Full Stack Developer (TypeScript)

Full Stack DeveloperWe are looking for a Full Stack Developer based in Latin America to work on a long-term project for one of our clients, a Fintech company based in Los Angeles, California.Our client is on a mission to build products that level the financial playing field. Their banking app helps millions of members bank, budget, find work, build credit, and access up to $500 advances without paying a fee.ResponsibilitiesDesign, build, and maintain backend systems powering member account management and cross-product interactions.Build and evolve GraphQL APIs in a federated microservice environment: schema design, resolver implementation, entity extensions, DataLoader usage, and backward-compatible changes.Drive modernization initiatives, including legacy and large-scale data migrations with safe rollout plans.Contribute to feature design early, ensuring risk and architectural considerations are built in from the start.Deliver high-quality code incrementally through well-scoped PRs.Write thorough unit, integration, and e2e tests; conduct effective code reviews.Identify and resolve performance issues in new and existing code.Communicate trade-offs clearly and proactively seek clarity on priorities when needed.RequirementsAdvanced level of English4+ years of backend development experience.4+ years of TypeScript on Node.js.3+ years with MySQL and Google Cloud Platform.Experience with microservices and federated architecture.Experience with GraphQL, Apollo/Yoga, gateways, schema registries, or composition tools.Experience with ReactJS and JavaScript.Ability to explain system architecture and component design.Collaborative team player.Bonus PointsBachelor's degree in Computer Science, Systems Engineering or related fields.Experience with large-scale data migrations, dual-write/read patterns, and backfills.FinTech experience.What We OfferLong term positions.Compensation in USD.Paid time off.Cool clients and products.Work with great engineers.