Available for Staff / Senior Full-Stack & Architecture Roles

Hi, I'm Rishabh Sharma

Full-Stack Developer & Backend Architect

Full-Stack Developer and Backend Architect with 7+ years of experience designing, scaling, and deploying high-performance distributed systems, Java microservices, responsive web applications, mobile platforms, and Generative AI systems across cloud platforms like AWS and GCP. Proven track record managing the full software development lifecycle (SDLC)—from architecture and development to cloud deployments, database optimization, and high-availability operations.

Explore Journey
Polyglot Stack in Action
OrderService.java
Backend Java
@PostMapping("/api/v1/orders") public CompletableFuture<OrderRes> checkout(@RequestBody OrderReq req) {   return orderService.reserveInventory(req)     .thenApply(res -> rabbitTemplate.convertAndSend(EXCHANGE, res)); }
AgentLiveRoom.tsx
React.js
export const LiveVoiceRoom = ({ roomId }: Props) => {   const { isConnected, audioTrack } = useLiveKitSession(roomId);   const [stats] = useAudioStream({ p99Target: 40 });   return <VoiceVisualizer active={isConnected} track={audioTrack} />; };
infra-stack.ts
AWS Cloud
const worker = new lambda.Function(this, "StreamWorker", {   runtime: lambda.Runtime.JAVA_21,   vpc: privateVpc, memorySize: 2048,   environment: { REDIS_CLUSTER: cacheCluster.endpoint } });
vector_search.sql
PostgreSQL SQL
SELECT chunk_id, document_title,   1 - (embedding <=> $1::vector) AS score FROM knowledge_embeddings WHERE tenant_id = $2 ORDER BY score DESC LIMIT 5;
campaign_analytics.js
NoSQL MongoDB
db.campaignMetrics.aggregate([   { $match: { status: "ACTIVE", impressions: { $gte: 10000 } } },   { $group: { _id: "$channel", totalReach: { $sum: "$impressions" } } },   { $sort: { totalReach: -1 } } ]);
10M+ Zero-Downtime Records Migrated
$1,000 / Mo Saved AWS Infrastructure
Core Capabilities & USPs

Architectural Services & Flagship Offerings

Delivering high-concurrency backend microservices, reactive modern web apps, cross-platform mobile apps, and production AI pipelines with end-to-end cloud ownership.

USP 01

Optimized, Concurrent Event-Driven Microservices from Scratch

Architecting resilient, distributed Java microservices from ground up. Decoupling synchronous bottlenecks using RabbitMQ and Apache Kafka to guarantee horizontal elasticity and sub-50ms latency.

  • ✓ Zero-to-one microservice domain modeling & REST contracts
  • ✓ Non-blocking asynchronous event queues (Kafka, RabbitMQ)
  • ✓ Multi-level Redis distributed caching & P99 latency tuning
Spring Boot 3 Java 21 RabbitMQ Kafka Redis
USP 02

Seamless, Lightweight React.js Web Applications

Engineering high-performance, pixel-perfect frontend web applications with modular component architecture, complex state management, real-time WebSockets, and dynamic interactive canvas workflows.

  • ✓ Modern responsive interfaces & dynamic form validations
  • ✓ Real-time streaming UI & live event dashboards
  • ✓ Performance-tuned DOM rendering & CWV optimization
React.js TypeScript Modern CSS REST / WebSockets
USP 03

Cross-Platform React Native Mobile Applications

Delivering fluid, 60fps native-feel mobile applications across iOS and Android with unified business logic, offline data caching, push notifications, and resilient API synchronization.

  • ✓ Cross-platform iOS & Android deployment from single codebase
  • ✓ Offline-first state persistence & background sync
  • ✓ Native device integrations, biometric auth & payment SDKs
React Native iOS / Android State Sync Mobile UX
USP 04

End-to-End DevOps & AWS / GCP Cloud Architecture

Full lifecycle cloud engineering—from zero-downtime containerized CI/CD pipelines to AWS right-sizing that systematically eliminated $1,000/month in cloud waste while securing 99.99% availability.

  • ✓ Multi-cloud setup: EC2, S3, ALB, Lambda, SES/SNS, EKS, GCP
  • ✓ Docker containerization & automated Jenkins CI/CD
  • ✓ Proven architectural cost reduction & resource right-sizing
AWS Cloud GCP Docker Jenkins CI/CD Cost Audit
USP 05

High-Throughput SQL & NoSQL Database Management

Enterprise schema design, query execution plan tuning, and connection pooling. Proven track record executing zero-downtime migrations of 10M+ records with zero data loss.

  • ✓ Zero-downtime shadow write migrations (10M+ customer records)
  • ✓ Composite indexing, query refactoring & N+1 elimination
  • ✓ Hybrid storage: PostgreSQL, MySQL, and MongoDB aggregations
PostgreSQL MySQL MongoDB Zero Downtime HikariCP
USP 06

AI Models Integration into Spring Boot & React Applications

Integrating real-time Generative AI, conversational voice agents, and context-aware RAG pipelines directly into production microservices and responsive web applications.

  • ✓ LiveKit real-time bidirectional audio & voice agent workflows
  • ✓ High-dimensional pgvector semantic search & RAG pipelines
  • ✓ Distributed background task coordination using BullMQ & Redis
LiveKit Voice pgvector BullMQ OpenAI APIs LangChain
Career & Architectural Mastery

Engineering Leadership & Experience

Click or tap any organization card to inspect the architectural blueprints, technical decisions, and production impact delivered during each tenure.

Click any company card to expand / inspect full architectural details
SG
SreeGen.com Current • SDE 3 Voice AI Operating System
Senior Software Developer (SDE 3) June 2026 – Present
Inspect Architecture ▾
Architecture Blueprint: Real-Time Voice Agent & RAG Pipeline
LiveKit RTC → Low-latency bidirectional audio session, voice activity detection (VAD), and speech recognition
pgvector → High-dimensional semantic knowledge retrieval and context matching in PostgreSQL
BullMQ/Redis → Decoupled background worker queues for asynchronous long-running task governance
Key Architectural Contributions & Production Scope:
  • Architected real-time voice agents utilizing LiveKit to coordinate bidirectional voice sessions, speech recognition, LLM reasoning, speech synthesis, and custom conversational tools.
  • Engineered resilient distributed background workflows using BullMQ and Redis to coordinate asynchronous task processing and operational execution.
  • Integrated PostgreSQL and pgvector for high-dimensional semantic search and retrieval-augmented generation (RAG) knowledge retrieval.
Stack: LiveKit BullMQ Redis PostgreSQL pgvector LLM Agents TypeScript/Node.js
ZL
Zilter Backend Lead $1,000/mo AWS Saved & 40% Latency Cut
Senior Software Developer (SDE 3) / Backend Lead May 2025 – Present
Inspect Architecture ▾
Architecture Blueprint: Multi-Tenant Event-Driven Microservices
Ingress → AWS ALB & Spring Cloud API Gateway handling multi-account OAuth & Graph API webhooks
Queues → RabbitMQ message exchanges decoupling campaign scheduling, throttling, and lifecycle events
Cache/Data → Multi-level Redis caching, PostgreSQL with composite index tuning eliminating N+1 queries
Key Architectural Contributions & Production Scope:
  • Architected, developed, and deployed the end-to-end backend and full-stack architecture for a multi-tenant MarTech platform from the ground up.
  • Led technical delivery for the social media marketing vertical (Meta, Instagram, Twitter/X OAuth, Webhooks, Graph APIs) supporting automated multi-account content publishing.
  • Engineered and maintained 6+ Spring Boot microservices powering campaign orchestration, omnichannel customer messaging, and automated lifecycle events.
  • Architected the core Campaign Management microservice from scratch, establishing API contracts, relational schemas, asynchronous workers, caching layers, and CI/CD pipelines.
  • Optimized AWS infrastructure (EC2, S3, ALB, Lambda, SES), reducing monthly cloud infrastructure spend by $1,000/month while ensuring 99.99% uptime.
  • Decreased P99 API latency by 40%+ through SQL execution plan analysis, strategic database indexing, Redis distributed caching, and eliminating N+1 queries.
  • Decoupled synchronous workflows using RabbitMQ message queues, enhancing event-driven fault tolerance, queue consumer throughput, and horizontal elasticity.
  • Worked and provided real-time technical support for clients across Africa, Europe, and India for CRM usage and operational issues.
  • Configured real-time observability using Prometheus metrics and Grafana dashboards across all microservices, cutting MTTR for production incidents.
Stack: Java Spring Boot Microservices RabbitMQ Redis AWS (EC2, S3, ALB, Lambda, SES) PostgreSQL Docker Grafana Prometheus React.js
ZM
Zemoso Technologies Low-Code Platform Engine
Senior Software Engineer II October 2024 – April 2025
Inspect Architecture ▾
Architecture Blueprint: Composable Drag-and-Drop Web Application Engine
Canvas → Appsmith-based configurable drag-and-drop component tree with dynamic form state management
Backend → Spring Boot REST API query builders validating schema execution and client contracts
Key Architectural Contributions & Production Scope:
  • Spearheaded development on an Appsmith-based low-code platform, enabling clients to compose responsive web applications via drag-and-drop configurable components.
  • Built resilient Spring Boot REST APIs and React.js frontend modules to power dynamic form validations, query builders, and complex component state management.
  • Refactored legacy endpoints and tuned SQL queries, improving overall API throughput and responsiveness across interactive canvas workflows.
  • Partnered with Product Managers and UI/UX Designers in bi-weekly Agile sprints to deliver production-grade modules.
Stack: Java Spring Boot React.js JavaScript REST APIs SQL Git
UG
UpGrad Top Performer Award • Promoted to Asst. Manager 10M+ Zero-Downtime Migration
Senior Software Developer / Assistant Manager January 2022 – June 2024
Inspect Architecture ▾
Architecture Blueprint: 10M+ Zero-Downtime Database Migration Engine
Dual-Write → Shadow dual-write pipeline synchronizing legacy and new relational schemas in real time
Reconciliation → Asynchronous payload verification and checksum reconciliation ensuring zero data loss
Cutover → Dynamic traffic cutover via feature toggles and multi-level Redis distributed caching
Key Architectural Contributions & Production Scope:
  • Zero-Downtime Migration: Architected and executed the zero-downtime database migration of 10M+ customer and transactional records, maintaining complete data integrity and zero data loss.
  • Designed and launched core Spring Boot microservices governing partner onboarding, OTP multi-factor authentication, rule-based lead distribution, and referral engines.
  • Boosted backend throughput via composite database indexing, multi-level Redis caching, and asynchronous payload validation.
  • Streamlined document and educational asset storage workflows through secure AWS S3 integrations using pre-signed URLs and lifecycle policies.
  • Conducted architectural reviews, enforced coding standards, mentored junior engineers, and resolved critical production incidents using Kibana and Grafana.
  • Recognition: Awarded Top Performer in the Growth Team and promoted from Software Development Engineer II to Assistant Manager.
Stack: Java Spring Boot Microservices REST APIs AWS S3 SQL MongoDB Redis Jenkins Grafana
CP
Cooey Health & Perpule Healthcare Tele-Monitoring & POS Retail
Software Developer June 2019 – August 2021
Inspect Architecture ▾
Architecture Blueprint: High-Volume Voice Broadcast & Payment Ledger
Voice Dispatch → High-throughput Twilio broadcast pipeline dispatching 5,000+ automated voice events per day
Payments → Payment gateways (Amazon Pay, PhonePe, Freecharge) with automated idempotent webhooks
Key Architectural Contributions & Production Scope:
  • Developed full-stack Spring Boot REST APIs and customer-facing interfaces serving healthcare tele-monitoring and omni-channel retail platforms.
  • Built a high-throughput Twilio-based automated voice broadcast and notification service handling 5,000+ outbound events per day.
  • Integrated digital payment gateways (Amazon Pay, PhonePe, Freecharge) with automated webhook reconciliations and idempotency safeguards.
  • Engineered relational database schemas and backend services for user authentication, transactional ledgers, and audit logging.
Stack: Java Spring Boot REST APIs SQL MongoDB Twilio Payment Gateway APIs
PL
Perpule – Delvit Solutions Retail Systems Intern
Software Developer Intern December 2018 – February 2019
Inspect Architecture ▾
Contributions:
  • Assisted in the design and automated testing of micro-modules for self-checkout and POS retail systems.
  • Collaborated with senior engineers on REST API debugging, integration testing, and deployment best practices.
Stack: Java REST APIs JUnit POS Systems
Interactive Workstation

Skills & Competencies Terminal

Select heading categories or enter terminal commands to inspect production keywords, architectural tiers, and proficiency tags across our tech stack.

rishabh@architect-mac: ~/stack-matrix (zsh)
TTY-01 • ONLINE
rishabh@architect:~/skills$ stack-inspect --category backend --mode keywords
[STATUS: 200 OK] Loaded 12 production keywords across 3 architectural layers:
▸ INSPECTOR OUTPUT: Spring Boot 3
Click any keyword chip above to inspect production context, architectural depth, or deployment usage.
guest@workstation:~$
Quick commands:
RS ARCHITECT STUDIO WORKSTATION // 4K 144Hz DISPLAY
PWR
Development Methodology

Our End-to-End Development Process

A step-by-step engineering pipeline. Click any checkpoint box below to inspect our detailed execution plan, deliverables, and quality gates for that stage.

100% Zero-Downtime Release Blue-Green cutovers with automated rollbacks
<50ms P99 Latency Target Composite index tuning & multi-level caching
100% Automated Quality Gates Linting, unit tests, security scans, Docker build
99.99% High-Availability SLA Prometheus & Grafana 24/7 telemetry monitoring
Academics

Bachelor of Technology in Computer Science

The LNM Institute of Information Technology (LNMIIT), Jaipur
2015 – 2019

Rigorous foundation in computer science fundamentals, data structures, algorithms, operating systems, database management systems, and distributed networking.

Community & Open Source

Google Code-in Mentor & Contributor

Mifos Initiative (Open Source Financial Software)
2017 – 2018

Mentored international pre-university students on open-source software development, Git version control best practices, code review ethics, and Java contribution standards for the Mifos initiative.

Freelance & Consulting

Looking to Hire for a Freelance Project or Architecture Audit?

I collaborate with startups and enterprises across the complete stack: Backend Microservices (Spring Boot), Frontend Webapps (React.js), Mobile Apps (React Native), Databases (SQL/NoSQL), AWS Cloud & DevOps, and Real-Time GenAI Voice Systems. Explore the dedicated query screen to scope your project.

Open Freelance Query Screen
Get in Touch

Let's Build Something Resilient Together

Whether you're looking for architectural leadership, scaling distributed microservices, or building agentic AI systems.

Direct Channels

Feel free to reach out directly via email, phone, or connect on LinkedIn and Medium.

Email Address
rishabh0297@gmail.com
Phone & WhatsApp
+91-8385952233
Online Presence
LinkedIn & Medium Articles

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