Devops leader in Singapore
British Nationality. Permanent resident in Singapore.
Skills
- Designing elastic and cost effective AWS cloud hosted services
- Linux based packaging / deployment / distribution
- Managed compute: Serverless / FaaS / AWS SAM Lambda / Cloud {run,functions}
- Kubernetes / Docker / Amazon ECS
- Software testing and benchmarking
- Security design and implementation
- Continuous Integration / Continuous Deployment
- Full stack application development: HTML / CSS / Javascript / VueJS
- Systems language: Golang / Shell / PHP / Python / C with Make
Education
Graduated from a Computer Science Masters program at the Faculty of Science
with minors in Management, Mathematics, Statistics, German and the Finnish
language.
AWS Certified Solutions Architect - Professional and
awarded AWS Community Hero for maintaining Singapore AWS User Group. View verified AWS
Certifications
Work history
ThoughtWorks Singapore, Premium global software services company
Infrastructure Lead from December 2020
AWS Cloud practice lead from February to December 2020
- Operational resilience - designing and implementing Cloud based backup for clients
- Cost optimisation on Cloud bills
- Pre-sales on large complex cloud migrations
Go-Jek, Digital Science Platform
Senior Engineer on GCP costing and adopting Prometheus monitoring from October 2019 to January 2020
- 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
Unee-T, property management meets issue tracker
Devops lead from from March 2018 to October 2019
- Built CI to deploy Docker containers with Travis CI on AWS ECS via Github
- Built several serverless microservices on Golang, documented in Postman to smooth over integration points between frontend and backend
Spuul, video streaming for the Indian diaspora
Senior Devops from June 2016 from March 2018
- Administrate a complex multi-region fault tolerant and scalable service on AWS infrastructure
- Created internal tools leveraging AWS SDK Golang V2 to facilitate roll out of ~150 channels on AWS Elemental media{live,package}
- Wrote the {static site, playlist} generator in Golang
- Wrote Vue.JS / AWS JS SDK serverless app to assist with video ingestion
Webconverger, the leading Linux based Browser-only distribution
Founder, project leader and Managing Director from February 2007 to present
- Designed, developed and maintains the leading opensource 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 about 5000 machines
WAC UK, Westbourne Grove, London
Secondment from Vodafone: Compliance Process Manager from December 2010 to February 2012
- Editor of WAC 2.0 compliance tests for product delivery from Widget Runtime (WRT) vendors to WAC 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
Vodafone, Marble Arch, London
Support and compliance engineer from July 2010 to December 2010
- Co-ordinating compliance tests between Widget Runtime (WRT) vendors
- Technical contact person for developers, JIL/WAC members and widget runtime vendors
- Implementing processes to better handle support for customer queries
Aplix Corporation (Japanese Mobile software), Guildford UK
Senior Developer from August 2007 to July 2010 improving the mobile Web runtime
- 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 various services
Naraworks, which was acquired by Access Japan (Mobile/embedded software industry), South Korea
Senior Developer from March 2006 to August 2006
- Designed and implemented an unique Korean linux distribution based on Ubuntu/Debian
- Advised on the Access Linux Platform (ALP)
- Compiled report on image decoders and Netfront's optimised JPEG decoder
- Quality Assurance for Netfront document viewer (Naraviewer)
Contract: Soltec Software (Airline software industry), Melbourne, Australia
Environment/Deployment/Release manager from May 2005 to January 2006
- Managed the successful deployment of the company's key product SABS
- Setup and maintained a mission critical RedHat/JBoss/Java/J2EE/Servlet/Oracle 10g environment
- Migrated Web applications to use CSS and to be browser independent and conducted SEO
- Developed PHP/Python Web applications for generating reports from Oracle Databases
- Implemented QA practises and introduced bug tracking software
- Performed security testing and implemented security resolutions
- Wrote and maintained build scripts in Ant and shell
Researcher role from December 2003 to August 2004
- Member of the Research on Distributed and Networked Systems and Applications group
- Gained in depth knowledge of Mobile Web user agents and markup
languages (See Masters Thesis)
- Webmaster of group
Assistant researcher role from November 2002 to December 2003
-
Member of Helsinki University's Initiative for the
Evaluation of XML retrieval research group
INEX
-
Implemented an XML search engine in Python and C
-
Performed data mining on very large data sets
Summer placement: Telering Finland (part of the Sonera/Telia Group), Helsinki, Finland
Architect/Design role from January to June 2002
-
Produced design documents with IBM engineering
procedures(WPD)
-
Deployed RosettaNET standards(XML)
-
Developed on and administered the IBM Websphere(WAS)
platform
-
Implemented forecasting and inventory visibility
tool prototype with Java servlets and SVG
Summer placement: Siemens Finland, Helsinki, Finland
Unix administrator, troubleshooter roles from June to September 2001
-
Siemens (SINIX/UNIX) system support for
Radiolinja
-
Customer (telecommunications) service on site
-
Bash/Perl scripting to monitor UNIX systems
-
Performed updates (kernel building, patching) on critical systems
- Administered several UNIX test machines (SINIX and Sun OS)
-
Maintained Informix DBMS
CH Solutions, Cornwall, UK
Technical lead from February to October 1998 and numerous short contracts
- Designed and built server systems from hardware components
- Software deployment and configuration
- Quality Assurance
- Technical support
- Hardware Purchasing
Voluntary work, hobbies and related activities