155,860+ Backend Engineer Java Python Jobs in Spain — Top Companies Hiring June 2026

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Go Backend Engineer — Cloud Native Microservices

A software development company in Barcelona is seeking a Backend Developer (Go) to modernize a large-scale platform. You will develop scalable microservices, manage infrastructure, and migrate legacy systems to cloud solutions. Candidates should have a Bachelor's degree in Computer Science, over 5 years of exper ...

Senior Backend Engineer Node.js/TypeScript | Hybrid

A global employee benefits firm in Madrid is seeking a Senior Backend Engineer to join their team. In this role, you'll design and optimize robust backend services that power payment solutions for millions of users. You'll need to have strong software engineering skills, experience in Node.js, and be passionate ...

Senior Backend Software Engineer, Auxiliary Squad

Senior Backend Software Engineer, Auxiliary Squad 1 week ago Be among the first 25 applicants Diabolocom is a leading European provider of AI‑first, cloud‑based contact centre (CCaaS) and customer experience (CX) solutions that help companies deliver seamless, personalised custome ...

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 ...

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 ...

Backend Software Engineer Gaming Platform (Hybrid)

A gaming technology company in Barcelona is looking for a Software Engineer to enhance their backend platform. You will have the opportunity to work in a collaborative environment, implementing modern software practices and contributing to the gaming experiences of thousands. The role offers a hybrid work model ...

Lead Backend Engineer (Adobe Commerce / Magento)

Decima builds and evolves complex commerce systems that power global brands. We’re looking for a Lead Backend Engineer who operates at an architect level but stays deeply hands‑on. Most of our clients already have large, business‑critical Adobe Commerce (Magento 2) platforms in plac ...

Backend Engineer – Go & Distributed Systems (Hybrid)

A leading financial services provider based in Barcelona is seeking a Backend Engineer to join its dynamic team. The role requires strong experience in backend technology development and offers an opportunity to work on impactful products. Candidates should have a product mindset and be comfortable working in a ...

Senior .NET Backend Engineer – Gaming & Azure

Descripción del puesto / Funciones En Pasiona buscamos un/aSenior .NET Developer con sólida experiencia en desarrollo backend para incorporarse a un importante cliente del sector gaming.Te unirás a un equipo técnico consolidado, trabajando en un entorno de producto digital en ...

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 ...

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 ...

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 ...

AI Backend Engineer — LLMs & Agents, FastAPI

A leading global communications firm is seeking an AI Developer to design backend architecture for conversational agents. Responsibilities include integrating with foundational models, developing APIs, and managing cloud infrastructure. Ideal candidates should have strong Python skills, experience with FastAPI, ...

Staff Backend Engineer — Architect Microservices (Remote)

A leading technology firm based in Madrid is looking for a Staff Backend Engineer to design and develop complex enterprise applications. You will lead backend architecture and mentor teams while working fully remotely. The ideal candidate will have 7+ years of experience in backend development and expertise in m ...

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 (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 ...

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 ...

AI Backend Engineer — Flexible, AI & LLMs

Amber-Green Facilities SL in Madrid is seeking an AI Backend Developer to join their sports tech team. You will design backend services that integrate AI and Large Language Models into products. The ideal candidate should have over 2 years of Python experience, proficiency in backend frameworks, and hands-on exp ...

Backend engineer NodeJS Program / Service Maritz

En estrecha colaboración con el responsable del producto CRM y el resto del equipo de desarrollo, desarrollará historias de usuario, corregirá errores y participará en la mejora de la calidad de la aplicación. Implementará los requisitos no funcionales definidos por el equipo CARE. También colaborará estrecha ...

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 ...

Senior Scala Backend Engineer – Remote/Hybrid

Valsea Technology in Marbella is seeking a self-driven Scala developer to design and maintain backend services. This role offers a hybrid working model, allowing for both remote and in-office options. Ideal candidates will have at least 3 years of experience in Scala and a strong focus on product value and us ...

Remote Senior Backend Engineer (Ruby/Go)

Workato is looking for a Senior Backend Developer to join their Engine team located in Bellprat, Spain. This role focuses on building and maintaining scalable applications related to Workato Recipe runtime, ensuring performance, durability, and concurrency. The ideal candidate will have strong experien ...

Senior Go Backend Engineer Observability Platform

New Relic, Inc. is seeking passionate engineers for a new observability experience. This role is crucial for building next-generation services and requires strong expertise in GoLang, distributed systems, and cloud platforms. You will work in a creative agile environment, collaborating to deliver innovative s ...

Hybrid Backend Engineer Space Microservices & Kubernetes

GMV Spain is looking for an experienced backend developer to join their team focused on satellite control centers. Candidates should have at least 4–5 years in backend development, experience with Java, Docker, and microservices. This position involves critical system design and development responsibilities i ...

Backend Engineer – Scalable RTC/VoIP Infra

Hard Yaka is looking for a skilled backend developer to join their Programmable Communications Team. In this role, you will design and operate scalable backend services and CI pipelines to support real-time communication solutions. Ideal candidates will have a robust understanding of RTC/VoIP technologies and ...

Senior Backend Engineer FinTech (Risk & Collections)

Atlas Metrics is seeking a Senior Engineer in Barcelona, Spain, to enhance their lending platform. You'll design, implement, and test micro-services, as well as improve system performance. Ideal candidates have over 4 years of software engineering experience, proficiency in Golang, and knowledge of RESTful APIs. ...

Senior Backend Engineer WSO2 & Integration Platforms

En NTT DATA creemos que cuando las personas crecen, el impacto es imparable. Por eso, trabajamos cada día para crear un entorno donde puedas ser tú, pensar en grande y construir el futuro con propósito. Nuestra misión es clara : acelerar el éxito de nuestros clientes e impactar positivamente ...

Senior Backend Engineer, Web Platform & LiveOps

Scopely is hiring a Senior Server Engineer (Web Platform) in Barcelona to join an unannounced project. You will lead the development of backend services for our Game LiveOps platform, working closely with cross-functional teams to deliver engaging gameplay experiences. The ideal candidate has a strong focus in m ...

Backend Engineer Flexible Hours, Growth & Impact

A leading mobility company in Madrid is seeking an adaptable engineer experienced with any backend technology such as Go, Elixir, or Ruby. The role involves collaborating on architecture, mentoring junior developers, and improving service reliability. The ideal candidate should have experience in developing web ...

Senior Backend Engineer, Serverless Payments (Remote)

MONEI is seeking a full-time Senior Backend Engineer to join their dynamic team in Barcelona. In this role, you will develop backend services that ensure a seamless digital and physical payment experience. Collaborating with seasoned engineers, you'll reinforce their serverless architecture and mentor junior ...

Senior Backend Engineer WSO2 & Integration Platforms

En NTT DATA creemos que cuando las personas crecen, el impacto es imparable. Por eso, trabajamos cada día para crear un entorno donde puedas ser tú, pensar en grande y construir el futuro con propósito. Nuestra misión es clara : acelerar el éxito de nuest ...

Remote Backend Engineer, Platform & Cloud Stack

Grafana Labs is a remote‑first, open‑source powerhouse. There are more than 20M users of Grafana, the open‑source visualization tool, around the globe, monitoring everything from beehives to climate change in the Alps. The instantly recognizable dashboards have been spotted everywhere from a NASA launch an ...

Senior Backend Engineer Data & AI Platform

En Iris, no solo creamos compañías; forjamos líderes en innovación tecnológica. Nos mueve la ambición, la excelencia y la empatía para redefinir el futuro de nuestros clientes a través de tecnología avanzada (Cloud, Ciberseguridad, Data, IA). Precisamente de esta visión y dentro de nuestro ecosiste ...

Staff Backend Engineer Billing & Observability (Remote)

Job Post : This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Staff Product Engineer, Backend in Spain. This is an exceptional opportunity to help shape the future of modern observability platforms by building scalable backend systems that power missi ...

Backend Engineer Platform Stacks | Spain | Remote

Grafana Labs is a remote‑first, open‑source powerhouse. There are more than 20M users of Grafana, the open‑source visualization tool, around the globe, monitoring everything from beehives to climate change in the Alps. The instantly recognizable dashboards have been spotted everywhere from a NASA launch an ...

Remote Senior Backend Engineer TypeScript & NestJS

DESCRIPTION Senior Backend Programmer with strong expertise in TypeScript and modern server‑side development. The role focuses on building scalable APIs, integrating cloud services, and working with AI‑enabled backend systems. The professional will collaborate with cross‑functional teams, ensurin ...

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 <stron ...

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 ...

Backend & Database Engineer — Remote & Global Projects

¿Estás preparadx para un cambio y explotar tus habilidades como nunca? ?? Sigue leyendo porque tenemos lo que buscas… ? ¿Quiénes somos? ? Somos una empresa internacional con más de 18 años de experiencia en consultoría e ingeniería informática. Con m ...

Backend (Golang) Engineer with blockchain experience

Backend (GO) Engineer We are Freeverse: a fast-growing, well-funded startup, recognized last year as one of the most innovative companies in Spain. We’re revolutionizing the digital asset ownership market – valued last year at $22Bn and growing exponentially – by bringing next-gene ...

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 ...

Remote Backend Engineer: Spring Boot & Kotlin

2040 ALS Holding GmbH is seeking a strong backend developer to work on a large-scale Customs Management System. You will design and build modern services using Spring Boot and Kotlin, while embracing cloud-native technologies. The role offers full remote flexibility and a chance to collaborate with an ...

Senior Node.js Backend Engineer — Hybrid (Barcelona)

Aubay Spain busca un/a Senior DevOps Engineer para participar en proyectos innovadores en Barcelona. La posición es híbrida, permitiendo a los empleados colaborar desde casa y la oficina. Buscamos personas comprometidas y dedicadas que deseen crecer en un entorno dinámico. Se valorará experiencia en he ...

Backend Engineer — Geospatial Microservices, Hybrid Work

Aistech Space busca un ingeniero de software backend para diseñar y desarrollar microservicios escalables y eficientes en Sant Cugat, Barcelona. Se requiere experiencia en Golang y Python, así como conocimiento en tecnologías de contenedores y APIs. Ofrecemos un contrato estable con un salario competit ...

Remote NestJS Backend Engineer (TypeScript/AWS)

Darwin Recruitment is seeking a talented Backend Engineer in Valencia, Spain, for a 12-month freelance contract. You will work on the development and maintenance of scalable backend systems within a cloud-based microservices environment, building APIs and optimizing backend performance. Key skills incl ...

Senior .NET Backend Engineer: Alto Rendimiento

Full On Net busca un/a Senior .NET Backend Engineer en Madrid, España. Participarás en la migración de sistemas legacy a arquitecturas modernas y escalables, desarrollando servicios backend de alto rendimiento en un entorno técnico altamente especializado. Se valoran +5 años de experiencia en .NET, así como una ...

Senior Backend Engineer WSO2 & Integration Platforms

Actualmente estamos buscando un perfil senior engineer con conocimiento en la herramienta WSO2 o bien alguien para ser formado en la misma. Requisitos 2 años de experiencia en proyectos SOA. Experiencia en desarrollo backend con lenguajes como Java, Python ...

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    Backend Engineer Java Python Jobs in Spain Job Search Guide, Trends and Insights