Full Stack Engineer

Introduction: Very Good Ventures is a global consultancy that delivers clients elegant solutions using disruptive technologies. At VGV, we believe that building very good technology starts with a culture of excellence, collaboration, humility, and openness – and of course, have a very good time while doing it.  We place our company values and culture at the forefront of everything we do.  Rising to prominence as the foremost Flutter experts, VGV is at an exciting stage of growth as we expand our global presence and our range of strategic services. Our mission is to lead the most influential companies through new digital frontiers and improve the relationship between technology and those that create, manage, and experience it. VGV's client roster spans industries, including Toyota, Google, Dow Jones, JSX, Betterment, and Norwegian Cruise Lines.  People come to work at VGV to solve challenging problems with the newest technology, alongside some of the best talent in the industry, and in a culture that remains steadfastly dedicated to its employees. Overview We are seeking a hands-on Full Stack Engineer (contractor) to build UI and integrate with existing backend services. Contract Details Location: EU (ideally inSpain) Contract Duration: One month (with high potential for extension) Estimated start date: March Key Responsibilities Backend & Integration Build and maintain integration services to call third-party APIs, including authentication, configuration, error handling, and rate limiting.Normalize and structure API responses into the product's existing JSON and telemetry schemas.Implement routing logic between multiple data sources.Add feature flags and environment-based configuration (dev / test / prod).Instrument telemetry for API performance, usage metrics, and engagement tracking. Frontend & UI Build and enhance PC-based UI components to:Display interactive options in search results.Render answers and follow-up suggestions in a polished, user-friendly view. Implement smooth, performant UI animations and transitions using or similar libraries (GSAP, Framer Motion).Ensure UI components are accessible, responsive, and performant. Requirements 4+ years of experience as a Full Stack Engineer building production features for consumer-facing applications.Strong backend experience with C# or similar languages such as Java or Kotlin.Frontend proficiency with HTML5, CSS, and modern UI animation libraries , GSAP, Framer Motion, or equivalent).Solid experience integrating third-party APIs, including:Comfortable working in fast-paced environments with evolving requirements. Nice-to-Have / Bonus Experience shipping features in desktop or PC-based applications.Familiarity with feature-flagged rollouts and staged environment deployments.Experience with observability, logging, and multi-provider integration strategies. Hourly Rate: €68 to €72. Company Values Raise the Bar Grow with Grit Build Momentum Collaborate with Candor Enjoy the Ride Very Good Ventures is an equal opportunity employer and welcomes applicants from all backgrounds. We are committed to providing a fair and inclusive work environment, free from discrimination and harassment, and promoting diversity in our workforce. We value and celebrate the unique perspectives and contributions of each member of our global workforce, regardless of race, color, religion, sex, national origin, age, disability, sexual orientation, gender identity, or any other legally protected characteristic. We believe that a diverse and inclusive workforce is essential to our success as a company.