Senior frontend engineer | Ux/Ui | Fully remote | B2B

Fullinfo is looking for a Senior Frontend Engineer who can take ownership of the user interface and bring technical clarity to a fast evolving product. You will design, build and refine a TypeScript based frontend in Angular with heavy UI components. Everything is deployed serverless on Amazon Web Services. This is a fully remote role. We prefer candidates based in Brazil, Argentina, Turkey, Croatia or Portugal. About us Fullinfo is a self funded software company building a new way to search and use company data. We are developing a one stop platform that helps sales and marketing teams discover leads, contacts and insights. Fast, intuitive and deeply searchable. Think Google Search meets CRM enrichment. With filters, structured results and powerful integrations like Hubspot and Salesforce. The frontend is built in Angular using TypeScript and GraphQL. The backend runs serverless on AWS using Lambda, DynamoDB and OpenSearch. We are not dependent on investors and have no funding pressure. That gives us the freedom to focus on quality and build a product we actually believe in. Role description You will take technical ownership of the frontend and work closely with product, design and backend to bring the interface to life. You will write structured, high performance code. You help shape our component library and are not afraid to question design choices. You translate user needs into smart, responsive and reliable interfaces. You will work directly with designers and act as a technical sparring partner. You give feedback on feasibility, suggest alternatives and improve the final result. You will also mentor other engineers, review code, and bring consistency to how we build and ship frontend features. Your work includes: Writing frontend applications in Angular and TypeScript Building highly reactive and responsive interfaces Structuring and scaling our component library Collaborating with designers on performance and feasibility Optimising rendering and load times for different platforms Implementing and maintaining e2e tests with Cypress and unit tests with Jest Querying data through GraphQL and integrating with AWS based services Requirements At least five years of experience in frontend development Excellent knowledge of Angular (up to version 19)Strong skills in TypeScript, GraphQL and Node Fluent in HTML5, CSS3, SASS and Tailwind You build pixel perfect, mobile ready and fast interfaces Experience with OpenSearch and programmatic query building You write maintainable tests and understand CI workflows Fluent in English You live within three hours of Central European Time Bonus: You have built meaningful animations that support user experience You have experience with image manipulation or face detection You have mentored other engineers or led small teams You enjoy acting as a bridge between design and development You care about consistency, structure and clarity in your codebase Conditions A twelve month contract as a B2B contractor with a maximum daily rate of $260Fully remote work A flat structure with lots of ownership A motivated team that values quality and clarity A chance to shape the frontend from day one No micromanagement. Just trust and impact Competitive compensation at senior level The hiring process includes an intro call, a technical assignment and a final conversation with our engineering team. Interested?Send your resume to or message Lars at +31 . Fullinfo is exclusively partnering with Haystack People for this role. They will support you throughout the process and handle the initial screening, focusing on both your relevant experience and the soft skills that match the company's needs.