> Markdown version of [/jobs/ext/2004373-full-stack-engineer](https://www.wearedevelopers.com/jobs/ext/2004373-full-stack-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full Stack Engineer - **Company:** Constructor - **Location:** Barcelona, Spain (Remote available) - **Salary:** €80,000.0 - €110,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Amazon Web Services, Microsoft Azure, Relational Databases, Software Debugging, Software Design Patterns, Distributed Systems, Django Web Framework, Python (Programming Language), PostgreSQL, MySQL, Networking Basics, Service-Oriented Architecture, SQL Databases, TypeScript, Web Applications, Google Cloud, ReactJS, Flask (Web Framework), Caching, AWS Lambda, Backend, Fastapi, Information Technology, Front End Software Development, Vertica, Api Design, Serverless Computing - **Published:** August 9, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role + Strong foundation with client-side JavaScript, computer science background & familiarity with networking principles. + Solid experience with TypeScript and frontend frameworks like React. + Experience building, maintaining, and debugging full-stack web applications. + Experience with Python and one of the backend frameworks like FastAPI, Flask or Django, or willingness to learn and work with this stack. + Good understanding of API design principles. + Familiarity with Service-Oriented Architecture (SOA). + Experience with relational databases, distributed systems, and caching solutions (MySQL/PostgreSQL). + Analytical skills and experience with SQL to gather insights into dashboard reports and solutions (ClickHouse, Athena). + Experience with any of the major public cloud service providers: AWS, Azure, GCP. + Experience collaborating in cross-functional teams. + Excellent English communication skills. + Must be located within or near the WET timezone (e.g., Germany, Portugal) and available to work core business hours approximately 9:00 AM - 6:00 PM WET. This is critical to ensure continuous coverage and rapid response to customer and CSM queries across timezones. Nice to Have + Familiarity with serverless design patterns, particularly with AWS Lambda. + Experience working in remote environments. ## Description The Recommendation Cross-Channel & Offsite Discovery team is new and looking for a Senior Fullstack Engineer who will help us build our Customer Dashboard interface for customers to easily manage their marketing campaigns., The primary focus of this job is to help implement, deliver & maintain our web application features in close collaboration with other engineers. + Implement New Features: Develop customer dashboard features using TypeScript and React. These features will interact with our backend services, which are built with Python and FastAPI. + Innovate and Strategize: Participate in brainstorming sessions to develop new features and tools that will shape the future of Offsite Discovery. + Collaborate on Functionality: Work with both technical and non-technical business partners to develop and update application functionalities. + Communicate with Stakeholders: Keep stakeholders, both inside and outside the team, informed about project progress and developments. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [HTTP headers that make your website go faster](https://www.wearedevelopers.com/videos/1676-http-headers-that-make-your-website-go-faster) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) - [Event based cache invalidation in GraphQL](https://www.wearedevelopers.com/videos/433-event-based-cache-invalidation-in-graphql) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)