1,054,924+ Full Stack Engineer React Java Nodejs Microservices 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

Junior Data Driven Research Software Engineer

IFAE is seeking a Junior Research Software Engineer to support its data center operations at PIC. The role involves developing and managing software tools for data analysis, working closely with scientists to enhance research capabilities. Applicants should possess a degree in computer science or relat ...

Electronics Engineer – Low Voltage Protection & RCDs

Littelfuse is looking for an Electrical / Electronics Engineer to join their R&D team in Cádiz, Spain. The role involves designing advanced electronic systems, focusing on protective products like Residual Current Devices. Ideal for engineers with 3 years of experience eager to enhance their skills. Th ...

Data & ML Engineer: Build Production Credit Risk Services

Novicap is seeking a Data Engineer to join their Data team in Barcelona. This role involves designing and maintaining data products that enable key credit decisions. Collaboration with Data Science and Engineering teams is crucial. We offer a full-time position with a hybrid work model, flexible benefi ...

MES System Lean CI Engineer – Industrial

ALSTOM Gruppe is seeking an Industrial & Continuous Improvement Engineer for its Barcelona location. In this full-time role, you will implement lean manufacturing tools, standardize processes, and develop continuous improvement maps to enhance maintenance efficiency. A university degree in Industrial or Mechanic ...

Hybrid Cyber Security Engineer in Barcelona | SIEM & Cloud

A leading data intelligence firm in Barcelona is looking for a Cyber Security Engineer to join their Information Security team. The successful candidate will have experience in systems engineering and a passion for cybersecurity. Responsibilities include designing cybersecurity solutions, improving vulnerability ...

Lead Platform Engineer — Scale & Modernize Hosting Platform

A leading international recruitment agency is seeking a Senior Platform Engineer to join their team in Málaga. In this full-time, permanent role, you will manage operations and development for a critical hosting platform. The ideal candidate has a strong background in system administration and DevOps, with over ...

Senior ML Engineer Systems & Inference on Custom Hardware

A leading technology company in Barcelona is seeking a Senior Machine Learning Engineer. In this role, you will work on cutting-edge AI systems, collaborating with top chip companies. Responsibilities include developing frameworks for AI models and mentoring junior engineers. Ideal candidates have strong skills ...

Production ML & Data Engineer for Credit Risk

NOVICAP Ltd. in Barcelona seeks a Data Engineer passionate about data products. Join our dynamic team to design and maintain scalable data solutions that drive credit workflows and fraud decisions. Your expertise in Python, AWS, and data engineering will be key as you collaborate closely with Data Scie ...

Senior Public Cloud Automation Engineer

GTT Communications, Inc. is seeking a Senior Engineer, Service Engineering & Automation (Public Cloud) in Madrid, Spain. The role involves leading the deployment and management of public cloud infrastructures across AWS and Azure, establishing automation standards and providing advanced engineering support for c ...

HPC Support Engineer — Performance Tuning & Automation

The Barcelona Supercomputing Center is seeking a High-Performance Computing Support Engineer to join its Operations Department. This role requires a degree in Computer Science or a related discipline and at least one year of experience in an HPC center. Key responsibilities include resolving incidents ...

Ingeniero/a de Datos Remoto | SQL & Bases de Datos

Full On Net en Zaragoza busca un/a Data Engineer apasionado/a por los datos para unirse a su gran equipo. Este puesto ofrece la posibilidad de trabajar de forma 100% remota y con flexibilidad horaria. Los candidatos ideales deben tener un dominio robusto de SQL y experiencia con bases de datos como Mic ...

Civil Design Engineer | BIM & Civil 3D Specialist

The Construction Index Ltd is seeking a Civil Engineer / Civil 3D BIM Modeller for a full-time, hybrid role in Barcelona. The successful candidate will produce and develop civil engineering models and support various design tasks, collaborating with multidisciplinary teams. Key qualifications include a ...

Senior PostgreSQL DBA & Reliability Engineer

Innoit Consulting is looking for a Senior DBA - Reliability Engineer to join their Platform team in Spain, Galicia. The role focuses on ensuring data infrastructure operates at scale with optimal performance. Candidates should have over 5 years of database administration experience and strong skills in ...

Remote DevOps & Cloud Infrastructure Engineer

TeamSystem España is seeking a DevOps / Infrastructure Engineer to lead the development of Quipu’s infrastructure in Marbella. The ideal candidate will manage the Infrastructure-as-Code repository, modernize components, and ensure system reliability and performance for a product widely used across Spain. ...

Senior Platform Cloud Engineer AWS, Kubernetes & FinOps

Preply is seeking a Platform Cloud Engineer to join our Barcelona team. This role will focus on managing our AWS-based platform, ensuring system availability and performance. You'll collaborate across teams to tackle technical challenges, leverage cutting-edge tools, and participate in full-cycle system desig ...

Junior Supply Chain Engineer Data Driven Optimization

Tucai Group is seeking a motivated Supply Chain Junior Engineer to optimize logistics, inventory management, and production planning. This role involves analyzing performance data and collaborating with various teams under senior guidance. The ideal candidate holds a bachelor’s degree in mechanical eng ...

Senior PostgreSQL DBA & Reliability Engineer

Innoit Consulting is seeking a Senior DBA - Reliability Engineer to join their Platform team in Valencia, Spain. The role requires ownership of database system design and maintenance, focusing on performance tuning and ensuring high availability. Ideal candidates will have over 5 years of experience, a ...

Golang Data & AI Platform Engineer Kubernetes & Cloud Native

Lawrence Harvey is seeking a Data & AI Platform Engineer in Santander, Spain. This role involves developing a next-generation sovereign cloud platform focused on data and AI services. You'll contribute to system architecture and build REST APIs while working with technologies like Kubernetes and Golang. < ...

Senior AI Backend Engineer – Scalable Systems in the Cloud

Clarivate in Barcelona seeks a Senior Software Engineer for AI Product Development. In this full-time role, you will develop scalable backend services and integrate AI capabilities, working closely with Agile teams. The position offers a hybrid model, requiring office presence 2–3 times a week. Ideal c ...

Senior Backend QA Automation Engineer TS/Node.js, API

Serviclients is seeking a QA Automation Engineer in Spain, preferably Barcelona, to enhance their cloud-based learning platform. This role involves designing automated tests for critical backend services using TypeScript and Node.js, ensuring reliable student certification and practice environment access. </p ...

Graduate Product Engineer — Madrid, ESOP & Ownership

A global e-invoicing platform is seeking a Graduate Product Engineer to own app development from research to production, design backend integrations, and support customer feedback. The ideal candidate has a degree in Computer Science or relevant experience, is fluent in English, and embodies a builder mindset. T ...

Remote Principal Python Engineer — ML & Distributed Systems

A leading tech company based in Madrid is seeking a Principal Python Engineer for full-time remote work. The ideal candidate will have over 10 years of software development experience with strong Python expertise, focusing on large-scale data processing and advanced automation frameworks. This role involves ment ...

Signaling Maintenance Manager Madrid | Rail Reliability

Alstom is seeking a full-time Maintenance Engineering Manager based in Madrid. This role involves applying maintenance expertise and working closely with cross-functional teams to enhance maintenance activities in railway projects. The ideal candidate will be an Industrial Engineer with at least 3 year ...

Senior Electrical Engineer – HV Substations & Grids

A global engineering consultancy is seeking a dedicated Senior Electrical Engineer to join their Power Transmission and Distribution team in Madrid. The successful candidate will work on diverse projects to enhance electrical grid systems, focusing on innovative solutions for power infrastructure. Ideal applican ...

Mechanical Design Engineer – Spaceflight Hardware (Hybrid)

Tamarind Intelligence is seeking a Mechanical Design Engineer to join our mechanical engineering team in Madrid. This role involves full hardware development from concept through testing, requiring hands-on participation in fabrication and assembly. The ideal candidate will have experience in aerospace ...

Principal Civil Engineer, Water Infrastructure

Mott MacDonald is seeking a Principal Civil Engineer to join its multidisciplinary Water Division. Your role will involve leading the design of major water supply infrastructure and contributing to innovative wastewater solutions, ensuring sustainable water security. The ideal candidate will hold Chart ...

Barcelona Hybrid Cyber Security Engineer: SIEM & Cloud Defense

A global information services company is seeking a Cyber Security Engineer to join their Information Security Team in Barcelona. This full-time role involves designing, implementing, and supporting cybersecurity solutions in both enterprise and cloud environments. Candidates should have extensive experience in s ...

Senior Deep Learning Engineer — Distributed Training & Production AI

A leading technology firm seeks a Senior Deep Learning Engineer in Barcelona. This role involves designing and deploying advanced deep learning models while managing the full ML lifecycle. Candidates should have a Master's or PhD in a relevant field and over 5 years of experience with deep learning systems. Stro ...

Field Service Engineer for Ultra Precision Lathes (UK/EU)

AMETEK, Inc. is seeking a full-time Field Service Engineer to provide technical support and preventative maintenance for ultra-precision lathes across the UK and Europe. The role requires extensive travel, expert troubleshooting skills, and strong communication abilities. Ideal candidates will have a b ...

Applied AI Engineer & Enablement: Prototype to Production

Aily Labs, located in Barcelona, is seeking an engineer with strong AI and technical skills to develop and deploy various AI solutions. The role involves working with business teams to deliver effective AI prototypes and solutions, owning the full lifecycle from conception to production. The ideal cand ...

Senior Product Engineer, Real Time AI Health Tech

Prosper AI in Barcelona is looking for a Product Engineer to design and build innovative AI Phone Agents for healthcare. You'll be responsible for taking products from ideation to reality, working with technologies such as FastAPI and PostgreSQL. The ideal candidate has 5+ years of experience in product developm ...

Senior Logistics Automation Integration Lead (EU Remote)

LogyNEX, based in Spain, seeks a Lead Systems Integration Engineer specializing in logistics automation. This senior role requires hands-on technical leadership for deployments across Europe, focusing on systems integration and middleware development. Candidates should have 5+ years in warehouse automa ...

Senior Cybersecurity Architect: XDR, SIEM & Automation

EURAXESS Czech Republic is seeking a Senior Engineer in Madrid to lead the design and development of large-scale cybersecurity solutions. The ideal candidate will have a strong background in cybersecurity, with over 5 years of experience and proficiency in Python. Key responsibilities include defining technical ...

Senior DevOps Engineer – Cloud Data Platform Owner

arsys EN in Spain is seeking a Senior DevOps Engineer to take full ownership of their cloud Big Data platform. You'll be responsible for operational stability, troubleshooting, and stakeholder coordination within a global and multicultural team. Applicants should have over 5 years of experience in DevO ...

Senior DevOps Engineer – Cloud Data Platform Owner

arsys EN in Logroño is seeking a Senior DevOps Engineer to take full ownership of their cloud Big Data platform operations. This role requires at least 5 years of experience in operations or DevOps, with strong skills in Linux, CI/CD, and Kubernetes. The successful candidate will collaborate with vario ...

DCS Control Systems Intern: SCADA & Protection

IF1910 GE Power Management S.L.U. in Zamudio is offering an internship for a DCS Control System Engineer. The intern will support SCADA system configuration, communication network architecture design, and coordinate project management activities. Ideal candidates should have a high level of both Spanis ...

Power System Protection & Control Engineer

A leading energy company in Spain is seeking a Power System Protection and Control Engineer. The role involves executing engineering and consulting projects across transmission and distribution markets. The ideal candidate will have a B.S. in Electrical Engineering and minimum 5 years of experience in protection ...

UAV Avionics & Systems Integration Architect

A pioneering aerospace company in Madrid is seeking a UAV Avionics and Systems Integration Engineer. In this role, you'll design UAV systems, create detailed diagrams, and ensure compliance with regulations. Collaboration with multidisciplinary teams and strong problem-solving skills are essential. Candidates sh ...

Automation Engineer for Water Treatment & SCADA Projects

Whitewater Group is seeking an experienced Automation Engineer to join their growing team in Zaragoza. This full-time role involves designing, implementing, and maintaining automation systems for water treatment engineering projects. The ideal candidate will have expertise in automation engineering and experi ...

SRE & Security Software Administrator (Cloud & APIs)

An international advisory firm in Málaga is seeking a talented SRE Engineer & Security Software Administrator. This role involves managing security solutions such as OAuth 2.0 and working closely within a dynamic team. Ideal candidates will have strong skills in cloud infrastructure and DevOps, alongside experie ...

Signalling Maintenance Engineer — Madrid (Impact & Growth)

Alstom in Andalucía seeks a full-time Maintenance Engineering Manager to lead maintenance activities and collaborate with various teams. The role involves incident analysis, maintenance planning, and customer interface. The ideal candidate should be an Industrial Engineer, knowledgeable in signalling s ...

Railway Security Systems Engineer: CCTV, PA, PIS

A leading transportation company is seeking a Railway Security System Engineer in Madrid. This full-time role involves designing security systems for the railway sector, technical project coordination, and creating documentation. Candidates should have a background in Engineering and five years of experience in ...

Research Engineer: Geolocated AI & Spatial Data Analytics

The Barcelona Supercomputing Center is looking for a Research Engineer specializing in geolocalized data analysis to support the AI Factories project. The role involves training AI models and conducting spatial data analysis to improve decision-making in climate resilience and urban interventions. With ...

Senior QA Engineer Hybrid API & Web Testing

A leading software company is seeking an experienced Senior QA Test Engineer to join a Swiss banking client in Madrid, Spain. This role involves ensuring quality assurance across the full software development lifecycle. Responsibilities include managing QA activities, conducting REST API testing, and collaborati ...

Hybrid BI Engineer: Build Scalable Data Pipelines & Dashboards

Verisure is looking for a Business Intelligence (BI) Engineer/Developer based in Alicante. In this role, you will manage the full data lifecycle, transforming raw data into actionable insights that drive data-centric decisions. You will build and optimize BI pipelines, design effective data models, and ...

Railway Security Systems Engineer: CCTV/PA/PIS – Growth & Impact

A global transportation firm is looking for a full-time Railway Security System Engineer in Madrid. This role involves designing security systems including CCTV and access control for the railway sector. Candidates should have a strong engineering background, ideally with 5 years of experience in security system ...

Junior Data Engineer Data Flow & Architecture (Remote)

A leading technology company in Barcelona is seeking a Junior Data Engineer to handle data quality and design complex data flows. The successful candidate will implement ETL processes using Python and Airflow, ensuring data lineage transparency. An engineering background and strong skills in Python and SQL are e ...

Senior Data Platform Engineer for ML Pipelines

A global healthcare technology company is seeking a Senior Data Platform / Data Engineer to enhance their data infrastructure supporting AI in dentistry. The successful candidate will design and maintain scalable data pipelines and improve data versioning workflows. Key qualifications include strong Python skill ...

Hands On Digital Dental CAD/CAM Engineer

Institut Straumann AG is looking for an Application Engineer in Madrid to work hands-on with dental CAD systems and improve digital workflows. You will connect different services, build, test, and iterate on solutions, while cooperating with an international team focused on experimentation. The ideal candidate h ...

Hybrid Cloud & On Prem Backup Architect

SoftwareOne is seeking a Backup & Recovery Engineer to design and implement enterprise-grade backup solutions in Madrid, Spain. The role involves creating backup architectures, ensuring data is protected, compliant, and recoverable across on-prem, cloud, and hybrid environments. The ideal candidate wil ...

🚀 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

    Buffering Video...

    Full Stack Engineer React Java Nodejs Microservices Jobs in Spain Job Search Guide, Trends and Insights