Hello,

I'm Shehara Thrimavithana.

Senior Software Engineer – Backend & DevOps Freelance · Remote

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About

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Senior Software Engineer (Backend & DevOps), freelance with Uvexzon—also 6+ 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. 6+ 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

Resume

More of my credentials.

PROFESSIONAL EXPERIENCE

SENIOR SOFTWARE ENGINEER – BACKEND & DEVOPS

Apr 2026 - Present

Uvexzon · Freelance

Remote

  • Backend engineering, infrastructure, and DevOps delivery for freelance client work.
  • Remote collaboration on scalable services, automation, and reliable deployments.

SOFTWARE ENGINEER

Jul 2025 - Present

Elsy Solutions, USA · Remote

Contract

  • Integrated OpenAI model fine-tuning using custom Laravel middleware.
  • Built scalable Laravel apps with AWS, Docker, and third-party integrations.

SOFTWARE ENGINEER

May 2025 - Jun 2025

Elsy Solutions, USA · Remote

Part-time

  • Initial part-time engagement with Elsy Solutions; continued as a contract Software Engineer from July 2025.

DEVELOPER

Aug 2023 - June 2025

Engaging.io, Australia (Through Sanmark Solutions PVT LTD)

  • Specialized in HubSpot CRM implementation, integration, and large-scale data migration.
  • Designed and developed HubSpot CMS solutions including custom modules, templates, and dynamic content using HubL.
  • Built CRM Cards, CMS API integrations, and custom API connectors for seamless system communication.
  • Implemented advanced automation workflows across sales, marketing, and operations.
  • Integrated HubSpot with third-party middleware and external platforms using APIs and webhooks.
  • Migrated 1M+ records from Shopify to HubSpot with 100% accuracy.
  • Developed scalable backend systems using Laravel, Livewire, Alpine.js, Docker, and MySQL.
  • Collaborated with clients on requirement analysis, solution design, and end-to-end delivery.

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, especially HubSpot.
  • HubSpot: Trained teams and improved adoption and performance.

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.

PROJECTS

Senior Software Engineer – Backend & DevOps

Apr 2026 - 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)

Jul 2025 - Present

Client Laravel platforms (Elsy Solutions)

  • Engagement: Part-time May–Jun 2025; contract Software Engineer from Jul 2025 · Remote, USA.
  • Focus: OpenAI integrations, scalable Laravel services, AWS, Docker, and third-party APIs.
  • Technologies: Laravel, OpenAI, AWS, 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.

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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