Senior Software Engineer (Golang/TypeScript/React) - Independent Contractor

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer (Golang/TypeScript/React) - Independent Contractor based in United States. This is a senior engineering opportunity focused on building and evolving a data-intensive platform used by major global organizations and financial institutions. You will work across backend microservices and modern frontend applications, combining Golang, TypeScript, and React to deliver reliable and performant products. The role offers meaningful ownership, with engineers expected to take features from initial ideas through production and ongoing improvement. You will contribute to technical strategy, architectural decisions, engineering standards, and the modernization of existing systems. The engineering environment emphasizes observability, automation, performance, clean code, and continuous improvement. You will collaborate within a distributed technical organization while engaging with Product and stakeholders across the wider business. The position is fully remote and requires working US Eastern Time hours to maintain strong collaboration with the broader team.