668 backend developer English-speaking jobs in Spain
Backend Engineer
- Fourthline
- Catalonia
- October 19
As a backend engineer at Fourthline, you will: Design, develop, maintain, and improve our microservices ... Account Verification (BAV) + Qualified Electronic Signatures (QES) teams in Barcelona—we’re looking for a Backend
Senior Full-Stack TypeScript Engineer
- Adsearch
- Spain
- November 5
Responsabilities: • Design, build, and maintain TypeScript code across frontend (React) and backend ... solid JavaScript fundamentals • Proven React experience building complex, data-heavy UIs • Node.js backend
Senior Full-Stack TypeScript Engineer
- Adsearch
- Chazo
- November 5
Responsabilities: • Design, build, and maintain TypeScript code across frontend (React) and backend ... solid JavaScript fundamentals • Proven React experience building complex, data-heavy UIs • Node.js backend
Senior Full-Stack TypeScript Engineer
- Adsearch
- Valencia
- November 5
Responsabilities: • Design, build, and maintain TypeScript code across frontend (React) and backend ... solid JavaScript fundamentals • Proven React experience building complex, data-heavy UIs • Node.js backend
Senior Full-Stack TypeScript Engineer
- Adsearch
- Vitoria-Gasteiz
- November 5
Responsabilities: • Design, build, and maintain TypeScript code across frontend (React) and backend ... solid JavaScript fundamentals • Proven React experience building complex, data-heavy UIs • Node.js backend
Senior Full-Stack TypeScript Engineer
- Adsearch
- Cequelinos
- November 5
Responsabilities: • Design, build, and maintain TypeScript code across frontend (React) and backend ... solid JavaScript fundamentals • Proven React experience building complex, data-heavy UIs • Node.js backend
Senior Full Stack with .NET and React or Angular (Hybrid - Madrid)
- UST España & Latam
- Madrid
- October 23
degree in Software Engineering, Computer Science or similar Experience in application development with backend ... development, operation, support and maintenance of various IT services 💡 Mandatory requirements: Fullstack developer
FullStack Developer AI
- Capitole
- Spain
- November 5
Mission The service needs a Senior Full Stack Software Developer to be supporting our team on scaling ... Technical Expertise's: Proven expertise in full stack development with Python (backend) and React
FullStack Developer AI
- Capitole
- Cequelinos
- November 5
Mission The service needs a Senior Full Stack Software Developer to be supporting our team on scaling ... Technical Expertise's: Proven expertise in full stack development with Python (backend) and React
FullStack Developer AI
- Capitole
- Vitoria-Gasteiz
- November 5
Mission The service needs a Senior Full Stack Software Developer to be supporting our team on scaling ... Technical Expertise's: Proven expertise in full stack development with Python (backend) and React
FullStack Developer AI
- Capitole
- Valencia
- November 5
Mission The service needs a Senior Full Stack Software Developer to be supporting our team on scaling ... Technical Expertise's: Proven expertise in full stack development with Python (backend) and React
FullStack Developer AI
- Capitole
- Chazo
- November 5
Mission The service needs a Senior Full Stack Software Developer to be supporting our team on scaling ... Technical Expertise's: Proven expertise in full stack development with Python (backend) and React
Backend Engineer (Node.js/Typescript) - IOC
- Deloitte
- Madrid
- November 5
At Deloitte we're growing our engineering team for IOC (International Olympic Committee) and looking for a Kafka Engineer / Node. js Consultant who's passionate about modern architectures, scalable solutions, and cutting-edge technology.
Senior Java Backend Engineer (Hybrid - Madrid)
- UST España & Latam
- Madrid
- November 6
We are looking for a Senior Java Backend Engineer with at least 6 years of experience to join the project ... Design, develop, deploy, and monitor backend applications; participate in code reviews and feature planning
Mid-Level Backend Engineer (JVM+ML)
- Parser
- Madrid
- October 8
Role Overview We're seeking a passionate and experienced SW Engineer to join the Revenue Optimization ML team. This high-impact role combines infrastructure expertise with applied MLOps knowledge, requiring proficiency in software engineering, distributed systems, and machine learning operations.
AI / ML Engineer
- PropHero
- Barcelona
- October 31
Requirements: Strong backend/software engineering skills in Python. ... Solid expertise in API design, system architecture, and backend development. ... You will design and optimize backend systems using AWS, integrate AI models with databases and APIs, ... Responsibilities: Platform Engineering: Design and maintain backend systems (AWS, Python) to support
Senior Back End Engineer
- Waltz
- Spain
- November 5
You'll own critical parts of our backend: designing, building, and optimizing APIs, services, and ... Requirements 8+ years of backend development experience, with a track record in B2C / consumer-scale ... The Role We're looking for a Senior Backend Engineer who thrives on solving complex scaling challenges ... Responsibilities Architect, develop, and maintain backend services using Node.js, TypeScript, PostgreSQL
Senior Back End Engineer
- Waltz
- Valencia
- November 5
You'll own critical parts of our backend: designing, building, and optimizing APIs, services, and ... Requirements 8+ years of backend development experience, with a track record in B2C / consumer-scale ... The Role We're looking for a Senior Backend Engineer who thrives on solving complex scaling challenges ... Responsibilities Architect, develop, and maintain backend services using Node.js, TypeScript, PostgreSQL
Senior Back End Engineer
- Waltz
- Cequelinos
- November 5
You'll own critical parts of our backend: designing, building, and optimizing APIs, services, and ... Requirements 8+ years of backend development experience, with a track record in B2C / consumer-scale ... The Role We're looking for a Senior Backend Engineer who thrives on solving complex scaling challenges ... Responsibilities Architect, develop, and maintain backend services using Node.js, TypeScript, PostgreSQL
Senior Back End Engineer
- Waltz
- Vitoria-Gasteiz
- November 5
You'll own critical parts of our backend: designing, building, and optimizing APIs, services, and ... Requirements 8+ years of backend development experience, with a track record in B2C / consumer-scale ... The Role We're looking for a Senior Backend Engineer who thrives on solving complex scaling challenges ... Responsibilities Architect, develop, and maintain backend services using Node.js, TypeScript, PostgreSQL













