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Hi, I’m Harsh Dalmia, a Backend Java Developer with over four years of experience delivering high-performance web applications and microservices. I specialize in Java, Spring Boot, and AWS, building scalable, reliable systems and solving complex problems with clean, maintainable code. I’m proficient in system design, API development, and performance optimization, and I thrive in collaborative teams. I’m committed to continuous learning, applying SOLID principles and design patterns, and delivering value through robust software solutions.…Hi, I’m Harsh Dalmia, a Backend Java Developer with over four years of experience delivering high-performance web applications and microservices. I specialize in Java, Spring Boot, and AWS, building scalable, reliable systems and solving complex problems with clean, maintainable code. I’m proficient in system design, API development, and performance optimization, and I thrive in collaborative teams. I’m committed to continuous learning, applying SOLID principles and design patterns, and delivering value through robust software solutions.

Harsh Dalmia

Back-End Developer, Full Stack Developer, Web Developer, +3

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Hi, I’m Harsh Dalmia, a Backend Java Developer with over four years of experience delivering high-performance web applications and microservices. I specialize in Java, Spring Boot, and AWS, building scalable, reliable systems and solving complex problems with clean, maintainable code. I’m proficient in system design, API development, and performance optimization, and I thrive in collaborative teams. I’m committed to continuous learning, applying SOLID principles and design patterns, and delivering value through robust software solutions.…Hi, I’m Harsh Dalmia, a Backend Java Developer with over four years of experience delivering high-performance web applications and microservices. I specialize in Java, Spring Boot, and AWS, building scalable, reliable systems and solving complex problems with clean, maintainable code. I’m proficient in system design, API development, and performance optimization, and I thrive in collaborative teams. I’m committed to continuous learning, applying SOLID principles and design patterns, and delivering value through robust software solutions.

Available to hire

Hi, I’m Harsh Dalmia, a Backend Java Developer with over four years of experience delivering high-performance web applications and microservices. I specialize in Java, Spring Boot, and AWS, building scalable, reliable systems and solving complex problems with clean, maintainable code.

I’m proficient in system design, API development, and performance optimization, and I thrive in collaborative teams. I’m committed to continuous learning, applying SOLID principles and design patterns, and delivering value through robust software solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Javanese

Advanced

English

Fluent

Work Experience

Senior Software Engineer, Level 7 at Mastercard India Services Pvt. Ltd.

October 1, 2025 - November 23, 2025

Currently undergoing Mastercard onboarding and engineering training; involved in onboarding activities, learning Mastercard engineering standards, and contributing to initial project work.

Backend Java Developer at Wealthdoor Tech Pvt. Ltd.

October 1, 2025 - October 1, 2025

Developed and deployed over 10 high-performance notification logics, including a dedicated push notification service using Firebase; engineered scalable microservices with Java 17 and Spring Boot 3+, created generic request/response patterns and REST APIs to streamline DB operations, authored batch jobs reducing execution time by 15%, and integrated TLV protocol for structured data processing.

Associate Software Developer at Great West Global Business Services India Pvt Ltd (Inhouse Client - Putnam Investments)

February 1, 2024 - February 1, 2024

Optimized RAP2 applications using RESTful APIs, enhanced ESG batch processing by 30% with multi-threading, revamped Python-based AWS Serverless Lambda functions reducing processing time by ~85%, automated historical data backfills and process re-runs, and performed performance tuning and root-cause analysis.

Senior Software Engineer, Level 7 at Mastercard India Services Pvt. Ltd.

October 1, 2025 - November 24, 2025

Onboarding and engineering training in progress at Mastercard.