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Frontend Architect & Full-Stack Engineer

Architecting High-Performance
Enterprise Web Systems

Full-Stack Engineer with 7+ years of experience designing performant web applications, scalable APIs, and enterprise-grade data systems across frontend, backend, and cloud-native architectures.

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How I Add Value

Focusing on standard procedures that solve structural engineering bottlenecks.

Frontend System Design

Architecting modular codebases (monorepos, monoliths) using React and Next.js. Optimizing state flows via Redux Toolkit and enhancing Core Web Vitals performance.

Scalable Microservices

Building REST and WebSocket endpoints in Node.js and NestJS. Standardizing caching layers, security credentials management, and high-performance databases.

Testing & Integrity

Enforcing robust test coverage (Jest unit tests + Cypress E2E integrations) inside CI/CD pipelines to guarantee bug-free deployments and stable releases.

Featured Case Studies

Deep architectural breakdowns detailing real-world problems, actions, and quantifiable impacts.

STAR Methodology

Jeeva Trials24 Months

Enterprise RBAC & Clinical Data Governance Platform

Designed and implemented a dynamic Role-Based Access Control (RBAC) system and clinical query management workflow that enabled secure access governance, protocol compliance, and audit-ready data review processes across multi-site clinical trials.

React.jsRedux StoreREST API IntegrationReactstrapType-Safe Guards

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More Projects & Applications

Additional deployments, internal consoles, and software systems from my engineering history.

Jeeva Trials24 Months

HIPAA-Compliant Telehealth & WebRTC Consultation Platform

React.jsReduxTwilio Video SDKWebRTCHTML5 MediaDevices APISassTwilio Voice SDK

Designed and developed a HIPAA-compliant telehealth platform enabling clinical trial investigators and participants to conduct secure virtual consultations with integrated video conferencing, screen sharing, device diagnostics, and clinical documentation workflows.

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MarketSmasher4 Months

Multi-Channel Audience Synchronization & Marketing Analytics Platform

NestJSPostgreSQLSnowflake SDKAWS SQSPythonTypeORMLerna MonorepoHubSpot APIMailchimp APIConstant Contact APIMeta Ads APIGoogle Ads APIKlaviyo API

Designed and built a scalable audience activation platform that connected customer behavior data stored in Snowflake with leading CRM and advertising platforms including HubSpot, Mailchimp, Constant Contact, Meta Ads, Google Ads, and Klaviyo. The platform enabled marketers to automatically synchronize audience segments, schedule campaign deliveries, and monitor marketing performance through real-time analytics dashboards.

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KiwiTech1 Month

Enterprise Content Management System (CMS) & Event Administration Portal

Next.jsTypeScriptTailwindCSSDrizzle ORMPostgreSQLNextAuth.js v5bcryptjsZodReact Hook Form

Led the migration of a legacy corporate website CMS and event administration system to a modern Next.js + PostgreSQL architecture, implementing secure RBAC authentication, Drizzle ORM schemas, and relational transactional server actions.

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ChargeLab18 Months

Dynamic Power Management & Smart Charging Load Balancing Dashboard

React.jsTypeScriptTailwindCSSRTK QueryCypressi18nextGradleWebSocketsPanel Topology Algorithms

Architected and built the power management panel configuration interface and dynamic load-balancing rules engine for an EV charging network operator dashboard, enabling hosts to cascade electrical breakers and protect charging grids from capacity overloads.

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ChargeLab18 Months

EV Driver Portal & ISO 15118 Plug & Charge Certificate Management App

React.jsTypeScriptMaterial UI (MUI)Redux (Redux Toolkit)Stripe SDKISO 15118 SpecificationREST APIsi18next

Developed the driver-facing web portal and mobile web views for the ChargeLab network, implementing Stripe card tokenization, multi-language internationalization, and ISO 15118 Plug & Charge vehicle credential management.

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Full-Stack Capability Matrix

A transparent inventory of my professional technology experience.

Frontend

React.jsNext.jsTypeScriptRedux (Toolkit, Saga)TailwindCSS & CSS3JavaScript (ES6+)

Backend

Node.jsNestJSExpress.jsPostgreSQLSnowflake

Tools & Cloud

AWS (Cognito, CloudFront)Cypress & JestGitHub Actions (CI/CD)PostHog Analytics

Client & Colleague Feedback

What engineering leaders and clients say about our engagements.

“I worked with Raj on the frontend team at ChargeLab. He was always proactive about giving feedback in code reviews and team discussions, which made a real difference. Solid engineer to work with.”

Bin Chen

Senior Software Engineer • ChargeLab

Colleague (Lead Developer)

“I had pleasure of collaborating with Raj as a Frontend developer at ChargeLab. He has ability to work in a complex project and deliver work on time without compromising in the quality. He is a great team player, always coming up with ideas to improve team’s efficiency. Any team would be lucky to have him.”

Khushboo Shah

Senior Software Developer • Chargelab

Colleague (Senior Developer)

Let's Build Something Impactful

Whether you need a contract engineer to optimize your system designs, scale full-stack architectures, or build automated testing protocols, I am ready to jump in.

Available for high-ticket contract roles & freelance assignments

Standard rates apply: $30-50 / Hour on Upwork

LinkedIn Profile GitHub Repos Hire Me on Upwork

Architecting High-Performance
Enterprise Web Systems

How I Add Value

Frontend System Design

Scalable Microservices

Testing & Integrity

Featured Case Studies

Enterprise RBAC & Clinical Data Governance Platform

More Projects & Applications

HIPAA-Compliant Telehealth & WebRTC Consultation Platform

Multi-Channel Audience Synchronization & Marketing Analytics Platform

Enterprise Content Management System (CMS) & Event Administration Portal

Dynamic Power Management & Smart Charging Load Balancing Dashboard

EV Driver Portal & ISO 15118 Plug & Charge Certificate Management App

Full-Stack Capability Matrix

Frontend

Backend

Tools & Cloud

Client & Colleague Feedback

Let's Build Something Impactful

Proven Metrics / ROI

Healthcare Independent Dispute Resolution (IDR) Compliance & Claim Extraction Portal

Proven Metrics / ROI

Fractional Real Estate Investment Platform & Security Orchestration

Proven Metrics / ROI

Architecting High-Performance Enterprise Web Systems

How I Add Value

Frontend System Design

Scalable Microservices

Testing & Integrity

Featured Case Studies

Enterprise RBAC & Clinical Data Governance Platform

More Projects & Applications

HIPAA-Compliant Telehealth & WebRTC Consultation Platform

Multi-Channel Audience Synchronization & Marketing Analytics Platform

Enterprise Content Management System (CMS) & Event Administration Portal

Dynamic Power Management & Smart Charging Load Balancing Dashboard

EV Driver Portal & ISO 15118 Plug & Charge Certificate Management App

Full-Stack Capability Matrix

Frontend

Backend

Tools & Cloud

Client & Colleague Feedback

Let's Build Something Impactful

Proven Metrics / ROI

Healthcare Independent Dispute Resolution (IDR) Compliance & Claim Extraction Portal

Proven Metrics / ROI

Fractional Real Estate Investment Platform & Security Orchestration

Proven Metrics / ROI

Architecting High-Performance
Enterprise Web Systems