Software Development Engineer

Sumeet Kumar Singh

Backend Systems · Microservices · AI-Augmented Dev

3 years building scalable backend systems with Java & Spring Boot. Passionate about AI-driven engineering workflows and high-performance distributed systems. IIT Varanasi (BHU) graduate.

3 yrs
Experience
35%
Faster Processing
1945
CodeChef Rating
3+
Regional Markets

Experience

Publicis Sapient
Associate Software Development Engineer II
Dec 2025 – Present
  • Built AI-assisted SDLC workflows using Slingshot for automated story generation, code scaffolding, and test creation — reducing repetitive development effort by ~30%.
  • Integrated GitHub Copilot, Claude.ai, and ChatGPT into daily engineering workflows; completed formal enterprise Prompt Engineering training.
  • Completed full-stack enterprise training covering Java, Spring Boot, Spring Cloud, React, MySQL, and Docker in an Agile team environment.
Boxfile
Software Development Engineer
Jun 2023 – Dec 2025
  • High-Volume API Performance: Optimized REST endpoints via server-side pagination, query tuning, and efficient data loading — improving response latency by ~30% under peak traffic.
  • Event-Driven Processing: Built async workflows using RabbitMQ for email dispatch, background jobs, and inter-service events — reducing processing bottlenecks by ~35%.
  • Workflow Automation: Developed cron-based scheduling with Spring Scheduler for task reminders, contributing to a ~20% reduction in overdue user actions.
  • Globalization Enablement: Led i18n/L10n via centralized Config Server/Client architecture, enabling deployment across 3+ regional markets with dynamic locale support.
  • AI-Augmented Engineering: Used Claude.ai and GitHub Copilot for code scaffolding, JUnit 5 & Mockito test generation, and documentation to accelerate sprint delivery.

Technical Skills

Languages
JavaTypeScriptSQLHTML5
Frameworks
Spring BootSpring CloudAngularJUnit 5Mockito
Microservices
RabbitMQREST APIsEurekaAPI Gateway
AI & Productivity
Claude.aiCopilotChatGPTPrompt Eng.Slingshot AI
Databases
MySQLMySQL Workbench
DevOps & Tools
DockerGitMavenPostmanIntelliJ

Projects

Hotel Rating System

Distributed hotel rating platform with three independent microservices — User, Hotel, and Rating. Integrated Eureka Server for service discovery and an API Gateway for centralized routing and auth enforcement. Implemented Resilience4j Circuit Breaker, Retry, and Rate Limiter patterns with RestTemplate and client-side load balancing.

Java Spring Boot Spring Cloud Eureka Resilience4j REST
AI-Assisted Dev Workflow Toolkit

Structured prompt library for AI-assisted backend development — covering code generation, refactoring, unit test scaffolding, and API documentation. Achieved 40%+ reduction in boilerplate coding time with enterprise-grade LLM integration best practices for Java development.

Prompt Engineering Claude.ai GitHub Copilot Spring Boot JUnit 5

Ratings

CodeChef
1945
4★ Rated
Codeforces
1665
Expert

Academic Background

B.Tech — Chemical Engineering
Indian Institute of Technology (IIT), Varanasi (BHU)
2019 – 2023
GPA 8.00 / 10.0

Get in Touch

Open to backend engineering roles, microservices architecture, and AI-augmented development opportunities.