Tech Lead managing the technical direction and delivery of a new marketplace platform. Leading a dedicated build team while maintaining legacy system oversight during migration.
Responsibilities
Lead the technical direction and delivery of a new marketplace platform
Drive a greenfield platform build while maintaining oversight of a legacy system
Design and review event-driven distributed systems across platform services
Define API contracts, messaging topology (SNS/SQS), and database schemas (PostgreSQL)
Establish architecture patterns and evaluate AI-generated code
Own technical decision-making balancing speed with long-term maintainability
Lead end-to-end platform delivery from design through production go-live
Run tight sprint cadences with clear goals and retrospectives
Set up on-call rotations, incident response processes, and runbook documentation
Build and lead the new platform team from onboarding through production delivery
Mentor existing .NET developers transitioning to the TypeScript stack
Requirements
6+ years of backend engineering experience, with 2+ years in a tech lead or senior architect role
Strong proficiency in TypeScript and Node.js
Deep experience with event-driven architectures: message queues (SQS, SNS, Kafka), async workflows, idempotency patterns
Production experience with AWS services: EKS/Kubernetes, Aurora/RDS (PostgreSQL), ElastiCache (Redis), SQS/SNS
Experience designing and operating distributed systems with proper observability (structured logging, distributed tracing, dashboards)
Proven ability to run agile delivery: sprint planning, backlog management, retrospectives
Strong code review culture — can review PRs for correctness, security, and design quality
Familiarity with .NET 6 / .NET Framework (for legacy oversight during migration)
Experience with AI pair programming tools (Copilot, Claude, Cursor) and AI-native development workflows
Experience migrating systems from monolith to microservices
Contract testing experience (Pact or similar)
Experience integrating with third-party marketplace APIs (e.g., Shopee, Lazada, Grab, or similar)
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