backend engineer nodejs

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...

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,...

A software house in Poland seeks a Ruby on Rails/Python Developer to join its innovative team. The role involves designing and maintaining backend applications, optimizing performance, and collaborating with project teams. Suitable candidates should have over 4 years of experience with Ruby on Rails and Python frameworks such as Django or Flask. We offer...

Capco Poland is seeking an experienced Senior Java Developer to design, develop, and enhance enterprise-grade applications. You’ll work on Core Java, Spring Boot, Microservices, REST APIs, and database technologies, collaborating with analysts, architects, and teams across the business.Join a hybrid, B2B project-based engagement and help ensure scalable,...

Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego w Katowicach poszukuje specjalistów do zespołu projektów B+R w obszarze cyberbezpieczeństwa i AI. Praca obejmuje od rozpoznania problemu po prototyp, testy i walidację wyników.Szukamy wysoce samodzielnych ekspertów z wyższym wykształceniem, min 2 lata doświadczenia w backend, Rust lub...

Scalo zaprasza do współpracy doświadczoną osobę na projekt z zakresu backendu w Java i Spring Boot. Pracę realizować można w trybie 100% zdalnym lub hybrydowo, 1–2 dni w tygodniu w biurze klienta w Gdańsku. Budżet projektu to do 130 PLN/h + VAT, w zależności od doświadczenia.Wymagane są min. 7 lat komercyjnego doświadczenia w Java,...

GRAI is reimagining how music is discovered and shared. You’ll build the systems that make GRAI’s AI music products work, from backend services and media pipelines to model inference and infrastructure, owning hard technical problems end-to-end as we scale.You’ll design, build, test, and maintain production software, including backend services, APIs,...

Commvault is seeking a Software Engineer - Backend to join the Clumio backend team. You will implement features and components within our cloud-native data protection platform, working under senior engineers.Expect to write reliable, production-ready code, participate in testing, and help operate systems at scale. The role focuses on learning, growth, and...

Amartus is seeking a Senior Software Engineer (Java) to ensure smooth deployment and operation of nBrace Inter-party Automation solutions for customers. You will be hands-on, self-motivated, and work with internal teams and customers to shape delivery at scale.The role emphasizes back-end Java development, Spring, cloud platforms (AWS/Azure), and...

Cisco Systems, Inc. in Kraków is seeking a skilled License Manager engineer to design, build, test, and maintain core licensing capabilities using C++.You will lead features from design through production delivery, balancing correctness, performance, security, and maintainability. You will collaborate with product management, support, and partner...

Object First, now an independent business unit of Veeam, builds secure, simple, and powerful backup storage for Veeam customers, engineered with Absolute Immutability to deliver true ransomware-proof protection.We are seeking an AWS Backend Developer (JavaScript, Node.js) in Poland to join a fast-growing, innovative team. You will work on cloud-based fleet...

IBM Software in Kraków seeks a Staff Software Engineer with strong Rust expertise to design and build scalable backend and infrastructure systems. You will work with senior engineers to shape architecture, drive performance, and ensure reliability.You will mentor teams, influence technical direction, and contribute to distributed data pipelines and...

Hiberus Poland poszukuje Junior .NET Developera do pracy w trybie hybrydowym we Wrocławiu. Praca obejmuje tworzenie i rozwijanie oprogramowania w .NET, wprowadzanie zmian i udoskonaleń istniejących rozwiązań, a także współpracę z zespołem nad projektami. Kandydat będzie analizować problemy i szukać skutecznych rozwiązań.Firma oferuje...

Ubiquiti Inc. seeks a seasoned backend engineer in Kraków, Poland, to design and implement scalable RESTful APIs and embedded platform software. You will work with cross-functional teams to ensure performance and reliability across devices and services.The role requires 5+ years in Golang and database experience, with a focus on API design and AI-enabled...

Univio is seeking a seasoned backend AI/LLM integration engineer in Wrocław to develop tools based on AI agents, workspaces, and pipelines, and to integrate applications with leading AI models.You will orchestrate development environments with Docker/Docker Compose, collaborate with DevOps, analysts, and business stakeholders, and help optimize token usage...

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...