backend engineer nodejs

Sensor Tower is seeking curious engineers to help build fast, reliable systems for a market intelligence SaaS platform. You will work closely with experienced engineers on features from day one and learn how large-scale systems are designed, built, and optimized in production.We value simplicity, quality, and extreme ownership, and you will contribute to a...

CBTS in Poland is seeking a Backend Developer to design, implement and optimize server-side components, APIs and microservices. You will collaborate with frontend, DevOps and QA teams to deliver scalable, secure cloud-ready solutions.The role focuses on performance tuning, code quality, and troubleshooting production issues, with a strong emphasis on...

Nasdaq in Wrocław, Poland is seeking a Software Engineer to design and deliver sophisticated software powering the AxiomSL AI product. You will work across the full development lifecycle, from architecture to implementation, in a fast-growing, innovation-driven team.You will thrive as a problem-solver who enjoys tackling complex technical challenges,...

Affirm's Identity team is mission-critical to the customer checkout experience. When a customer chooses Affirm, one of the first steps is an identity check, and our ability to make the right decision directly impacts conversion, revenue, fraud exposure, and regulatory compliance. Our team owns Identity for all markets outside North America, playing a key...

Work with HelloFresh in Warsaw and its HelloTech organisation, HelloFresh's global technology backbone with more than 1000 people, building the digital products that power our end-to-end food experience. From meal kits and ready-to-eat meals to specialty offerings like pet food and premium meat & seafood, HelloTech creates the platforms that bring tailored...

Affirm is seeking a Senior Software Engineer to join the Card Acquisition team within the Consumer org. The team plays a critical role in shaping the first experience customers have with Affirm—building trust, clarity, and value from the very first interaction. As a Senior Engineer, you will be responsible for defining long-term technical strategy,...

Senior Backend Test Automation Engineer with strong data platform experience Industry: Technology solutions - consumer electronics, software, streaming Client: global enterprise, Swedish entity Work model: full time, hybrid 3 days/week on-site from Krakow (Equal Business Park) office Project language: English Onboarding: 3 days in Malmo, Sweden Start: ASAP...

WP Engine is seeking a world-class backend engineer to architect and build scalable cloud infrastructure services. You will own services from design through observability, tackling resiliency, asynchronous processing, and automation across distributed systems.Expect collaboration with Platform and DevOps teams, using Go/Python or other languages, and...

Sii Poland is seeking a Senior .NET Developer for 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.This is a remote position based in Poland, offering the chance to work closely with colleagues to create robust...

Jit Team ищет опытного Java-разработчика для разработки бэкэнда и микросервисов на базе Spring Boot. Вы будете работать над сервисами и API для мобильного приложения, интеграциями через Kafka и обеспечением...

Proxify is seeking a Senior Backend (Node.js/Nest.js) Developer to join their remote network. The role involves building scalable web applications while collaborating closely with other developers. Ideal candidates will have 5+ years of experience with Node.js and solid expertise in building REST/GraphQL APIs. Proxify ensures predictable project hours and...

DolarApp is seeking a skilled Backend Engineer in Kraków, Poland, to design and maintain scalable backend systems. You'll play a crucial role in building REST APIs and microservices for financial products. Ideal candidates should have strong Java expertise and a Bachelor's degree in a relevant field.We offer competitive salaries, stock options, and a chance...

Overview Routescanner is the world's leading container logistics intelligence platform, helping shippers, freight forwarders, and cargo owners discover, compare, and optimize intermodal container routes based on transit times, carrier reliability, and CO₂ emissions. Our platform connects thousands of logistics professionals with actionable, real‑time...

WPP in Warsaw, Poland is seeking a talented Backend Engineer to design, develop, and maintain robust backend systems powering our marketing technologies.You will build high-performance APIs (REST and gRPC), work with Python, cloud (GCP), and containers (Docker, Kubernetes), and collaborate with data scientists and product teams.Applicants should have 3+...

Box Poland is seeking a Software Engineer III (Backend) to join the Automate team. You will design and implement backend services in Java, focusing on a scalable workflow engine that models and executes complex workflows as graphs.You will optimize algorithms, help extend a meta-language for dynamic workflows, and collaborate across product, design, and...

Allegro.eu S.A. is seeking a Software Engineer 2 focused on Kotlin/Java backend for the Basket Building domain.You will work in a cross-functional team with backend, frontend, and mobile engineers, bridging to frontend when needed and collaborating with ML experts to personalize discounts in real time. The role emphasizes building from scratch, exploring new...

SOFTSWISS is hiring a Ruby on Rails Engineer to join our Casino Platform team. You’ll support and improve backend systems to deliver a seamless experience for operators and players across the platform, reducing manual load and improving stability.You will work with a tech stack including Ruby on Rails, PostgreSQL, Kafka, RabbitMQ, and Docker; you’ll...

NTIATIVE IT Recruitment in Warsaw is seeking a Senior Java Software Developer to design, build, and maintain backend services for an enterprise-grade platform used by financial institutions.You will work in a small, autonomous Agile team on distributed systems, large-scale data, and high-performance systems, taking ownership from development to production...

About VoodooFounded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees, 7 billion downloads, and over 200 million active users, Voodoo is the #3 mobile publisher worldwide in terms of downloads after Google and Meta. Our portfolio includes chart-topping games like Mob Control...

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...