back end developer

Senior Backend Developer to design, build, and maintain scalable server-side architecture and APIs using Node.Js, focusing on real-time digital products and global scalability. Requires 5+ years of experience with databases, APIs, Docker, Kubernetes, and CI/CD.

We create trust in the digital age with integrated security technologies in three business areas: Digital Security, Financial Platforms and Currency Technology. At Payment Technology, our mission is to be at the start of every transaction and to make it secure and simple. We also create contemporary payment and banking solutions for our digital age. ...

Full-Stack Developer (Java, Python, Angular) con Inglés para Barcelona en modalidad híbrida (2 días presenciales a la semana y 3 en remoto) Ofrecemos la posibilidad de formar parte de una Compañía en continuo crecimiento, participando en innovadores proyectos que te permitirán completar tu formación y potenciar tus capacidades. Modalidad...

JOIND busca un/a Desarrollador/a Full Stack con 2 a 3 años de experiencia en backend y apoyo en frontend para proyectos innovadores en Donostia-San Sebastián. La persona se incorporará de forma presencial en nuestra sede y destacará por su autonomía y capacidad de trabajo en equipo.Se valorará experiencia en PHP con CakePHP (u otros como Laravel o...

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...

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...

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...

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...

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...

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...

Senior Fullstack Engineer - Spain - 100% Home Office Friendly (within +/- 2 hours of the UK) We're looking for a Senior Backend Engineer to join our Engineering team and drive exceptional product development for fans, venues and artists. It's a place where you can be yourself, influence the culture, and create work that you're proud of. As a Senior...