Ashish Kumar
Senior Frontend Engineer
About
Senior Frontend Engineer with 11+ years of experience designing and delivering scalable, high-performance enterprise web and mobile applications with Angular (v2 to v21), TypeScript, RxJS and NgRx. Expert in frontend architecture, signals-based reactivity, zoneless change detection, offline-first Progressive Web Applications (PWA) and Core Web Vitals optimization. Integrates Generative AI (OpenAI and Claude APIs) into frontend products and uses agentic AI workflows (Claude Code, Model Context Protocol) to accelerate delivery. Proven technical leader who sets coding standards, leads code reviews and mentors engineering teams.
Skills & Expertise (41)
Work Experience
Senior Software Engineer (Lead Frontend Architect)
Wabtec India Industrial Pvt. Ltd.
Nov 2023 - Jun 2026
Led frontend architecture of RailDOCS, a cloud-based mobile platform for configuration management, testing, inspection, reporting and maintenance of track, signal, bridge and communications equipment, storing 6M+ test forms across 100,000+ locations and supporting railroad, state and federal regulatory compliance. Engineered offline-first capabilities using PWA architecture, service workers and PouchDB, ensuring reliable data capture in connectivity-constrained field environments. Improved scrolling performance by 70% on dashboards with 10,000+ records using Angular CDK virtual scrolling. Established frontend coding standards, modular architecture and pull-request review practices, cutting code review cycle time by 40%. Partnered with product and cross-functional stakeholders on UI/UX improvements, raising user satisfaction by 20%; led code reviews and knowledge sharing that improved team productivity by 15%.
Senior Product Engineer
KPISOFT Technologies Pvt. Ltd.
Feb 2022 - Aug 2023
Architected a cross-platform KPI management application with Angular and Ionic, delivering one codebase across web, iOS and Android. Reduced initial load time by 45% by implementing lazy-loaded modules across mobile and web platforms. Built reusable, platform-aware UI components (Scoreboard, Announcements, Employee modules) using Ionic platform detection for native-like iOS and Android experiences. Mentored 3-4 junior and mid-level developers on Angular architecture, Ionic lifecycle and Capacitor integration, reducing onboarding time by 50%.
Senior Software Engineer
Aricent Technologies Holdings
Aug 2019 - Feb 2022
Delivered React.js web and Ionic + Angular mobile applications for real-time vehicle tracking and fleet management. Built reusable React.js components for fleet dashboards, vehicle status cards and live maps, reducing UI development effort by 35%. Optimized high-frequency telemetry interfaces with React.memo, useMemo, useCallback, OnPush change detection and lazy loading, reducing re-renders by 55% and mobile load time by 45%.
Software Engineer
Clarion Technologies Pvt. Ltd.
Aug 2017 - Aug 2019
Developed frontend features in a 3-tier IoT architecture streaming real-time vehicle data from 500+ connected devices. Built technician scheduling with dynamic task assignment, priority queuing and real-time updates, reducing manual scheduling effort by 45%. Implemented geofence-based automated technician check-in and check-out, reducing time-entry errors by 60%.
Software Engineer
IndiSparrow Technologies Pvt. Ltd.
Mar 2015 - Aug 2017
Built a GPS-enabled mobile game with location check-ins, puzzles, image uploads and real-time leaderboards, with centralized services for scoring, progression and conditional challenge unlocking.
Education
Master of Computer Applications (MCA) - Acharya Institute of Management & Sciences
2012 - 2015 · Afghanistan
Bachelor of Computer Applications (BCA) - Sikkim Manipal University
2008 - 2011 · Afghanistan
Certifications
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Not Open to Relocation
Skills (41)
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