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Hi, I’m Ayush Raj, a Lead Software Engineer based in Delhi, with over five years of experience across full-stack development, QA, and AI-driven solutions. I currently design and maintain microservices at HCL Tech, uphold code quality, and drive scalable, reliable systems that meet business goals. I’m passionate about building high-performance applications, optimizing cloud-native architectures, and delivering value through collaboration. My expertise spans Java, Spring Boot, Python, and AI pipelines, including payment systems integration and real-time data processing. I’m committed to continuous learning and mentoring teams to achieve excellence.…Hi, I’m Ayush Raj, a Lead Software Engineer based in Delhi, with over five years of experience across full-stack development, QA, and AI-driven solutions. I currently design and maintain microservices at HCL Tech, uphold code quality, and drive scalable, reliable systems that meet business goals. I’m passionate about building high-performance applications, optimizing cloud-native architectures, and delivering value through collaboration. My expertise spans Java, Spring Boot, Python, and AI pipelines, including payment systems integration and real-time data processing. I’m committed to continuous learning and mentoring teams to achieve excellence.

Ayush Raj

Full Stack Developer, Back-End Developer, Front-End Developer, +4

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Hi, I’m Ayush Raj, a Lead Software Engineer based in Delhi, with over five years of experience across full-stack development, QA, and AI-driven solutions. I currently design and maintain microservices at HCL Tech, uphold code quality, and drive scalable, reliable systems that meet business goals. I’m passionate about building high-performance applications, optimizing cloud-native architectures, and delivering value through collaboration. My expertise spans Java, Spring Boot, Python, and AI pipelines, including payment systems integration and real-time data processing. I’m committed to continuous learning and mentoring teams to achieve excellence.…Hi, I’m Ayush Raj, a Lead Software Engineer based in Delhi, with over five years of experience across full-stack development, QA, and AI-driven solutions. I currently design and maintain microservices at HCL Tech, uphold code quality, and drive scalable, reliable systems that meet business goals. I’m passionate about building high-performance applications, optimizing cloud-native architectures, and delivering value through collaboration. My expertise spans Java, Spring Boot, Python, and AI pipelines, including payment systems integration and real-time data processing. I’m committed to continuous learning and mentoring teams to achieve excellence.

Available to hire

Hi, I’m Ayush Raj, a Lead Software Engineer based in Delhi, with over five years of experience across full-stack development, QA, and AI-driven solutions. I currently design and maintain microservices at HCL Tech, uphold code quality, and drive scalable, reliable systems that meet business goals.

I’m passionate about building high-performance applications, optimizing cloud-native architectures, and delivering value through collaboration. My expertise spans Java, Spring Boot, Python, and AI pipelines, including payment systems integration and real-time data processing. I’m committed to continuous learning and mentoring teams to achieve excellence.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Hindi

Advanced

Work Experience

Senior Software Engineer at HCL Tech

January 1, 2024 - Present

Leading QA and development initiatives, architecting and maintaining microservices in Java 11, and enforcing SonarQube standards for modularity and maintainability. Driving cross-functional collaboration to enhance service reliability and streamline deployment pipelines. Highlights include a 30% reduction in critical bugs and a modular architecture redesign that boosted developer efficiency by 25%.

Software Engineer – Payment Systems at HCL Tech (Client: Volante, Payment Domain)

December 1, 2023 - September 20, 2025

Architected and delivered payment functionalities for GS Bank using Volante, diagnosed and rectified framework deficiencies to boost performance, and optimized workflow configurations and database queries to accelerate transactions. Independently designed the Japanese rail payment integration with robust return/reject logic, achieving 40% lower latency and higher throughput.

Software Engineer – Artificial Intelligence Division at HCL Tech NOESIS (ERS – Artificial Intelligence)

June 1, 2021 - September 20, 2025

Pioneered development and validation of audio-based AI models (e.g., cough detection) using SoX, ffmpeg, and OpenCV. Automated large-scale data preprocessing via batch scripts and pipelines, improving dataset quality and model accuracy by 15%. Supported pilot deployment and gathered feedback for iterative improvements.

Trainee – Full Stack Development at Shiv Nadar University – Techbees Program

November 1, 2020 - September 20, 2025

Completed hands-on training in Java 8, Spring Boot, Hibernate, Node.js, Angular, React, and MongoDB; built a WebRTC-based video conferencing platform for 256 users; developed Android applications using Flutter with scalable Firebase backends.