Smart AI
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Freelance React & Next.js Developer with 7+ years shipping production features for Hootsuite, Renaissance Freckle, and Keller Williams. I architect for scale, performance, and security — not just feature velocity.
Available for projects · Remote worldwide · Start within 48h
I build scalable, performant web apps for platforms used by millions — architecting for scale, not just shipping features.
Years of Experience
Projects Shipped
Components Shipped
Uptime
I'm Jigar Vakil — a freelance developer based in Surat, India, working with global clients on React, Next.js, and Node.js for 7+ years.
My background in quantum computing and cybersecurity research means I architect systems thinking about scale, performance, and security — not just feature velocity. The result: 99.2% uptime, 22% faster APIs, and 15% higher retention for clients like Hootsuite, Renaissance Freckle, and Keller Williams.
Every claim backed by metrics: 28% faster load times, 22% API optimization, 15% retention increase.
Shipped production features for Hootsuite, Renaissance Freckle, and Keller Williams — across enterprise SaaS, EdTech, and PropTech.
I optimize for uptime, performance, security, and team growth — not just feature velocity.
The technologies I use to ship production-grade applications at scale.
A timeline of impact and growth.
La Net Team Software Solution Pvt. Ltd.
Built and scaled 10+ production React/Next.js applications across multiple enterprise client products — led architecture decisions, established shared component libraries, and drove measurable UX improvements for thousands of end users
Designed multi-tier role-based access control systems with complex permission models — ensured secure, seamless authentication and authorization across large-scale applications serving diverse user roles
Optimized performance across client platforms: reduced bundle sizes by 25% (2.8MB → 2.1MB), improved Core Web Vitals from 62 to 89, cut API response times by 22%, and achieved 28% faster load times via code splitting and lazy loading
Delivered enterprise-grade features including approval workflows with date-range filtering, bulk actions, and Excel export; built admin panels with cloning, publish/unpublish, unit management, and Google Autocomplete address input
Built powered analytics dashboards processing 50K+ data points — enabled 2K+ users to track large-scale activity with real-time insights; improved user engagement by 18% and decision-timing efficiency by 25%
Implemented progressive rendering for assessment and content modules — reduced critical page load times from 3.2s to 1.1s; maintained 99.5% uptime under peak loads serving 30K+ concurrent users
Led zero-downtime migration of legacy systems to modern React stack — rearchitected state management, consolidated redundant apps into unified modules, reducing maintenance surface and improving navigation flow
Debugged complex browser caching bugs where stale context in localStorage broke role-based data persistence — reworked storage and context handling to guarantee correct role-aware state across sessions
Integrated Smartling localization and built i18n pipelines covering 40+ languages — enabled global product rollouts with automated translation workflows across enterprise client platforms
Implemented security scanning pipelines (Snyk + DataDog) preventing 8+ critical vulnerabilities from reaching production; ensured PCI-DSS compliance for payment features — reduced production incidents by 35%
Established Jest + React Testing Library + MSW test infrastructure with 200+ tests; integrated feature flag systems (Split.io / LaunchDarkly) and observability tooling — improved release confidence and reduced bug escapes by 30%
Mentored 5+ engineers across client engagements — multiple mentees promoted within 10–12 months; lifted team velocity ~20% through shared tooling, code review standards, and documented best practices
Net-X IT & Multimedia Academy
Developed and deployed numerous dynamic web applications and websites across various domains, ensuring user-friendly designs and seamless functionality.
Provided in-depth training to undergraduate and postgraduate students pursuing BCA, BSc.IT, and MCA programs, focusing on key topics such as web development, programming languages, database management, and software engineering.
Organized workshops and seminars on emerging technologies, ensuring students are equipped with the latest industry trends and skills.
Conducted extensive research in the field of web technologies, exploring innovative solutions and best practices to enhance web development processes.
Investigated new tools, frameworks, and platforms, integrating cutting-edge technologies into existing systems to improve functionality and performance.
Giving back — open source and student community work.
Parul University
Managed placement for 500+ students across BCA, BSc.IT, and MCA programs — achieved 92% placement rate, above university average of 78%
Coordinated with 40+ top-tier companies (Infosys, TCS, Accenture, etc.) — secured 150+ internships and job offers averaging 35% higher salaries than peers
Organized 24 workshops, 8 recruitment drives, and 100+ mock interviews — directly resulted in 30+ students securing roles at top tech companies
Improved placement cell processes reducing hiring cycle from 6 weeks to 3 weeks — strengthened 15+ long-term industry partnerships
GitHub Arctic Code Vault
Code preserved in GitHub Arctic Code Vault — recognized as historically significant developer project
Active open-source contributor — contributed to projects benefiting 10K+ developers
Where it all started — research-driven university work.
Modules
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Modules
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Academic foundation — computer science with university recognition.
Master of Computer Applications
Bachelor of Computer Applications
Continuous learning — verified credentials from accredited institutions.
Research-driven thinking on quantum computing and cybersecurity.
ResearchGate
An overview of quantum computing principles — qubits, superposition, and entanglement — and their implications for cryptography, drug discovery, and optimization problems beyond classical computing limits.
International Journal of Scientific Research in Engineering & Technology
A systematic analysis of common cyber attack vectors — including phishing, DDoS, and SQL injection — with detection strategies and mitigation frameworks applicable to modern web applications.
What clients say about working with me.
“Jigar reduced our app’s load time by 28% and fixed critical security issues before they reached production. His work improved our user retention by 15% in just 3 months. Fast, reliable, and truly delivers impact.”
Mihir Rathod
Client
“Jigar shipped the real-time notifications feature on our global social media platform. He hit the deadline, optimized GraphQL queries by 22%, and was the core reason our feature launch succeeded. Extremely reliable.”
Jerzy Stuhr
Project Lead · Hootsuite
“Jigar mentored 2 junior developers who both got promoted within 12 months. He established code review processes that reduced bugs by 30%. His impact on our team’s growth was immense.”
Laxminarayan Raval
Colleague, La Net Team
“Delivered a full-featured React dashboard 2 weeks early. Reduced API response time from 400ms to 150ms. He doesn’t just code—he delivers measurable business results. Highly recommend!”
Aman Multani
Client
“Jigar reduced our app’s load time by 28% and fixed critical security issues before they reached production. His work improved our user retention by 15% in just 3 months. Fast, reliable, and truly delivers impact.”
Mihir Rathod
Client
I work with founders, agencies, and engineering teams shipping production React & Next.js apps. From quick fixes to long-term builds.
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Location
Surat, IN · Remote
Timezone
IST (UTC+5:30)
Flexible UTC+0 to UTC+5
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@jigarvakildev
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Email
jigarvakil.dev@gmail.com