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Hi, I'm Subin, a Senior Software Engineer with over 13 years of experience developing high-performance enterprise applications, especially in Financial Services and Aviation. I love creating scalable, efficient solutions using Microsoft technologies and cloud platforms, and I'm passionate about mentoring teams and driving best practices. Currently based in Doha, I specialize in real-time trading systems and microservices architecture. Outside work, I enjoy learning new tech trends and collaborating with peers to build innovative software solutions that really make an impact.…Hi, I'm Subin, a Senior Software Engineer with over 13 years of experience developing high-performance enterprise applications, especially in Financial Services and Aviation. I love creating scalable, efficient solutions using Microsoft technologies and cloud platforms, and I'm passionate about mentoring teams and driving best practices. Currently based in Doha, I specialize in real-time trading systems and microservices architecture. Outside work, I enjoy learning new tech trends and collaborating with peers to build innovative software solutions that really make an impact.

Subin Sadanandan

Programmer, Developer, Cloud Developer, +2

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Hi, I'm Subin, a Senior Software Engineer with over 13 years of experience developing high-performance enterprise applications, especially in Financial Services and Aviation. I love creating scalable, efficient solutions using Microsoft technologies and cloud platforms, and I'm passionate about mentoring teams and driving best practices. Currently based in Doha, I specialize in real-time trading systems and microservices architecture. Outside work, I enjoy learning new tech trends and collaborating with peers to build innovative software solutions that really make an impact.…Hi, I'm Subin, a Senior Software Engineer with over 13 years of experience developing high-performance enterprise applications, especially in Financial Services and Aviation. I love creating scalable, efficient solutions using Microsoft technologies and cloud platforms, and I'm passionate about mentoring teams and driving best practices. Currently based in Doha, I specialize in real-time trading systems and microservices architecture. Outside work, I enjoy learning new tech trends and collaborating with peers to build innovative software solutions that really make an impact.

Available to hire

Hi, I’m Subin, a Senior Software Engineer with over 13 years of experience developing high-performance enterprise applications, especially in Financial Services and Aviation. I love creating scalable, efficient solutions using Microsoft technologies and cloud platforms, and I’m passionate about mentoring teams and driving best practices.

Currently based in Doha, I specialize in real-time trading systems and microservices architecture. Outside work, I enjoy learning new tech trends and collaborating with peers to build innovative software solutions that really make an impact.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Work Experience

Senior Software Engineer at The Group Securities

January 1, 2022 - Present

Architected and developed a high-frequency stock trading application serving 500+ concurrent users, reducing order execution latency by 40% through optimized ActiveMQ messaging integration. Implemented real-time communication system using SignalR in .NET 8, enabling instant market data updates and reducing data refresh delays from 5 seconds to real-time streaming. Led modernization initiative migrating legacy web applications to Next.js/React, improving page load speeds by 60% and enhancing user experience for 200+ daily traders. Integrated Auth.js library for OAuth/OpenID authentication for secure, compliant access. Utilized TypeScript, Zustand, and Tailwind CSS for responsive and type-safe trading interfaces. Created Github Actions workflows for AWS deployment and implemented Stripe API for secure payment processing.

Software Engineer at Qatar Airways

December 31, 2022 - July 28, 2025

Designed and developed over 15 RESTful APIs and 5 GRPC services using ASP.NET Core servicing 10,000+ daily requests. Built responsive React.js web applications with Redux to improve engagement by 35%. Optimized Oracle PL/SQL queries to reduce report generation times significantly. Implemented CI/CD pipelines with GitHub Actions and Kubernetes reducing deployment times by 70% and achieving 99.9% uptime. Architected microservices communication using Azure Service Bus enhancing reliability and scalability. Mentored junior developers and established code reviews, improving code quality and reducing bugs. Led codebase migration from TFS to Azure DevOps streamlining workflows. Achieved 85% unit test coverage with xUnit.net reducing post-deployment issues.

Associate Practice Consultant at Dell EMC Corporation

December 31, 2015 - July 28, 2025

Integrated Microsoft Ready-to-Go platform with INXPO's Webcast Platform to automate webinar creation for 500+ Microsoft events annually. Developed 10+ SharePoint 2010 web applications and custom web parts improving document management efficiency. Built hybrid applications integrating Angular 2 with SharePoint services and implemented OAuth-2 based authorization ensuring enterprise security compliance.