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I'm Shehara Thrimavithana.

Senior Software Engineer – Backend & DevOps Freelance · Remote

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Senior Software Engineer (Backend & DevOps), freelance with Uvexzon—also 7+ years across HubSpot CRM, CMS, Laravel, DevOps, and integrations, building scalable systems, migrations, and automation.

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Currently Senior Software Engineer – Backend & DevOps (freelance) with Uvexzon, remote. 7+ years specializing in HubSpot CRM implementations, CMS development, and Laravel-based solutions. Strong in DevOps, Linux, API integrations, automation, and cloud deployments—with a proven track record in data migration, custom HubSpot development, and third-party integrations.

Other Skills

Soft Skills

Tools

Technical Skills

Programming Languages

Back-end Web Development

Front-end Web Development

Database

DevOps

Languages

  • English - Intermediate
  • German - Beginner
  • Sinhala - Fluent

Other Skills

Soft Skills

Tools

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Resume

More of my credentials.

PROFESSIONAL EXPERIENCE

SENIOR SOFTWARE ENGINEER – BACKEND & DEVOPS

Apr 2025 - Present

Uvexzon · Freelance

Remote

  • Worked extensively in Linux-based environments, handling deployments, debugging, and performance optimization.
  • Designed and maintained API-driven communication systems, similar to distributed network-based architectures.
  • Implemented real-time communication systems (WebSocket) for live data exchange.

SOFTWARE ENGINEER

May 2025 - Present

Elsy Solutions, USA · Remote

Contract

  • Integrated OpenAI model fine-tuning using custom Laravel middleware.
  • Built scalable Laravel apps with AWS, Node.js, React.js, Docker, third-party integrations, and a mobile app.

FREELANCE WORDPRESS / WOOCOMMERCE DEVELOPER

Aug 2026

The Herd · Freelance

Independent

  • Built a custom WordPress + WooCommerce store (classic PHP theme the-herd) from Figma: storefront chrome, Home, Shop, Product, Cart, Checkout, Account, About, How To, Contact, FAQ.
  • Wrote plugin the-herd-core (testimonials CPT, product nutrition / cooking-guide / script fields).
  • Dockerized local stack (WordPress PHP 8.3, MySQL 8, WP-CLI, Mailhog) with Make-based setup/seed; Customizer for header/footer and Home content.

DEVELOPER

Aug 2023 - June 2025

Engaging.io, Australia (Through Sanmark Solutions PVT LTD)
  • Proficient in Laravel development with Livewire, Alpine.js, Node.js, Docker, and MySQL.
  • Experienced in migrating data across platforms like AWS and Shopify.
  • Expert in HubSpot CRM card implementations, CMS API, and integrating third-party APIs.

SOFTWARE ENGINEER

Apr 2025 - June 2025

Sanmark Solutions (PVT) LTD
  • Client & Project Management: Led communications, requirement analysis, project planning, and solution implementation. Provided time and effort estimations, and managed the full project lifecycle along with engineering duties.

ASSOCIATE SOFTWARE ENGINEER

Apr 2023 - Mar 2025

Sanmark Solutions (PVT) LTD
  • Technical Development & Collaboration: Enhanced web development skills through collaborative projects and handled debugging tasks.

TRAINEE SOFTWARE ENGINEER

Sep 2022 - Mar 2023

Sanmark Solutions (PVT) LTD
  • Version Control Proficiency: Mastered Git for enhanced collaboration and efficient source management.
  • Containerization Skills: Gained Docker expertise to ensure consistent environments across all stages of development.
  • Project Engagement: Actively developed software across multiple projects, enhancing lifecycle management and technical skills.
  • Agile Management: Applied Jira in managing agile projects, optimizing task tracking and sprint planning.

TECHNICAL SUPPORT ENGINEER

Sep 2022 - Aug 2023

Sanmark Solutions (PVT) LTD

Part-Time

  • Provided technical support for Linux-based systems, web applications, and hosting environments, including diagnosing and resolving issues related to DNS, HTTP, networking, and server configurations, while monitoring logs and performing debugging, performance analysis, and system troubleshooting.
  • Worked with low-level system components and C-based logic for performance-critical features, and developed/tested components aligned with firmware and system-level operations.
  • Collaborated with development teams to resolve production issues, supported deployment workflows (Docker), managed deployments across RHEL and Debian systems (.deb / RPM), and applied Python/Bash scripting for automation and system operations.

PROJECTS

Senior Software Engineer – Backend & DevOps

Apr 2025 - Present

Uvexzon · Freelance · Remote
  • Focus: Backend systems, DevOps, and reliable delivery for client engagements.
  • Technologies: Laravel, Linux, Docker, CI/CD, cloud-oriented deployments

Software Engineer (Contract)

May 2025 - Present

Client Laravel platforms (Elsy Solutions)
  • Engagement: Contract Software Engineer from May 2025 · Remote, USA.
  • Focus: OpenAI integrations, scalable Laravel services, AWS, Node.js, React.js, Docker, third-party APIs, and mobile app.
  • Technologies: Laravel, OpenAI, AWS, Node.js, React.js, Docker, MySQL, Git

Full Stack Developer

Aug 2026

The Herd — WordPress + WooCommerce store

  • Focus: Custom theme, WooCommerce templates, Customizer, custom plugin.
  • Technologies: WordPress, WooCommerce, PHP, Docker, MySQL, Git

PM | DevOps

Mar 2023 - June 2025

Books and Stationery E-commerce Website
  • Technologies: Laravel, OpenAI, Vector DB, Ajax, Node.js, Vue.js, VPS, Docker, Git, CICD, Deployments
  • Payment Gateways: Webex Pay, KOKO, Mint Pay

Back-End Developer

Oct 2023 - June 2025

Implemented data migration and webhook syncing

  • Role: Back-End Developer
  • Technologies: HubSpot CRM, integration, data migration, webhooks, Laravel, cPanel

Developer

Oct 2023 - June 2025

Veterinary medication application in HubSpot

  • Technologies: HubSpot workflows, Laravel, CRM integration, data migration, webhooks, CMS, pipelines

Developer

Oct 2023 - June 2025

Australian medicinal cannabis selling platform in HubSpot

  • Technologies: HubSpot workflows, HubSpot serverless, private & public apps, mail automation

Back-End Developer

Oct 2023 - June 2025

Real estate project (HubSpot)

  • Technologies: HubSpot CRM cards, workflows, object & property mapping

Web Designer, Front-End Developer

Aug 2023 - Oct 2023

HubSpot Landing Page & Email Templates

  • Technologies: HubSpot CMS, HubL, CSS, JavaScript, Ajax, jQuery

Full Stack Developer

Sep 2022 - Jan 2023

Health Information Website

  • Technologies: Laravel, Livewire, Jetstream, Node.js, MySQL, Ajax, Vue.js, Tailwind, Docker, Git, CI/CD, VPS

Full Stack Developer

Jan 2023 - Apr 2023

Baby Vaccination Management System for MOH

  • Technologies: Laravel, Livewire, Jetstream, JSON, MySQL, Ajax, Vue.js, Tailwind, Docker, Git, Cpanel.

Owner

Jan 2024

Betting App MVP

  • Technologies: Laravel, Webhook, Websocket, Pusher, MySQL, Tailwind, Docker, Git, CI/CD, VPS.

Source Code Owner

Feb 2024

Clothing Web App

  • Technologies: Laravel, Ajax, Vue.js, VPS, Docker, Git, CICD, Deployments, Payment Gateways.

Source Code Owner

Jan 2023

Web App for Electricity Board (MVP)

  • Technologies: Laravel, Livewire, VPS, Docker, Git, CICD, MySQL, Deployments.

Source Code Owner

Mar 2023

Online Tender Web App (Tender Hub)

  • Technologies: Laravel, Livewire, Docker, Git, MySQL.

Owner

Mar 2023

Wedding Guru (Ongoing Project - HOLD)

  • Technologies: Laravel, Livewire, Docker, Git, MySQL, VPS, CICD, Deployments.

Owner

Dec 2021

Inventory Management System for Survey Department

  • Technologies: Laravel, Livewire, Docker, Git, MySQL.

Owner

Sep 2022

Web App for Medical Center (MVP)

  • Technologies: Laravel, Livewire, Docker, Git, MySQL.

Owner

Jun 2022

Runner Record (MVP)

  • Technologies: Laravel, Livewire, Docker, Git, MySQL.

Owner

Nov 2023

Reusable Livewire Search Box Component

  • Technologies: Laravel, Livewire, Git.

AWARDS & CERTIFICATIONS

Award of Appreciation, Institute of Surveying and Mapping, Diyatalawa.
Developed a comprehensive website offering a range of functions to facilitate academic and administrative activities. Key features include program organization, announcement board, detailed course listings, meeting scheduler, result publication, and an image gallery management system.

Hubspot Certificate

Linux & DevOps training

Linux Admins and DevOps Training Certification (offered by WSO2 Sri Lanka).

EDUCATION

ISM Diyatalawa

Sep 2019 - Sep 2021

Higher National Diploma in Survey Science (Special Litho)
  • Although my HND was not directly related to the IT field, it included Computer Science courses I and II. For my final project, I developed and launched the web app for the Institute of Surveying and Mapping (ISM), which is still actively used today. I achieved full marks for this project. You can view the web app at ism.ac.lk.
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Connect me at
 /thrima
Email Me At
 thrima.work@gmail.com
Call Me At
 +94 76 719 9756