606 backend developer English-speaking jobs in Spain
Senior Backend Engineer with DevOps Skills (AWS + Kubernetes) - Remote (only Spain)
- VoltAI Innovations
- Cequelinos
- December 21
Proactively propose improvements in cost efficiency, reliability, automation, and developer experience ... Design, develop, and operate backend services and cloud infrastructure based on AWS and Kubernetes, ensuring ... ResponsibilitiesBackend & Microservices Develop and maintain backend services (ideally Python / FastAPI ... Required Skills (Hard Skills) Strong experience in backend development (ideally Python; Go, Java, or ... Take-Home Technical Test (4–6 hours, to complete within 1 week) A practical backend/DevOps exercise you
Senior Backend Developer (Python & FastAPI) (100% remote Spain)
- UST España & Latam
- Vitoria-Gasteiz
- November 25
We are looking for a Senior Backend Developer working close to one of our main clients in financial sector
Workflow Automation Developer
- LGT Digital Factory
- Catalonia
- December 23
LGT Digital Factory (Spain) S.L. is searching for a Workflow Automation Developer for our Barcelona Office.What ... Java-based open-source workflow engine executing BPMN 2.0 business processes.As a Workflow Automation Developer ... Do you have 2–4 years of experience in workflow automation or backend development and a strong passion ... Camunda).Solid knowledge of BPMN 2.0 (CMMN is a plus).Backend development experience with Java and Spring ... and maintain workflow solutions using Flowable (BPMN 2.0, CMMN where applicable).Develop and extend backend
Senior Backend Engineer
- Global M
- Barcelona
- December 17
Senior Backend Engineer: Build Next-Gen AI Products! ... Collaborate with leadership on end-to-end backend architecture. ... What We're Looking For: 5+ years of backend development experience. ... Are you a seasoned Backend Engineer ready to make a meaningful impact at a fast-growing startup? ... Key responsibilities include: Design and build scalable backend services and APIs for our AI platform
API Azure Senior Engineer
- Connect Vision International
- Vitoria-Gasteiz
- December 6
API Azure Senior Engineer (Backend Tech Lead) Location: Remote from Spain Contract: 12 month contract ... Tech Lead to design, architect, and deliver cloud-native backend solutions using Microsoft Azure and ... €35/hour (Gross) Start: ASAP Role Overview We are seeking an experienced API Azure Senior Engineer / Backend ... using .NET 6+ and C#. • Architect backend and integration solutions leveraging Azure Functions, Service ... Bus, AKS, APIM, and more. • Lead solution design, code reviews, best practices, and backend architecture
Front-End Developer – Madrid, Spain
- Athena Systems
- Madrid
- December 19
Athena Systems (Unitedfintech/Athena) is seeking a Front-End Developer to join our team in Madrid. ... components and application logic using HTML, CSS, JavaScript, and TypeScript. · Work closely with our backend
Software Backend Engineer
- ING España & Portugal
- Valencia
- December 5
for a talented and enthusiastic Software Engineer Backend to join us. ... Backend & Devops awareness (understand the global architecture / infrastructure). ... At ING we are looking for a Software Backend Engineer Your role and work environment: We are looking ... Your key responsibilities: As an experienced Software Engineer Backend, your aim will be: To design, ... As an expert in the Backend area, you specifically add value on that technical layer but always keep
Frontend Software Developer m/f/d (7926)
- FLYERALARM
- Spain
- November 29
You will develop professional web and backend applications, with agile software development, ensuring ... You are an expert developer with extensive experience in complex online stores. ... Frontend Software Developer m/f/d FLYERALARM is a leading e-commerce company specializing in print products
Software Developer — AI-Driven Engineer, Builder, and Innovator
- Athlera
- Las Palmas de Gran Canaria
- December 24
TypeScript and frameworks like Next.js or React Solid proficiency in Python and familiarity with modern backend ... You're a top-tier developer who thrives on solving complex problems and turning ideas into impact ... If you're the kind of developer who wants to build ambitious, world-class products — not just work
Backend Engineer - Investments
- N26 GmbH
- Barcelona
- December 3
As a Backend Engineer at N26, you will be encouraged to embrace the latest technological updates and
(Senior) Backend engineer
- Pepper Advantage
- Madrid
- December 13
About the role The (Senior) Backend engineer is a key new appointment to Project PRISM who will work ... (Senior) Backend engineer will be a can do, high achieving individual who will bring their product and
Back End Developer
- Talcom
- Madrid
- November 26
/) as the first Backend Engineer in a company built around artificial intelligence. ... Strong Python skills and experience building backend services (FastAPI preferred). ... Backend Engineer (Python) – AI Health Tech Startup, Madrid/Amsterdam You will join Entera (https://en-tera.com ... The work combines backend development, data design, and lightweight cloud deployment in a small team ... You will design, build, and maintain the backend services and APIs that connect our AI models, laboratories
Fullstack Engineer
- E-Frontiers
- Cequelinos
- December 18
At E-Frontiers, we're looking for a Fullstack Developer with approximately 5 years of experience ... Backend: Proficiency in Node.js with JavaScript/TypeScript and experience building RESTful APIs.
Senior Full Stack Engineer
- osapiens
- Madrid
- December 16
As a Senior Full-Stack Developer, you'll play a key role in shaping the future of Business Partner ... Skills, Knowledge and Expertise Strong experience in full-stack development with a focus on Backend (
Frontend Developer (Remote)
- Quantum One | Q One
- Catalonia
- December 19
into real-world impact — you’ll fit right in.What You'll DoCollaborate with product designer and backend
Full Stack Engineer
- Shakers
- Madrid
- December 14
What You'll Do Design and scale backend services using TypeScript/Node.js, AWS, and Postgres. ... These systems combine backend services, intelligent automation, and data-driven decision layers to support ... You'll work on systems that integrate AI capabilities, backend services, and modern web applications ... Collaborate closely with product and design teams to deliver end-to-end features (backend and frontend
Full Stack Engineer - (M/F/D)
- ITC Infotech
- Vitoria-Gasteiz
- December 24
Experience in backend technologies like Java or Python. ... Fluently code as a full stack developer. Work with Open-source technologies and applications. ... Create a robust backend for massive scalability and high performance.
Senior Java Engineer
- Wizeline
- Barcelona
- December 12
Troubleshoot complex backend issues, perform root-cause analysis, and provide long-term improvements ... sure you're a good fit for the role: Key Responsibilities Design, build, and maintain scalable backend ... Develop and optimize RESTful APIs, microservices, and backend components following best engineering practices ... Must-have Skills 5+ years of backend engineering experience working with Java and Spring Boot in production
Senior Software Engineer
- 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
Mid-Level Backend Engineer (JVM+ML)
- Parser
- Madrid
- December 6
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.
















