PORTFOLIO / 2026

Kunal
@kunatastic

Senior Software Engineer with 4+ years building consumer products and the distributed systems behind them. Currently leading the engineering team at TagMango building BackstagePass, a live platform for creators and their fans.

Bangalore
CURRENTLY
Senior Software Engineer
@TagMango · BackstagePass
March 2026 — Present · Remote
FOCUS
ReactNext.jsNode.jsTypeScriptPythonPostgreSQLAWSTerraformDockerKafkaNestJSReact NativeRedis / BullMQWebSocketsAI AgentsRAG / pgvectorLangfuse

Selected Work

2022 — Present

Senior Software Engineer

TagMango · BackstagePass·Remote
Mar 2026 — Present
  • Technical Leadership: Led the team building BackstagePass end-to-end, guiding architecture decisions and delivery planning from product requirements through production. Own release reliability and production health for a live platform connecting creators with their fans.
  • Communication at Scale: Re-architected the notification pipeline from 10 to 3,500+ communications per second, delivering 1M+ personalized emails and push notifications in under five minutes.
  • AI Engineering: Built an internal autonomous coding agent that takes context from product specs and designers to implement features across the codebase.
TypeScriptNode.jsReactAI Agents

Product Engineer

Metaforms·Bangalore, IN
Aug 2025 — Feb 2026
  • Infrastructure Modernization: Migrated manual infrastructure to a multi-region AWS architecture using Terraform. Established automated CI/CD pipelines, eliminating manual deployment risks and improving system uptime.
  • AI Automation: Designed and built an automated survey generation tool for Qualtrics. By using AI agents to handle programming logic, reduced client project setup time from 16 hours to 4 hours (4x efficiency gain).
  • Technical Leadership: Led the engineering roadmap for the Research Manager platform, collaborating with product teams to streamline questionnaire workflows for enterprise users.
ReactPythonTypeScriptAWSTerraformCI/CDAI

Product Engineer

Kuddle·Bangalore, IN
May 2023 — Aug 2025
  • Web Performance: Architected the Kuddle web platform using Next.js with Hybrid Rendering (SSR + SSG). Reduced LCP by 1.2s and optimized Core Web Vitals, contributing to a 17% uplift in organic conversions.
  • Mobile Engineering: Developed the Kuddle Partner App with a focus on battery efficiency. Implemented Geofencing and Activity Recognition to enable reliable background location tracking without draining user devices.
  • Event-Driven Architecture: Built a notification sync engine using Kafka to handle 300K+ daily events. Implemented intelligent batching to handle traffic bursts and ensure reliable delivery during peak loads.
  • Revenue Impact: Developed a gamified Scratch Card engine integrated with payment flows, increasing GMV by 1.7% through improved user retention loops.
Next.jsFlutterKotlinPostgreSQLAWSKafka

Product Engineer Intern

Kuddle·Bangalore, IN
Aug 2022 — May 2023
  • Built a Server-Driven UI (SDUI) system allowing non-technical teams to ship UI updates via JSON configurations, removing engineering bottlenecks for marketing campaigns.
  • Re-architected the internal Control Tower dashboard using real-time data listeners, reducing operational data latency from 30 minutes to near-instant.
  • Collaborated with product teams to build the Kuddle Adoption platform, which increased average session time by 14% and drove organic traffic growth.
FlutterKotlinDartPostgreSQLNext.js

Open Source Contributor

Open Healthcare Network·Remote
Jan 2022 — Aug 2022
  • Improved UI accessibility for a platform used by 300+ healthcare workers, reducing form submission errors by 22% and smoothing field workflows.
  • Built an automated cleanup service for stale tasks, improving QA efficiency and reducing manual triage time for the dev team.
  • Implemented an OCR-based pipeline to extract physiological data from ICU monitor feeds, enabling automated remote monitoring across 50+ ICU rooms.
ReactJavaScriptPython

Selected Projects

MinuteTrail

A Chrome extension that tracks focused browsing time, daily totals, and recent sessions. Data stays in your browser, with no account required.

JavaScriptChrome ExtensionLocal Storage
View MinuteTrail on GitHub ↗

Remibo

A Discord reminder bot that connects to Google Calendar through OAuth, bringing calendar reminders into your community's conversations.

TypeScriptNode.jsDiscord.jsGoogle Calendar
View Remibo on GitHub ↗

Open Source

Open Healthcare Network · Merged contributions

Healthcare interfaces & OCR

Improved keyboard interactions and mobile interfaces in Care, and contributed image preprocessing to the ICU monitor OCR pipeline.

YouTube Music Desktop · Submitted contribution

macOS tray mini-player

Built a menu-bar player with playback controls, seeking, and volume adjustment. Submitted as an upstream pull request.

Education

B.Tech in Computer Science and Engineering

Vellore Institute of Technology·Chennai, IN
2019 — 2023·CGPA: 9.22 / 10

Team first prize at InvestIEEEgate 2021 for sentiment analysis using AWS and AI/ML.

Let's Connect

Always interested in new opportunities, collaborations, and conversations about technology and design.

© 2026 Kunal Kumar Jha