senior full stack engineer

Spain | Remote | Senior Engineering OpportunityMaxIT Consulting – Max Corporate Group is looking for a Senior Full-Stack Engineer, Consumer Fintech to join a fast-growing New York fintech company building banking and payment products for US prediction markets and regulated gaming.The company develops consumer-facing financial products covering account...

EY GDS Spain is seeking a highly skilled Full-Stack Engineer (Python and Angular) to build modern web applications and actively explore AI features such as LLM APIs, embeddings, and RAG workflows to enhance real‑world products.Join a hybrid work model with opportunities for career development, collaboration with product, design, and AI teams, and a culture...

Frontiers is seeking a Senior Full-Stack Engineer with a backend lean to join the RTM team. You will own complex backend systems and full-stack features end-to-end, from specification refinement to production monitoring.The role emphasizes autonomy, ownership, and technical leadership, with a distributed, AI-enhanced development lifecycle and a focus on...

A software company in Las Palmas seeks a Senior Software Engineer to lead the development of web and mobile applications. The role involves collaborating with cross-functional teams and integrating AI tools into workflows. Candidates should have over 6 years of experience in software development, system design skills, and a Master's degree in Computer...

Óscala is expanding its remote-capable Full Stack Senior Developer team to support a growing client base across Europe. You will enhance and maintain the Reseller platform, drive backend tasks in a multidisciplinary squad, and collaborate with Product and Customer Success teams to deliver scalable features with high quality.We value strong CS fundamentals,...

Second Window busca un Senior Full Stack Developer para impulsar proyectos financieros y bancarios. Se requiere dominio en Java Spring Boot, Angular y bases de datos SQL, con experiencia en CI/CD, microservicios y DevOps. Se valorará IA integrada en flujos de entrega.La oferta es 100% teletrabajo desde España, con contrato indefinido desde el primer día y...

Portless is seeking a senior full-stack engineer to own and scale major pillars of our global supply chain platform, delivering end-to-end features for the B2B portal and logistics engine.You’ll design heavy-duty API integrations with OMS/WMS/TMS, build in a serverless, cloud-native stack, and drive resilient architectures in a remote-first, globally...

Seeking a Senior Full Stack Engineer with backend leaning skills to join a B2B SaaS startup in the events industry. Role involves full-stack development, infrastructure management, and leveraging AI tools. Primarily remote with some office presence in Barcelona.

EY GDS Spain is seeking a Senior Full Stack Developer with strong Angular and Spring Boot experience to design, build, and maintain enterprise web apps. You will ensure accessibility with WCAG 2.1 AA and collaborate with global teams to deliver scalable, secure solutions.You will drive frontend architecture, mentor juniors, and contribute to CI/CD in a...

Quik Hire Staffing is seeking a Senior Full Stack Engineer to design, develop and maintain full-stack applications remotely. The role involves collaborating with cross-functional teams to deliver scalable solutions and high-quality software across the stack.You will build RESTful APIs, microservices, and data architectures, write clean, well-documented code,...

EY GDS Spain is seeking a Senior Full Stack Developer with strong Angular and Spring Boot experience to design, build, and maintain enterprise web apps. You will ensure accessibility with WCAG 2.1 AA and collaborate with global teams to deliver scalable, secure solutions.You will drive frontend architecture, mentor juniors, and contribute to CI/CD in a...

BESTSECRET in Málaga is expanding its tech hub and hiring a Full Stack Software Engineer to build a Kubernetes-based supply platform. You will develop backend services in Java/Spring Boot, collaborate with product, design, and BI teams, and help automate end-to-end purchasing and onboarding workflows.The role emphasizes data-driven decision-making,...

E‑Frontiers is seeking a Senior or Lead Full-Stack Developer to join an international project. The role is fully remote from Spain with occasional travel to Milan for 2-3 days every few months. Italian is mandatory for this position. 12‑month duration with potential extension.Holders of strong AWS, Terraform/CloudFormation, Docker, Node.Js, React, Jest...

CONVOTIS Iberia busca un perfil full stack senior para participar en su programa de talento remunerado centrado en Spec-Driven Development. Se valorará experiencia en arquitectura y diseño de APIs, y la disposición a formarse en este enfoque para después incorporarse a un proyecto real dentro de la compañía.Ofrecemos formación, acceso a herramientas...

Cakewalk is seeking a Senior Full-Stack Engineer to build and improve customer-facing features across the frontend and backend. You will own features from early discussions through implementation, testing, release, and ongoing maintenance.You will collaborate with Product and Customer Success to translate customer needs into reliable, maintainable solutions,...

Make an impact with NTT DATA Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive. Your day at NTT DATA The...

Senior AI-First Full-Stack Engineer MaxIT 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...

We are looking for a Senior Full-Stack Engineer with a strong backend lean to join the team that builds and evolves the platform powering this experience. You will work on the Research Topic Management (RTM) application — a distributed .NET system with Vue/Nuxt frontends, SQL Server-heavy data operations, Github/Azure DevOps-driven deployments, and async...

ISOLUTIONS in Barcelona is seeking a Senior Full Stack Developer to join an international team. You’ll work with C#, .NET, React and TypeScript in a hybrid setup from Barcelona, collaborating with teams in Switzerland to deliver high-value software.The role emphasizes design decisions, architectural discussions, and a strong focus on delivering business...

Preply is seeking a Senior Full Stack Engineer for the CRM team. You will own backend services in Python/Django and frontend work in React/Typescript, enabling automated, AI‑assisted communications across millions of learners and tutors. You’ll lead cross‑functional initiatives, ship features quickly, and mentor others while focusing on scalable,...