RG.

Tech Lead Singapore

Richmond
Goh.

I lead the backend systems behind digital healthcare products.

Cloud-native architecture, secure APIs, and practical AI integration—from first design decisions through production.

Explore my experience

01 / Experience

Where I've worked

Four roles across healthcare, consulting, media, and automation. The common thread: building systems that hold up in production.

  1. Aug 2022 — Present

    Singapore

    Zuellig Pharma

    Principal Lead

    Progressed from Senior Golang Backend Lead to Principal Engineer, leading technical direction and hands-on delivery for regional digital health products.

    • Architected GCP microservices and brought AI/LLM capabilities into healthcare workflows.
    • Standardised REST and GraphQL APIs, introduced a hexagonal microservice template, and led cross-functional teams through delivery.
    • Delivered patient care and adherence platforms with payment integrations and security controls.

    Worked withGo · Python · Node.js · GCP · Cloud Run · Pub/Sub · Vertex AI · PostgreSQL · REST · GraphQL

  2. Mar 2022 — Aug 2022

    Singapore

    Xebia

    Senior Backend Engineer

    Built distributed backend services for a global technology consultancy, with a focus on API interoperability and release quality.

    • Developed REST and gRPC APIs in Go and integrated RabbitMQ for asynchronous messaging.
    • Added unit-testing frameworks to improve coverage and confidence in releases.

    Worked withGo · REST · gRPC · RabbitMQ · AWS CodeCommit · Unit testing

  3. Jan 2021 — Mar 2022

    Singapore

    Singapore Press Holdings

    Backend Engineer

    Developed cloud-native services supporting mobile and digital media platforms.

    • Built Go microservices on AWS and added search and caching features for mobile backends.
    • Used infrastructure as code and CI/CD tools to streamline provisioning and deployment.

    Worked withGo · AWS ECS · Lambda · API Gateway · X-Ray · Elasticsearch · Redis · Terraform · CloudFormation · CodePipeline

  4. Dec 2018 — Jan 2021

    Singapore

    NCS Group

    Application Consultant

    Turned client requirements into production-ready process automation for public- and private-sector teams.

    • Led discovery and design workshops, then implemented and tested RPA workflows.

    Worked withUiPath · RPA · Requirements design · End-to-end testing

02 / Expertise

What I work with

Architecture and delivery are the through-line; tools are chosen to suit the system and team.

Backend & data

Go, Node.js, Python, PostgreSQL, REST, GraphQL, gRPC, microservices

Cloud & delivery

GCP, AWS, Azure, Cloud Run, Terraform, CI/CD, event-driven systems

AI & integration

Vertex AI, LLM integrations, Pub/Sub, Kafka, RabbitMQ, secure API design

03 / Background

The foundation

Education and selected credentials.

Education

BSc (Hons) in Computer Science

Coventry University · 2019

Google Cloud Skills Boost

Generative AI Leader

Issued Mar 2026 · Expires Mar 2029

Credential ID: d7ff8e7f3c604ee0ac2a5a81885c43121

Automation

RPA credentials

UiPath RPA Developer · Automation Anywhere Certified Advanced RPA Professional (V11.0)

04 / Contact

Let's talk systems

Interested in backend architecture, cloud platforms, or AI-enabled products? I'd be glad to connect.

Email me Connect on LinkedIn Explore my GitHub