Sharmilan Ampikaipakan

Openprovider is an ICANN-accredited domain registrar and tech company offering automated platforms and APIs for managing domain names, SSL certificates, Plesk licenses, spam filters, and more.

• Created EasyDMARC's service from ground up, incorporating Hexagonal architecture, Solid principles, and OOP. Additionally, crafted deployment and testing codes.
• Manage overall service and production maintenance; actively collaborate with company and service providers for EasyDMARC
• Developed MailCow and additional features, contributing to system architecture modifications.
• Involves team scrum sprint planning, follows Agile methodology, and oversees overall backend system.
• Technologies: PHP, symfony, microservices, envoy, nginx, docker, gRPC, GoLang, PostgreSQL, elastic search, kubernaties, helm-charts and GCP

• Engaged in code reviews, provided guidance, mentored fellow engineers, and managed team responsibilities.
• Developed mobile applications using React Native, developed front-end applications with React, and served as consultant for other applications.
• Technologies: React-native, react, redux thunk, crashlytics, and flex

Confidential big data system

• Developed high-performance system for big data analysis, search functionalities, and data warehouse maintenance, handling billions of records and rapidly growing data.
• Managed AWS services for real-time monitoring, updated resource allocations, took full responsibility for resolving production bugs, and prepared client documentation, including deployments.
• Consulted with architect and senior lead engineer on system improvements, engaged in pair-programming with UK-based engineers and architects.
• Conducted production load testing with JMeter and BlazeMeter, implemented AWS service cost-cutting measures, and documented suggestions.
• Technologies: NodeJS, symfony, Laravel, python, prometheus, kibana, elastic search, Redshift, RDS, Redis, S3, SQS, SNS cloud watch and etc

Talend

• Centralized system connecting job seekers and providers.
• Collaborated on requirement analysis and system design with lead engineer.
• Presented and showcased work to stakeholders and managers.
• Technologies: Laravel, React, React-Query, hooks, Ant design EC2, RDS and etc

Mentoring App

• Mentoring-focused mobile app and admin and content settings web app.
• Led team, evaluated, mentored members and updated stakeholders and managers.
• Front-end development, guided API and mobile devs and also UIs.
• Prepared documentation, made modifications with project managers.
• Technologies: React, Redux, thunk, Typescript, Webpack, Ant design, React-native

BlueSky coaching card - Mobile

• Coaching mobile app with Text, Image, Audio, Video cards, and offline support.
• Led team, took overall product responsibility, handled sprint planning.
• Estimated upcoming features with managers.
• Wrote, debugged, fixed, documented, and maintained codes, releasing in app stores.
• Technologies: React-native, SQLite, Redux, thunk, Typescript, Flex, deep linking, crashlytics, and Jest

Enterprise Integration Services

• Standalone system integrating third-party systems into Salpo CRM (invoices, inventory, calendars, mailing).
• Led service and team with Agile, Scrum, and Kanban.
• Designed and developed Company Checker, Microsoft Calendar, Google Calendar, RingCentral, etc.
• Conducted code reviews, monitored production and performance, identified production pitfalls and handled stage and production deployments.
• Technologies: Node JS, ES6, RESTFul API, express, OAuth, PUG, mocha, chai, Mongo, Redis, Celery, Guzzle, loggly, Jenkins, Bull and PM2

Salpo CRM/Growth-hub (SaaS)]

• Salpo CRM personalizes interactions, building 360-degree view for each individual with customized data structure.
• Analyzed requirements, implemented features as epics and stories in collaboration with Tech leads and project managers.
• Coded, updated, maintained program codes, debugged, diagnosed, fixed errors, and performed testing and coverage.
• Custom Salpo CRM version for specific company with added features, developed by dedicated team.
• Technologies: Angular JS, Symfony, Coffee Script, Doctrine, MySQL. Elastic Search, Mongo, Redis, behat, protractor, jasmine, Celery, AWS, loggly, Jenkins, Gulp, npm, Jasmine, GIT, CSS, less, and material UI

EzBiz – ezbiz.io (SaaS)

• Suite of SME business solutions with custom modules: Purchasing, Sales, Inventory, Jobs, Reporting, Expenses, CRM, and POS.
• Analyzed requirements and developed various features, covering both frontend and backend.
• Monitored performance, managed databases for query analysis, and improved search filtering performance through system analysis
• Enhanced system performance, reducing landing page speed through JavaScript minification.
• Automated email alerts for expired user licenses.
• Involved with EzBiz - Portal, admin control panel application
• Technologies: Angular JS, Zend Framework 2, MySQL, JQuery, and gulp