Backend Senior Developer Ruby on Rails H/F

Recruiter4you is seeking a Senior Ruby on Rails Engineer to join a fast-growing AI technology company behind an AI companionship platform used by millions worldwide. You’ll work on scalable, AI-powered applications, developing new features and improving existing functionality alongside the CTO, Tech Lead and wider engineering team. This is a hands-on...

Titan Operating System S.L. (Titan OS) in Barcelona seeks a Senior Backend Engineer to design, build and maintain scalable backend infrastructure that powers our cutting-edge applications.You will ensure security, reliability and performance while driving robust server-side solutions across products and services. You'll work closely with frontend, DevOps...

Join to apply for the Ruby on Rails developer (42K€-58K€) role at Joppy We are hiring on behalf of one of our clients for a backend/full stack engineer role. The position is to join a public procurement data platform that allows public and private sector workers to be more efficient in their day-to-day tasks and achieve sophisticated results...

A leading tech company in Comunidad de Madrid is seeking an experienced Senior Ruby on Rails Developer. Responsibilities include designing and maintaining web services and applications, collaborating with mobile and QA teams, and managing databases. The ideal candidate has over 5 years of experience with Ruby on Rails, strong skills in RESTful APIs, and...

Spain | Remote | Senior Engineering Opportunity MaxIT Consulting – Max Corporate Group is looking for a Senior Backend Engineer, Payments and Ledger to join a fast-growing New York fintech company building banking, payments, and settlement infrastructure for US prediction markets and regulated gaming. The company operates financial infrastructure that...

????????: Titan Operating System S. L. (Titan OS), the Barcelona-based technology, entertainment, and advertising company, is looking for you! We are looking for a Senior Backend Engineer with a deep understanding of server-side technologies and a passion for building highly scalable systems that power industry-leading applications. You will be...

????????: Titan Operating System S. L. (Titan OS), the Barcelona-based technology, entertainment, and advertising company, is looking for you! We are looking for a Senior Backend Engineer with a deep understanding of server-side technologies and a passion for building highly scalable systems that power industry-leading applications. You will be...

DescriptionSenior Application Security EngineerWe are hiring a Senior Application Security Engineer to own application security across Product Engineering and make Treatwell's products secure by default. You own the security tooling, from SAST in the pipelines to DefectDojo, you are the first call when an application-layer incident needs a security engineer,...

DescriptionSenior Application Security EngineerWe are hiring a Senior Application Security Engineer to own application security across Product Engineering and make Treatwell's products secure by default. You own the security tooling, from SAST in the pipelines to DefectDojo, you are the first call when an application-layer incident needs a security engineer,...