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Fullstack Engineer — Barcelona Work & Study (Funded MSc)

HARBOUR.SPACE in Barcelona is looking for a mid-level Fullstack Developer to join Mediquo through a Work & Study Programme. This role includes hands-on development and covers a fully-funded Master’s degree in Computer Science. Candidates should have 3+ years of fullstack experience, database skills, and proficie ...

Shopify Fullstack Engineer: Liquid & API Expert

Publicis Groupe España is seeking a Shopify Fullstack Developer to join their development team in Alicante, Spain. The ideal candidate will excel in developing custom solutions and integrations with Shopify APIs, while understanding the impact of their work on conversion and user experience. Skills required incl ...

Fullstack Engineer — Barcelona Work & Study (Funded MSc)

HARBOUR.SPACE in Barcelona is looking for a mid-level Fullstack Developer to join Mediquo through a Work & Study Programme. This role includes hands-on development and covers a fully-funded Master’s degree in Computer Science. Candidates should have 3+ years of fullstack experience, database skills, and proficie ...

Full Stack Software Engineer AI First (Angular and Java)

Traditional compliance is slow and manual. At WorkFlex, we have built the platform that automates it. We are looking for experienced Fullstack Product Engineers who want to build high‑scale systems using the most advanced agentic workflows available. At WorkFlex, we operate differently. We don’t wa ...

Software Engineer, Java and Spring Boot

The Eclipse Foundation is a globally recognized nonprofit organization that supports a vibrant community of open source projects and contributors. With a commitment to vendor neutrality and transparency, we provide a collaborative environment for innovation across industries including cloud, edge, AI, and ...

Fullstack Engineer: Build Scalable Cloud Apps (Python/React)

Capitole busca un/a Fullstack Engineer para unirse a su equipo en Barcelona. Este rol demanda pasión por la tecnología y experiencia en desarrollo de productos cloud escalables. Las responsabilidades incluyen diseñar y desarrollar plataformas, construir soluciones fullstack y garantizar la calidad del software. ...

Senior Fullstack Engineer TS/Node/React (Remote EU)

THRYVE is seeking a Senior Fullstack Software Engineer (Node.js, React, TypeScript) to work remotely within the EU. This role involves building and scaling product features, designing APIs, and collaborating with ML engineers. The ideal candidate has strong experience in Node.js and React, along with a solid und ...

Back End Developer

At Lognext we have been accompanying companies and teams for more than 18 years to identify and implement the technology necessary to advance, making their challenges and objectives our own and getting closer to their reality. Therefore, being a NEXTER means that your career and talent become meaningful to yo ...

Senior.NET Backend Engineer Europe, 100% remote

Join our fully remote, mission-driven team dedicated to pioneering sustainable inflight service management. Work on innovative technology solutions with global impact, collaborate within a diverse, international environment, and continuously enhance your skills through ongoing learn ...

Senior.NET Backend Engineer Europe, 100% remote

Join our fully remote, mission-driven team dedicated to pioneering sustainable inflight service management. Work on innovative technology solutions with global impact, collaborate within a diverse, international environment, and continuously enhance your skills through ongoing learn ...

Remote Scala Backend Engineer | Microservices & Architecture

A tech company specializing in integration platforms in Madrid is seeking an experienced Software Developer. The ideal candidate will have over 6 years in software development, including more than 3 years focusing on Scala and XP methodologies. Responsibilities include team mentoring and solving complex technica ...

Remote Backend Engineer – AI Safety & Infra

A cutting-edge AI technology firm in Barcelona seeks a Back-End Engineer to shape infrastructure for generative AI. You will maintain and secure a Python FastAPI backend, design scalable APIs, and implement best practices for security and compliance. Ideal candidates have 3+ years of experience and strong skills ...

Senior Python Engineer Remote, Scalable Backend

A leading sports gaming company is on the lookout for a Senior Python Engineer to design and maintain high-performance backend systems. The role involves collaborating with teams across locations, ensuring scalable and reliable solutions, and mentoring junior engineers. Candidates should have extensive experienc ...

Backend Team Lead (.NET) Full remote

Social Discovery Group (SDG) is one of the world’s largest groups of social discovery companies, uniting millions of users on dozens of products. SDG solves the problem of loneliness, isolation, and disconnection - transforming virtual intimacy into the new normal. SDG products redefine the way people inte ...

Remote Senior Backend Engineer, Clearing & Settlement

Jobgether in Madrid seeks an experienced Backend Engineer to design and maintain systems for financial transactions. The role includes ownership of complex projects, development of new services, and performance optimization in a globally distributed team. Candidates should have 5+ years of experience, strong ski ...

Senior Backend Engineer Remote, APIs & Microservices

Rain is looking for a Senior Software Engineer in EMEA. This remote position involves managing backend platform areas, including API integrations with 3rd-party vendors. The ideal candidate has at least 5 years of experience, is proficient in backend languages like Go and Python, and skilled in creating scalable ...

Senior Kotlin Backend Engineer — Remote & Flexible

Volkswagen Digital:Hub in Valencia is looking for a Backend Developer with at least 4 years of experience, including 2 years in Kotlin. Responsibilities include developing web applications, collaborating with teams, and mentoring junior developers. The role offers fully remote work options, professional developm ...

Senior Kotlin Backend Engineer Remote & Growth

AgileEngine, LLC. is seeking a Senior Backend Engineer to design and maintain scalable backend systems for a high-scale consumer dating platform. You will work with Kotlin and AWS services, mentor junior engineers, and lead projects from design to delivery. The role requires 5+ years in backend Kotlin software e ...

Senior Kotlin Backend Engineer Remote & Growth

AgileEngine, LLC. is seeking a Senior Backend Engineer to design and maintain scalable backend systems for a consumer dating platform. The ideal candidate has over 5 years of experience in backend Kotlin engineering, strong cloud environment skills, and a proven track record with AI development tools. Key respon ...

Staff Backend Engineer, Treasury Management Remote

A progressive tech company in Madrid is seeking a Staff Backend Engineer for the Treasury Management team. The position involves designing and maintaining scalable backend systems primarily using Kotlin. You will have ownership of service architectures in a financial context and collaborate with cross-functional ...

Lead Python Engineer Backend & Scale (Remote)

A global software company is seeking a Python Engineer Team Lead to own the planning and delivery of platform roadmap items. The role involves leading a team of backend engineers, ensuring predictable delivery, and managing risks. Ideal candidates should have over 6 years of backend engineering experience, with ...

Senior Python Backend Engineer Remote & Growth

A tech company based in Barcelona is seeking a skilled backend developer to manage and enhance their products. The ideal candidate should have over 5 years of experience in Python and relational databases, as well as familiarity with tools like Docker. The role includes overseeing product ownership, collaboratin ...

Senior Backend Architect Multitenant IAM (Remote)

A leading EdTech company is seeking a Senior Backend Engineer in Madrid to architect their multitenant infrastructure. The role involves designing high-performance server-side applications using Python 3.x and implementing DDD and Clean Architecture. Candidates should have a strong background in statically typed ...

Senior Backend Engineer Kotlin Microservices (Remote)

Pleo is looking for a Senior Backend Engineer to join their team in Madrid, Spain. In this role, you'll design and maintain scalable microservices, primarily using Kotlin. Responsibilities include collaborating with cross-functional teams, analyzing system performance, and providing mentorship to other engineers ...

.NET Backend Engineer Remote, DevOps & Growth

NEORIS busca un Backend Software Engineer .NET en Madrid para diseñar y desarrollar software backend. Se requiere experiencia sólida en .NET Core y Entity Framework, conocimientos de APIs RESTful y bases de datos relacionales. El candidato ideal tendrá un buen nivel de inglés y formación técnica. Ofrecemos contr ...

GenAI Backend Engineer Remote & Impactful Innovation

OLX is seeking a Backend Engineer to join the Generative AI Innovation team in Barcelona. This role involves driving AI innovation, developing scalable and robust solutions, and collaborating with cross-functional teams. Candidates should have significant experience in Python, Cloud Native solutions, and a minds ...

Senior Desarrollador .NET Backend Azure – Remote

Una empresa de tecnología en la automoción busca un Desarrollador/a .NET Backend Azure para un proyecto SaaS. Se requiere más de 5 años de experiencia en .NET y C#, así como conocimientos en Docker y Azure. Se ofrece un entorno de trabajo remoto completo desde España y beneficios como formación, seguro médico pr ...

Backend Engineer — Golang, Remote & Flexible Hours

Giesecke+Devrient in Sant Joan Despí is looking for a Backend Software Developer to work with advanced Golang and cloud technologies. You'll develop secure and scalable systems, participate actively in requirement analysis, and implement both functional and non-functional requirements. The role offers a supporti ...

Senior .NET Backend Engineer | Flexible & Remote

Endalia en Zaragoza busca un desarrollador backend apasionado por la innovación y el trabajo en equipo. El rol incluye desarrollo de funcionalidades en su plataforma SaaS, colaboración con múltiples equipos y aplicación de buenas prácticas de desarrollo. Se valoran conocimientos en .NET, Entity Framework Core, S ...

Remote Senior Backend Engineer, AI Orchestration

Toptal is seeking an experienced Senior Backend Engineer to drive the development of their Agentic AI tooling platforms. This role involves strong technical leadership, requiring expertise in backend technologies such as Rust, alongside proficiency in async web frameworks and database management. The ideal candi ...

Senior Backend Engineer, Travel & Expenses — Remote

Spendesk is looking for a talented Software Engineer in Barcelona to join their Travel & Expenses squad. You will build and own backend features across their expense management platform, employing technologies like TypeScript and Node.js. Ideal candidates will have a customer-centric mindset, 5+ years in softwar ...

Senior Python Backend Engineer (Remote Spain)

A prominent home services company is seeking a Senior Backend Engineer to strengthen its technical foundations in Barcelona. The role involves designing and evolving scalable backend systems, ensuring reliability, and collaborating closely with business operations. Ideal candidates should have over 5 years of ba ...

Backend Software Engineer — Flexible, Remote Options

An innovative banking institution is seeking a skilled Software Backend Engineer based in Valencia, Spain. You will design, develop, and test software, ensuring quality and performance standards. Collaborating within a cross-functional team, you'll utilize your expertise in Java, Spring, and Microservices. The r ...

Remote Senior Backend Engineer — Mimir & Observability

Grafana Labs is seeking a Mimir Engineer to join their remote-first team, focusing on maintaining the Grafana Mimir OSS project and Grafana Cloud Metrics. The role involves collaborating on large-scale distributed systems, driving performance improvements, writing and reviewing code, and participating in on-call ...

Remote Scala Backend Engineer | Microservices & Architecture

A tech company specializing in integration platforms in Madrid is seeking an experienced Software Developer. The ideal candidate will have over 6 years in software development, including more than 3 years focusing on Scala and XP methodologies. Responsibilities include team mentoring and solving complex technica ...

Senior Python Engineer Remote, Scalable Backend

A leading sports gaming company is on the lookout for a Senior Python Engineer to design and maintain high-performance backend systems. The role involves collaborating with teams across locations, ensuring scalable and reliable solutions, and mentoring junior engineers. Candidates should have extensive experienc ...

Senior Backend Architect: Remote Multitenant IAM

An innovative learning platform in Spain seeks a Senior Backend Engineer to lead the development of their multitenant infrastructure. You will architect high-performance applications and share responsibility with product management through the entire product lifecycle. Ideal candidates should have expertise in m ...

Senior Backend Engineer – Microservices, Cloud & Remote

A leading financial institution in Spain seeks a talented Software Backend Engineer. Your role involves designing, developing, and testing backend components, contributing to an agile environment. Required expertise includes Java, Spring, Microservices, and CI/CD pipelines, with at least 5 years in a similar rol ...

Remote Node.js Backend Engineer — Microservices & APIs

Una empresa innovadora busca un Desarrollador Backend apasionado por el deporte y la tecnología para unirse a su equipo en Madrid. En esta emocionante función, serás responsable de desarrollar APIs robustas y escalables utilizando Node.js y TypeScript, contribuyendo a una plataforma que empodera a jóvenes atleta ...

Remote Node.js Backend Engineer (TypeScript, MongoDB)

A leading online travel agency is seeking a Node.js Engineer to design and build a modern backend. You will have 5+ years of backend development experience, especially with Node.js and MongoDB. This role offers 100% remote work within Spain and a competitive compensation package, along with various perks includi ...

Remote Python Backend Engineer — FastAPI & Snowflake

A leading IT solutions company is seeking a highly skilled Python Developer to join its Spanish team. The candidate will work remotely and focus on backend application development, contributing to robust data-driven solutions. Responsibilities include designing backend services and integrating systems while coll ...

Technical Lead: Backend & Cloud Architect (Remote)

Una empresa de consultoría tecnológica en Monterroso, Galicia, busca un Technical Lead para liderar soluciones técnicas en proyectos desafiantes. Tendrás un rol clave guiando a otros desarrolladores, asegurando la calidad del código y promoviendo buenas prácticas de desarrollo. Se valorará tu experiencia en Java ...

AI Software Engineer Backend & LLMs (Remote)

Una empresa de tecnología en Santiago de Compostela busca un/a Ingeniero/a Informático/a especializado/a en Inteligencia Artificial. El candidato ideal tiene un Grado en Ingeniería Informática y un Máster en Inteligencia Artificial. Se requiere experiencia en Spring Boot, APIs REST, y bases de datos. Las funcion ...

Senior Backend Engineer – Cloud & Observability (Remote)

A leading open-source software company seeks a technical leader to drive innovation in its remote team. You will own the architecture and reliability of mission-critical systems, lead large cross-functional projects, and define SLAs to maintain service excellence. Ideal candidates have robust experience in desig ...

Senior Backend Engineer – Cloud & Observability (Remote)

A leading open-source software company seeks a technical leader to drive innovation in its remote team. You will own the architecture and reliability of mission-critical systems, lead large cross-functional projects, and define SLAs to maintain service excellence. Ideal candidates have robust experience in desig ...

Senior Backend Engineer – Cloud & Observability (Remote)

A leading open-source software company seeks a technical leader to drive innovation in its remote team. You will own the architecture and reliability of mission-critical systems, lead large cross-functional projects, and define SLAs to maintain service excellence. Ideal candidates have robust experience in desig ...

Senior Backend Engineer – Cloud & Observability (Remote)

A leading open-source software company seeks a technical leader to drive innovation in its remote team. You will own the architecture and reliability of mission-critical systems, lead large cross-functional projects, and define SLAs to maintain service excellence. Ideal candidates have robust experience in desig ...

Senior Backend Engineer – Cloud & Observability (Remote)

A leading open-source software company seeks a technical leader to drive innovation in its remote team. You will own the architecture and reliability of mission-critical systems, lead large cross-functional projects, and define SLAs to maintain service excellence. Ideal candidates have robust experience in desig ...

Senior Backend Engineer – Cloud & Observability (Remote)

A leading open-source software company seeks a technical leader to drive innovation in its remote team. You will own the architecture and reliability of mission-critical systems, lead large cross-functional projects, and define SLAs to maintain service excellence. Ideal candidates have robust experience in desig ...

Senior Backend Engineer – Cloud & Observability (Remote)

A leading open-source software company seeks a technical leader to drive innovation in its remote team. You will own the architecture and reliability of mission-critical systems, lead large cross-functional projects, and define SLAs to maintain service excellence. Ideal candidates have robust experience in desig ...

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    Backend Fullstack Developer Java Remote Jobs in Spain Job Search Guide, Trends and Insights