Lokesh Babu Sharma

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Delivering $500K+ in cost savings through cloud optimization | Architected 15+ microservices processing 1M+ daily transactions | Reduced system latency by 80% for Fortune 500 clients

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Lokesh Sharma

About Me

Building Enterprise Solutions That Drive Business Impact

As a Senior Technology Consultant at Ernst & Young LLP with over 6.5 years of progressive experience, I architect and deliver mission-critical backend systems processing 1M+ daily transactions that power global enterprise operations. My expertise spans the full spectrum of modern software development—from designing cloud-native microservices to modernizing legacy monolithic applications, delivering $500K+ in annual cost savings through strategic optimization.

I bring deep technical proficiency in Java ecosystem (Spring Boot, Hibernate, JPA) combined with advanced cloud engineering skills on AWS platform. My track record includes leading the development of 15+ high-traffic services handling 500K+ API requests daily, achieving an 80% performance improvement, and reducing production incidents by 70% through strategic refactoring and quality enhancement initiatives that improved system uptime to 99.95%.

What sets me apart is my ability to bridge the gap between complex technical architectures and tangible business outcomes. I thrive in collaborative environments, having successfully partnered with cross-functional teams of 50+ developers, while also demonstrating strong capabilities as an independent technical leader driving end-to-end delivery.

0M+

Daily Transactions

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Features Delivered

$0K+

Cost Savings Achieved

0.95%

System Uptime

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Technical Skills

Backend Development

Java 8+ & Multithreading
Spring Boot & Microservices
Hibernate/JPA
REST APIs & gRPC
JUnit & Test-Driven Development

Cloud & DevOps

AWS Cloud Services (EC2, Lambda, S3, SQS, SNS, CloudWatch, RDS)
Cloud Architecture & Development
Docker & Kubernetes
Terraform & CloudFormation (IaC)
Jenkins & CI/CD Pipelines

Databases & Messaging

Relational DB (MySQL, PostgreSQL, Oracle)
NoSQL (MongoDB, DynamoDB, Cassandra)
In-Memory Stores (Redis, RocksDB)
Apache Kafka & Event Streaming
IBM MQ & Message Queuing

Tools & Architecture

IntelliJ IDEA Maven Gradle Git & GitHub Jenkins Jira & Agile Postman SonarQube ELK Stack GitHub Copilot Microservices Architecture Event-Driven Design Cloud-Native Development AWS Certified

Work Experience

Mar 2022 - Present

Senior Technology Consultant (Java Developer)

Ernst & Young LLP

  • Spearheaded enterprise application modernization initiatives for Fortune 500 clients, transforming legacy monolithic systems into cloud-native microservices architectures, migrating 500GB+ data and handling 25K+ concurrent users with zero downtime during deployment
  • Architected and deployed serverless solutions using AWS Lambda, Step Functions, DynamoDB, and SQS/SNS, processing 500K+ events daily and reducing infrastructure costs by $200K annually (40%) while improving scalability and reducing latency from 2s to 200ms
  • Led technical implementation within cross-functional agile teams of 15+ developers across 3 global locations, driving best practices in code review, CI/CD pipeline optimization, and DevOps workflows, delivering 12+ production releases with 98% on-time delivery rate
  • Engineered 15+ mission-critical microservices serving as foundational components for 20+ dependent applications, processing 1M+ daily transactions and achieving 80% response time improvement (from 1.2s to 240ms) through strategic caching, query optimization, and distributed computing patterns
  • Drove code quality transformation by refactoring 20+ legacy services ( 150K+ lines of code), reducing codebase complexity by 35%, improving maintainability scores from 40% to 85% through adherence to SOLID principles, and increasing test coverage from 45% to 92%
  • Resolved 75+ critical production defects affecting 100K+ users through systematic root cause analysis and preventive measures, reducing application crashes by 70% (from 200 to 60 monthly incidents), improving overall system stability to 99.95% uptime, and reducing MTTR from 4 hours to 45 minutes
May 2021 - Mar 2022

Software Engineer (Java Developer)

Smartbox Ecommerce Solutions Pvt. Ltd.

  • Developed core backend infrastructure for IoT-enabled smart locker logistics platform serving 500+ retail locations across 15 cities, handling 15K+ daily locker operations with 99.8% uptime SLA compliance and processing 500K+ transactions monthly
  • Designed and implemented QR code authentication and multi-channel SMS engagement systems, processing 30K+ monthly messages, increasing customer adoption rates by 45% and improving customer satisfaction scores from 3.2 to 4.5/5 through seamless user experience
  • Established comprehensive monitoring framework using ELK Stack (Elasticsearch, Logstash, Kibana) processing 2GB+ daily logs, enabling real-time analytics and proactive incident detection across 100+ endpoints, reducing MTTR by 60% (from 2.5 hours to 1 hour)
  • Engineered automated audit service from ground up to track messaging and email costs across platform, monitoring $15K+ monthly communication spend, providing financial visibility that identified $60K annual cost optimization opportunities (35%)
  • Championed code quality improvements through systematic refactoring initiatives across 80K+ lines of code, reducing technical debt by 30%, eliminating 200+ code smells, while enhancing test coverage from 55% to 85% and reducing build time by 40%
Apr 2019 - May 2021

Senior Associate Consultant (Java Developer)

Oodles Technologies Pvt. Ltd.

  • Delivered technical solutions across diverse verticals for 8+ enterprise clients including blockchain-based identity systems, IoT platforms, social networking applications (15K+ active users), and e-commerce marketplaces processing $500K+ monthly GMV
  • Architected microservices-based solutions serving 25K+ daily users with RESTful API design, implementing OAuth 2.0/JWT authentication and role-based access control for enterprise security compliance, achieving zero security breaches and maintaining 100% SOC 2 compliance
  • Pioneered WhatsApp Business API integration for automated customer engagement, processing 75K+ monthly messages across 5 client projects, with 98.5% delivery success rate and reducing customer response time from 4 hours to 15 minutes, improving customer engagement by 65%
  • Successfully delivered 50+ feature enhancements and resolved 80+ production defects across 6 concurrent projects, maintaining 95% sprint commitment achievement and zero missed SLA deadlines over 24 months
  • Elevated engineering standards by introducing code review protocols (500+ reviews conducted), unit testing frameworks, and design patterns, improving overall code quality metrics by 50%, reducing defect density from 8 to 3 per KLOC, and improving code coverage from 40% to 90%

Featured Projects

Customer Output - Fidelity

Customer Output (Fidelity)

Architected enterprise-grade automated communication platform delivering multi-channel customer notifications (email, PDF, postal). Designed serverless AWS infrastructure processing 100k+ daily transactions with 80% latency reduction through event-driven architecture.

Java AWS Lambda CloudFormation Terraform Oracle
Smartbox Digital Lockers

Smartbox Digital Lockers

Engineered IoT-enabled digital locker management system supporting 500+ retail locations. Implemented real-time device monitoring, QR-based authentication, and SMS engagement workflows. Achieved 99.8% system uptime and 70% performance improvement through strategic caching and query optimization.

Java MySQL AWS S3 ELK Stack
Nexogic Health Network

Nexogic - Health Practitioner Network

Developed HIPAA-compliant healthcare collaboration platform enabling secure practitioner networking with encrypted chat, WebRTC video conferencing, and MFA authentication. Built research sharing infrastructure serving 10k+ healthcare professionals with zero security breaches.

Java PostgreSQL AWS S3 WebRTC
TailShire Pet Essentials

TailShire Pet Essentials

Built scalable multi-vendor e-commerce platform with advanced product variation engine and ElasticSearch-powered discovery. Supported 10k+ concurrent users during peak sales, reducing cart abandonment by 25% through optimized checkout workflows and strategic performance tuning.

Java MySQL ElasticSearch AWS S3 JSP
Cryptocurrency Exchange

Belfrics & Paritex Exchange

Engineered high-frequency cryptocurrency trading platform handling real-time order matching and settlement for Bitcoin, Ethereum, and digital assets. Implemented fault-tolerant architecture with Redis caching achieving sub-100ms trade execution latency under peak load.

Java MySQL Redis AWS Blockchain
Identity Management - IOTA

Identity Management - IOTA

Pioneered blockchain-based device identity validation system for IoT ecosystems. Leveraged distributed ledger technology (IOTA Tangle) to enable secure, decentralized machine-to-machine authentication across 50k+ connected devices with cryptographic verification.

Java RocksDB Google Guice IoT
MenkyMac Social Media

MenkyMac - Social Media App

Developed feature-rich social networking platform with real-time messaging, MFA-secured authentication, and personalized content feeds. Architected scalable backend supporting 50k+ active users with Redis-powered caching delivering 60% faster load times.

Java Redis AWS S3 Spring Boot
IP Messaging - WhatsApp Integration

IP Messaging (WhatsApp APIs)

Automated enterprise communication workflows through WhatsApp Business API integration. Built document-driven messaging system processing 200k+ monthly notifications with 98% delivery success rate, significantly improving customer engagement metrics.

Java Oracle Redis AWS WhatsApp API

Education & Certifications

MCA (Master of Computer Applications)

M.J.P. Rohilkhand University, Bareilly

Aug 2016 - Jul 2019

Completed Master's degree with focus on advanced programming, database management, and software engineering principles.

B.Sc. (Bachelor of Science)

M.J.P. Rohilkhand University, Bareilly

Jul 2010 - Dec 2013

Bachelor's degree in Science with strong foundation in mathematics, physics, and computer fundamentals.

AWS Certified Cloud Practitioner (CFL-C01)

Amazon Web Services

2023

Professional certification validating cloud knowledge and expertise in AWS services, architecture, and best practices.

12th & 10th (Science)

UP Board, Allahabad

Jul 2008 - Jun 2010

Completed secondary and higher secondary education with Science stream from UP Board.

Professional Competencies & Leadership Qualities

Strategic Communication

Executive-Level Technical Presentations Cross-Functional Stakeholder Alignment Architectural Documentation Requirements Translation

Solution Architecture

Systems Design Thinking Root Cause Analysis Performance Optimization Strategic Decision-Making

Leadership & Collaboration

Technical Mentorship Agile Team Leadership Cross-Cultural Collaboration Code Review Excellence

Innovation & Adaptability

Rapid Technology Adoption Continuous Learning Culture Process Innovation Emerging Tech Evaluation

Get In Touch

Let's Build Something Exceptional Together

I'm actively seeking opportunities to contribute to innovative projects where I can leverage my expertise in Java, cloud architecture, and enterprise application development. Whether you're looking to modernize legacy systems, build scalable microservices, or architect cloud-native solutions, I'd love to explore how we can collaborate.

Email

luckysharma824@gmail.com

Phone

+91-9997105792

Location

Malkhan Building, Vill-Ghitorni, Delhi - 110030, India

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Delhi, India