Hello, I & apos; m

Vijayakumar Selvaraj

Software Architect

18 + years of designing scalable frontend systems, defining technology strategies, and shaping platform architectures for products serving millions of users.I turn complex business problems into clean, maintainable technical solutions.

Vijayakumar Selvaraj

About Me

A bit about myself

Vijayakumar Selvaraj

First - generation graduate from K.Keeranur, a village in Dindigul District, Tamil Nadu.I specialize in designing frontend platform architectures, establishing engineering standards, and driving technology decisions that shape how teams build software at scale.My work spans system design, performance engineering, and building the technical foundations that product teams rely on every day.Passionate about open - source, mentoring engineers into leadership roles, and using technology to create opportunities for underrepresented communities.

Phone +91 9886662366
Email vijay @vijayakumar.org
Location Bengaluru, Karnataka, India
From K.Keeranur, Dindigul, Tamil Nadu

Skills

What I bring to the table

Frontend Architecture
React Next.js TypeScript Micro-Frontends Design Systems State Management Performance Engineering
System Design
API Design REST & GraphQL Event-Driven Architecture Caching Strategies SSR/SSG/ISR Patterns Component Contracts
Platform & Infrastructure
AWS Docker CI/CD Pipelines Jenkins CDN Strategy Monitoring & Observability
Engineering Strategy
Technical Roadmaps ADRs RFC Process Build vs Buy Decisions Tech Debt Management Migration Planning
Developer Experience
Tooling & Automation Webpack/Vite Monorepo Architecture Code Quality Gates Testing Strategy
Leadership
Team Mentoring Cross-Team Alignment Stakeholder Communication Vendor Evaluation Hiring & Growth

Experience

Where I have shaped things

Senior Lead Engineer

Catalyst Brands (JCPenney)· Bangalore

2022 - Present

Owning solution design for the frontend platform serving 30M+ monthly users. Designed the micro-frontend strategy that decomposed a monolithic SPA into independently deployable modules. Defined component standards adopted across 12 product teams, and drove Core Web Vitals improvements of 40% through systematic performance engineering.

Technology Architect

Cognizant Technology Solutions· Bangalore

2018 - 2022

Owned frontend architecture decisions for Fortune 500 clients across retail and banking. Evaluated and selected technology stacks for greenfield projects, designed API contracts between frontend and backend teams, and established the React migration strategy across 5 concurrent programs. Mentored 20+ developers into senior and lead roles.

Senior Software Engineer

Cognizant Technology Solutions· Bangalore

2014 - 2018

Delivered frontend solutions for enterprise clients, progressively taking ownership of technical decisions. Led React adoption within the team, built reusable component libraries, and became the go-to person for performance issues and complex UI challenges across projects.

Senior UI Developer

Infosys· Bangalore

2012 - 2014

Built responsive enterprise dashboards and data visualization interfaces for global clients. Worked on large-scale projects that introduced me to structured engineering practices, code review culture, and cross-team collaboration at an enterprise level.

Web Developer

F5ive Technologies· Chennai

2008 - 2012

Built websites and web applications for SMBs and startups using PHP, JavaScript, and WordPress. Handled projects end-to-end from design to deployment, which gave me a strong foundation in full-stack thinking, client communication, and shipping under tight deadlines.

Education

Academic background

2005 - 2008

MCA

M. Kumarasamy College of Engineering, Karur

Specialized in software engineering and distributed systems. Final year project on distributed computing won department recognition and sparked a lasting interest in system architecture.

2002 - 2005

B.Sc., Computer Science

Vivekananda College, Tiruvedakam West, Madurai

Foundation in programming, data structures, and algorithms. Developed early interest in web technologies through self-taught PHP and JavaScript projects that later evolved into a career in frontend architecture.