Back End Developer

A global leader in Fin Tech is building a brand-new Engineering team and is looking for experienced Senior Software Engineers (Backend) to join them. They're hiring across all levels, including Senior Engineers, Staff Engineers, Principal Engineers, even Team Leads. This is an opportunity to work on deeply technical, innovative solutions as part of a...

Alignerr Corp.Asegúrese de leer detenidamente la información sobre esta oportunidad antes de presentar su candidatura.is seeking Back End Developers in Madrid to design, build, and optimize the server-side systems and APIs that power AI products — from data pipelines and model-serving infrastructure to scalable microservices that handle real-world...

We're a fast-growing startup building a recruitment platform. Our product helps recruiters spend less time on manual work, using LLMs to automate screening, scoring and the workflows around them. Si desea conocer los requisitos para este puesto, siga leyendo para obtener toda la información relevante.What you'll doYou'll own features end to end - from API...

**Senior Software Engineer (Backend)****ABOUT LINGO**Lingo is building a cutting‑edge digital health platform that fuses continuous biosensor data, high‑performance backend engineering, and advanced analytics to help people live healthier, longer, fuller lives. Our systems process massive volumes of real‑time data, and the backend is the heartbeat that...

Backend developer needed to stabilize and extend a Medusa-based B2B e-commerce platform, integrating with SAP, Salesforce, and Snowflake, running AWS infrastructure, and building AI agents.

Principal Consultant | Open-Source, Embedded, CPU/GPU + Semiconductor Technologies Back End Developer (Python)***This is initially a Fixed Term Contract until the end of June 2026 - potential for extension/made permanent***We are working with a company that focuses on accelerating AI adoption, data literacy, and engineering capabilities through a combination...

Backend Developer for a health-tech product, responsible for building the back office using Node.Js and TypeScript. Requires expertise in Node.Js, SQL, Docker, Kubernetes, Git, and SSO.

Back End Developer / Integration EngineerCountry: SpainIT STARTS HERE Santander (www.santander.com) is evolving froma global, high-impact brandinto atechnology-driven organization, and our people are at the heart of this journey.Together, we are driving acustomer-centric transformationthat values boldthinking, innovation, and thecourage to challengewhat’s...

JOIN KLEO AND BUILD THE FINANCING INFRASTRUCTURE FOR EUROPE'S COMPANIES Kleo ( is an AI-native platform that helps compaies find, match, manage, and monitor their entire financing stack: public grants,