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Jian Yang Lee
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Resume

DevOps Engineer II · Singapore

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AWS-certified DevOps engineer on Vistra's Digital team in Singapore, with a background in full-stack development. Previously ran production-grade Kubernetes at Flight Centre (10+ EKS clusters across 20+ AWS accounts). Works across Infrastructure as Code (Terraform), high-availability cloud networking, CI/CD and observability, and builds AI-augmented development workflows with Claude Code. Outside work, builds and ships products: Burno and Aemantic.

Experience

  1. DevOps Engineer II, Digital TeamAug 2026 — Present

    Vistra · Singapore

  2. DevOps Engineer, Platform TeamMay 2024 — July 2026Flight Centre Travel Group · Brisbane, Australia · 9 highlights
    • Architected and maintained a high-availability AWS ecosystem (EKS, ECS, ALB, SG, S3, IAM, R53) across the Leisure pillar's core services
    • Orchestrated 10+ EKS clusters (30+ nodes) across multi-region environments, consistently maintaining 99.9% uptime
    • Established Infrastructure-as-Code standards using Terraform for corporate tools including New Relic, Octopus Deploy, GitHub Org, etc
    • Led ongoing migration of EKS clusters to EKS Auto Mode, streamlining node management and reducing infrastructure maintenance
    • Led the migration of AWS SSO from Okta to AWS IAM Identity Center across 20+ AWS accounts, redesigning permission sets and access policies to delegate elevated access management to engineering teams
    • Led the global log migration (WAF, CloudFront, EKS) from FireEye to Google SecOps (SIEM), and implemented AWS GuardDuty Malware Protection, strengthening the security posture for consultant-facing apps
    • Spearheaded migration of 20+ teams from legacy Rundeck to an Octopus Deploy + Helm ecosystem, reducing deployment errors by 30%
    • Engineered cross-account and cross-region network topologies, utilising VPC Peering and Endpoints (PrivateLink)
    • Implemented New Relic Deployment Markers across 20+ applications, reducing MTTR by 15%
  3. Full Stack Engineer, Payments TeamMay 2023 — May 2024Flight Centre Travel Group · Brisbane, Australia · 4 highlights
    • Developed new features for the Payments Platform and Gift Card Portal, across both frontend & backend — utilising React, TypeScript, SQL, AWS SDK
    • Integrated with third-party platforms such as Adyen and Salesforce, implementing dynamic dashboards providing Flight Centre consultants with intuitive and actionable insights
    • Deployed and managed cloud infrastructure as code using AWS CDK — utilising SQS, SNS, Lambda, API Gateway, Route 53, and CloudFront
    • Leveraged CloudWatch Logs and Splunk for comprehensive debugging, log analysis and testing of applications
  4. Jnr Software Engineer (Employee #20)Sept 2022 — May 2023ProcurePro · Brisbane, Australia · 4 highlights

    Contech SaaS streamlining subcontractor procurement across Australia, UK, and UAE

    • Developed Account Profile management page with shareable components — utilising Aurelia TS and PHP framework
    • Scoped out features on the product roadmap using Epics and User Stories
    • Wrote effective unit and integration tests using Jest, Cypress and Playwright
    • Performed QA testing and produced status reports before deploying to Production, with submissions of release notes
  5. Software Engineer (Contract)May 2022 — Aug 2022Algomint · Brisbane, Australia · 3 highlights

    DeFi cross-chain bridge enabling BTC, ETH, and stablecoin interoperability on the Algorand blockchain

    • Launched a V1 cross-chain application on Mainnet, offering easy access to mint/redeem $goUSD with $USDC
    • Deployed crypto exchange dashboard on the Algorand network
    • Designed reusable components bridging functionality with PyTeal smart contracts
  6. Software Engineer InternNov 2021 — Feb 2022Space Platform · Brisbane, Australia · 3 highlights

    Privacy-first PropTech company providing real-time foot traffic analytics for retail, offices, and precincts

    • Developed a responsive demo dashboard with custom reusable React components, utilising Websockets for continuous real-time analytics feeds
    • Configured login functionality and authorization with Socket.IO-client and JWT Authentication
    • Developed reusable Chart.js for multi-level building analytics
  7. Frontend Developer InternJune 2021 — Sept 2021AskDr · Singapore

    Singapore healthtech platform connecting users with doctor-verified health guidance

Projects

  • Burno — 52-card workout app

    Personal Project

    • Built and launched burno.app: shuffle a virtual deck, flip a card, do the reps. A no-equipment, full-body workout, solo or with friends
    • Live with real users, with an in-app feedback form and Ko-fi donations

    Stack: Vite + React, TypeScript, TailwindCSS, GitHub Pages, Google Apps Script

  • AI Financial Analysis Bot — Aemantic

    Personal Project

    • A financial analysis bot generating structured financial insights for US stock tickers, including ROI, aggregates and market fundamentals
    • Architected a multi-agent system using LangChain to perform automated financial deep-dives and sentiment analysis

    Stack: GCP, FastAPI, Vite, LangChain, OpenAI, Yahoo Finance, Supabase

  • GBR Group Co

    Freelance Developer

    • Launched their corporate website gbrgroupco.com, working closely with the Founders

    Stack: Vite + React, Cloudflare, Tanstack Router, TailwindCSS, Bun, Material UI

  • EAIT Industry Mentor

    University of Queensland

    • Mentored two junior engineers over 6 months, providing career guidance and technical training across DevOps practices
    • Conducted mock interviews and resume reviews to prepare mentees for graduate engineering roles
  • Pacemates Run Club

    Founder

    • Built a running community of 50+ members, organising weekly training sessions, interval workouts, and race-day events across Brisbane
  • HotHack Hackathon

    Team Leader

    • Led a team of 4 and built a streamlined data collection dashboard for artist managers
    • Presented our ideation to reality of the dashboard at The Precinct @ Fortitude Valley

Skills

Cloud & Platform
AWS (EKS, ECS, VPC, S3, IAM, R53, ACM, ALB/NLB), Google Cloud (SecOps SIEM)
Orchestration
Kubernetes, Docker, Helm Charts, Karpenter, Gateway API
IaC
Terraform, AWS CloudFormation, Bash/Python Automation
CI/CD
Octopus Deploy, GitHub Actions
Observability
New Relic, Splunk, Prometheus, Grafana
Development
Python, TypeScript, React, Node.js, Go (Golang)
AI
Claude Code, LangChain, Model Context Protocol (MCP)

Certifications

  • AWS Solutions Architect – AssociateMay 2024

Education

University of Queensland

Feb 2019 — July 2022

Bachelor of Computer Science, majored in Machine Learning · Brisbane, Australia

  • Sponsorship Director of UQ Malaysian's Students' Association (UQMSA) — 2021/2022
  • Virtual Singapore Startup AdVenture with UQ Ventures
  • Queensland University Musical Choir (QUMS)

Interests

  • Endurance sports — TCS Sydney Marathon 2023, Bridge to Brisbane 2024, EVA Air Sunshine Coast 2024; training for triathlon
  • Video production — filming (Sony ZV-E10 II) and editing in DaVinci Resolve
  • Financial markets reader — The Edge Malaysia + Singapore
  • Languages: English (Professional), Mandarin (Conversational), Malay (Conversational)