111,152+ Backend Engineer Java Python Jobs in Spain — Top Companies Hiring June 2026

Professional job seekers finding Spain jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Senior Backend Software Engineer

Talan is an international advisory group on innovation and transformation through technology, with 5000 employees, and a turnover of 600M€. We offer our customers a continuum of services to support you at each key stage of your organization's transformation, with 4 main activities: CONSU ...

Senior Software Engineer Backend

About Us Quadrivia is the health technology company behind Qu, a comprehensive, controllable, and customizable assistant AI built by clinicians, for clinicians. Addressing the urgent shortage of healthcare professionals, Qu provides real-time, personal, and reliable support for clinical tasks acr ...

Senior C++ Backend Engineer

We are looking for an R&D programmer knowledgeable in C++ mainly for the development of a high-performance, scalable backend service our Smart Analytics product using the latest technologies. Requirements: A Master's or bachelor's degree in computer science is a must. Wide knowle ...

QA Backend Automation Engineer

2 days ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Our Engagement Product Development team in Malaga is growing and we are now looking for a QA Backend Automation Engineer to join! Engagement at Betsson Group ensures our customers come back ...

Solution Engineer (Backend & AI)

We’re looking for a Solution Engineer (Backend & AI) to join our team and help us build the next generation of customer feedback tools. At Deepdots, we process large volumes of unstructured data using AI and turn it into insights, KPIs, and automated reports used by real companies. < ...

Senior Software Engineer (Backend)

Software Engineer (Backend) En Spring GDS, conectamos el e-commerce con el mundo. Con operaciones en más de 190 países y perteneciente al grupo PostNL, nuestra misión es clara: hacer que cada entrega cuente. Ofrecemos soluciones logísticas inteligentes y sostenibles, adaptadas a la ...

Senior Software Engineer (Backend)

Software Engineer (Backend) En Spring GDS, conectamos el e-commerce con el mundo. Con operaciones en más de 190 países y perteneciente al grupo PostNL, nuestra misión es clara: hacer que cada entrega cuente. Ofrecemos soluciones logísticas inteligentes y sostenibles, adaptadas a la ...

Senior Software Engineer (Backend)

Software Engineer (Backend) En Spring GDS, conectamos el e-commerce con el mundo. Con operaciones en más de 190 países y perteneciente al grupo PostNL, nuestra misión es clara: hacer que cada entrega cuente. Ofrecemos soluciones logísticas inteligentes y sostenibles, adaptadas a la ...

Senior Software Engineer (Backend)

Software Engineer (Backend) En Spring GDS, conectamos el e-commerce con el mundo. Con operaciones en más de 190 países y perteneciente al grupo PostNL, nuestra misión es clara: hacer que cada entrega cuente. Ofrecemos soluciones logísticas inteligentes y sostenibles, adaptadas a la ...

Senior Software Engineer, Backend

Software Engineer (Backend) En Spring GDS, conectamos el e-commerce con el mundo. Con operaciones en más de 190 países y perteneciente al grupo PostNL, nuestra misión es clara: hacer que cada entrega cuente. Ofrecemos soluciones logísticas inteligentes y sostenibles, adaptadas a las nueva ...

Senior Software Engineer (Backend)

Software Engineer (Backend) En Spring GDS, conectamos el e-commerce con el mundo. Con operaciones en más de 190 países y perteneciente al grupo PostNL, nuestra misión es clara: hacer que cada entrega cuente. Ofrecemos soluciones logísticas inteligentes y sostenibles, adaptadas a la ...

Senior Software Engineer (Backend)

Software Engineer (Backend)En Spring GDS, conectamos el e-commerce con el mundo. Con operaciones en más de 190 países y perteneciente al grupo PostNL, nuestra misión es clara: hacer que cada entrega cuente. Ofrecemos soluciones logísticas inteligentes y sostenibles, adaptadas a las nuevas formas de com ...

Senior Software Engineer (Backend)

Software Engineer (Backend)En Spring GDS, conectamos el e-commerce con el mundo. Con operaciones en más de 190 países y perteneciente al grupo PostNL, nuestra misión es clara: hacer que cada entrega cuente. Ofrecemos soluciones logísticas inteligentes y sostenibles, adaptadas a las nuevas formas de com ...

Senior Software Engineer (Backend)

Software Engineer (Backend)En Spring GDS, conectamos el e-commerce con el mundo. Con operaciones en más de 190 países y perteneciente al grupo PostNL, nuestra misión es clara: hacer que cada entrega cuente. Ofrecemos soluciones logísticas inteligentes y sostenibles, adaptadas a las nuevas formas de com ...

Senior Software Engineer (Backend)

Software Engineer (Backend)En Spring GDS, conectamos el e-commerce con el mundo. Con operaciones en más de 190 países y perteneciente al grupo PostNL, nuestra misión es clara: hacer que cada entrega cuente. Ofrecemos soluciones logísticas inteligentes y sostenibles, adaptadas a las nuevas formas de com ...

Senior Software Engineer (Backend)

Software Engineer (Backend)En Spring GDS, conectamos el e-commerce con el mundo. Con operaciones en más de 190 países y perteneciente al grupo PostNL, nuestra misión es clara: hacer que cada entrega cuente. Ofrecemos soluciones logísticas inteligentes y sostenibles, adaptadas a las nuevas formas de com ...

Senior Software Engineer (Backend)

Software Engineer (Backend)En Spring GDS, conectamos el e-commerce con el mundo. Con operaciones en más de 190 países y perteneciente al grupo PostNL, nuestra misión es clara: hacer que cada entrega cuente. Ofrecemos soluciones logísticas inteligentes y sostenibles, adaptadas a las nuevas formas de com ...

Solution Engineer (Backend & AI)

We’re looking for aSolution Engineer (Backend & AI)to join our team and help us build the next generation of customer feedback tools.At Deepdots, we process large volumes of unstructured data using AI and turn it into insights, KPIs, and automated reports used by real companies.<br/ ...

Senior Software Engineer (Backend)

Software Engineer (Backend) En Spring GDS, conectamos el e-commerce con el mundo. Con operaciones en más de 190 países y perteneciente al grupo PostNL, nuestra misión es clara: hacer que cada entrega cuente. Ofrecemos soluciones logísticas inteligentes y sostenibles, adaptadas a la ...

Senior Software Engineer (Backend)

Software Engineer (Backend) En Spring GDS, conectamos el e-commerce con el mundo. Con operaciones en más de 190 países y perteneciente al grupo PostNL, nuestra misión es clara: hacer que cada entrega cuente. Ofrecemos soluciones logísticas inteligentes y sostenibles, adaptadas a las nuevas forma ...

Senior Software Engineer (Backend)

Software Engineer (Backend) En Spring GDS, conectamos el e-commerce con el mundo. Con operaciones en más de 190 países y perteneciente al grupo PostNL, nuestra misión es clara: hacer que cada entrega cuente. Ofrecemos soluciones logísticas inteligentes y sostenibles, adaptadas a la ...

Senior Software Engineer (Backend)

Software Engineer (Backend) En Spring GDS, conectamos el e-commerce con el mundo. Con operaciones en más de 190 países y perteneciente al grupo PostNL, nuestra misión es clara: hacer que cada entrega cuente. Ofrecemos soluciones logísticas inteligentes y sostenibles, adaptadas a las nuevas forma ...

Senior Software Engineer (Backend)

Software Engineer (Backend) En Spring GDS, conectamos el e-commerce con el mundo. Con operaciones en más de 190 países y perteneciente al grupo PostNL, nuestra misión es clara: hacer que cada entrega cuente. Ofrecemos soluciones logísticas inteligentes y sostenibles, adaptadas a las nuevas forma ...

Senior Software Engineer (Backend)

Software Engineer (Backend) En Spring GDS, conectamos el e-commerce con el mundo. Con operaciones en más de 190 países y perteneciente al grupo PostNL, nuestra misión es clara: hacer que cada entrega cuente. Ofrecemos soluciones logísticas inteligentes y sostenibles, adaptadas a la ...

Senior Software Engineer (Backend)

Software Engineer (Backend) En Spring GDS, conectamos el e-commerce con el mundo. Con operaciones en más de 190 países y perteneciente al grupo PostNL, nuestra misión es clara: hacer que cada entrega cuente. Ofrecemos soluciones logísticas inteligentes y sostenibles, adaptadas a la ...

Senior Backend Engineer Barcelona

About the company Biorce is a pioneering Healthtech company dedicated to revolutionizing drug development through the power of AI. We are passionate about accelerating medical advancements and improving patient outcomes. Our team comprises seasoned clinical research professionals, data sc ...

Senior Backend Engineer (Payments)

Payments Team – Overview Proton's Payments team focuses on enabling revenue generation across the ecosystem by integrating new payment methods and building client libraries. The team has a broad impact across all Proton products and works closely with the Account Team, Finance team, and Business ...

Backend ASIC/FPGA Engineer

ARQUIMEA is a technology company operating globally and providing innovative solutions and products in demanding sectors. Our areas of activity include Aerospace, Defense & Security, Big Science, Biotechnology and Fintech. Backend ASIC/FPGA Engineer – Synthesis, Place & Route, and Timin ...

Senior Backend Engineer Golang

Location Madrid, M, ES About the Role Join Swiss Re's IT Resilience unit and contribute to building a robust, future‑ready IT landscape that underpins the organisation at global scale. Our team is a diverse, internationally connected group of engineers and architects, united by ...

Staff Product Engineer, Backend

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 QA Engineer, Madrid

At Air Apps, we believe in thinking bigger and moving faster. We’re a family‑founded company on a mission to create the world’s first AI‑powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portug ...

Senior Backend / Platform Engineer

About Stark Stark builds the world’s most powerful electric motorcycles. From the VARG MX to the road‑legal VARG EX & SM, our bikes have won world championships and are engineered to outperform anything with a combustion engine. We’re based in Sant Boi, Barcelona, growing fast (77% year‑on‑year), ...

Senior Backend Engineer (Payments)

Payments Team The goal of the Payments team is to enable revenue generation for the entire Proton ecosystem. This comes in the form of introducing new payment methods for users to architecting our client libraries. This team has impact across all of Proton's products and is critical to the success ...

Senior Backend & Cloud Engineer

Buscamos un/a Senior Backend & Cloud Engineer para una scaleup SaaS B2B en crecimiento, con un rol de liderazgo técnico en el día a día , muy cercano al desarrollo y a la ejecución. La posición reporta al Head of IT, quien lidera la visión de producto tecnológico y arquitectu ...

Senior AI Backend Engineer

SIX drives the transformation of financial markets. What sets us apart drives us ahead: between local roots and global relevance, we are a unique blend of tradition and future, of foundation and growth. We value bright minds and inspire them to grow with their ideas. Come and shape the future of fi ...

Backend Software Engineer – Microservices

If the expression “Houston, we have a problem” gives you chill bumps, your place is here. We are expanding our teams in the space sector to take on satellite control center projects . WHAT CHALLENGE WILL YOU BE TAKING ON? As part of our team, you’ll be responsible f ...

Backend Software Engineer (Almería)

The Role Our Player Rewards & Gamification-Product Development team in Malaga is growing and we are now looking for a Backend Software Engineer to join! Engagement at Betsson Group ensures our customers come back for more. It’s all about loyalty. We provide a world class customer experience beyond ...

Backend .NET Software Engineer

Our Player Rewards & Gamification-Product Development team in Malaga is growing and we are now looking for a Backend Software Engineer to join! Engagement at Betsson Group ensures our customers come back for more. It’s all about loyalty. We provide a world class customer experience beyond the game play fea ...

DevOps & BackEnd Engineer (Cequeliños)

Take your career to the next level with Amaris Consulting as Senior DevOps & Backend Engineer. Be part of an international team, thrive in a integral group with a €800M turnover and over 1,000 clients worldwide, and an agile environment. The ideal candidate will have a proven track record in buildin ...

Senior AI Backend Engineer

Join SIX Financial Information's AI Engineering team as a Senior AI Backend Engineer of our Productization squad. You will own the backend, APIs, and integrations that turn AI prototypes into production-grade products in our GenAI and Data Mining lines. This is a high-leverage, player-coach role at ...

Software Backend Engineer (Valencia)

Software Backend Engineer At ING we are looking for a talented and enthusiastic Software Backend Engineer to join our team. Your role and work environment As an experienced Software Engineer Backend, you will design, develop and test code that shapes the different components of our ...

Senior Software Engineer (Backend)

Software Engineer (Backend) En Spring GDS, conectamos el e-commerce con el mundo. Con operaciones en más de 190 países y perteneciente al grupo PostNL, nuestra misión es clara: hacer que cada entrega cuente. Ofrecemos soluciones logísticas inteligentes y sostenibles, adaptadas a las nueva ...

Senior Software Engineer (Backend)

Software Engineer (Backend) En Spring GDS, conectamos el e-commerce con el mundo. Con operaciones en más de 190 países y perteneciente al grupo PostNL, nuestra misión es clara: hacer que cada entrega cuente. Ofrecemos soluciones logísticas inteligentes y sostenibles, adaptadas a la ...

Senior Backend Engineer ID63544

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. ...

Senior Backend Engineer (Tarragona)

Perfil Buscamos un perfil senior engineer con conocimiento en la herramienta WSO2 o alguien que pueda ser formado en la misma. Requisitos 2 años de experiencia en proyectos SOA. Experiencia en desarrollo backend con lenguajes como Java, Python o JavaScript. V ...

Senior Software Engineer (Backend)

Smadex is a cutting-edge ad-tech company: we process more than 4,5 million ad requests per second, replying under 100ms (for reference, the Google search engine handles ~76,000 QPS). Every day we generate several TBs of data that need to be processed, analyzed and aggregated, so our real-time components ge ...

Backend Engineer Node.js (Cequeliños)

Mid/Senior Backend Engineer Buscamos un/a Mid/Senior Backend Engineer con experiencia en Node.js y excelente comunicación en inglés para incorporarse a nuestro equipo en Madrid, con experiencia sólida en desarrollo en entorno de microservicios. Responsabilidades Desarrollar y mante ...

Backend Engineer NodeJS (Gerona)

Location Barcelona, Barcelona. 1 vacancy. Modalidad: Hibrida. Position Senior DevOps Engineer (English required) Requirements Node.js REST Git ElasticSearch Jest Javascript - Typescript DynamoDB SQL ...

Backend Engineer Node.js (Madrid)

¡Hola! ¿Todavía no conoces a hiberus? Somos una empresa de tecnología construida con un ingrediente diferencial: la HIPERESPECIALIZACIÓN. Buscamos Mid/Senior Backend Engineer con experiencia en Node.js, excelente comunicación en inglés y sólido conocimiento de microservicios. El cand ...

DevOps & BackEnd Engineer (Valencia)

Take your career to the next level with Amaris Consulting as Senior DevOps & Backend Engineer. Be part of an international team, thrive in a global group with a €800M turnover and over 1,000 clients worldwide, and an agile environment. The ideal candidate will have a proven track record in building ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

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