Ranjeet Singh

Engineering Manager with 15+ years of experience designing and building responsive, scalable, high-performance web applications using React.js, JavaScript/TypeScript, and the modern React ecosystem. Deep expertise across component architecture, state management (Redux Toolkit), server-state tools (TanStack Query), and API integration (REST, Axios). Comfortable working across the stack with Node.js/Express, and experienced with CI/CD pipelines (Jenkins, GitHub Actions, AWS CodePipeline) and Docker-based deployments.

Hands-on with Generative AI and agentic tooling, including building a custom chatbot on AWS Bedrock and using Cursor, ChatGPT, and Claude to accelerate development. Combines strong individual technical execution with the architectural judgment and delivery discipline gained from leading engineering teams on high-scale, multilingual, consumer-facing products serving 10M+ monthly users.

Engineering Manager - Harns Technologies

(2023-05)

Technology solutions company building enterprise-grade web and mobile products.

• Lead frontend architecture and technical strategy across SaaS, Healthcare, E-commerce, and Media platforms, providing technical direction to cross-functional engineering teams of 15+ engineers and driving scalable, maintainable, and high-performance web application architecture across multiple products.
• Own frontend architecture and engineering standards for Woovet (Veterinary SaaS PMS), LibsiMarkah (E-commerce), AwalTali (Restaurant Management System), and ePaper (Digital Media Platform), defining architectural patterns, component structures, integration approaches, coding standards, and technology decisions across diverse business domains.
• Architect and drive frontend modernization and performance initiatives, improving Google Lighthouse scores from 65 to 95 and reducing Largest Contentful Paint (LCP) from 6.0s to 3.2s through SSR optimization, image optimization, CDN tuning, caching strategies, and frontend performance engineering.
• Establish frontend engineering best practices and delivery standards through structured code reviews, automated testing, CI/CD pipelines, Docker-based deployments on AWS ECS, coding standards, and quality gates, contributing to a 40% reduction in post-release defects and more predictable production releases.
• Drive technical collaboration across Product, Design, QA, Backend, and DevOps, translating product requirements into scalable frontend architecture, identifying technical risks and dependencies, evaluating architectural trade-offs, and ensuring consistent implementation across business-critical initiatives.
• Provide technical leadership and mentorship to engineers and technical leads, conducting architecture discussions, design reviews, technical interviews, and code reviews while establishing engineering practices that improve code quality, scalability, maintainability, and developer productivity.
• Partner with DevOps and cloud engineering teams on application deployment architecture, AWS infrastructure integration, containerization, observability, and release strategies, supporting 99.9% application availability and 50+ production releases annually.
• Lead hiring, technical interviews, performance reviews, promotions, career development, and succession planning while mentoring engineers and technical leads. Collaborate with DevOps teams to manage AWS infrastructure and deployment strategy.
• Built a custom AI chatbot using AWS Bedrock, and guided a team member in implementing a vector database for retrieval within the Bedrock-based solution; also drove adoption of Cursor for AI-assisted/agentic code generation along with ChatGPT and Claude across the engineering team to accelerate development and improve productivity.

UI Lead - Asianet News Network

(2021-01 - 2023-05)

India's leading regional news broadcaster with digital platforms across 7 Indian languages.

• Architected and delivered multilingual digital news platforms serving over 10 million monthly users across seven Indian languages using a unified React.js codebase, eliminating duplicate development effort and accelerating feature delivery.
• Implemented Server-Side Rendering (SSR) using Express.js, significantly improving SEO, search visibility, Core Web Vitals, and page load performance for high-traffic digital news platforms.
• Led a team of frontend developers across feature planning, architecture reviews, coding standards enforcement, and continuous deployment cycles.
• Drove frontend modernization and performance optimization initiatives, collaborating closely with Product and Backend teams to maintain fast, reliable deployments.

UI Lead - Times Internet

(2020-11 - 2021-01)

Digital venture of The Times Group - one of India's largest digital media companies.

• Contributed to large-scale multilingual news products (web, mobile, AMP) using React-based SSR architecture for a platform serving tens of millions of users.
• Led frontend scalability initiatives and SEO-focused architecture improvements in collaboration with cross-functional engineering and product stakeholders.
• Improved frontend scalability, Core Web Vitals, and SEO through React-based SSR architecture and performance optimization techniques.

Module Lead - Kellton Tech Solutions Ltd.

(2013-02 - 2020-10)

Global technology and digital transformation services company based in Gurgaon.

• Led end-to-end delivery of enterprise web applications using PHP, Drupal, JavaScript, and MySQL, collaborating directly with international clients while mentoring developers, conducting code reviews, and driving technical design decisions across multiple concurrent projects.
• Key projects included BluePageIndia (blue-collar job portal), Carerally (healthcare social platform), StudyFlow (Dutch edtech platform), and Havana Tour (travel booking).

Senior Software Engineer - Tekriti Software Pvt. Ltd.

(2010-09 - 2013-02)

• Developed and maintained PHP and Drupal-based web applications; contributed to frontend integration, backend APIs, and performance optimization.

PHP Developer - Xevoke Consultancy Services

(2010-01 - 2010-09)

• Built and maintained PHP applications; supported frontend integration, debugging, and deployment activities.

B.Sc. - Physics, Chemistry, Mathematics - VBS Purvanchal University (2005)

A Level & O Level - Computer Science - DOEACC (National Institute of Electronics & Information Technology) (2008 - 2009)