Available for opportunities

Hello, I'm

Girish Oemrawsingh

Software Engineer

I build reliable & scalable backend systems

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Featured Projects

Satellite Studio

Real-time satellite imagery processing platform with advanced geospatial analysis

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10+

Projects

Technologies

Years Exp

At a Glance

⚡

Years Experience

🏦

Banking, Insurance, Pension

Domains

⚙️

Java, Kafka, PostgreSQL

Primary Stack

🌍

Open to Relocation & Remote

Status

From Curiosity to Craft

Growing up, I was fascinated by physics and mathematics - the elegant rules that govern how things work. That curiosity led me to software engineering, where I discovered the joy of building systems that solve real problems.

Today, I specialize in backend and platform development, creating the infrastructure that powers critical business operations. From real-time data pipelines to secure authentication systems, I focus on reliability, performance, and security.

Every line of code I write is driven by a simple question: Will this work when it matters most?

Technical Expertise

Backend & Platforms

Building reliable, scalable server-side systems

JavaSpring BootQuarkusGoPythonNode.jsREST APIsGraphQL

Data & Databases

Designing and optimizing data storage solutions

PostgreSQLOracle SQLMySQLMicrosoft SQL ServerCassandraNeo4jFlywayDatabase Design

DevOps & Infrastructure

Deploying and maintaining production systems

DockerKubernetesGitLab CI/CDCircleCINginxApache HTTP ServerVPS Deployment

Security & Identity

Implementing secure authentication and authorization

KeycloakOry KratosOAuth 2.0JWTMFASecurity AnalysisVulnerability Assessment

Frontend & UX

Creating responsive, user-friendly interfaces

ReactNext.jsAngularTypeScriptJavaScriptHTML5CSS3Tailwind CSS

Software Design

Architecting maintainable, scalable systems

OOPSOLID PrinciplesDRY PrinciplesSystem DesignMicroservicesEvent-Driven Architecture

Certifications

Focused training across microservices, mobile development, and SQL that complements my production engineering work.

Udemy

Microservices with Node JS, React, Docker and Kubernetes

4 June 2025

•Architected large-scale applications using independent microservices.
•Deployed multi-service applications to the cloud with Docker and Kubernetes.
•Built and optimized a server-side rendered React app consuming data from multiple services.
•Implemented event-driven communication between services using a high-performance event bus.
•Addressed concurrency and reliability challenges in distributed systems.
•Shared reusable code across multiple services via custom NPM packages.
•Wrote automated tests to validate functionality and production-level quality.
•Studied how enterprise companies design and scale infrastructure.

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Udemy

Flutter & Dart - The Complete Guide

5 May 2025

•Built cross-platform mobile apps for Android and iOS using Flutter and Dart.
•Integrated Google Maps, device camera access, authentication flows, and image uploads.
•Implemented manual and automated push notifications for real-time engagement.
•Progressed from fundamentals to advanced concepts for scalable, production-ready mobile apps.

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Oracle

Oracle Certified Associate - Oracle Database SQL

27 December 2022

•Demonstrated strong understanding of foundational SQL concepts for database design and management.
•Wrote and optimized SQL queries, including insert, update, and delete operations.
•Applied DDL, DML, and DCL concepts in Oracle Database workflows.
•Worked with indexes, tables, normalization, and query optimization.
•Validated skills for contributing to enterprise-grade database projects.

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Featured Projects

Personal projects that explore algorithms, systems, and security

2022

Satellite Studio

Desktop app for real-time satellite tracking with 3D visualization using Cesium and automatic TLE updates.

ElectronReactCesiumGoPostgreSQL

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2023

PageRank Algorithm

Implementation of Google's PageRank algorithm using Java and Neo4j for ranking web pages based on link structure.

JavaNeo4j

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2023

Shunting Yard Algorithm

Implementation of Dijkstra's algorithm to convert infix expressions to postfix with support for variables, functions, and graph plotting.

Java

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Latest Writing

Technical insights and lessons learned

2019-12-13•8 min

Tele0ops - Telesur Resource Starvation Vulnerability

A deep dive into a resource starvation vulnerability discovered on Telesur's website, demonstrating how malformed input caused excessive memory usage leading to denial of service.

SecurityVulnerability ResearchWeb SecurityPython

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Let's Build Something Reliable

I'm open to backend/full stack/platform engineering roles where I can build systems that matter. Remote opportunities and relocation are both welcome.

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