Backend Software Engineer

Hi, I'm Gouse Shaikh

I build scalable backend systems and share engineering knowledge.

4+ years of experience designing and building distributed systems using Java, Spring Boot, Microservices, Kafka, and AWS, with a growing focus on developer tools and applied AI.

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OrderEventListener.java

@KafkaListener("orders")
void onEvent(Event e) {
  if (seen(e)) return;
  process(e);
}

Currently building: scalable systems & developer tools

4+ yrs

Backend engineering

15+

Enterprise clients served

5K+

Concurrent users supported

99.9%

Platform uptime

Featured work

Things I've built

A selection of projects that solve real problems end to end.

All projects

In ProgressFull Stack

BookBazaarHub

An online marketplace for new and pre-loved books. Readers can browse and buy at fair prices, and anyone can list the books on their shelf for sale in a couple of minutes.

Full StackE-commerceSearchCart & Checkout

View projectSource

Experience

Where I've worked

Backend roles building financial and trading platforms at scale.

Full resume

Apr 2025 – Present

Software Engineer

Orosoft Solutions · Mumbai, India

Architected multi-tenant Spring Boot microservices for enterprise financial platforms, serving 50K+ active users across 15+ enterprise clients.
Refactored 10+ legacy SQL stored procedures into domain-driven Java services, reducing report generation time by 80% (from roughly 25s to 3s per run).
Engineered Kafka-driven event-processing pipelines integrated with Redis caching and gRPC communication, increasing throughput by 3x while reducing average response time from 450ms to 120ms.

Jun 2022 – Mar 2025

Associate Software Engineer

Orosoft Solutions · Mumbai, India

Built backend services using Java, Spring Boot, Hibernate, REST APIs, WebSockets, and FIX Protocol integrations to process more than 100K trading transactions daily.
Optimized multithreaded QuickFIX/J services, reducing order-processing latency from 39ms to under 1ms, a 97% improvement.
Implemented JWT-secured REST APIs supporting trading operations and third-party integrations for 5K+ concurrent users.

Throughput increase

97%

Latency reduction

65%

Faster deployments

35+

Incidents resolved

Technologies I work with

JavaSpring BootKafkaMicroservicesRedisAWSDockerKubernetesSystem Design

My tech arsenal

Technologies I use

The stack I reach for when building real systems, grouped the way I actually think about it.

Languages

Java 17PythonSQL

Frameworks & Libraries

Spring BootSpring SecuritySpring Data JPAHibernateREST APIsgRPCWebSocketsJWT

Databases & Caching

PostgreSQLMySQLSQL ServerRedisDynamoDB

Distributed Systems

MicroservicesApache KafkaEvent-Driven Architecture

Cloud & DevOps

AWS (EC2, S3, Lambda)DockerKubernetesHelmJenkinsAzure DevOpsCI/CD

Tools

GitSwagger / OpenAPIJIRA

Tools

Tools I build

Small, useful software designed to solve specific problems.

Explore all tools

Live

Log Timeline Visualizer

Paste raw application logs and get an organized, chronological timeline, with flows grouped, errors flagged and slow gaps highlighted.

Astro · TypeScriptOpen tool

Live

JD Decoder

A privacy-first job description analyzer that pulls out requirements, skills, salary and red flags, entirely in your browser.

Astro · TypeScriptOpen tool

Live

Ext Decoder

Type any filename or extension and instantly learn what the file is, what opens it, and whether to be careful.

Astro · TypeScriptOpen tool

Live

CodeKami

A VS Code extension that turns your coding into an anime-inspired RPG. Earn XP, level up, keep a streak and share a Developer Card.

TypeScript · VS Code Extension APIView extension

Credentials

Certifications & awards

Java Programming Certification

Udemy

AI with GitHub Copilot Certification

Udemy

Quarterly Performer Award

Outstanding Performance, Orosoft Solutions

Currently focused on

What's on my mind lately

More about me

AI-assisted developer tooling

Event-driven & distributed systems

Backend performance optimization

Privacy-first dev tools & VS Code extensions

Have an idea worth building?

I'm always interested in hard backend problems and useful tools worth building. Reach out or take a look at what I've already shipped.

Get in touch Explore my work