Kailayapathy Suthagar

Software Engineer | OpenSource Enthusiast

A passionate and dedicated individual having 6+ years of development experience and 3+ years of industrial experience with excellent software development, problem solving, and analytical thinking skills and talents who believes in pursuing goals with hard work, commitment, and persistence.

Sri Lanka

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Expertise

Software Development

  • Object oriented Software development.
  • Data Structures and Algorithms.
  • Software architectural designs.
  • Test driven development and testable implementations.
  • Multi-threaded concurrent programming.
  • Micro-service development and managements
  • Distributed computing and management of large scale systems

Cloud(AWS)

  • Experience with AWS CLI, EC2, S3, RDS, SNS, SQS, SES, CFTs, CloudFront, Cloud Watch, VPC, Lambada, ECS, ECR.
  • Data Management with S3, and RDS(MySQL, PostgreSQL, Aurora).
  • AWS Security pipelines and deployment configurations.
  • AWS Java and JavaScript SDK.

Natural Language Processing

  • Data Processsing and Word Embedding.
  • Information retrieval and web Crawling.

CI/CD Management

  • Jenkins based Automatons.
  • Github Actions.

Technical Skills

  • Programming : Java, Python, JavaScript, C#, C, C++, PHP, Android, Swift, HTML, CSS
  • SwiftFrameworks : Spring, NodeJS, React, Redux, Hibernate, AngularJS, SCSS
  • Databases : MySQL, MongoDB,PostgreSQL, Redis, AWS RDS, MS SQL Server
  • Cloud : AWS(most services), Google Cloud(Computing), MS Azure(AD)
  • Dev Stack : AWS, GCloud, Docker, Jenkins, Git, REST web services, GraphQL, MVC and MVVM patterns, OAuth 2.0and SAML standards, TDD, Unit and integration testing, OS(Linux, Mac)

Education

Jan 2014 - Dec 2018

B.Sc. Eng (Hons) in Computer Science and Engineering


Faculty of Engineering, University of Moratuwa

  • Completed with Second upper class (Honours).
  • Coordinator-Tamil Literary Association, Secretary-A/L Pilot Examinations, and IEEE Student Member.
  • Advanced Modules - Concurrent Programming, Distributed Systems, Data Mining and Information retrieval, and Machine Learning.

2005 - 2013

High-school courses and Advanced Level courses


Jaffna Hindu College, Sri Lanka

  • G.C.E A/L Examination 2013 – Achieved 3A's in Physical Science stream (Island Rank: 84)
  • General Information Technology (GIT) 2012 - Achieved A
  • G.C.E O/L Examination 2010 – Achieved 9A's

Work Experience

Jan 2019 - Present

Senior Software Engineer / Software Engineer,


Sysco LABS (Pvt) Ltd, Sri Lanka.

  • Integrating product ratings and reviews to the Sysco Shop platform. Involved into the architectural designs, integration optimisations, data modelling and sharding. Having experience in developing 350 QPS back-end components with caching, message queues, and concurrent controls.
  • Designed an algorithm to indicate the best-seller products among 3.6 million products in the platform which increased the likelihood of the product’s interest to be purchased by a customer.
  • Enhanced Shop ordering platform performance by refactoring core layers, adding database & query optimizations and implementing caching mechanism.
  • Improved health endpoints with dependent services and enabled email & slack notifications which reduced the human intervention for backtracking failures.
  • Automated Sysco delivery android platform release by introducing a new CI/CD pipeline up to the staging environment deployment.
  • Implemented the OAuth2.0 based login mechanism using Microsoft Active Directory which helped the organization to move out of multiple IAMs to a single IAM platform.
  • Worked on Sysco Shop Back-end Services(Spring), BFFs(Node JS) and Sysco Delivery native iOS App development.

Nov 2018 - Present

ORG LEAD - Open source programs

, OpenMRS - Remote

  • Administrated open source programs and engaged with global open source programs & meetups on behalf of the community
  • Google Summer of Code Administrator - Developer program for university students. Managing 12+ students and 20+ mentors annually during the summer period. Administrated GSoC 2019 and currently managing GSoC 2020 program.
  • Google Code-in Administrator - Open source coding program for high school students. Managing 100+ students and 25+ mentors annually. Administrated and mentored GCI-2018 and GCI-2019 programs.
  • Mentor - Google Summer of Code 2020, 2019, Google Code-in 2017 & 2018 & 2019..
  • Project Lead for Location-based access control(LBAC) and Sys-Admin modules. Leading on project discussions, and road-maps.
  • Contributing to OpenMRS Core, Web services, User management widgets and Admin development.

May - Aug, 2017 & 2018

Developer - Google Summer of Code

, OpenMRS - Remote

  • Google Summer of Code Developer, 2018 - Initiated and contributed for Location Based Access Control which highly secured meta-data among largest distributions of OpenMRS
  • Google Summer of Code Developer, 2017 - Developed an Open Web App(OWA) to administrate global OpenMRS Reference Application.

Jan 2018 - Dec 2018

FY Research Student(Word Embedding)

, NLP Center - University of Moratuwa

  • Addressed sense capturing issue in word embedding by introducing a novel iterative embedding - clustering approach to learn multiple senses of a word(NLP - Final year project)
  • Built a large corpus with 1M tokens ( 300K unique tokens) for Tamil using Web Crawling and Information retrieval techniques

Jun 2017 - Dec 2017

Intern - Software Engineering

, WSO2 Inc, Sri Lanka

  • Designed live log viewer for WSO2 API Cloud which fetches and analyzes log streams from Amazon Cloud watch logs in real-time,and significantly reduced the developer support for log tracking on behalf of the customers.
  • Automated WSO2 Cloud support strategy by creating JIRA tickets for requests, email notifications and customer acknowledgements which were handled manually by the engineers.
  • Implemented On-Page FAQ portal which searches for queries and provides useful resource.
  • Added Interactive tutorial for WSO2 Cloud-API Store by extending EnjoyHint JS Library.

Jan 2015 - Jun 2017

FOUNDER & DEVELOPER

, Inncaps, Startup based on freelancing projects

  • Developed Mora E-Tamils exam management system, which used to store the exam records of 5K students, releasing exam results and automated Z-Score based ranking which were reduced a huge amount of human effort compare to previous years (used from 2016 - 2018).
  • Developed mobile responsive web application for a phone store with a simple content management system, page views and compare phone’s features. (Freelancing project 2016).
  • Deployed and managed OpenMRS Reference application with custom modules for an implementer based on Africa.
  • Involved into the MVP design for a telemedicine mobile application backed by OpenMRS as a back end server.

Aug 2013 - Sep - 2014

Software DEVELOPER

, Penizula IT Solutions (Pvt) Ltd, Jaffna, Sri Lanka

  • Engaged with point of sales system development for touch screen systems interconnected with network printers, and product scanners.
  • Developed a web app for accounting mentors who can manage and share their posts and resources among others.

Other Projects

Aug, 2019 - Present

Individual Contributor

  • Feedback Hub: Customer feedback platform through mobiles which reduces the gab between suppliers and consumers in-terms of service quality,ratings, and customer feed backs.
  • Avail: Messaging platform between schools(kids & medium level schools) and the parents through a mobile application with push notifications feature which reduces the wastage of legacy paper based communications.

Contact Me

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