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VN - GraphQL Engineer - 174 at Thaloz. We are seeking a senior GraphQL Engineer to help design and operate scalable API platforms that power critical customer-facing and internal services. This role is central to delivering reliable, performant federated GraphQL experiences and improving developer productivity across services.. You will work primarily with TypeScript or JavaScript and GraphQL, applying best practices for federated graphs and Apollo tooling where applicable. This is an opportunity to shape API architecture, observability, and deployment practices across Kubernetes and AWS-managed infrastructure.. Responsibilities. Design and implement GraphQL schemas and resolvers using TypeScript or JavaScript. Build and maintain federated GraphQL services and integrations with Apollo GraphQL products. Develop server-side logic and APIs that support stable, high-performance GraphQL operations. Instrument services with observability tooling and dashboards to monitor performance and reliability. Deploy, operate, and troubleshoot services running on Kubernetes and AWS EKS. Collaborate with backend, DevOps, and product teams to define API contracts and evolution strategies. Implement caching and state strategies using Redis and AWS Elasticache where applicable. Drive incident response, postmortems, and continuous improvement for GraphQL platform reliability.. 5+ years of professional software engineering experience, with at least 3 years focused on API development. Strong proficiency in TypeScript or JavaScript for backend development. Deep experience with GraphQL, including federated graph concepts; experience with Apollo GraphQL products is a plus. Practical experience deploying and operating services on Kubernetes (EKS) in production. Experience with observability tooling such as Datadog, Prometheus, or New Relic for monitoring and alerting. Familiarity with Redis and AWS Elasticache operational patterns. Solid collaboration and communication skills; experience working across engineering and product teams. Demonstrated ability to design for scalability, reliability, and maintainability in distributed systems.. Nice-to-Have Skills. Experience with Python frameworks such as FastAPI and Strawberry GraphQL. Experience developing services in Go. Experience with Java or Kotlin on the server. Familiarity with AWS Lattice or other AWS-managed service patterns.. Company Location: Brazil.