85,017+ Remote Fullstack Engineer Java Angularreact Jobs in Spain — Top Companies Hiring September 2026

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Senior Full Stack Engineer (NET/Vue) – AI Driven Platform

Frontiers is seeking a Senior Full-Stack Engineer with a strong backend focus to join the RTM team. You will own complex backend systems and full-stack features end-to-end, from specification refinement through implementation to production monitoring. You will work on a distributed .NET platform with V ...

Senior AI Engineer with Italian EY GDS Spain Hybrid

Senior AI Engineer with Italian- EY GDS Spain - Hybrid Location: Malaga Other locations: Primary Location Only Date: 27 Jul 2026 Requisition ID: The opportunity As a Senior AI Engineer, you will lead the architecture, design, and delivery of advan ...

Senior Ruby on Rails Backend Engineer — Build Scalable Apps

Titan OS, a Barcelona-based technology company, is seeking a Senior Backend Engineer (Ruby on Rails) to design, develop, and maintain scalable backend systems powering our products. You will collaborate with frontend, DevOps, and product teams; ensure secure, reliable performance; and drive architectur ...

Experienced Software Engineer Corporate Stock Valuation (m/f/d)

Your Tasks Within our “Corporate Services” platform and the “Enterprise Services” value stream you will work in the agile product team Corporate Stock Valuation . The product team is essential in ensuring the accuracy and efficiency of monthly, quarterly, and annual financial reports, as inventori ...

Staff Backend Engineer: End to End App Ownership & Growth

Invopop (YC W23) is seeking a Staff Product Engineer in Madrid. You'll take ownership of various Apps from research to production. Responsibilities include driving product decisions and supporting customers. The ideal candidate has over 10 years of experience in backend systems, strong product judgment ...

Founding AI Engineer ML & LLM for FinTech in Madrid

A FinTech start-up is seeking an AI Engineer to join their new Madrid office, offering a salary up to €130,000. The successful candidate will work on implementing AI and LLM functionality within their proprietary trading systems. Candidates must have a top-tier educational background in Computer Science or Mathe ...

AI Engineer — Biometrics (On site San Francisco or Barcelona)

Job Description Your mission You'll join Didit Labs , our in-house AI lab, and develop state-of-the-art biometric models — including fraud — shipped to production and used by millions. What we're looking for Deep computer-vision expertise focuse ...

Backend Product Engineer End to End Apps (Go, Madrid)

Invopop (YC W23) is seeking a Backend Product Engineer to own integrations end-to-end, from research to launch, based in our Madrid office. Ideal candidates should have strong backend experience, ideally in Golang, and a builder mentality. Your role will involve designing integrations, supporting customers, a ...

Autonomous Systems Engineer — Farm Robotics, On site Testing, Equity

Voltrac in Valencia is seeking a talented engineer to develop cutting-edge autonomy algorithms for electric tractors. You'll take control of the autonomy stack, select algorithms, design testing campaigns, and ensure model deployment. The ideal candidate has strong coding skills, experience in real-wor ...

Wireless Protocol Engineer: L1 & Scheduler for 5G/Pre 6G

A leading technology firm is seeking a Wireless Protocol Software Engineer in Malaga, Spain. The candidate must have expertise in 3GPP LTE / NR, focusing on Layer 1 protocols and Scheduler algorithms. Responsibilities include designing optimized software for 5G L1 algorithms and developing UE and base station em ...

Senior Platform Engineer — Hybrid, AI Ready Infra & CI/CD

eDreams ODIGEO in Barcelona is looking for a Senior Platform Engineer to enhance our Data as a Service platform. You will implement Infrastructure as Code and work on automation for product deployment using CI/CD methodologies. The ideal candidate has over 5 years of experience in DevOps and a passion ...

Sales Engineer in Plant Engineering for Intralogistics Systems Madrid

Sales Engineer in Plant Engineering for Intralogistics Systems Madrid As a full-service provider, we develop, plan and implement turnkey intralogistics solutions based on our intelligent Autonomous Robotic Carriers. Warehouse and production are merged into a fully automated system. All over ...

Agentic AI Engineer: End to End ML & LLM Solutions

Allianz Services in Barcelona seeks an AI Engineer (m/f/d) to design, build, and productionize agentic AI systems within our Data Analytics Solutions team. Collaborate with an international team to translate goals into measurable business outcomes under clear SLAs and governance. The role covers end-to ...

DevOps/Cloud Engineer (Senior/Lead) ID38550 ($2,500 signing bonus)

Join us and receive a $2,500 signing bonus! 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 m ...

CS Field Engineer (Tècnico/a de campo en mecatrónica)

Syntegon Telstar S.R.U es una empresa del grupo Syntegon, que opera a nivel mundial. Como marca especializada en el desarrollo de proyectos GMP de consultoría, ingeniería, construcción y equipos de proceso integrados, servimos a empresas vinculadas al mercado de las ciencias de la vida (indust ...

Hybrid DevOps Data Engineer — Cloud CI/CD & Automation Pro

3MT Global Services busca un DevOps Data Engineer para unirse a una multinacional líder en salud. Te integrarás en un proyecto internacional, colaborando con líderes técnicos senior para garantizar la excelencia operativa y la entrega continua. Ofrecemos contratación indefinida, jornada completa en Val ...

Security R&D Engineer for 5G NTN & Satellite Tech

Sateliot, a Barcelona-based satellite company, seeks a talented NTN Security Research & Development Engineer to design and build secure communications for IoT, devices, and satellite networks. You will work across cybersecurity, cryptography, and 5G Non-Terrestrial Networks, contributing to end-to-end ...

Junior Data Engineer | BI & Data Compañía Digital Sector Fintech

Junior Data Engineer | BI & Data con 2 años de experiencia. Aquí los datos impulsan la estrategia de toda una compañía. Si te interesa un rol y una compañía con ambición, recorrido y retos que evolucionan al mismo ritmo que la tecnología, encontrarás mucho más que un puesto ...

IT/OT Engineer: Lidera Industria 4.0 en Planta (Flexible)

Dogfy Diet busca un/a IT/OT Engineer para liderar la transformación digital de la planta de producción y garantizar la integración entre sistemas industriales y corporativos. Serás nexo entre Operaciones y Tecnología, impulsando proyectos de digitalización y automación para mejorar eficiencia, calidad y segur ...

Security by Design Engineer | Hybrid, 27 Days PTO, Growth

CaixaBank busca un Cybersecurity Engineer para garantizar que la seguridad forme parte del diseño, desarrollo y operación de soluciones tecnológicas, trabajará junto a ingeniería, arquitectura y producto para integrar SSDLC y prácticas de seguridad sin perder velocidad de entrega. El rol se desarrolla ...

Junior AI/ML Engineer — Build Production ML in Barcelona

Blu Selection is seeking a Junior AI & ML Engineer to join a world-class data team in Barcelona. You will contribute to the end-to-end ML lifecycle, helping design, develop, and automate workflows that scale reliable AI solutions. You will gain hands-on experience alongside senior engineers, applying b ...

JUNIOR RESEARCH ENGINEER IN AI BASED QUANTITAVE MEDICAL IMAGING

The Fraunhofer Spain Research foundation is looking for a JUNIOR RESEARCH ENGINEER to support research and development activities at the Fraunhofer Center for Applied Theragnostics in Catalonia (Fraunhofer CAT). The candidate will contribute to the development of precision medicine algorithms and imaging b ...

CAMO/MRO Engineer – Helicopters | Intl Team • 22 Days PTO

Una consultora especializada en ingeniería busca un/a Ingeniero/a CAMO/MRO en Madrid. El candidato ideal debe tener un título en Ingeniería Aeronáutica y al menos 1-2 años de experiencia en entornos CAMO o MRO. Las responsabilidades incluyen supervisar actividades de mantenimiento y coordinar con el equipo de pr ...

Junior Medical Imaging Simulation Engineer – PET/SPECT & AI Data

The Fraunhofer Spain Research foundation is seeking a JUNIOR RESEARCH ENGINEER to assist in R&D activities at the Fraunhofer Center for Applied Theragnostics in Catalonia. You will contribute to PET/SPECT simulation, reconstruction and quantitative imaging physics, and create virtual validation environments f ...

Clinical Systems Software Engineer — C#/.NET & AI‑Enabled Platforms

Fresenius Medical Care in Valencia seeks a software engineer to develop and maintain C# / .NET microservices within the O4A – TheHub platform. You will contribute to front-end work with Angular and help implement AI-enabled features under senior guidance. You will collaborate with data scientists and c ...

Hybrid Data Analyst & QA Engineer — Driving Data Quality & Insights

MIGx is seeking a Data Analyst & QA Engineer in a hybrid Barcelona role to profile data, test data pipelines, and safeguard data quality across life sciences projects, turning validated data into clear insights for stakeholders. You will collaborate with Data Engineers and Business Stakeholders, build ...

Real Time Fraud ML Engineer | Low Latency Risk Scoring

The French Sourcer in Madrid/Barcelona is seeking a Machine Learning Engineer to design and deploy fraud-detection models for real-time decisions. You will build features from transactional data, monitor drifting models and latency, and collaborate with risk, data engineering, platform, and product teams to b ...

Senior Software Engineer – AI Native Data Platform (Go/Rust)

Full-time Context & Impact: Lansweeper is the AI Cyber Asset Intelligence platform helping IT and Security teams gain full visibility, reduce cyber risk, and scale automation with confidence. We transform raw asset data into a continuously validated, trusted source of truth — so teams can move faster and a ...

Valencia Project Engineer – Food Tech, Hybrid & 29 Days PTO

TOMRA Food is seeking a Project Engineer to join the Customer Solutions Delivery team in Valencia, Spain. You will support design and delivery of customer projects, including factory layouts, peripherals, and bespoke items, working with Sales, Operations, Procurement, and Service teams from concept to commiss ...

Senior Backend Engineer (Go/Rust) – AI Native Data Platform

Lansweeper is seeking a Senior Software Engineer in Alicante to design, implement, and optimize backend services for AI-enabled asset intelligence. You will work on high-scale distributed systems and collaborate with AI-assisted development workflows. Hybrid (2 days onsite per week) in a fast-growing, ...

Azure DevOps Platform Engineer Self Service AI Tools Madrid

Client Server in Madrid is seeking a DevOps Engineer (Azure) to design and build scalable internal platforms that empower developers while ensuring security and reliability. You will play a key role in delivering cloud-native infrastructure and automating workflows, collaborating with engineering and b ...

Staff AI Agent Engineer End to End Production Agents

Siemens Gas and Power GmbH & Co. KG is seeking Staff AI Agent Engineer to own AI agent products end-to-end, from research prototypes to production. You will build production agents in Python/TypeScript, including LLM fine-tuning and embedding adaptation, delivering stable services used across the organ ...

Expert Data Engineer | Data Vault 2.0 & Metadata Driven Automation

¿Y si en lugar de construir un Raw Data Vault cada vez, construyes el motor que permita generarlo y evolucionarlo de forma automática? En NTT DATA buscamos una persona con experiencia sénior en Data Engineering y Data Vault para asumir uno de los retos técnicos fundacionales. < ...

Information and Communications Technology (ICT) Associate (AI Engineer) (GS)

Introduction Established in 1951, IOM is a Related Organization of the United Nations and the leading UN agency in the field of migration. Working closely with governmental, intergovernmental and non-governmental partners, IOM promotes humane and orderly migration for the benefit of all. It saves ...

Senior Data Engineer: Cloud Pipelines for Data Driven Pricing

Mercedes-Benz Group Services Madrid is seeking a Senior Data Engineer to join the Data Driven Pricing initiative in Aftersales. You will design, build and maintain scalable data pipelines, collaborating with Data Scientists to ensure data quality and support advanced analytics. We value 3–5 years of da ...

IA First Full Stack Engineer | MCP + React/Node | Hybrid

Capitole busca un/a Software Engineer Full-Stack para unirse a una multinacional del sector HR/Payroll en Barcelona centro, con modalidad híbrida. El rol combina desarrollo Full-Stack clásico con servicios que integran LLMs, MCP y flujos de trabajo agénticos en producción. Se trabajará en Node.js + Typ ...

Research Engineer: RTL OoO Core for RISC V HPC

Barcelona Supercomputing Center (BSC-CNS) in Barcelona seeks a Research Engineer in the Computer Sciences Department to join an active computer architecture group. You will design and develop a high-end out-of-order RISC-V core for HPC applications, contributing to the European DARE project and to an energy-e ...

Senior AdTech Software Engineer for Real Time Ad Delivery

TwinRed in Barcelona is seeking a senior software developer with 5+ years of AdTech experience to join our team and help shape a new platform in a public cloud Linux environment. You will work across the full stack with a focus on scalable, reliable ad-serving systems, collaborating with product managers, dat ...

STACKIT (Senior) Software Engineer Kubernetes Orchestration (m/f/d)

Schwarz Digits creates the technological foundation for digital sovereignty in Europe. As the IT and digital division of the Schwarz Group, we develop and manage the IT infrastructures for the retail divisions Lidl and Kaufland, as well as Schwarz Production and PreZero. At the same time, we operate as an ...

Senior QA Automation Engineer | TypeScript, Node.js, WebdriverIO, API Testing

Some QA roles check that features work; this one helps protect the credibility of thousands of real certification journeys every month. You’ll work on a cloud-based learning platform used globally by professionals, students, partners and enterprise learners, with a strong focus on b ...

Senior Data Engineer, AI Automation | 4.5 Day Week, Global

Adikteev is seeking a data-oriented engineer to join the AI Automation team in Barcelona. You will help build and maintain data infrastructure, pipelines, and datalake architecture, enabling efficient reporting and scalable AI use cases across departments. Ideal candidates have strong Spark/Scala skill ...

AI Product Engineer: Build Real World AI for SaaS

Yuki is seeking an AI Product Engineer to join the Innovation team. You will build AI-driven features used by accountants and entrepreneurs, starting from experiments and evolving into production-ready capabilities. Work closely with Product and Design, ship end-to-end solutions including the .NET back ...

Senior ML Engineer: LLMs & Multi Agent AI (Hybrid Madrid)

EPAM Systems in Madrid, Spain is seeking a Senior ML Engineer to design, build, and deploy scalable ML and AI solutions for a leading wealth management organization. The role sits in a hybrid Madrid context, collaborating across cross-functional teams throughout the full lifecycle from concept to production. ...

Junior Android Software Engineer with English (m/f/d)

T-Systems is part of the Deutsche Telekom Group, with around 30.000 employees worldwide. We create technology with purpose to generate a positive impact on society. We are looking for curious talent, eager to learn, take on challenges, and contribute ideas that transform our customers' experience. ...

CF IT EAM Business Engineer BUM (m/f/d)

CF - IT EAM Business Engineer BUM (m/f/d) Home of IT: REWE digital Spain For REWE digital Spain , a subsidiary of the REWE Group located in Málaga, we are looking for an IT Business Engineer (m/f/d) – Enterprise Asset Management & Building Managemen t to strengthen our ...

Senior AI Solutions Engineer for Revenue & Go To Market

Job Details Go-To-Market Department Spain - Barcelona Full-Time/Hybrid What you will do You will join as a Senior AI Solutions Engineerfor Revenue & Go-To-Market, focused on transforming our internal operations. You will be at the forefron ...

Senior Landing Gear Engineer — A 400M Program Lead (Hybrid)

Airbus Defence and Space in Getafe, Madrid, is seeking a Landing Gear Engineer to join the Landing Gear Design Office within the Military Air Systems Engineering organization. The role focuses on end-to-end lifecycle of landing gear systems for military platforms, with emphasis on the A-400M program, s ...

Senior/Lead AI Engineer – Agents Team BCN/MAD/MUN

Mission Are you ready to take part in the upcoming AI revolution of the business world? If the answer is a resounding yes, we have an extraordinary opportunity for you! About Us Aily Labs is a B2B SaaS company building an AI-powered decision intelligence app for enterprises. Our ...

Senior/Lead AI Engineer – Agents Team BCN/MAD/MUN

Mission Are you ready to take part in the upcoming AI revolution of the business world? If the answer is a resounding yes, we have an extraordinary opportunity for you! Mission Are you ready to take part in the upcoming AI revolution of the business world? If the answer is a reso ...

Senior AI Engineer — Lead Production GenAI at Enterprise Scale

Aily Labs in Madrid, Barcelona, and Munich is hiring AI Engineers who will build agentic decision systems at enterprise scale. You will ground agents in structured data, orchestrate multi-agent workflows, and focus on latency and robustness for production use. The role demands 5+ years of experience in ...

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    Remote Fullstack Engineer Java Angularreact Jobs in Spain Job Search Guide, Trends and Insights