Ashen Gunaratne

Secure Agility

Sydney, Australia

Lead DevOps Engineer

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Lead cross-SaaS integration architect; Design, author, and oversea custom integrations and workflows interconnecting multiple SaaS services.

Alembic Autotask Azure DevOps Services Azure Ekahuau Float GitHub ITGlue LogicMonitor PowerBI Python Terraform

Singlife

Singapore, Singapore

Technical Lead

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Mobile backend tech lead; Design, author, and review RESTful API specifications and moderate related infrastructure cohering to compliance and security statues.

Anti-Corruption Layer AWS AWS CDK Jest Node.js Quantum Databases RESTful APIs Slack Bots TeamCity TypeScript

Railsbank

London, United Kingdom

Associate Technical Lead

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BaaS integrations tech lead; Plan, design, and oversea regulated provider infrastructure integrations conforming to compliance and security statutes.

AWS CucumberJS Elastic Stack (ELK) GitLab CI/CD GraphQL Jest Kubernetes mTLS Node.js OpenPGP RESTful APIs Slack Bots Terraform TypeScript

Railsbank

London, United Kingdom

Engineer

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BaaS integrations engineer; Design, author, and review regulated provider infrastructure integrations conforming to compliance and security statutes.

AWS CucumberJS Elastic Stack (ELK) GitLab CI/CD GraphQL Jest Kubernetes mTLS Node.js OpenPGP RESTful APIs Slack Bots Terraform TypeScript

Al Iman Schools

Colombo, Sri Lanka

Educator

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Educator for computer science; Responsible for designing, implementing, and delivering custom tailored curriculums for key stages three, four, and five with emphasis on art of programming and integrating computer science in the domain of other subjects.

AsciiDoc CSS HTML JavaScript Python PyUnit

British College of Applied Studies

Colombo, Sri Lanka

Lecturer

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Instructor for Pearson BTEC HND in Computing; Responsible for level 5 specialist units: Computer Systems Architecture, Data Structures and Algorithms, Discrete Mathematics, Network Management, and Network Security.

C Firewalls IDS/IPS Systems JavaScript Python

Exetel PTY Limited

Sydney, Australia

Network Engineer

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Govern, implement, and troubleshoot real-time traffic steering policies to ensure critical application delivery, value-added services, and user quality of experience driving profitability of key deliverables in the digital data & device space in terms of revenue, users, traffic across 30 Gb/s data link.

Firewalls IPv4 RADIUS Servers SNMP TCP/UPD VoIP

IKON Systems (Private) Limited

Colombo, Sri Lanka

Chief Information Officer

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Direct and manage computing and information technology strategic plans, policies, programs, schedules, and responsible for advertising network’s scalability, security, and capacity-planning.

AWS Systemd HAProxy

Harvard College

Massachusetts, United States

Bachelor of Liberal Arts (A.L.B.)

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Computer Science; GPA 3.9 (as of May 2018)
Related studies in linear algebra, statistics and probability, and finance.

Stanford University

California, United States

MOOC

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Studies in enterprise-level web application deployment with focus on security, reliability, scalability, and cross-browser support.

Harvard University

Massachusetts, United States

MOOC

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Studies in computer science for real-world domains of biology, cryptography, finance, forensics, and gaming.

Université Catholique de Louvain

Charleroi, Belgium

MOOC

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Studies in major programming concepts, techniques, and paradigms in a unified framework.

The University of British Columbia

Vancouver, Canada

MOOC

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Studies in computation as a tool for systematic problem solving in non-computer-science disciplines.

Lakeland Inter-American School

Colombo, Sri Lanka

Pearson Edexcel AS Level

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Lakeland Inter-American School

Colombo, Sri Lanka

Pearson Edexcel Ordinary Level

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Singlife's BaaS provider reverse-engeering

• Associate technical lead for Railsbank replacement with in-house BaaS service
• Coarchitectured in-house replacement service to extactly replicate Railsbank functionalities
• Designed and authored the state machines for transaction execution - interledger, manual credit, and manual debit transactions
• Designed and authored DBS outbound and inbound integration connectors to facilitate Fast and PayNow payments and ICN notifications

Habitto Money GraphQL and REST backend

• Lead consultant for setting up initial backend monorepo and related pipelines
• Setup initial Nx monorepo, BitBucket OpenID runner authentication, and inital Terraform setup
• Later, consultant and lead developer for authoring fully automated self provisioning review environments using BitBucket CI/CD with multiple deployables
• Lead developer for authoring a seamless custom in-house replacement solution for Fivetran

Dealt Australia

• Lead architect for migrating existing customer-hosted Hyperledger Fabric to ImmuDB
• Automated all application deployments and configuration management using AWS CodeDeploy and BitBucket CI/CD
• Migrated all existing infrastructure to use IaC for management and provisioning and added enforcement checks to prevent manual infastructure manipulations
• Revamped virtual cloud networking to incorporate public, private, and NAT subnets and redesigned the microservice entrypoints and inter-service communication
• Standardized logging, monitoring, and alerting

CaterCare Australia

• Lead consultant and developer for standardizing GitHub developer workflows
• Wrote a custom extensible GitHub Action to facilitate auto-labelling and auto-approving for a specific set of pull-requests obeying a predefined ruleset that require no reviews
• Set up branch/tag protection rules, code owners, secret scanning, and repo properties to standardize merging and pull-request approvals

HackerRank

Gold Honours - Problem Solving

Gold honours, five-star proficiency rating, in the domains of algorithms and data structures.

HackerRank

Gold Honours - Python

Gold honours, five-star proficiency rating, in the domain of Python subsuming all language-supported paradigms.

HackerRank

Gold Honours - SQL

Gold honours, five-star proficiency rating, in the domains of SQL subsuming all language-supported paradigms.

HashiCorp

IaC Automation

HackerRank

Python

freeCodeCamp

Curriculum Contributor

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Authore guides and specimen solutions for freeCodeCamp certification program challenges on algorithm design.

edX

Content Support Associate

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Validate and alter qualitative attributes of uploaded course materials to meet edX guidelines.

United Nations

Volunteer Task Force

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