Empleos de senior software engineer fullstack en Valencia

Packaging is a market worth several hundred billion euros, and new EU rules such as PPWR, EPR and EUDR are forcing companies to rethink how they manage it. Our client started with a digital platform for packaging procurement, connecting companies with a Europe-wide supplier network. Its newer product is an end-to-end SaaS platform for packaging management....

Affinist, a remote-first company operating across Europe, seeks a Senior Full-Stack Software Engineer for the Repayments UX team. You will own quarterly goals, guide engineers, and drive scalable features across web and mobile platforms.The role requires 4+ years of experience with React Native and web frameworks, plus backend skills in Python or Kotlin. We...

Alan, the health prevention platform, is hiring in Spain. You would join the Engineering team building AI agents that answer 1M+ members’ questions about reimbursements, coverage and claims — instantly and without a human. We move fast with ownership, ship production AI, and use a stack of React, Python/Flask, PostgreSQL. Remote-friendly, in-person...

We're working with an ambitious, well-backed AI startup building software that helps businesses automate complex, content-heavy workflows. With strong early traction, they're expanding their product and engineering team and looking for an engineer who wants to make a real impact.This is a high-ownership role combining Python backend engineering,...

Our ML-powered platform uses advanced image recognition, facial verification, face recognition, facial anti-spoofing (liveness detection), and behavior analysis to make identity decisions.We're looking for a Senior Software Engineer to help build and scale our real-time verification services, with security, scalability, and maintainability at the core. ...

Trusted by thousands of organizations across 80 countries, including Fortune 500 companies and public sector leaders, our platform supports nearly a billion end users globally in industries where documents aren't just files, they're mission-critical. We're looking for a backend engineer passionate about building robust and scalable systems, excited about...

Corporate Sales Engineer - German (Remote) Spain - BarcelonaGermany - RemoteFull timeR*****As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since ****, our mission hasn't changed - we're here to stop breaches, and we've redefined modern security with the world's most advanced...

Equitable Earth is seeking a Senior Fullstack Engineer to build and evolve web and mobile apps, collaborating with the Tech Lead and Product team. You will own features end-to-end, mentor peers, and push for high engineering quality, including AI-driven workflows. The role is fully remote with significant overlap with French business hours, offering a...

Fever, the leading tech platform for culture and live entertainment, seeks a Senior Java Software Engineer to join a distributed team from Spain. You will focus on building maintainable, scalable services, with emphasis on code quality, CI/CD pipelines, and cloud infrastructure.The role is fully remote and 100% home office friendly across Spain. You will...

We're working with an ambitious, well-backed AI startup building software that helps businesses automate complex, content-heavy workflows. With strong early traction, they're expanding their product and engineering team and looking for an engineer who wants to make a real impact.This is a high-ownership role combining Python backend engineering,...

Our ML-powered platform uses advanced image recognition, facial verification, face recognition, facial anti-spoofing (liveness detection), and behavior analysis to make identity decisions.We're looking for a Senior Software Engineer to help build and scale our real-time verification services, with security, scalability, and maintainability at the core. ...

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Senior Software Engineer – C# / .NET based in Spain.Join a globally distributed software organization developing innovative solutions that help consumer brands optimize operations, recover revenue, and grow across major retail...

We’re working with an established international iGaming business that develops online slot games across regulated markets globally. The business is now investing in the next generation of its game-engine technology, with a focus on modernising the underlying architecture, improving mathematical validation and building a new slot game engine from the ground...

Why Mozilla? Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and...

We are seeking a highly skilled and motivated Full Stack Laravel/Symfony/Node.js/React Developer to join our team. The ideal candidate will have a strong background in building scalable web applications using Symfony/Laravel, Node.js & React, with a deep understanding of Test-Driven Development (TDD) practices. Experience with Inertia.js is a significant...

Key Responsibilities Test Automation Architecture & Strategy Data pipelines (batch and streaming)APIs and backend services Data Testing Framework Engineering SQL based assertions and reconciliationSchema validation and evolution checks Break Systems Proactively (Destructive Testing Mindset) Schema drift and backward incompatibilityLate arriving data and...

We're working with an ambitious, well-backed AI startup building software that helps businesses automate complex, content-heavy workflows. With strong early traction, they're expanding their product and engineering team and looking for an engineer who wants to make a real impact.This is a high-ownership role combining Python backend engineering,...

Our ML-powered platform uses advanced image recognition, facial verification, face recognition, facial anti-spoofing (liveness detection), and behavior analysis to make identity decisions.We're looking for a Senior Software Engineer to help build and scale our real-time verification services, with security, scalability, and maintainability at the core. ...

Our ML-powered platform uses advanced image recognition, facial verification, face recognition, facial anti-spoofing (liveness detection), and behavior analysis to make identity decisions.We're looking for a Senior Software Engineer to help build and scale our real-time verification services, with security, scalability, and maintainability at the core. ...

Key Responsibilities Test Automation Architecture & Strategy Data pipelines (batch and streaming)APIs and backend services Data Testing Framework Engineering SQL based assertions and reconciliationSchema validation and evolution checks Break Systems Proactively (Destructive Testing Mindset) Schema drift and backward incompatibilityLate arriving data and...