Balkishan Sembulingam — Resume

BALKISHAN SEMBULINGAM

Frontend Engineer

Chennai, India

Career Objective

To apply 8+ years of frontend engineering experience toward building scalable, high-impact web products. I aim to drive technical excellence through design systems, microfrontend architecture, and strong engineering practices — while growing as someone who raises the bar for teams around me. I thrive where ownership, craft, and collaboration matter, and I am committed to shipping software that is not only functional, but delightful to use.

Experience

Apollo.ioChennai, TN, India · 1y 4mo
Frontend EngineerFull-Time · Apr 2025 Present
  • Built CRM integration features powering bi-directional sync between Apollo and Salesforce, HubSpot, and 50+ platforms — primarily frontend, with supporting backend work on sync and onboarding flows.
  • Improved frontend delivery quality: raised test coverage from 39% to 76% in a sprint with AI-assisted tooling, cut bundle size by 3 MB via a shared typography system and CSS migration, and standardised reusable UI for integration surfaces.
  • Drove frontend observability through Datadog and tightened user-feedback loops via Zendesk, Intercom, and Enterpret integrations.
  • Won Apollo's internal Cloudathon by building a Claude Skill that analyses Zendesk KB articles against codebases and PRDs and outputs confidence-ranked gap reports with exact article updates.
  • Recently on growth: own Amplitude A/B experiments end-to-end (bucketing, targeting, exposure, staging→prod) for customer-lifecycle and team-expansion surfaces — including Chrome Extension releases — with rollouts and rollbacks driven by Amplitude metrics; also Customer.io lifecycle email triggers.
FreshworksChennai, TN, India · 4y 11mo
Lead Software EngineerFull-Time · Oct 2023 Mar 2025 · 1y 5mo
  • Led a team of 6 engineers to design and ship a scalable microfrontend architecture and shared web component library used across multiple Freshworks products.
  • Established frontend standards, code review practices, and component governance that reduced duplication and improved cross-team delivery speed.
  • Drove technical decision-making on framework selection, state management, and design system adoption in close collaboration with product and design.
Senior Software EngineerFull-Time · Apr 2020 Oct 2023 · 3y 5mo
  • Owned end-to-end frontend development for Freshping (uptime monitoring) and Freshstatus (status pages), both serving thousands of teams globally.
  • Led the frontend launch of Freshsurvey, a new product in the Freshworks suite, from architecture through release.
  • Partnered with design and QA teams to maintain performance, accessibility, and visual quality at scale.

Experience (cont.)

Mr. CooperChennai, TN, India · 2y 6mo
Software Engineer IFull-Time · Apr 2019 Apr 2020 · 11mo
  • Engineered the FLASH loan modification platform alongside a distributed team of 8 developers and 6 onsite engineers, using React, GraphQL, and Spring Boot microservices.
  • Championed Test Driven Development (TDD) across the team, achieving one of the highest automated test coverage ratios in the organisation.
  • Implemented Redis-based caching for high-frequency lookup values and integrated Cucumber and Jest into the CI pipeline for reliable regression coverage.
Software Engineer TraineeApprenticeship · Jun 2018 Apr 2019 · 10mo
  • Built Letterbox, an internal complaint management system that routed customer issues from intake agents to the appropriate resolution teams across mortgage servicing workflows.
  • Delivered full-stack features spanning a React frontend, Node.js/Express APIs, Spring Boot microservices, and IBM BPM Cloud orchestration.
Graduate InternInternship · Sep 2017 Jun 2018 · 8mo
  • Joined Mr. Cooper during final year of engineering, selected from 2,000+ candidates through a two-day interview process.
  • Contributed to internal tooling for mortgage servicing and origination workflows, gaining hands-on experience in React, Java, Spring Boot, and enterprise-grade CI/CD pipelines.
  • Ramped rapidly in an enterprise environment, bridging college and industry through structured mentorship and real production exposure.

Key Projects

Apollo.io

Apollo.io is an AI-powered go-to-market sales platform used by 500,000+ companies worldwide, combining a B2B contact database with sales engagement and team expansion tools.

Freshsurvey

Freshsurvey is a no-code survey tool for collecting customer and employee feedback via one-time or recurring scheduled surveys.

Freshstatus

Freshstatus is a hosted status page and incident communication tool that lets teams publish a branded public status page and communicate real-time incident updates to customers.

Freshping

Freshping is a free website uptime monitoring tool that checks HTTP/HTTPS, TCP, DNS, and other endpoints from up to 10 global locations at one-minute intervals.

Flash

FLASH is Mr. Cooper's proprietary mortgage fulfillment platform, built to automate and parallelize the loan origination workflow.

Letterbox

Letterbox was an internal complaint management system built for intake agents at Mr. Cooper, routing customer complaints to the appropriate internal teams.

Education

BEBachelor of Engineering, Computer Science

Sri Krishna College of Technology

20142018 · 89.00 %

GNIITComputer Science

NIIT

20152017 · Grade B

HSCMatric

K. Kamarajar Matriculation Hr Sec School

20122014 · 94.08 %

SSLCMatric

Jaycees Matriculation Hr Sec School

20022012 · 96.00 %

Languages

English · Tamil · Hindi

Generated on 5th August 2026 08:10 pm IST