Hi, I'm Sadisha 👋
Full Stack Engineer (3+ Yrs) | Next.js & NestJS Expert | CI/CD Automation | AI/CRM Integration
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About

Full Stack Software Engineer specializing in AI Agent Development and Cloud Automation. Expertise in architecting high-performance systems with React, Next.js, and NestJS, and driving efficiency by implementing CI/CD pipelines across AWS and Azure environments. Recognized for building and improving AI-driven CRM features that directly reduce operational costs. Currently pursuing a Master's degree in Computer Science at Staffordshire University, UK.

Work Experience

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Upview Tech

June 2025 - Present
Software Engineer (Full Stack & AI Agent Development)
Pioneered the development and integration of AI-driven CRM features (call transcription, smart routing, automated responses), reducing manual customer support response time by 35%. Engineered high-performance NestJS/Express backend services for core CRM modules, improving real-time data synchronization and lead processing speed by 40%. Led the frontend overhaul of CRM dashboards using React.js/Next.js, increasing daily active user adoption of the new AI-powered tools by 20%.
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Beta Launch

January 2025 - June 2025
Software Engineer (Full Stack | AI Agent Development | Prompt Engineering)
Architected and delivered key full-stack features (React.js/Next.js/NestJS) across multiple client applications, increasing platform functionality and user engagement metrics by over 15%. Executed and fully automated CI/CD pipelines (GitHub Actions, Jenkins) across AWS/Azure, reducing end-to-end deployment time by 80% (from 2 hours to 20 minutes). Optimized AWS infrastructure using auto-scaling/load balancing, maintaining 99.99% uptime during peak traffic exceeding 10,000 concurrent users. Drove the integration of critical third-party services including Zendesk APIs. Mentored 2 junior engineers, reducing critical production bugs by 45%.
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Beta Launch

April 2024 - January 2025
Associate Software Engineer
Contributed significantly to the core development of the Takso (takso-outcomes.com) SaaS platform, managing the product backlog and prioritizing features that drove 3 major product releases. Accelerated onboarding by conducting technical training for 2–5 junior engineers on core technologies (React/Node.js), enabling faster team integration.
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Beta Launch

June 2023 - April 2024
Intern Software Engineer
Crafted scalable web applications and data-driven interfaces using the latest tech stacks, including APIs for a platform measuring cultural producers' social impact. Devised innovative web components and APIs to boost overall user experience and product performance. Oversaw the product backlog and prioritized features effectively to support development cycles.
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Virtusa

January 2023 - January 2024
Intern Infrastructure Operation (L.2 Support)
Monitored application performance and resolved 95%+ of complex L2 support issues during critical incidents, minimizing system downtime and risk. Executed incident and change management processes for the Vcommand project, ensuring system stability and reliability. Managed release and deployment activities, coordinating across teams to ensure smooth updates and operational efficiency. Prepared detailed technical reports aligned with project requirements and cross-team collaboration efforts.

Education

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Staffordshire University, UK

2025 - Present
Master's Degree in Computer Science (Currently Pursuing)
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SLIIT

July 2020 - Sep 2024
Bachelor's Degree Second Class Honours - Software Engineering (GPA 3.29)
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ESOFT

January 2020 -
International Diploma in Information Technology
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Microsoft Student Ambassador

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Contributed to building robust tech communities and developing technical and career skills for peers.
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Microsoft Certified

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Azure Fundamentals – foundational Azure cloud certification.
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University of Moratuwa

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English Language Skills for Employment - Department of Languages (DOL/ELSE/11/282)

Publications

2

MaterialFlow: An Innovative Model-Based Platform for Streamlining Materials Delivery in Sri Lanka's Construction Industry

August 16-18, 2024
2024 8th International Conference on Business and Information Management (ICBIM)
The construction industry in Sri Lanka, a vital contributor to the nation's economy and employment sector, currently confronts significant hurdles in material procurement and transportation. To address these challenges, MaterialFlow presents an innovative model-based platform engineered to streamline the materials delivery process in this industry. This platform comprises four main components: Customer and product clustering, Supplier-Driver Pair Recommendation, Price Prediction and Discount Analysis, and Fraud Detection. Through the integration of advanced machine learning and data clustering techniques, MaterialFlow aims to optimize supplier-driver pairings, facilitate predictive pricing strategies, and combat fraudulent activities. Leveraging contemporary software and cloud technologies, the platform endeavors to enhance operational efficiency and reduce costs across the construction supply chain.

Skills

React.js
Next.js
Node.js
NestJS
Express.js
TypeScript
Tailwind CSS
ShadCN
Redux
Ant Design
REST APIs
MongoDB
PostgreSQL
MySQL
AWS
Azure
Docker
GitHub Actions
Jenkins
Azure Pipelines
AWS CodePipeline
AWS CloudWatch
AI Agent Development
Prompt Engineering
VoIP / Meta Integrations
My Projects

Check out my latest work

I've worked on a variety of projects, from simple websites to complex web applications. Here are a few of my favorites.

Oral Connect

The world's first AI-native dental CRM platform. Built by dentists, powered by AI, designed for growth. Features predictive scheduling, automated reminders, financial follow-ups, AI-powered calling, lead management, and smart automation. Streamlines dental clinic operations with intelligent patient journeys and seamless integrations.

Next.js
AI/ML
VoIP
CRM
Typescript
Website

Empire Foods

Food service distribution platform connecting kitchens to quality since 1974. E-commerce solution managing over 5,000 products from a 60,000 sq. ft. facility, serving the restaurant industry with next-day delivery, online ordering, and inventory management.

Next.js
E-commerce
Typescript
Node.js
Website

IRev CRM Platform

An all-in-one CRM and marketing automation platform for the Australian real estate industry, managing the full sales lifecycle from lead to close.

Next.js
NestJS
Typescript
PostgreSQL
AWS
Website

Residentia Group B2B Platform

B2B web platform for an Australian appliance distributor, managing global supply chain and after-sales support with inventory and customer service tools.

React
Next.js
Typescript
Node.js
Website

Humanised Tech HR Platform

Cloud-based HR and payroll platform for Sri Lanka, automating core HR functions and ensuring compliance with local regulations.

React
Node.js
Typescript
Website

Dialog Genie App

A leading Sri Lankan fintech super app integrating digital payments, financial services, and a marketplace for savings, lending, and investment.

React Native
Node.js
Website

Clean Control Hygiene Platform

Hygiene and food safety compliance platform for the Dutch food service industry; digitises, manages, and monitors cleaning protocols with a companion mobile app.

React
Next.js
Node.js
Website

Takso Outcomes SaaS

Online SaaS for the cultural sector enabling better planning, execution, and evaluation of project outcomes with survey tools and reporting.

React
Node.js
Typescript
Website
Hackathons

I like building things

During my time in university, I attended 3+ hackathons. People from around the country would come together and build incredible things in 2-3 days. It was eye-opening to see the endless possibilities brought to life by a group of motivated and passionate individuals.

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    SLIIT Hackathon 2024

    SLIIT, Sri Lanka

    Participated in SLIIT Hackathon 2024, placing in the last 10 finalists. Developed innovative solutions within a 24-48 hour timeframe.
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    SLIIT Hackathon 2023

    SLIIT, Sri Lanka

    Secured 3rd place at SLIIT Hackathon 2023, building a functional prototype with modern tech stack.
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    SLIIT Hackathon 2022

    SLIIT, Sri Lanka

    Competed in SLIIT Hackathon 2022, placing in the last 10 finalists. Collaborated with a team to deliver a working solution under time constraints.
Contact

Get in Touch

Want to chat? Just shoot me a dm with a direct question on twitter and I'll respond whenever I can. I will ignore all soliciting.