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Full Stack Developer - Test-First Engineering (Public Sector)
Build and test full-stack web apps for public-sector clients using React/TypeScript on the frontend and Node.js on the backend, while driving a test-first culture with Playwright, Selenium and accessibility checks.
Software Engineer in Test - II
Write and run automated tests for mobile and web apps, covering UI, performance, regression, and integration to ensure Kredivo’s fintech products meet acceptance criteria.
Senior Software Development Engineer in Test
Senior SDET at Ajaib, Indonesia’s top fintech platform, builds and scales test automation frameworks for microservices, APIs, and mobile apps to ensure zero-defect releases.
Software Development Engineer in Test (SDET)
Design and maintain automated test frameworks for secure payment systems, using Java/Python and tools like Selenium or Postman to ensure reliability and performance.
Senior Software Development Engineer in Test
Senior SDET at Ajaib, Indonesia’s top fintech platform, leading test automation and quality engineering for microservices, APIs, and mobile apps to ensure zero-defect releases.
Senior Software Architect
Lead the architecture of a web-scraping and AI-powered data-extraction platform, designing distributed services, browser automation, and cloud pipelines to scale data acquisition for multiple markets.
Middle+ QA Engineer
Owns end-to-end QA for web and mobile apps, designs test cases, validates APIs, and applies AI tools to improve quality and coverage.
QA Automation Engineer
Build and maintain automated QA frameworks using Selenium, Katalon, and UFT, automate API and performance tests, and collaborate with DevOps for CI/CD pipelines.
Full-stack-Entwickler (m/w/d)
Build and maintain critical B2B and wholesale connectivity tools using Python, JavaScript/TypeScript, and geodata workflows; modernize legacy front-end systems with containerized services and automated testing.
Full Stack Engineer(Java / React) (€40K - €44K)
Build and maintain full-stack Java/React applications for retail software, focusing on backend microservices and scalable solutions in a fully remote or hybrid setup.
Desarrollador/a Full Stack Python/Django
Build full-stack web apps in Django (backend) and HTML/CSS/JavaScript (frontend) for clients in Spain and France, integrating external APIs and automation tools.
Senior Full Stack Engineer
Build and maintain full-stack applications using Java/Spring Boot, Angular, and AWS services while leading code reviews and mentoring engineers.
Full-Stack .NET Developer: Build & Integrate ERP Systems
Build and integrate ERP systems using .NET, React, and cloud tools while collaborating on AI, IoT, and cybersecurity projects.
Full stack developer with architecture knowledge
Build and maintain B2B invoicing systems handling €20B+ in transactions using Java/Spring, Angular, Kafka, and Kubernetes for REWE’s retail tech stack.
Full Stack Developer .NET - Alto Urola (Gipuzkoa)
Builds and maintains full-stack .NET applications with React frontends, integrating robotic systems, ERPs, and messaging tools while ensuring code quality and tech obsolescence checks.
DevOps Security Engineer
Owns security, QA, and DevOps for a Web3 wallet and crypto trading tools, hardening AWS infrastructure, CI/CD pipelines, and codebases against OWASP Top 10 and Web3-specific threats.
Developer Backend Senior .NET (+6 años & ESPAÑA)
Senior backend engineer building .NET services with DDD, CI/CD, and testing; working on-site in Barcelona.
Developer Backend Senior .NET
Backend .NET developer building and maintaining web services using .NET Core/Framework, DDD, CI/CD, and testing pipelines in a mixed-office role in Barcelona.
Senior Java BackEnd Developer – Spring Boot / Kubernetes / Kafka – Barcelona (Híbrido)
Senior backend developer building and maintaining high-impact Java services with Spring Boot, Kafka, Kubernetes and AWS, collaborating with international teams.
Backend Software Developer (Symfony)
Build and maintain backend services for an ad-tech platform using Symfony, PHP, and RESTful APIs to serve and manage video ads across publisher sites.