deploy scalable backend services, owning performance and reliability in production.You’ll collaborate with benchmark engineers and leverage FastAPI, Python, Redis, and SQL to deliver robust systems. Expect a fast-paced, autonomous...

Software Mind in Kraków is seeking a (Senior) Backend Engineer to join one of our cross-functional product teams embedded in client projects. You will work on resilient services, design patterns, and scalable REST APIs using .NET/.NET Core, C#, EF, and Azure DevOps pipelines.You will communicate directly with clients in German and English, stay up to date...

HelloFresh is searching for a Backend Engineer to lead initiatives on scalable backend solutions in Warsaw. You will shape the architecture for systems that power our global supply chain, working closely with diverse engineering teams and stakeholders to ensure robust implementations.Your expertise will guide the development of modular solutions using...

Reply Group seeks a hands-on software and cloud engineer for building scalable IoT and cloud platforms at OBI Smart Technologies Poland. You will contribute to backend services using TypeScript and Node.js while working closely with product teams to deliver reliable solutions in AWS environments.Required are 3+ years of experience in backend development,...