Devops leader with more than 20 years of experience, culminating in delivering performant Web applications on the Cloud. Keen on the managed compute trend, aka “Serverless”, to drive operational efficiency, simplicity and software value delivery.

Infrastructure Lead at Thoughtworks

December 2020 - Present | UK

Led and mentored high performing teams
Accelerated delivery implementing DevOps processes
Reduced operational overhead with managed services

Tech Stack: AWS, Go, Javascript, Serverless, Terraform, Gitlab

AWS Cloud practice lead, ‘Teamwork/Corexpert’ consultancy

February 2020 - November 2020 | Singapore

Operational resilience - designing and implementing Cloud based backup and disaster recovery for clients
Cost optimisation on cloud bills from GCP/AWS to save clients money
Pre-sales on large complex cloud migrations for Digital transformation

Tech Stack: AWS, GCP, Cloud, Backup, DRP

Senior Engineer in Digital Science Platform in ‘Gojek’

October 2009 – January 2020 | Singapore

Developed a process to label new instances to produce costing reports via parameterised Jupyter Notebooks
Instrumented, exported and produced dashboards/alerts in the Jsonnet data templating language for Grafana with Prometheus and Go language

Tech Stack: Machine Learning (AI), Prometheus, Grafana, Go

Devops lead at Property Management startup ‘Unee-T’

March 2018 - October 2019 | Singapore

Built a Continuous Integration (CI/CD) pipeline to deploy Docker containers with Travis CI on AWS ECS via Github
Built serverless microservices with Golang, documented in Postman to smooth over integration points between frontend and backend

Tech Stack: AWS, Go, Docker

Senior devops at Video streaming company ‘Spuul’

June 2016 - March 2018 | Singapore

Administrated a complex multi-region fault tolerant and scalable service on AWS infrastructure
Created internal tools leveraging AWS SDK Golang V2 to roll out of ~150 channels on AWS Elemental media{live,package}
Wrote the {static site, playlist} generator in Golang to deliver video over the AWS CDN faster and with more rendition features
Wrote Vue.JS / AWS JS SDK serverless app to ingest video with metadata

Tech Stack: ffmpeg, AWS, Go, HTML, Javascript (JS)

Managing Director of ‘Webconverger’, the Browser Linux distribution

February 2012 - March 2016 | London/Singapore

Designed, developed and maintains the leading open source Web kiosk & signage distribution based on our own innovative gitfs technology
Implemented subscription and one off billing with Stripe and a powerful configuration / device management service for Webconverger deployments
Consistently patch the system for upto 5000 machines without down time

Tech Stack: Linux, shell, git

Compliance Process Manager at Telecoms Joint venture ‘WAC’

July 2010 - February 2012 | London

Editor of compliance tests for product delivery from Widget Runtime (WRT) vendors to Joint Venture members
Lead development on security tools: widget signing and validation tools
Designed test result reporting system for members and vendors to track their compliance progress
Presented and represented the company at the Mobile World Congress stand
integration points between frontend and backend

Tech Stack: Web browsers, mobile

Senior developer at Japanese mobile company ‘Aplix’

August 2007 - July 2010 | Guildford, Surrey

Developing and testing the WebVM browser plugin for exposing device APIs securely on mobile devices
Active in OMTP BONDI, W3C DAP and W3C widgets working groups
QA for the SDK, an Eclipse based IDE for BONDI widgets and an emulator runtime
System administrator for our source control, Bug Tracking System (BTS) and services

Tech Stack: Javascript, PHP, Make, C, Shell, Standards processes

Skills

Certifications: AWS Certified Professional
Programming Languages: Go, Shell, Javascript
Distributed Computing: Web (REST), Event driven design
Data stores: S3, DynamoDB, SQL
Tools: vim, git, Make
Servers: Debian/Ubuntu/AWS or any Unix/Linux system
Domains: Entertainment, Self service, Real Estate, Telecommunications, Finance
Methodologies: Agile / continuous integration

Education

Graduated from the University of Helsinki Computer Science Masters program at the Faculty of Science in 2005 with minors in Management, Mathematics, Statistics, German and the Finnish language