backend engineer nodejs

Softnetsport in Katowice is seeking an AI Platform Engineer experienced in backend development and AI integrations. You will collaborate across teams, identifying AI solutions while building the necessary infrastructure.The ideal candidate has over 5 years of experience, strong knowledge of Python, and hands-on expertise with integration tools. The role...

Job Opportunity: Senior Backend / Full Stack Engineer (Node.js) Location: Cracow, hybrid model (6 office days per month) Type of contract: B2B Role Overview We’re looking for an experienced Backend / Full Stack Engineer to join a newly formed team building a product analytics and telemetry platform. The solution will collect and analyse behavioural and...

Box Poland seeks a Software Engineer III (Backend) to join the Automate team and help build the backend of Box’s workflow engine in Java. You will focus on scalable, correct systems and work with cross-functional teams to deliver features.You will mentor engineers, participate in code reviews, and contribute to architectural decisions within an AI-first,...

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...

WP Engine in Poland is seeking a Senior Software Engineer, Platform to architect and implement backend capabilities that power our global, high‑scale cloud infrastructure services.You will own services from design through observability and production support, work on REST/gRPC APIs, distributed systems, automation and CI/CD, and collaborate across teams to...

Nowoczesna platforma edukacyjna w Poznaniu poszukuje doświadczonego Senior Backend Developera do rozwijania innowacyjnej platformy webowej. Wymagana jest znajomość Pythona i Django oraz doświadczenie w rozwijaniu aplikacji w chmurze. Osoba zatrudniona na tym stanowisku weźmie udział w projektowaniu architektury systemu i optymalizacji wydajności...

Cisco Systems Poland is seeking a License Manager engineer to design, build, test, and maintain core licensing capabilities using Go and C++. You will lead features from design through production delivery, balancing correctness, performance, and security.Collaborate with product management, support, and engineering teams to translate customer needs into...

Polkomtel Sp. z o. o. poszukuje specjalisty backendowego do rozwoju aplikacji w Kotlinie lub Javie.Będziesz pracować z PostgreSQL i brać udział w testowaniu oraz administracji Linuxem. Wymagana podstawowa znajomość Nginx/OpenResty i Lua, a także chęć nauki nowych technologii. Współpraca z DevOps i SysAdmin obejmuje wdrażanie aplikacji....

Altium Limited, part of the Renesas Group, is seeking a Senior Backend Developer to build and maintain cloud-native backend services for the Altium 365 platform. You’ll work with Java and .NET Core in a multi-tenant AWS-based environment, contributing to scalable architectures and data-driven features.Join a collaborative R&D team to design and implement...

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...

RITS Software House szuka Software Engineer / Technical Con­sultant do pracy zdalnej (B2B) nad platformą lojalnościową i CRM dla globalnych marek. Będziesz projektować i rozwijać integracje, rozszerzać zachowania platformy oraz dbać o bezpieczne przetwarzanie transakcji przy dużych wolumenach.Wymagane minimum 4 lata doświadczenia w...

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...

Aduna Global Poland is seeking a Software Developer on the Traffic Plane team to help connect Aduna to CSP Service Exposure APIs, architecting scalable backend solutions and driving technical decisions. You will mentor junior engineers, participate in design reviews, and collaborate with SRE, security and product teams to improve observability, performance...

Sii Poland is hiring a senior software engineer to shape and grow a fintech platform focused on expense and financial tooling. You will design and implement scalable microservices in Kotlin, collaborate across Platform, Services, and SMB domains, and mentor teammates while driving architectural improvements.Ideal candidates bring 5+ years in software...

Building the Future of Open Finance Payward - the parent company behind Kraken, NinjaTrader, Breakout, xStocks, Payward Services and CF Benchmarks - has spent the last 15 years building one of the most modern and globally accessible financial infrastructure platforms in the industry, built to advance an open, global financial system. Before you apply, we...

Kompetencje wymagane do realizacji usług: minimum 6 lat doświadczenia w realizacji projektów backendowych lub integracyjnych, bardzo dobra znajomość Java i/lub Kotlin , praktyczne doświadczenie z Spring Boot oraz Maven , doświadczenie w projektowaniu, rozwijaniu i integracji REST API , doświadczenie w realizacji rozwiązań opartych o event-driven...

Sprout Social in Kraków is seeking a Senior Software Engineer, Backend to help build, scale, and monitor our platform at a tech-giant scale with cross-functional teams spanning product, design, and operations. You’ll shape resilient systems and contribute to impactful deployments.You’ll work with Java, Python, MySQL, NSQ, HBase, AWS, and Kubernetes to...

Thaumatec Sp. z o.o. is expanding its Cloud applications development team in Wrocław to build backend services for smart IoT solutions.You will design and implement backend software, align with Product Owners and Architects, and continuously learn new skills in an Agile environment. The role requires five+ years of professional experience, strong .NET Core...

Infinity Quest is looking for a Java backend developer who will join the delivery development group. You will be responsible for designing, implementing, and integrating system components, collaborating closely with architects, developers, and the quality assurance team.The ideal candidate must have experience with Java server components, Spring Boot, and...

ARQ, a rapidly growing fintech, is seeking a Backend Engineer in Kraków, Poland. You will design and maintain high-performing backend systems and collaborate on solutions that enhance financial inclusion.The ideal candidate will have demonstrable backend development experience, fluency in Java, and a relevant degree. The position offers competitive pay,...