Mohd Adnan Usmani

Backend Software Engineer

Bijnor, Uttar Pradesh 3+ yrs exp 92 · Outstanding

About

Backend Software Engineer with 3+ years of experience building scalable distributed systems, AI-powered backend services, and production microservices using Java, Spring Boot, Golang, PostgreSQL, Redis, and GCP. Experienced in integrating LLM APIs (OpenAI GPT), AI evaluation workflows, prompt engineering, Deepgram Speech APIs, asynchronous processing, and event-driven architectures. Passionate about building reliable backend platforms that power intelligent user experiences through scalable APIs, automation, and AI-driven workflows.

Skills & Expertise (40)

Redis Advanced

8.0/10

Years Exp

Microservices Advanced

8.0/10

Years Exp

RESTful APIs Advanced

8.0/10

Years Exp

Spring Boot Advanced

8.0/10

Years Exp

Java Advanced

7.5/10

Years Exp

Postgresql Advanced

7.5/10

Years Exp

Event-Driven Architecture Advanced

7.5/10

Years Exp

SQL Advanced

7.0/10

Years Exp

Docker Intermediate

7.0/10

Years Exp

Kubernetes Intermediate

6.5/10

Years Exp

Golang Intermediate

6.0/10

Years Exp

Multithreading OOP Adapter Mockito Singleton Factory Design Patterns Resilience4j Circuit Breaker JUnit Concurrency Distributed Systems Query Optimization Maven GitHub Git API Gateway Sub Pub GCP LLM Integration Prompt Engineering Hibernate Spring Data JPA Spring MVC MySql Gorm Fiber SpringBoot

Work Experience

Software Developer (Backend)

CoEdify Technology LLP

Mar 2023 - Oct 2025

Architected the scalable core backend for Devsko, an AI-native hiring platform. Developed 100+ production REST APIs for recruiter, candidate, assessment, and reporting workflows. Built high-concurrency backend services using Spring Boot with asynchronous processing for real-time assessments. Integrated OpenAI GPT APIs to evaluate candidate responses, generate structured interview reports, produce contextual follow-up questions, and automate feedback generation using prompt engineering. Built asynchronous AI workflows using Redis Pub/Sub, Streams, and background workers for scalable report generation and AI task execution. Designed reliable backend services with authentication, authorization, role-based access control, and resilient integrations with external AI services. Reduced API response time by 60% using Redis caching, SQL optimization, indexing, and Circuit Breakers. Developed distributed Spring Boot microservices powering stock and cryptocurrency investment workflows serving lakhs of users. Built backend orchestration workflows combining interview context, candidate responses, and LLM prompts to generate reliable evaluations and context-aware follow-up questions. Designed event-driven communication using GCP Pub/Sub, API Gateway, and Redis for distributed microservices. Implemented portfolio, transaction, and account management services using Spring Boot microservices. Improved service resilience using Circuit Breakers, Redis caching, and asynchronous processing.

Freelance Backend Engineer

Independent Consultant (Canadian Client)

Apr 2022 - Jan 2023

Developed scalable REST APIs using Java, Spring Boot, PostgreSQL, and Redis for insurance services. Implemented Redis-based event-driven communication for notifications and asynchronous processing. Integrated JWT authentication, rate limiting, IP blacklisting, and third-party APIs. Optimized PostgreSQL queries and indexing to improve API performance and scalability.