backend engineer nodejs

Veeam Software in Warsaw, Poland, seeks a Senior C# Developer to design and build robust backend solutions for processing large data volumes. You will contribute to integrating Veeam products into BaaS offerings, including Veeam Data Command Center, Veeam Service Provider Console, and Veeam VDC Azure/Entra ID services.You will own major components, shape...

ING Hubs Poland is seeking an experienced backend engineer to design and develop robust services for real-time trading platforms. You will collaborate with traders, quants, and business experts to deliver scalable features across global hubs in a fast-paced FinTech environment.The role emphasizes production-grade software, modern REST APIs, and strong...

Talanto is seeking a DevOps Java/Kotlin backend developer in Warsaw to design, develop, and maintain scalable services. You will work with Spring Boot, microservices, MongoDB, and Google Cloud Platform to deliver reliable APIs.Expect collaboration with product and data teams and occasional frontend tasks. The role emphasizes high engineering standards,...

Sensor Tower is seeking an early-career backend engineer in Kraków to help build fast, reliable systems for large-scale data access and analysis. You will work alongside experienced engineers, contribute to meaningful features from day one, and grow your skills in production-grade services.Ideal candidates have 2+ years of Go experience, strong SQL skills,...

MetalBear is remote-first, early-stage, and product-led. We're building mirrord, a Kubernetes development platform that lets developers and AI coding agents run code against a live cluster before it's deployed.The problem we solve is the wait. In any organization running microservices, checking whether a change actually works means building an image, pushing...

GitLab is seeking a Backend Engineer on the Gitaly team to build GitLab’s Git data storage tier, a standalone product that provides reliable, secure, and fast access to Git repositories through APIs and storage operations. You’ll work at the boundary between GitLab and Git to ensure repository access remains performant for GitLab.com, self-managed...

Akamai is seeking a Senior Backend / Big Data Engineer to design scalable solutions on Akamai's Cloud Platform, build data pipelines, and contribute to real-time cybersecurity data platforms.You will work with Data Science, SecOps, and QA, participate in an on-call rotation, and implement unit/integration tests. Proficiency in Java/Scala/Python and...

Cisco Systems, Inc. is seeking a License Manager software engineer to build and evolve core licensing capabilities using Go and C++. You will contribute to secure, reliable, and scalable product functionality, delivering features from design through implementation with strong testing practices.The team collaborates across product management, support, and...

Capgemini Polska is seeking an experienced Senior Java backend engineer to design and develop backend systems using Java and the Spring ecosystem. You will focus on microservices with high performance, scalability, and automated testing, while collaborating with DevOps on cloud infrastructure.The role requires strong Java fundamentals, Spring Boot, REST API...

Moniepoint Inc. is Africa’s all-in-one financial platform, powering 20 million businesses and individuals with payments, banking, and tools. This engineering team builds scalable backend services, leverages Kubernetes and Docker, and processes vast data for fast, reliable experiences.The role centers on delivering RESTful APIs, distributed systems, and...

A modern insurance technology firm in Poland seeks an experienced Staff Backend Engineer to enhance their rapidly growing B2B SaaS platform. In this pivotal role, you will be responsible for owning the backend architecture, writing high-quality code, and leading engineering initiatives. The ideal candidate will have over 8 years of experience and expertise...

Box is expanding in Warsaw, seeking an experienced engineer to join one of several teams tackling challenges in content management. The ideal candidate will have over 10 years of software development experience, be proficient in Java (preferred), and possess a strong understanding of algorithms and data structures.Responsibilities include building security...

LeoVegas Group seeks a Backend Engineer to join the Regulatory Reporting Team, delivering and evolving regulatory reporting functionality for the Netherlands platform. You will work in a high-skilled team on robust microservices and data workflows.The role emphasizes Java/Kotlin with Spring Boot, MySQL, and English communication; you’ll analyze...

About the role The Colleague Clubcard & Pension team builds and runs enterprise grade APIs that power two of Tesco's flagship colleague benefits: the Colleague Clubcard and the Retirement Savings scheme. We design secure, scalable, and highly reliable services that provide seamless access to colleague benefit data across multiple systems and countries. We...

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 doświadczone osoby eksperckie, które pomagają przyspieszać cyfrową transformację. Aktualnie poszukujemy profilu na...

Sensor Tower’s digital intelligence platform helps teams understand market trends, advertising, competitors, and audiences across mobile, web, and gaming. We’re seeking curious, motivated engineers to help us build fast, reliable systems that make data accessible and understandable for thousands of customers.You’ll work with senior engineers, ship...

ARQ, a leading fintech in Kraków, is looking for a Backend Engineer to design and maintain high-performing backend systems. You'll collaborate with a talented team to create solutions aimed at transforming financial interactions.The ideal candidate has experience in backend development, particularly in Java, and holds a Bachelor's degree in a relevant...

Overview Shape the future of trust in the age of AI. At Oscilar, we're building the most advanced AI Risk Decisioning Platform. Banks, fintechs, and digitally native organizations rely on us to manage their fraud, credit, and compliance risk with the power of AI. If you're passionate about solving complex problems and making the internet safer for everyone,...

HeadHR is seeking an experienced Backend Engineer to enhance a customer-facing platform. In this role, you will focus on improving backend services, investigating bugs, and designing REST APIs within a modular monolith architecture.The ideal candidate will have strong TypeScript and NestJS experience, good MySQL knowledge, and the ability to contribute...

Lendable is hiring a Senior PHP Engineer to join a vibrant engineering team of 200+ across backend, frontend, mobile and platform disciplines. You will build and integrate APIs, participate in architectural decisions, and help shape the future of our lending platforms.You’ll work with PHP 8, Symfony, AWS, and a modern tech stack; growth opportunities are...