senior software engineer - full stack js

Full-Stack EngineerOwn products for years rather than weeks — build them properly, keep them alive, and make the agentic build method something a team can rely on.Mainloop is a new engineering team inside an established international group. We are in Barcelona, we are being built from scratch this year, and we have the backing, the customers and the...

Full-Stack EngineerOwn products for years rather than weeks — build them properly, keep them alive, and make the agentic build method something a team can rely on.Mainloop is a new engineering team inside an established international group. We are in Barcelona, we are being built from scratch this year, and we have the backing, the customers and the...

Descripción del trabajo Senior Full Stack Software Engineer (TypeScript / React) – AI & LLMs We are: Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global...

OverviewSiga leyendo para comprender completamente lo que este trabajo requiere en cuanto a habilidades y experiencia. Si su perfil encaja, presente su candidatura.As a Senior Full-Stack Engineer, you will design and build data-heavy user interfaces and own customer-facing workflows end-to-end. You’ll work across the stack, collaborating on backend...

Wizeline, a global AI-native technology solutions provider, develops cutting-edge, impact. Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of...

BME - Bolsas y Mercados Españoles - drives the transformation of financial markets and belongs to SIX, the third largest exchange group in Europe. 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...

Wizeline, a global AI-native technology solutions provider, develops cutting-edge, impact. Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of...

Capitole Consulting is seeking a Senior Full Stack Software Engineer to join an international team developing cloud-native applications using modern technologies and best engineering practices. You will work with AWS Cloud, Node.js, TypeScript, NestJS, Angular, and microservices in a distributed environment.Ideal candidates have 5+ years in software...

Capitole Consulting is expanding its international team of engineers.Por favor, lea detenidamente la información de esta oferta de empleo para entender exactamente qué se espera de los posibles candidatos.We are hiring a Senior Full Stack Software Engineer to build cloud-native applications with Node.js, TypeScript, Angular, and AWS-based...

Ersilia in Barcelona is seeking a Senior Full Stack Engineer to own product features across frontend and backend. You will build with React on the frontend and Node.js on the backend, delivering high-quality software used by customers daily. Based in Barcelona with a hybrid model, you will collaborate with Product and Design, influence technical decisions,...

Capitole Consulting is seeking a Senior Full Stack Software Engineer to join an international team developing cloud-native applications using modern technologies and best engineering practices.You'll work with Node.js, TypeScript & NestJS, Angular and AWS Cloud, building microservices & REST APIs with Kafka. 100% remote, with a €1,200 annual training...

In this role, you will be architecting features from the database to the browser. Your center of gravity is the Go backend, APIs, data models, system design, but you'll move into the React/TypeScript frontend whenever the feature requires it. You'll join an experienced and supportive team where you'll have a significant voice in shaping both our technical...

Anywhere within Spain, Spain | Posted on 09/09/2026On this occasion, we are looking for a Senior Full-Stack Engineer to join our Network Intelligence area. As a Future Connections developer, you will be part of a multidisciplinary team of Telco engineers and software developers building cross-platform applications for network optimisation, automation,...

Anywhere within Spain, Spain | Posted on 09/09/2026Para presentar una candidatura, simplemente lea la siguiente descripción del puesto y asegúrese de adjuntar los documentos pertinentes.On this occasion, we are looking for a Senior Full-Stack Engineer to join our Network Intelligence area. As a Future Connections developer, you will be part of a...

N-iX is recruiting a Senior Full-Stack Engineer to work on Kotlin backend and React/TypeScript frontend, with a strong preference for frontend or backend depth and the ability to move across layers to unblock delivery.Join a European fintech client with AWS-first architecture and cross-functional squads, delivering AI-native practices across the CDLC and...

N-iX is recruiting a Senior Full-Stack Engineer to work on Kotlin backend and React/TypeScript frontend, with a strong preference for frontend or backend depth and the ability to move across layers to unblock delivery.Join a European fintech client with AWS-first architecture and cross-functional squads, delivering AI-native practices across the CDLC and...

A leading software development company in Zaragoza is looking for a Full Stack Engineer (Senior/Lead) to join their agile team. The ideal candidate will have over 5 years of experience building scalable systems and proficiency in ReactJS, NodeJS, and React Native. Responsibilities include developing new features and ensuring application performance. The...

Capitole is hiring a Senior Full Stack Software Engineer to work 100% remotely from Spain. You will design and implement microservices and distributed systems using Node.js, TypeScript, and NestJS, with Angular on the frontend.Strong AWS, Docker, and Kubernetes experience is required, along with PostgreSQL and MongoDB proficiency. Ideal candidates have...

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 Dev Ops-driven deployments, and async...

Full Stack Engineer MindMatch•Valencia, comunidad valenciana, Spain Senior Full Stack Software Developer - FinTech Platform At Shakers, we're partnering with a company building a next-generation financial services platform to bring on a Senior Full Stack Software Developer. It's a hands‐on role with real ownership over core systems, working two days...