programista back-end - backend developer

Acoru is redefining fraud prevention by acting before the transaction is initiated. We build high-performance, real-time risk assessment tools across cloud-native microservices and AI/ML integrations, with a focus on reliability and observability.Join a remote-first team headquartered in Madrid, tackling fraud across Europe, LATAM and the US. You will...

A global leader in FinTech is building a brand-new Engineering team and is looking for experiencedSenior 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...

Albertine builds white-label digital concierge experiences for luxury brands and their members. Our backend is a multi-tenant TypeScript API platform that powers the member-facing concierge apps, LMT — the internal platform agents use to manage members and operations — plus payments, recommendations, messaging, and a growing set of third-party...

Te consideras una persona curiosa, con iniciativa y capacidad para adaptarse a un entorno tecnológico en constante evolución? ¿Te gusta colaborar con otros equipos, compartir conocimiento y contribuir a simplificar lo complejo? ¿Te atraen los retos técnicos y la búsqueda constante de soluciones innovadoras apoyadas en nuevas tecnologías? ¿Buscas...

Fully remote (European Union) Engagement: Contract, ongoing (initial term to end of September 2027) Start: ASAP About the role Our client, a global industrial technology company, runs a B2B e-commerce platform and smart product catalogue built on Medusa, the open-source headless commerce engine. The backend is currently delivered by an external...

Descripción de la ofertaALTECH Solutions and Consulting SL is an engineering company specializing in the design, development, and integration of systems and solutions in the field of Information and Communication Technologies (ICT). The company was founded with the aim of building innovative solutions that provide value to its clients in the areas of...

We're a fast-growing startup building a recruitment platform. What you'll do You'll own features end to end - from API design and data models to the event-driven pipelines that support recruiters.Build and maintain Python backend services and REST APIs.Design serverless workflows using AWS Lambda, API Gateway, SQS, Step Functions, DynamoDB, PostgreSQL and...

Want to put your job search on autopilot? Join our platform, complete a 6-minute AI screening interview, and get auto-applied to 100s of high-paying roles.Sign up now at and let the opportunities come to you.The RoleWe are seeking an experienced Backend Engineer who is excited to build the technical backbone of a new generation travel platform. You'll...

Want to put your job search on autopilot? Join our platform, complete a 6-minute AI screening interview, and get auto-applied to 100s of high-paying roles.Sign up now at and let the opportunities come to you.The RoleWe are seeking an experienced Backend Engineer who is excited to build the technical backbone of a new generation travel platform. You'll...

Join a cybersecurity company making the digital world safer, operating at the intersection of advanced research and real-world security in the B2G space. Their work tackles some of the most sophisticated challenges in cybersecurity with a team that genuinely cares about the mission, craft, and each other. The culture values creativity, mutual support, and...

Join a cybersecurity company making the digital world safer, operating at the intersection of advanced research and real-world security in the B2G space. Their work tackles some of the most sophisticated challenges in cybersecurity with a team that genuinely cares about the mission, craft, and each other. The culture values creativity, mutual support, and...

REVER is a Barcelona based startup backed by Y-Combinator. REVER's mission is very ambitious: Change the way people buy by giving superpowers to shoppers. We are now obsessed on drastically improving the return experience both for the shopper and the e-commerce.The challenge is massive: We want to change a $2.5 Trillion industry. For that we have a...

REVER is a Barcelona based startup backed by Y-Combinator. REVER's mission is very ambitious: Change the way people buy by giving superpowers to shoppers. We are now obsessed on drastically improving the return experience both for the shopper and the e-commerce.The challenge is massive: We want to change a $2.5 Trillion industry. For that we have a...

Albertine builds white-label digital concierge experiences for luxury brands and their members. Our backend is a multi-tenant TypeScript API platform that powers the member-facing concierge apps, LMT — the internal platform agents use to manage members and operations — plus payments, recommendations, messaging, and a growing set of third-party...

NN Digital Hub is a subsidiary company of NN Group located in Madrid, Spain. We deliver IT services and solutions for the different international Business Units. Backend Engineer Your Impact as Backend Engineer: What are you going to do As a Node.js Backend Engineer, you will have plenty of opportunities to help us take the needed steps...

Lansweeper in Alicante is seeking a Senior Software Engineer who writes production-quality Go or Rust and designs distributed backend systems at scale. You will work on AI-assisted development, integrate AI/ML capabilities into product workflows, and mentor peers while collaborating with a 40-engineer Spain team. This hybrid role offers three days in the...

We are bsport. The place to be! bsport is an all-in-one platform combining boutique fitness and advanced technology. Our platform helps our partners manage their bookings, payroll, marketing and more, to streamline operations and boost their commercial success. Since we launched in 2019, we have already achieved the following: We’ve built a...

Backend Engineer Backend Engineer is a subsidiary company of Nationale Nederlanden Group located in Madrid, Spain. We deliver IT services and solutions for the different international Business Units from Nationale Nederlanden Group Node.js Backend Engineer , you will have plenty of opportunities to help us take the needed steps to modernise our...

Descripción de la ofertaALTECH Solutions and Consulting SL is an engineering company specializing in the design, development, and integration of systems and solutions in the field of Information and Communication Technologies (ICT). The company was founded with the aim of building innovative solutions that provide value to its clients in the areas of...

En JAKALA seguimos creciendo y buscamos un/a Backend Engineer para formar parte de un equipo de desarrollo en una Plataforma de IA escalable en nuestra oficina de Madrid, Barcelona, Gijón o Pamplona (o posibilidad de trabajo remoto). Estamos desarrollando una plataforma basada en arquitectura modular con dos backends principales: Node.js (servicios...