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Nelaka Withanage

@nelakawithanage

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Senior Software Engineer | React.js · Vue.js · TypeScript | 9+ Years Experience

Sri Lanka

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What I'm looking for

I seek senior frontend roles building component-driven, user-focused web or hybrid apps, collaborating in Agile teams, and using modern JS frameworks and design systems.

Senior Software Engineer with 9+ years of experience delivering scalable web applications for fintech, AI, and compliance systems across US, UK, and Australian markets. While an expert in TypeScript, React, and Vue.js, I bring significant full-stack depth with production-level proficiency in Node.js/Express and NestJS. I specialize in building performant, user-centric interfaces and bridging them with robust backend logic and API architectures. Experienced in remote-first work flow and passionate about engineering high-impact, end-to-end digital solutions.

Experience

Work history, roles, and key accomplishments

Current

Independent Software Consultant

Current

Freelancer

Nov 2024 - Present (1 year 4 months)

• Providing full-stack software engineering services focusing on Javascript ecosystem with MySQL and PostgreSQL.
• Most recent work is in the Human Resource Management domain.
• Implementing TDD and CI/CD best practices for high-performance internal technical prototypes

Systems Architecture CI CD Vue3 Next.js NestJS PostgreSQL

Frontend Engineer

Startup Steroid

May 2024 - Oct 2024 (5 months)

Built and maintained UI components and frameworks for the company's web product, developing the Calendar and Events module and Deal Flow product while integrating REST APIs and using Azure DevOps for delivery.

Vue.Js Javascript (ES6)TypeScript REST APIs Azure DevOps Figma

Senior UI/UX Engineer

Uptime

Oct 2022 - Apr 2024 (1 year 6 months)

Led front-end development for client projects (including Jiva.ai and a University College Dublin portal) building VueJS-based web apps, integrating APIs and contributing to an internal partner management app using TypeScript, Pinia and Quasar UI.

TypeScript SCSS Pinia API Integration Jira

Senior UI Engineer

IdeaHub

Jul 2019 - Oct 2022 (3 years 3 months)

Developed UI components and integrated APIs for digital finance products (web and Android), contributing to a bank's mobile banking, digital wallet, portals and POS solutions and building UI collections for client apps using React and Vue.

React Vue.Js TypeScript SCSS Material UI API Integration Git

Junior Software Engineer

Eyepax

Feb 2017 - Apr 2018 (1 year 2 months)

Developed front-ends for Expedia Group as an outsourced developer, creating HTML/JS/LESS UIs for seasonal promotions and booking platforms and working with component libraries and templating systems.

HTML5 JavaScript LESS UI Development Component Libraries Templating Systems Jira Git

UI Developer

Lily Digital

Apr 2015 - Jan 2017 (1 year 9 months)

Contributed to the OzoneDesk ERP UI and PHP-based side projects, implementing front-end features using HTML, jQuery, Bootstrap and CSS for a monolithic PHP system.

HTML5 CSS3 jQuery Bootstrap PHP UI Development Git