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2026-06-02
10 min
Available for new opportunities
Building systems
at scale.
I'm Avinash Purohit, a Full-Stack Software Engineer with 2+ years of professional experience building scalable production systems and shipping distributed web platforms serving 5,000+ active users.
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Story
An engineer who builds
for the long term.
My journey in software engineering started with a curiosity for how complex systems operate under the hood. Combining logical rigour from my B.Sc., a structured foundation from my Diploma in Software Development, and advanced studies in my BCA, I carved out a path specializing in high-performance backends and scalable systems.
With 2+ years of professional experience as a Full-Stack Software Engineer, I have built and delivered 8+ distributed production applications across pet tech, e-commerce, industrial manufacturing, and EdTech verticals, collectively serving over 5,000+ active users.
I specialize in backend engineering, RESTful API design, microservice architectures, secure authentication (RBAC, JWT, OAuth2), and performance optimization: routinely reducing API response latencies, managing multi-domain deployments, and designing highly available systems.
Backend
Java / Spring Boot / Node.js
Architecture
System Design / Scalability
Frontend
React / Next.js / TypeScript
Data
MongoDB / MySQL / Redis
Portfolio
Featured Case Studies
const StarTagQR = {
id: 'PET-9625438',
ownerContact: 'avinash@avinashpurohit.com',
notifyFinder: async (coords) => {
return await LocationService.dispatch({
recipient: ownerContact,
mapUrl: `https://maps.google.com/?q=`
});
}
};
id: 'PET-9625438',
ownerContact: 'avinash@avinashpurohit.com',
notifyFinder: async (coords) => {
return await LocationService.dispatch({
recipient: ownerContact,
mapUrl: `https://maps.google.com/?q=`
});
}
};
Next.jsNode.jsMongoDB
StarTag — Smart Pet ID & E-Commerce Platform
QR-based pet identification platform featuring secure owner notifications, privacy locks, medical records, and an integrated product store.
Engineered the absolute backend services, automated cloud deployment pipelines, administrative control panels, and location dispatching mechanisms. Maintained a secure database structure while UI efforts were focused on dashboard management.
platform
QR & E-Commerce
infosec
Privacy Protected
deployment
AWS Stack
const TLDs = ['.in', '.de', '.uk'];
const CDNPipeline = new DeploymentRoute({
image: 'bla-etech/web:latest',
domains: TLDs,
onPush: (branch) => Docker.deploy(branch, {
strategy: 'rolling-update'
})
});
const CDNPipeline = new DeploymentRoute({
image: 'bla-etech/web:latest',
domains: TLDs,
onPush: (branch) => Docker.deploy(branch, {
strategy: 'rolling-update'
})
});
Next.jsNode.jsPostgreSQL
BLA Etech — Industrial Electronics Platform
High-performance product catalog and lead generation platform for a global industrial EMI/EMC filter and EV charger manufacturer.
Deployed across 4+ international top-level domains (.in, .de, .uk) with zero-downtime release pipelines. Handled complete backend engineering, SEO optimizations, Docker containerization, and multi-domain mapping setups.
domains
in, de, uk, etc.
pipeline
Zero-Downtime
catalog
EMI / EMC Filters
const PaymentGateway = {
merchantId: 'MID-JAIMEE-B2B',
processTransaction: async (order) => {
const res = await Razorpay.createOrder(order);
if (res.status === 'paid') {
await Inventory.update(order.items);
}
}
};
merchantId: 'MID-JAIMEE-B2B',
processTransaction: async (order) => {
const res = await Razorpay.createOrder(order);
if (res.status === 'paid') {
await Inventory.update(order.items);
}
}
};
Next.jsNode.jsMongoDB
Jaimee — Promotional E-Commerce Products
Customized promotional products e-commerce system featuring secure checkouts, order administration, dynamic inventory management, and invoice generation.
Architected complete order processing database backend, payment integrations, and administrative dashboards. Engineered optimal product variant tracking and structured client checkout sessions.
payments
Gateway Sync
inventory
Real-time Update
model
B2B & B2C Portal
@Repository
public interface CollegeSearch extends JpaRepo {
@Query("SELECT c FROM College c WHERE c.name LIKE %:term%")
List<College> findMatching(String term);
// Connection pool config reduces query latency to <200ms
}
public interface CollegeSearch extends JpaRepo {
@Query("SELECT c FROM College c WHERE c.name LIKE %:term%")
List<College> findMatching(String term);
// Connection pool config reduces query latency to <200ms
}
Spring BootReactMySQL
SikshaHelpline — Education Resource Portal
Comprehensive educational search database indexing over 5,000+ colleges with high performance filtering and caching structures.
Designed query optimizations and structured schema indexing to support faceted filter options, achieving sub-200ms query latency times on complex college lookup operations.
latency
Sub-200ms
capacity
5,000+ Colleges
caching
Optimized Pools
More Engineering Projects
Specialized services, client applications, and utility platforms.
Spring BootReact.jsWebSocketsStreaming
Learning Management System
Built a production-ready LMS supporting 500+ concurrent users featuring course builders, instructor dashboards, real-time client communication, and video streaming endpoints.
React.jsNode.jsMongoDBExpress
InternationalGift.in
A full-stack gift e-commerce solution with product cataloging, secure payment checkouts, and custom order tracking handling 1,000+ daily active users.
Google Maps APINode.jsRouting Engine
Custom Navigation System
Bespoke navigation system using the Google Maps API with custom routing logic to locate and optimize path coordinates for a private enterprise client.
Confidential
Expertise
Technical Stack & Engineering Depth
Programming Languages
JavaExpert
Enterprise systems, Spring framework
JavaScript / TypeScriptExpert
ES6+, dynamic applications, Node.js
Python & SQLAdvanced
Data pipelines, scripting, relational queries
C / C++Proficient
Data structures & foundational algorithms
Frontend Development
Next.jsExpert
App Router, SSR, Server Components
React.jsExpert
Hooks, Context API, rendering optimization
HTML5 / CSS3Expert
Clean semantics, structured styling
Tailwind CSSExpert
Utility-first layout, custom design tokens
Backend & APIs
Spring BootExpert
Microservices, Spring Security, robust REST APIs
Node.js & Express.jsExpert
Scalable Event-driven APIs, fast serving
LaravelAdvanced
Classic MVC, routing, template handling
RESTful & GraphQLExpert
Optimized contracts, query optimization
Databases & Caching
MongoDBAdvanced
NoSQL document schema design & queries
MySQL & PostgreSQLAdvanced
Relational optimization, joins, indexing
Oracle DatabaseAdvanced
Enterprise PL/SQL and stored procedures
RedisAdvanced
Session handling, high-performance API caching
Cloud & DevOps
Amazon Web Services (AWS)Advanced
EC2 instances, S3 storage, custom clouds
Docker ContainerizationAdvanced
Environment replication, image builds
CI/CD & Git Version ControlAdvanced
Automated pipelines, multi-branch workflow
Linux & Nginx hostingAdvanced
Multi-domain reverse proxy setups
Engineering Concepts
System DesignExpert
High availability, distributed architectures
Security & AuthExpert
RBAC, JWT, OAuth2 secure flows
TDD & Agile/ScrumAdvanced
Unit testing coverage, weekly sprints
Google Maps APIAdvanced
Custom location routing & GPS logic
Infrastructure
System Design & Deployment
Client Tier
Next.js / Framer
Security Layer
JWT / Nginx
Application Tier
Spring Boot / Node
Data Tier
MySQL / MongoDB
Production Setup
Deployment on Linux VPS using Nginx as a reverse proxy, with SSL termination and security hardening at the OS level.
Scalability
Designed with a modular approach to support horizontal scaling and microservices migration as the system grows.
Auth Flow
Comprehensive authentication using Spring Security and NextAuth, implementing secure cookie handling and token rotation.
Journey
Engineering Milestones
May 2024 - Present
Full-Stack Software Engineer
RapidDigitalGrowth, New Delhi, India
Designing and shipping 8+ production web applications end-to-end spanning pet tech, e-commerce, B2B, and EdTech vertically. Reduced backend service latencies by 40% through Redis caching, connection pooling, and multi-threaded request processing. Deployed zero-downtime, multi-domain CI/CD pipelines across global ccTLDs and secured admin systems with RBAC, JWT, and OAuth2.
Spring BootNext.jsDockerDevOpsRBACTDD
BCA Graduation
Bachelor of Computer Applications (BCA)
Mangalayatan University, Delhi
Engaged in detailed theoretical and practical studies in computer applications. Core coursework: Data Structures & Algorithms (DSA), Database Management (DBMS), Software Engineering, and System Design.
DSADBMSSoftware EngineeringSystem Design
Software Diploma
Diploma in Software Development
Arth Institute, Delhi
Acquired deep foundational expertise in full-stack web technologies, object-oriented concepts, OOP software logic, database architecture design, and modern frontends.
Full-Stack DevOOPDatabase DesignWeb Tech
B.Sc. Graduation
Bachelor of Science (B.Sc.)
IGNOU, Delhi
Cultivated rigorous logical thinking, science framework analysis, and analytical problem-solving models for high-level technical challenges.
Analytical ThinkingMathematicsProblem Solving
Writing
Technical Insights &
Engineering Journals
Documenting my journey through complex architectures and system design patterns.