2-paragraph first-person bio, friendly tone

Roshan Kumar Jha

2-paragraph first-person bio, friendly tone

Available to hire

2-paragraph first-person bio, friendly tone

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Advanced
Hindi
Advanced

Work Experience

Senior Product Engineer at Enviso Singapore
October 1, 2024 - November 1, 2025
Built and shipped scalable merchant risk monitoring dashboard v2.0 (UI and BE) serving 50,000+ high-risk portfolios across multiple PSPs, designing the full-stack architecture to support real-time analytics, and helping analysts identify potential risks with a merchant.
Staff Engineer at Nagarro
April 1, 2024 - October 1, 2024
Contributed to UI feature development for the Subscriptions module of a large-scale e-commerce platform serving 100M+ users. Owned performance optimizations that improved the Subscriptions module pages’ Lighthouse scores to 90–100 by analyzing and enhancing core web vitals.
Software Developer at Leena AI
October 1, 2021 - April 1, 2024
Architected Web Views v2.0 repository using React.js with a config-driven UI architecture, eliminating custom development requirements and reducing integration time by 70% to serve 10M+ users across enterprise clients. Implemented REST APIs on Node.js/Express.js with MongoDB to integrate with third-party apps (Oracle, SuccessFactors), enabling seamless data exchange between external systems and the frontend. Collaborated with UI/UX to contribute a component library, unified design language to improve developer experience and accelerate velocity. Contributed to Dashboard onboarding/offboarding module and applied modern design patterns to improve maintainability.
Senior Systems Engineer at Infosys Ltd.
September 1, 2018 - October 1, 2021
Developed and integrated a custom PL/SQL solution to replace existing job schedulers, improving job processing performance by 20%. Implemented data validation logic to detect and notify anomalies from third-party systems processing 100K+ records daily, ensuring system stability and preventing data corruption. Analyzed execution plans and implemented strategic index creation on Oracle tables, improving query performance up to 90% and overall application responsiveness.
Senior Product Engineer at Envisso Singapore
October 1, 2024 - November 1, 2025
Built and shipped scalable merchant risk monitoring dashboard v2.0 (UI and BE) serving 50,000+ high-risk portfolios across multiple PSPs; designed full-stack architecture to support real-time analytics; aided analysts in identifying potential merchant risks with enhanced monitoring. Improved web app performance using debouncing, virtualization, lazy loading, and caching; optimized legacy data queries handling millions of transaction records. Implemented AI/LLM–integrated development workflow, boosting team development velocity by 50% and reducing application bugs by 90%.
Staff Engineer at Nagarro, Gurugram, India
April 1, 2024 - October 1, 2024
Contributed to UI feature development for the subscription module of a large-scale ecommerce platform serving 100M+ users. Owned performance optimizations that improved the subscription module’s Lighthouse scores to 90–100 and enhanced core web vitals.
Software Developer at Leena AI, Gurugram, India
October 1, 2021 - April 1, 2024
Architected Web Views v2.0 repository using React.js with a config-driven UI architecture, eliminating custom development requirements and reducing integration time by 70% to serve 10M+ users across enterprise clients. Implemented optimization techniques (code splitting, lazy loading, virtualization, debouncing, memoization). Built REST APIs on Node.js/Express.js with MongoDB backend, enabling seamless data exchange with third-party apps; collaborated with UI/UX to develop a component library; improved maintainability and accelerated development velocity.
Senior Systems Engineer at Infosys Ltd., Bengaluru, India
September 1, 2018 - October 1, 2021
Developed and integrated a custom PL/SQL solution to replace existing job schedulers, improving job processing performance by 20%. Implemented data validation logic to detect and prevent anomalies from third-party systems processing 100K+ records daily, ensuring system stability. Analyzed execution plans and created strategic indexes on Oracle tables; improved query performance up to 90%, dramatically improving application responsiveness.

Education

B.Tech in Electronics & Communication Engineering at MAIT, New Delhi
August 1, 2014 - June 1, 2018
Senior Secondary Certificate at Senior Secondary School, New Delhi
January 11, 2030 - May 1, 2014
B.Tech in Electronics & Communications Engineering at MAIT, New Delhi
August 1, 2014 - June 1, 2018
12th Grade - Higher Secondary CBSE at IP Convent Sr. Sec. School, New Delhi
January 11, 2030 - May 1, 2014

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Financial Services, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
See more