Senior Ruby On Rails Backend Engineer

We are looking for a senior Ruby on Rails engineer to become the technical backbone of our product. You'll own the hardest PRs, raise the bar for the entire codebase, and eventually take technical load off the CEO. This is not a management role. It's a hands‑on, high-trust position for someone who can ship production code across every part of the...

Software Engineer – Ruby (AI Training)About The RoleWhat if your Ruby expertise could directly influence how AI understands and writes production-grade software for developers around the world? We're looking for experienced Ruby Software Engineers to help design, evaluate, and improve real-world software systems used in AI training and data-driven...

Alignerr is seeking a skilled Ruby Software Engineer to design, implement, and optimize backend services and APIs in a fully remote, hourly contract role. You will work on AI training data pipelines and production-grade code, collaborating asynchronously with researchers and engineers across time zones.The position emphasizes strong Ruby expertise,...

Your mission As a Senior Backend Engineer at Playtomic, you will be responsible for developing robust and scalable solutions for our product, ensuring high performance, consistent and secure transactions. In Playtomic we operate in pods. A pod is a small, cross-functional team that owns a domain end-to-end: it takes a framed problem, makes the key...

Are you ready to be inspired, challenged, motivated to do your best, and have fun while you're at it? We're on the lookout for a Senior Backend Cloud Engineer to join our team at Mimacom, where we play off each other's strengths to create exciting digital products for customers all over the world.We develop digital products that enable businesses to achieve...

About the Role Our promotional features team is seeking a Senior Backend Engineer. This role is focused on developing and optimising promotional features for our gaming platforms, where performance, scalability, and cutting-edge solutions are paramount. If you’re a product-passionate person, your mind is keen to solve deep tech engineering problems, and...

Company DescriptionAre you ready to trade your job for a journey? Passion, excitement & global collaboration are all core to what it means to be a FlyMate. We use our Flywire Advantage - the combination of our next-gen payments platform, proprietary payment network and vertical specific software, to help our clients get paid, and help their customers pay...

Jobgether SRL, listed on behalf of a partner company, seeks a Senior Software Engineer (Node.js/Python) based in Spain to build backend and AI-enabled systems powering an innovative mobility platform. You will design, develop, and operate scalable web services and APIs using Node.js, TypeScript, and Python, owning architecture and working with AI engineers...