System Analyst

System Analyst >> Ugently Type : Permanent Location : Bangkok

• Own the end-to-end architecture: Next.js frontend, NestJS backend, Python and Go microservices, Kong API gateway, PostgreSQL, MongoDB and Oracle, and the integration with the principal's engine over REST and ActiveMQ. • Lead knowledge transfer from the current vendor: recover undocumented design from code, database and functional specifications, and write it down as architecture documents. • Prove that the in-house team can build, test and deploy the platform from source. • Set coding standards, branching and release rules, code review and definition of done. • Design integration and data reconciliation with external systems and third-party APIs. • Lead remediation of SAST, SCA and DAST findings: decide fix or justified false positive, and defend the decision with the client's security team. • Agree interface contracts with the international principal and coordinate changes that cross that boundary. • Lead the writing of functional and technical specifications: use cases, business rules, data flows, ERDs, API specifications and acceptance criteria. • Lead reverse-documentation of existing behavior, module by module, from source code, database queries, functional design documents and user manuals. • Keep traceability from requirement to code to UAT scenarios with testers. • Explain business logic and data flow to the client's security reviewers, for example when a value can legitimately be empty a