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sijo sam

@sijosam

Technical Lead at Gadgeon who migrated a 100k+ line Angular codebase to React 19 and standardised AI-assisted development.

India

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At Gadgeon, I led the migration of a 100k+ line Angular 13 codebase to React 19 and introduced Claude Code and Windsurf across engineering teams. I also built a reusable analytics and reporting dashboard component library adopted across multiple product verticals.

At Diagnal Technologies, I modernised streaming-platform rendering pipelines, cutting load times by 30%, and owned technical SEO work that grew organic search rankings by 50%. I also build open-source AI tools, including a retrieval-augmented chat agent and a toolkit for detecting and blocking prompt injection.

Experience

Work history, roles, and key accomplishments

Current

Technical Lead

Current

Gadgeon

May 2025 - Present (1 year 5 months)

Led migration of a 100k+ line Angular 13 codebase to React 19, introduced AI-assisted development, and built reusable analytics components. Currently leading feature migrations from an acquired platform into the core product.

React 19 NodeJS Python Zustand MUI Docker GCP AWS Terraform Pimcore PHP Vue.Js Blazor .NET Spring Boot

Technical Lead

Diagnal Technologies

Jan 2022 - Jan 2025 (3 years)

Modernised frontend architecture for video streaming platforms, cutting load times by 30% and growing organic search by 50%. Led backend API integration and international teams, reducing code error rates by 35%.

React React Native Next.js GraphQL NodeJS Tailwind Redux toolkit AWS Netlify Astro

Software Developer

HyperBlox

Jan 2020 - Jan 2022 (2 years)

Architected a browser-based IDE for IoT and 5G platform, including compiler workflow integration and Lua runtime bridging, cutting development time by 30%. Collaborated with CTO on compiler design and served as Scrum Master.

React NodeJS MUI Redux Docker Lua Shell Scripting Kubernetes MongoDB

Software Developer

7th Pillar Ventures

Jan 2018 - Jan 2020 (2 years)

Built full-stack SaaS products across healthcare, retail, and travel with React, React Native, Node.js, and Next.js, improving client operational efficiency by 20%.