10 publicaciones de empleo destacadas de backend web developer. en barajas madrid, madrid provincia (¡Están contratando!)

Senior Full-Stack Developer (NodeJS/Typescript)
osapiens —Madrid, Madrid provincia
- Jornada completa
- Trabajo híbrido
- Español
- Inglés
- Oficina
Solicitud rápida
Senior .Net Developer
Visiotech España —Madrid, Madrid provincia
- Jornada completa
- Trabajo híbrido
- Sistemas ERP
- Sistema operativo Windows
- Bases de datos
- Seguro médico privado
- Teletrabajo opcional
Solicitud rápida
QA Engineer (Hybrid)
Thales —Madrid, Madrid provincia
- Jornada completa
- Español
- Oracle
- Inglés
.NET Senior / Tech Lead Developer
Serviguide BPO —Madrid, Madrid provincia
- Incorporación inmediata
- Trabajo híbrido
- Bases de datos
- APIs
AI Developer
Babel —Madrid, Madrid provincia
- Jornada completa
- Trabajo híbrido
- Azure
- DevOps
- Bases de datos
- Seguro médico privado
- Flexibilidad horaria
Quality Assurance Engineer - Automation (m/f/x)
osapiens —Madrid, Madrid provincia
- Jornada completa
- Trabajo híbrido
- Azure
- DevOps
- Inglés
Solicitud rápida
Senior Full Stack Engineer
mediasmart —Madrid, Madrid provincia
- Turno de 12 horas
- Español
- Azure
- DevOps
Solicitud rápida
Senior QA AI Engineer
knowmad mood —Madrid, Madrid provincia
- Teletrabajo
- Azure
- DevOps
- Máster
Senior Backend (AI Native)
Babel —Madrid, Madrid provincia
- Jornada completa
- Teletrabajo
- Español
- Oracle
- DevOps
- Seguro médico privado
- Seguro de vida
3d
Senior API Engineer
Ebury —Madrid, Madrid provincia
- De guardia
- Informática
- Inglés
- Oficina
Solicitud rápida

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.NET Developer Senior (100% teletrabajo)
knowmad mood —Madrid, Madrid provincia
Nos encantaría si además te manejases bien con Inglés. Retribución flexible : Tarjeta restaurante, cheque guardería, seguro médico, formación y otros beneficios…
Senior .Net Developer
Visiotech España —Madrid, Madrid provincia
NET para unirse a nuestro equipo de Desarrollo, participando en el diseño, desarrollo y mantenimiento de soluciones software que se integran y operan como capa…
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Senior Full-Stack Developer (NodeJS/Typescript)

osapiens -
Madrid, Madrid provincia

Solicitud rápida

Detalles del empleo

Contrato indefinido | Jornada completa

Cualificaciones

CI/CD
Español
Node.js
React
Git
Inglés
Integración continua
Desarrollo de Back-End
REST
Escalabilidad
Agile
Cloud
Web Services
Inteligencia artificial
Alemán

Descripción completa del empleo

Description

As a Senior Full-Stack Developer, you’ll play a key role in shaping the future of Business Partner Transparency (BPT) within our osapiens HUB. We provide Supplier intelligence that goes beyond helping businesses ensure compliance with ESG regulations. We enable companies to unify transparency, compliance, and efficiency across their value chain.

Our osapiens HUB is a modern, enterprise-grade development platform that enables businesses to build powerful applications without worrying about infrastructure, scaling, or failover. You’ll help develop and refine this cutting-edge, serverless ecosystem while delivering meaningful solutions for international clients.

This role is based in Madrid, where you'll collaborate with a talented, forward-thinking team. We embrace a hybrid work model, with 3 days a week in the office, ensuring the perfect balance between in-person collaboration and remote flexibility.

Your Responsibilities

Design, build, and optimize full-stack features using modern back-end technologies, ensuring scalability and maintainability. You'll use Node.JS and TypeScript on the backend, and React.JS on the frontend.
Develop and enhance innovative software solutions that automate complex compliance workflows for businesses of all sizes.
Collaborate closely with product managers, designers, and engineers in small, agile squads (4-6 people) to define, refine, and implement features.
Ensure high-quality, secure, and efficient code through rigorous reviews, automated testing, and continuous integration/deployment (CI/CD) practices.
Own the architecture and design of Typescript based solutions, optimizing for performance, reliability, and user experience.
Contribute to technical strategy and decision-making, identifying opportunities for innovation and process improvements.
Mentor and support junior developers, fostering a culture of learning and technical excellence within the team.

Your Experience

Strong experience (ideally 5+ yrs) in full-stack development, using Node.JS / TypeScript and React.JS.
Hands‑on experience leveraging AI‑guided development practices and collaborating within agentic, AI‑driven engineering environments.
Expertise in web services development and integration (REST etc).
Familiarity with Git for version control and collaboration.
Strong product mindset – you think beyond code, considering user experience, business impact, and scalability.
Agile experience – comfortable working in sprints, participating in stand-ups, and iterating quickly.
Excellent communication skills (C1 or equivalent) in English. German and/or Spanish skills are a plus, (but not necessary).

About osapiens

osapiens develops holistic Software-as-a-Service solutions that help global companies ensure transparency, efficiency, and trust across their entire value chain. Through its cloud platform, the osapiens HUB, the company leverages innovative technologies, including artificial intelligence, to strengthen businesses while promoting human rights, ecological responsibility, and sustainable corporate governance.

Founded in 2018 and headquartered in Mannheim, Germany, osapiens works with around 2,500 companies in over 50 countries across industries such as consumer goods, automotive, fashion, pharmaceuticals, and medical products. The company is backed by Goldman Sachs and Decarbonization Partners, reinforcing its commitment to responsible, sustainable growth and has reached unicorn status in January 2026.

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