Ajay Singh

MERN Stack Developer - Gujarat University (DPPG) - Ahmedabad

(2025-07)

Built 15+ scalable React.js and TypeScript modules for DPPG admin, frontend and backend workflows, using Redux Toolkit, Context API and SCSS to support academic governance operations.
Developed 10+ responsive dashboards, role-based admin screens and academic management interfaces with React.js, JavaScript, HTML5, CSS3 and REST API integration.
Implemented 20+ reusable components and functional programming patterns to improve code quality standards and reduce duplicate UI logic across the platform.
Integrated 25+ REST API endpoints with Node.js and MongoDB services, aligning frontend state management with backend API design for faster feature delivery.
Used Git, peer review, Jest unit testing and documentation practices across 2-week sprint cycles to support full development lifecycle ownership.
Reduced initial page load time by ~30% through React memoization, lazy loading and code-splitting for data-heavy admin screens.

Senior Frontend Developer - Crizalinfotech Pvt - Delhi

(2024-10 - 2025-06)

Served as senior frontend developer in react.js across 4 production projects including getdandy.com, tform.io, dpbosses.com and DPPG, delivering responsive user interfaces with React.js, TypeScript and Redux Toolkit.
Built 30+ component-driven screens for dashboards, admin panels and public-facing web applications using SCSS, JavaScript, HTML5, CSS3 and modern React hooks.
Integrated 35+ REST API endpoints and backend workflows with Redux Toolkit and Context API, improving data consistency for business-critical features.
Participated in requirements analysis, design planning, implementation, review, testing and documentation across 2-week Agile sprint cycles.
Applied Git branching, pull request reviews and frontend best practices to maintain code quality standards across a distributed engineering team.
Reduced UI rendering issues by ~35% through component refactoring, typed props and reusable React.js patterns.
Improved dashboard performance by ~30% using memoization, route-level code-splitting and optimized state updates.
Delivered 4 client-facing React.js projects within planned release cycles, supporting production enhancements and business continuity.

Senior Frontend Developer - Visilean India Pvt - Ahmedabad

(2022-09 - 2024-07)

Developed 40+ modular React.js components for a construction SaaS platform at go.visilean.com using TypeScript, Material UI, SCSS and Redux-based state management.
Built 12+ workflow automation screens and data-heavy dashboards for construction planning, tracking and enterprise project visibility.
Integrated 30+ REST API services with frontend modules, improving API-driven data rendering and user interaction flows.
Contributed to architectural decisions for 5+ new product modules, using component reuse, responsive design and frontend performance best practices.
Collaborated with product, backend and design teams across 2-week Agile sprints for requirements analysis, UI design, delivery planning and feature enhancements.
Improved dashboard usability for high-volume data views by ~30% through optimized React rendering and structured component hierarchy.
Reduced UI development effort by ~25% by standardizing reusable Material UI and SCSS component patterns.
Shipped 5+ SaaS feature modules with improved code maintainability, Git review discipline and production-ready documentation.

Senior Consultant - Optimum Solutions - Bangalore

(2022-01 - 2022-06)

Built 10+ secure React.js, Redux and TypeScript UI components for a Digital Banking project for City Bank, following banking-grade frontend standards.
Implemented responsive user interfaces using JavaScript, HTML5, CSS3, Material UI and REST API integration for financial workflow screens.
Participated in 2-week sprint planning, requirements analysis, implementation, testing and peer review with cross-functional banking teams.
Used Jest and React Testing Library to validate 15+ critical UI behaviours and reduce risk in regulated financial user journeys.
Maintained Git-based version control, code review discipline and technical documentation for compliant software delivery.
Improved UI reliability by ~30% through unit testing, typed React components and controlled state management.
Reduced rework during review cycles by ~20% by aligning React.js implementation with design, security and compliance expectations early.
Delivered banking UI enhancements within 6-month engagement timelines while maintaining production-quality frontend standards.

Team Lead - InfoStride - Mohali Chandigarh

(2014-03 - 2021-12)

Led a team of designers and developers for 250+ responsive websites and web applications across e-commerce, SaaS, BI, ERP, education, healthcare, management, admin and corporate domains.
Designed and developed 25+ major client-facing platforms and design systems using HTML5, CSS3, Sass, JavaScript, React.js, WordPress, Shopify and custom UI frameworks.
Managed full UI/UX lifecycle for 50+ projects, covering wireframing, prototyping, user testing, responsive implementation, Git version control and deployment coordination.
Mentored 5+ frontend developers through code reviews, engineering standards, sprint planning and reusable component practices.
Built enterprise dashboards, custom themes and storefronts using React.js, JavaScript, HTML, CSS and API-driven integrations for business workflows.
Delivered 250+ responsive digital products over 7+ years, improving client delivery capability across multiple industries and project sizes.
Increased team productivity by ~35% through reusable UI components, standard coding practices and structured review processes.
Reduced frontend turnaround time by ~30% by introducing design-to-code workflows, reusable Sass patterns and clearer delivery documentation.
Grew into a senior frontend developer in react.js leadership profile by combining hands-on React.js engineering with mentoring, planning and client delivery ownership.

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