271,484+ Java Backend Engineer Python Data Api Integrations Jobs in Spain — Top Companies Hiring June 2026

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Senior .NET Backend Engineer – Gaming & Azure

Una empresa de consultoría tecnológica busca un/a Senior .NET Developer con sólida experiencia en el desarrollo backend para incorporarse a un importante cliente del sector gaming. Se requiere capacidad para diseñar arquitecturas escalables y trabajar con bases de datos NoSQL, principalmente MongoDB. Se ofrece u ...

Senior Backend Engineer (m/f/d)

Overview Location: Barcelona. We are looking for a talented and motivated Senior Backend Engineer (m/f/d) for our new Driver Onboarding team. As part of a cross-functional team, you will help shape the future of mobility with FREENOW and assist our drivers in their daily work. Our team fo ...

Senior Backend Engineer – Driver Onboarding Platform

A leading mobility service provider in Barcelona is looking for a passionate Senior Backend Engineer to join their Driver Onboarding team. This role involves designing and implementing a seamless driver registration process and developing automated systems for document validation. The ideal candidate should have ...

Staff Engineer LiveOps Backend & Observability Champion

A leading mobile game company in Barcelona is seeking a Staff Engineer to enhance their live game operations. You will focus on C# services, APIs, and data pipelines, collaborating with diverse teams to create reliable and scalable solutions. Ideal candidates have a strong background in C# development, experienc ...

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 ...

Backend Engineer (TypeScript) for Crypto Platforms

A technology recruitment platform is seeking a Backend Engineer to own backend systems for a crypto and self-custody platform. This role involves designing, implementing, and operating scalable backend services using Go and TypeScript, while ensuring high code quality and performance. Candidates should have expe ...

Hybrid QA Automation Engineer (Backend) – Alicante

A leading security services provider is looking for a QA Automation Engineer to join their technology team in Alicante, Spain. This role focuses on developing and executing test strategies to ensure product quality while collaborating with cross-functional teams. The ideal candidate will have 3–5 years of experi ...

Telematics Software Engineer — IoT & Cloud Backend

Una empresa líder en movilidad en Barcelona busca un Desarrollador Backend con experiencia en Kotlin o Rust. Tu responsabilidad será integrar dispositivos IoT y diseñar software de backend para optimizar la conectividad de la flota de vehículos. Ofrecemos un entorno técnico diverso y multicultuarl, donde aprende ...

Senior Backend Engineer – Global Payments Platform

A global leader in employee benefits seeks a Senior Backend Engineer in Madrid. You will design and optimize robust backend services for seamless payment solutions. Ideal candidates possess outstanding software engineering skills, proven experience with Node.js, and a systematic approach to problem-solving. This ...

Senior Backend Engineer – Payments (Hybrid Madrid)

A global employee benefits company in Madrid is seeking a Senior Backend Engineer to join their Payments Squad. In this pivotal role, you'll design robust backend services, evolve distributed architectures, and ensure operational excellence with a focus on transaction accuracy and fault tolerance. Ideal candidat ...

Go Backend Engineer — Cloud Native Microservices

A leading software development company in Madrid is looking for a Backend Developer (Go) to modernize a large-scale platform by creating cloud-native services. You'll be responsible for designing scalable microservices and managing infrastructure. Ideal candidates need 5+ years of backend experience, strong Go s ...

Azure Cloud Solutions Engineer (Backend & Automation)

Nationale-Nederlanden in Madrid is looking for a Cloud Solution Developer to create and innovate backend solutions using Azure PaaS. The ideal candidate will oversee system integration, automation processes, and collaborate within a hybrid agile team of experts. You will design solutions that enhance business ef ...

Senior Backend Engineer — ERP Automation & AI

BLP Digital in Madrid, Spain, is looking for an experienced Software Engineer to drive impact by collaborating with stakeholders and building high-quality software. The successful candidate will have a Bachelor's or Master's degree in Computer Science and over 5 years of relevant experience. Key responsibilities ...

IVR & Contact Center Backend Engineer (Microservices)

Panel Sistemas Informaticos busca un ingeniero backend especializado en Callflows y IVR en Madrid, España. Se requiere experiencia en diseño, desarrollo y mantenimiento de flujos de llamada, integraciones de voice bots, y arquitecturas de microservicios. Buscamos un perfil con sólidos conocimientos técnicos en J ...

Backend Engineer ASP.NET, SQL, Flexible Hours

A leading software development company in Spain is seeking a Senior Backend Developer to accelerate delivery and support the development of backend systems. You will develop and maintain backend applications and work closely with the team to ensure smooth project execution. The ideal candidate has strong experie ...

Software Engineer Backend for Medical Applications

Full-Stack Software Developer with focus on Backend for Medical Applications Key Responsibilities Collaborate in an international team with strong remote collaboration habits (clear communication, transparent planning, proactive alignment). Analyze requirements and ...

Senior Backend Engineer Shape Scalable Systems

A leading supply chain compliance company based in Barcelona is seeking a Senior Backend Engineer to join their Tech department. The role involves guiding backend architecture, mentoring peers, and working with an international team. Candidates should have strong backend expertise, proficiency in clean architect ...

Remote Backend Engineer: Scalable Systems & APIs

Flight Centre Travel Group is seeking a Back End focused engineer to join their team in Barcelona. The role involves developing high-quality software, mentoring junior engineers, and ensuring best practices are followed in software architecture. Ideal candidates should have over 6 years of experience, strong ski ...

Senior Backend Engineer: PHP/Symfony & Hexagonal

Timup busca un/a Senior Backend Developer en Barcelona para modernizar su plataforma tecnológica. Participarás en un entorno de microservicios, migrando aplicaciones legacy y desarrollando APIs REST. Debes tener experiencia en PHP, Symfony y Laravel, así como en Docker y AWS. Buscamos una persona capaz de trabaj ...

Go Backend Engineer — Developer Experience & Kubernetes

Schwarz Digits, located in Barcelona, is looking for experienced backend developers to join their digital transformation efforts. You will work with Go, Docker, and Kubernetes to design and maintain backend services while collaborating with a cross-functional team. Ideal candidates should have strong experience ...

Hybrid Spark/Scala Backend Engineer (ETL)

A leading technology company in Madrid is seeking a Spark/Scala Developer to contribute to ETL processes within an Agile environment. The ideal candidate will have a basic knowledge of Spark and Scala, and experience with JIRA is preferred. This position offers flexible working options, allowing you to work from ...

Backend .NET Engineer: Modernize Legacy & APIs

Una empresa innovadora de tecnología en Madrid busca un Backend Developer para optimizar y modernizar su sistema actual. Se requiere dominio en Visual Basic y .NET Core, así como experiencia en migración de módulos y desarrollo de APIs RESTful. Ofrecen un salario entre 30-35K y un modelo de trabajo híbrido. Se v ...

Senior Backend Engineer (m/f/d)

Location : Come and join us in Barcelona! We are looking for a talented and motivated Senior Backend Engineer (m/f/d) for our new Driver Onboarding team. As part of a highly skilled, cross‑functional team comprising Fullstack Engineers, Backend Engineers, a Product Manager, a ...

Senior Backend Engineer: Driver Onboarding & Validation

A European mobility platform is seeking a talented Senior Backend Engineer in Barcelona. You will join a cross-functional team focused on optimizing the driver onboarding process. Responsibilities include enhancing automated document validation systems and collaborating with multiple teams to improve the driver ...

Lead .NET Backend Engineer — REST & CQRS

Una empresa del sector tecnológico en Madrid busca un/a desarrollador/a Backend como Team Lead. La persona seleccionada desarrollará soluciones tecnológicas utilizando .NET 6/7/8 y diseñará bases de datos SQL. Se valoran habilidades en comunicación y trabajo en equipo, así como la capacidad de aprender nuevas te ...

Senior Backend Engineer (Golang) – Barcelona Onsite

A leading technology company is expanding their Tech team, seeking a Senior Software Engineer to enhance backend systems in Barcelona. This role involves designing and developing APIs, ensuring high-quality, testable code, and collaborating with product teams. Candidates should have extensive backend development ...

Staff Backend Engineer Content Distribution Engineering

About The Role Join our team as a Staff Software Engineer and play a crucial role in driving our organisation's growth through the development of outstanding products. LeoVegas Group is building something special – a world‑class team dedicated to creating the best Sportsbook platform in t ...

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 Backend Engineer — Scalable IoT Platform

HiveMQ is seeking a skilled software engineer to join its development team in Madrid. The role involves architecture, development, and maintenance of the HiveMQ platform for large IoT deployments, ensuring high scalability and availability. Candidates should have over 5 years of experience in backend development ...

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 ...

Senior Golang Backend Engineer (Portugal/Spain)

About the project Impressit is looking for a Senior Golang Backend Engineer to join a cross‑functional product team working on distributed backend systems. This is a great opportunity to contribute to a product with real‑world usage, while working with modern technologies and international teams. ...

Senior .NET Backend Engineer — Microservices & Azure

Tata Consultancy Services seeks a seasoned .NET Developer to join the team in Madrid. The role involves designing and maintaining backend services using C# and .NET within a microservices and event-driven architecture. Ideal candidates will have 8+ years of experience with strong expertise in Azure services, SQL ...

Remote Scala Backend Engineer – Microservices & Kafka

Signify Technology is seeking a Scala Developer to join their Backend team, working remotely across Europe. The role involves engaging in exciting new projects and deploying features in microservices to enhance customer engagement on the platform. The ideal candidate will have extensive experience with Scala and ...

Backend Engineer, Wallets: Scalable & Secure Microservices

Framework Ventures in Madrid is looking for a backend developer to contribute to innovative projects aimed at building robust and secure solutions for Tether's platform. The role requires proficiency in Node.js and JavaScript, along with experience in microservices architecture and database interactions. The ide ...

Innovative .NET Backend Engineer (C# & Azure)

DEKRA Digital & Product Solutions is looking for a .Net Backend Developer in Málaga, Spain. The role focuses on developing .NET C# solutions, following best practices, and ensuring optimal performance. Candidates should have a Bachelor's degree in a STEM field and 2+ years of relevant experience. Knowledge of Az ...

Senior Backend Engineer: Spring Boot & Microservices

Una empresa innovadora en el sector alimentario busca un Senior Backend Developer para liderar proyectos de software y decisiones estratégicas. Este rol es clave para la transformación cultural de equipos en expansión y la mejora continua de procesos. Con un enfoque en soluciones sostenibles y un ambiente intern ...

Senior Kotlin Backend Engineer — Cloud & DevOps

A leading electronics retailer in Spain seeks a software developer to join its Global Loyalty team. This role involves designing robust backend services using Kotlin and managing scalable cloud applications on Google Cloud. Candidates should have over 5 years of experience and be familiar with tools like Docker, ...

AI Driven Node.js & C++ Backend Engineer

A leading IT solutions provider in Alcobendas is looking for an AI-Driven Software Engineer focused on backend development using Node.js and C++. The role involves optimizing systems and utilizing AI tools to enhance productivity. Strong English communication skills are essential for collaboration within an inte ...

AI Driven Backend Engineer (Node.js & C++)

A technology company located in Alcobendas is seeking an AI-Driven Software Engineer skilled in Node.js and C++. The ideal candidate will transform architectural specifications into production-ready code and leverage AI tools to enhance development speed. Responsibilities include developing backend components, m ...

Senior Backend Engineer (Node.js, TypeScript) – Lisbon

An innovative tech company in Madrid is seeking a passionate Backend Software Engineer to design and maintain server-side components of applications. The ideal candidate should have over 5 years of experience, strong skills in Node.js and TypeScript, and familiarity with cloud platforms like GCP. You'll collabor ...

AI Backend Engineer: Document Conversion & OCR

A leading translation software company in Barcelona is seeking a passionate Backend Developer to enhance AI-driven document processing. In this role, you will lead projects converting unstructured PDFs into editable documents, utilizing your expertise in Python and OCR technologies. Join an innovative team and h ...

Product Software Engineer (Backend AI Oriented)

En Docline hacemos la sanidad más accesible a través de la tecnología. Construimos la plataforma digital de salud y la red de médicos digitales que conecta a personas y organizaciones con atención médica de calidad, en cualquier lugar y en cualquier momento. Buscamos un Product Softwa ...

Lead Platform Engineer – Backend Modernization (Remote)

Senior Software Engineer – Platform & Modernization English Language Learning (ELL) – Assessments Technology Department: English Language Learning (ELL) Job family: Software Engineering Contract: Full‑time (FTE) Location: Hybrid / Full Remote (Spain or Poland) <str ...

Backend Engineer Scalable .NET Microservices & Cloud

BML Group in Spain is looking for a Backend Software Engineer to join their Player Rewards & Gamification-Product Development team. This role involves designing and developing distributed backend services using .NET and event-driven architecture, while promoting customer engagement and loyalty. The ide ...

Senior Backend Engineer Games Platform & Scale

Socialpoint in Madrid is looking for a skilled Backend Engineer to work on game services enjoyed by millions. The role involves maintaining the backend systems, collaborating with various team roles, and contributing to the tech strategy of our games. The ideal candidate should have at least 3 years of ...

Senior Backend Engineer Node.js & AWS (Remote)

Jobgether is seeking a Senior Backend Engineer (Node.js + AWS) to build high-performance backend systems. In this role, you will design scalable architectures and develop robust APIs while working in a collaborative remote-first environment. The ideal candidate has 8+ years of experience, advanced skil ...

Backend Engineer Global Markets Risk Unit

Excited to grow your career?BBVA is a global company with more than 160 years of history that operates in more than 25 countries where we serve more than 80 million customers. We are more than 121,000 professionals working in multidisciplinary teams with profiles as diverse as financiers, legal experts, data sci ...

Senior Backend Engineer: Go, Cloud & Scalable

Giesecke & Devrient GB Ltd. is seeking a Backend Software Developer with over 5 years experience to join our team in Barcelona, España. The role involves hands-on work with advanced Golang, distributed systems, and modern cloud technologies, ensuring security, scalability, and reliability. Key responsi ...

AI Backend Engineer — Cloud & MLOps (Hybrid)

Ultimate.ai is seeking an AI Engineer in Barcelona to design and deploy solutions in data analytics and machine learning. This hybrid role involves working with interdisciplinary teams and requires proficiency in Python and cloud environments. The ideal candidate has a degree in a relevant field and 3+ ...

Senior .NET Backend Engineer — Remote/Hybrid

Techsbcn busca un Desarrollador Backend de .NET para unirse a su dinámico equipo en Monterroso, Galicia. Buscamos profesionales con al menos 6 años de experiencia en tecnologías .NET, Docker, Kubernetes y metodologías ágiles. La oferta incluye un contrato fijo, posibilidad de trabajo remoto o híbrido y divers ...

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