673 backend developer English-speaking jobs in Spain

  • Ocho
  • Cequelinos
  • December 5
Fully remote Multiple Engineering Roles (Engineer → Principal) | Backend Java or .NET | Fully Remote ... We're hiring backend engineers at all levels—from mid-level to principal—to build high-scale, secure ... Key Responsibilities Understand merchant and partner needs to deliver high-quality, innovative backend ... remote role anywhere in Spain Work directly with a high-growth global payments company Build robust backend ... What We're Looking For Strong experience in backend development with Java or .NET Solid understanding
  • Influencity - Influencer Marketing Platform
  • Spain
  • November 26
####### ONLY FOR RESIDENTS IN SPAIN ####### We are looking for a passionate Senior Full-Stack Developer ... Backend & Data: Proven experience with Express, GraphQL, Apollo Server, NestJS, and MongoDB. ... work closely with our Product and Design teams to develop complete Full-Stack features—from robust backend ... You won't just build the API; you will ensure the data flows seamlessly from our backend services ... Communication: Strong collaboration skills to bridge the gap between Backend, Frontend, Design, and Data
  • Influencity - Influencer Marketing Platform
  • Chazo
  • November 26
####### ONLY FOR RESIDENTS IN SPAIN ####### We are looking for a passionate Senior Full-Stack Developer ... Backend & Data: Proven experience with Express, GraphQL, Apollo Server, NestJS, and MongoDB. ... work closely with our Product and Design teams to develop complete Full-Stack features—from robust backend ... You won't just build the API; you will ensure the data flows seamlessly from our backend services ... Communication: Strong collaboration skills to bridge the gap between Backend, Frontend, Design, and Data
  • Influencity - Influencer Marketing Platform
  • Cequelinos
  • November 26
####### ONLY FOR RESIDENTS IN SPAIN ####### We are looking for a passionate Senior Full-Stack Developer ... Backend & Data: Proven experience with Express, GraphQL, Apollo Server, NestJS, and MongoDB. ... work closely with our Product and Design teams to develop complete Full-Stack features—from robust backend ... You won't just build the API; you will ensure the data flows seamlessly from our backend services ... Communication: Strong collaboration skills to bridge the gap between Backend, Frontend, Design, and Data
  • Influencity - Influencer Marketing Platform
  • Vitoria-Gasteiz
  • November 26
####### ONLY FOR RESIDENTS IN SPAIN ####### We are looking for a passionate Senior Full-Stack Developer ... Backend & Data: Proven experience with Express, GraphQL, Apollo Server, NestJS, and MongoDB. ... work closely with our Product and Design teams to develop complete Full-Stack features—from robust backend ... You won't just build the API; you will ensure the data flows seamlessly from our backend services ... Communication: Strong collaboration skills to bridge the gap between Backend, Frontend, Design, and Data
  • Influencity - Influencer Marketing Platform
  • Valencia
  • November 26
####### ONLY FOR RESIDENTS IN SPAIN ####### We are looking for a passionate Senior Full-Stack Developer ... Backend & Data: Proven experience with Express, GraphQL, Apollo Server, NestJS, and MongoDB. ... work closely with our Product and Design teams to develop complete Full-Stack features—from robust backend ... You won't just build the API; you will ensure the data flows seamlessly from our backend services ... Communication: Strong collaboration skills to bridge the gap between Backend, Frontend, Design, and Data
  • UST España & Latam
  • Spain
  • November 19
Desired Skills: Previous experience in web or backend development (Java, .NET, JavaScript). ... We are looking for a Mendix Developer, with a solid technical foundation and strong motivation to grow
  • UST España & Latam
  • Valencia
  • November 19
Desired Skills: Previous experience in web or backend development (Java, .NET, JavaScript). ... We are looking for a Mendix Developer, with a solid technical foundation and strong motivation to grow
  • UST España & Latam
  • Chazo
  • November 19
Desired Skills: Previous experience in web or backend development (Java, .NET, JavaScript). ... We are looking for a Mendix Developer, with a solid technical foundation and strong motivation to grow
  • UST España & Latam
  • Vitoria-Gasteiz
  • November 19
Desired Skills: Previous experience in web or backend development (Java, .NET, JavaScript). ... We are looking for a Mendix Developer, with a solid technical foundation and strong motivation to grow
  • UST España & Latam
  • Cequelinos
  • November 19
Desired Skills: Previous experience in web or backend development (Java, .NET, JavaScript). ... We are looking for a Mendix Developer, with a solid technical foundation and strong motivation to grow
  • European Tech Recruit
  • Aragon
  • November 24
Backend Engineer - Quantum + AI - 9 months contract - Zaragoza, SpainJoin a European deep-tech leader ... is already reshaping how AI is deployed worldwide.As the business expands we are now looking for a Backend ... join the team in Zaragoza.Required Qualifications:2–5 years of experience developing and maintaining backend ... Grafana, OpenTelemetry)Demonstrated ability to collaborate with product and design teams to define backend
  • Ovyo
  • Madrid
  • November 21
The project centres around a content management system (C-Controls backend). ... Job Title: Senior Backend (Java) Engineer Location: Madrid, Stockholm, Hong Kong or Singapore Start Date ... Summary: This role focuses on upgrading a large internal production system - specifically a Java-based backend
  • UST España & Latam
  • Madrid
  • December 4
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
  • Parser
  • Madrid
  • November 12
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.
  • MusicInfra
  • Madrid
  • November 13
Expertise in writing production-grade Python code for backend systems. ... Backend development: Implement APIs and services that process and expose music data at scale. ... Qualifications 5+ years of professional software development experience, with significant exposure to both backend
  • Connect Vision International
  • Vitoria-Gasteiz
  • December 6
Senior CRM Developer – Remote | 6-Month Contract (Autónomo) As a Senior CRM Developer with a focus on ... Senior CRM Developer Location: Fully remote Start date: 01.01.2026 (flexible) Contract: 6 months + ... including Windows platform development and database design How to Apply If you're a senior-level CRM Developer
  • Connect Vision International
  • Chazo
  • December 6
Senior CRM Developer – Remote | 6-Month Contract (Autónomo) As a Senior CRM Developer with a focus on ... Senior CRM Developer Location: Fully remote Start date: 01.01.2026 (flexible) Contract: 6 months + ... including Windows platform development and database design How to Apply If you're a senior-level CRM Developer
  • Connect Vision International
  • Valencia
  • December 6
Senior CRM Developer – Remote | 6-Month Contract (Autónomo) As a Senior CRM Developer with a focus on ... Senior CRM Developer Location: Fully remote Start date: 01.01.2026 (flexible) Contract: 6 months + ... including Windows platform development and database design How to Apply If you're a senior-level CRM Developer
  • Connect Vision International
  • Spain
  • December 6
Senior CRM Developer – Remote | 6-Month Contract (Autónomo) As a Senior CRM Developer with a focus on ... Senior CRM Developer Location: Fully remote Start date: 01.01.2026 (flexible) Contract: 6 months + ... including Windows platform development and database design How to Apply If you're a senior-level CRM Developer
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