Empleos de mid-level full-stack developer en Valencia

Build the Security Infrastructure Powering Global Investing Have you built and operated scalable backend services while delivering modern frontend applications? Do you enjoy solving engineering challenges around security, authentication, high availability and distributed systems? Have you worked on systems serving millions of users, handling thousands of...

Albertine builds white-label digital concierge experiences for luxury brands and their members. The product runs on a multi-tenant TypeScript platform: a Hono API that powers member-facing concierge apps, LMT - the internal platform agents use to manage members and operations - plus payments, recommendations, messaging, and a growing set of third-party...

Company:SimpleStudy is a consumer AI platform for students.We help them stay motivated to study their subjects - everything from Biology and Mathematics to Literature and Art.We are a remote team with a Lisbon office, having recently raised ~$4M seed round with incredible investors from Strava, OpenAI, and Meta.Team:Engineering is strong, anchored by Affan...

Build the Security Infrastructure Powering Global Investing Have you built and operated scalable backend services while delivering modern frontend applications? Do you enjoy solving engineering challenges around security, authentication, high availability and distributed systems? Have you worked on systems serving millions of users, handling thousands of...

Albertine builds white-label digital concierge experiences for luxury brands and their members. The product runs on a multi-tenant TypeScript platform: a Hono API that powers member-facing concierge apps, LMT - the internal platform agents use to manage members and operations - plus payments, recommendations, messaging, and a growing set of third-party...

Bridgenext is seeking a Senior Full Stack Engineer to join our LATAM-focused automation platform project for the fitness and wellness industry.You will own the execution stream from concept to production, collaborating with a Product Owner and a board with defined designs and tickets.This role emphasizes shipping value, not just planning, and offers growth...

This position is listed on behalf of a partner company, which manages all applications and next steps.Our partner is looking for a Lead Teacher – Software Development & AI (Full-Stack) IT SkillSprint based in Spain.Are you passionate about software engineering, artificial intelligence, and shaping the next generation of tech talent?As Lead Teacher, you...

eXperience IT Solutions, grupo tecnológico con más de 25 años, busca Full Stack Developers para trabajar en soluciones en la nube y datos.Antes de solicitar este puesto, por favor, lea la siguiente información sobre esta oportunidad que encontrará a continuación.Desarrollo frontend y backend con un stack moderno (React, TypeScript, Next.js, Python,...

Senior AI-First Full-Stack EngineerMaxIT Consulting – Max Corporate Group is looking for a Senior AI-First Full-Stack Engineer to join a fast-growing European technology company building an AI-powered workforce platform for the healthcare sector.The company operates a multi-sided marketplace used by hundreds of hospitals and care organizations across...

5Blue Software is seeking a Senior Full-Stack Developer to join an international team building an AI-powered B2B platform. You will own features end-to-end, from design to production, across frontend and backend, while applying an AI-first approach.You’ll collaborate with engineering and product teams across time zones, use Claude Code or similar tools,...

UST España & Latam is seeking an experienced Full Stack Developer to join our team in Spain. You will design, develop and maintain scalable web applications across frontend and backend, leveraging Angular, Node.Js, Spring Boot, and OpenShift.You will work across architecture layers, build RESTful services, and contribute to DevOps practices. The ideal...

Journi Limited, a London-based technology consultancy, partners with businesses to support their technology needs from strategy through delivery. We build bespoke software, drive digital transformation, team augmentation, and ongoing technical support to help clients scale quickly with experienced professionals.The role is a Full Stack Engineer with .NET 6+...

Senior Full Stack Engineer (React & Java) We build and operate Connect, a SaaS platform for the beauty & wellness industry that helps entrepreneurs run their businesses more effectively, built by Treatwell. Our web products are used daily by tens of thousands of people across 13 European countries. Our teams own their areas from initial idea and design...

Anyone Ai Inc. is seeking an experienced Senior Full Stack Developer to join our globally distributed engineering team. This is a fully remote position offering the flexibility to work from anywhere and collaborate across time zones.You will design, develop, and deploy robust, scalable web applications spanning the full technology stack. The ideal candidate...

Runware is seeking an experienced Sr. Full-Stack Software Engineer for a fully remote, contract-based position (~15 hours/week). You will tackle AI training tasks, code evaluation, and problem solving across front-end and back-end systems.You'll work with Python, React, JavaScript, and other languages, building APIs, data models, and debugging across...

En el grupo e Xperience , empresa tecnológica con más de 25 años de experiencia en el sector IT, desarrollamos soluciones innovadoras para clientes de primer nivel en distintos sectores. Apostamos por el talento, la excelencia técnica y la colaboración, ofreciendo un entorno profesional, flexible y con proyección de futuro. Actualmente buscamos...

Combina desarrollo Full-Stack, ingeniería de datos e Inteligencia Artificial en proyectos tecnológicos de entorno empresarial.En GP DIGITAL buscamosData & AI / Full-Stack Software Engineer * IBM ASPERAUn reto multidisciplinar en el que podrás trabajar con tecnologías como Python, Java, React, LLM y RAG, con la oportunidad de especializarte en IBM Aspera,...

bunch is building the backbone of private markets.We are enabling next-gen fund operations with one integrated system that combines secure data infrastructure, AI-powered workflows and expert fund services.If you value ownership, growth through real responsibility, and working with a thoughtful, ambitious team, this role might be for you.Your role You'll...

IT SkillSprint **** is an intensive training programme for third-year university students, delivered through a collaboration between Ironhack, the Innovation and Digital Development Agency (IDDA), and the Ministry of Science and Education of the Republic of Azerbaijan.#About the RoleWe are looking for an experienced, dynamic, and passionate Lead Teacher to...

idealista busca un Software Engineer para unirse al equipo de Certicalia, aportando capacidad técnica para front, back e infra. Diseñarás, construirás y operarás productos completos y ayudarás a definir la arquitectura y las decisiones tecnológicas.Se valora experiencia real en producción, con proyectos en frontend, backend, infraestructura y DevOps,...