backend engineer nodejs

Google Warsaw, Poland is seeking a mid-level software engineer to contribute to backend systems, APIs and data infrastructure. You will design, develop, test, and deploy software solutions, mentor juniors, participate in design reviews, and ensure code quality across projects.The role emphasizes growth, collaboration across teams, and scalable platforms in a...

RapidFort, Inc. is looking for a skilled Senior Backend Engineer in Poland. The ideal candidate will specialize in designing, developing, and maintaining high-performance microservices, primarily using Go (Golang) and Python.This position offers a competitive salary between $140,000 and $200,000 per year, along with comprehensive health benefits and...

The Accounts & Subscription teams own billing and authorization - two services that everything else at Text depends on. That means text-billing (subscriptions, usage-based pricing, payment provider integrations) and SSO with account management, including the OAuth implementation that sits at the base of how clients authenticate across Text products. Current...

1inch is hiring for a backend engineer to build, extend, and operate backend services and APIs powering 1inch products. You will work on scalability, reliability, and developer experience while designing integrations with smart contracts and external services.The role involves contributing to observability and incident response, collaborating with product,...

We are seeking a skilled and motivated Backend Engineer to join our IoT Platform team. This role is critical to delivering the new initiatives, focusing on scalable backend services that support our connected devices and data-driven operations.Your Day to DayWork closely with architects to translate solution designs into scalable and maintainable backend...

On behalf of FinTech Client #3, SD Solutions is looking for a talented Backend Engineer. As a Backend Engineer, you will design, develop, and maintain robust server-side systems that power our financial technology products. You will focus on building scalable, secure, and high-performance backend services, handling critical data processing, API development,...

Are you passionate about building event-driven systems?Do you have a strong grasp of Kotlin or Go?Do you enjoy finding solutions for significantly impactful challenges?Are you passionate about building event-driven systems?Do you have a strong grasp of Kotlin or Go?Do you enjoy finding solutions for significantly impactful challenges?If the answers to the...

Addepar is seeking a backend software engineer to join their Portfolio Services team in Warsaw, Poland. In this role, you will develop resilient distributed services and tools to enhance product operations. The ideal candidate is proficient in server-side OO languages such as Java, has experience with Linux, and enjoys solving complex problems. Addepar...

Cloudinary is the media experience platform trusted by millions of developers and thousands of companies — from fast-growing startups to the world's largest brands — to power the images and video behind their digital experiences.Something fundamental is changing about who uses that platform. Increasingly, the \"developer\" calling our APIs isn't a person...

The International Engineering team is responsible for building the operational and transactional systems that enable Whatnot to scale globally. This team focuses on everything that happens after a transaction occurs. Responsibilities Cross-border transaction infrastructure Tax and regulatory compliance International post-purchase experiences Marketplace...

At Fresha, we believe AI is a force multiplier for feature delivery, not just a coding assistant. We provide every engineer with top‑tier tooling (Claude, GitHub Copilot, Cursor) to strip away technical toil—so you can focus your energy on shipping high‑impact product features. We value engineers who know how to leverage these tools to drive momentum...

Cisco Systems, Inc. is seeking a Go backend engineer in Kraków to help build and evolve License Manager capabilities crucial for licensing and entitlement across Splunk products. You will work on secure, scalable backend systems with strong focus on performance and reliability.You will collaborate with product management, support, and engineering teams to...

SD Solutions is seeking a talented Backend Engineer to design and maintain robust server-side systems for financial technology products. In this role, you will build scalable and high-performance backend services, collaborating with cross-functional teams to deliver reliable solutions.The ideal candidate should have over 10 years of experience in backend...

About The Role You will be a part of the platform domain which is the foundation of LeoVegas. Contributing to build the best solutions possible to create the best iGaming experience. You will be involved in building tooling for the developer pipeline delivering more streamlined and secure flows. About The Role You will be a part of the platform domain which...

GRID eSports GmbH is building event-driven systems for a fast-paced startup. You will craft greenfield services, participate in architecture discussions, and collaborate with product stakeholders to align progress and decisions.We expect 3+ years of Kotlin/Go experience, strong API design skills, and hands-on work with Docker/Kubernetes, CI/CD and automated...

Are you passionate about building event-driven systems? Do you have a strong grasp of Kotlin or Go? Do you enjoy finding solutions for significantly impactful challenges? If the answers to the above questions are yes, then this role could be ideal for you! What you will do Build greenfield mission-critical services and expand the reliability of existing...

Readdle is a pioneering force in the personal productivity space on Apple devices, having shaped the landscape since 2007. Our mission is to empower individuals and teams with innovative technology, enhancing their efficiency and creativity. We are dedicated to crafting exceptional mobile and desktop experiences for those who aspire to achieve more. The...

As a Senior Edge Compute & Backend Engineer, you will join Cloudinary’s Delivery team, collaborating closely with both frontend and backend specialists. Your role involves driving feature development, maintaining core codebases, and managing our extensive multi-CDN delivery platform.Our team oversees the global-scale delivery of Cloudinary customer assets...

Project description About the Project: Over 5 billion people use traditional, non-AI-native apps daily for email, notes, tasks, and calendars. Our client's mission is to build proactive applications for everyday users who aren't accustomed to complex prompting. Their platform aims to bring intelligence to conversations, errands, organization, and workflows...

About GRAI GRAI is reimagining how music is discovered and shared, created around the social layer of it. We're pre-launch, moving fast, and building the infrastructure for how the next generation of artists connects with their audience. The role You’ll build the systems that make GRAI’s AI music products work. From backend services and media pipelines...