Guru Sidharth

Hi! I'm Sid👋🏽

6
+years

in Engineering Leadership role

11
+years

in building Web & Mobile apps

8
+years

in building & scaling Backends

Building the teams and systems behind products that millions of people use every single day.

01Leadership
Buildinghigh-performanceteamsthatshipextraordinaryproducts.Creatingtheculturewherepeopledotheirbestworkandstay.

1M+

DAU

Daily Active Users

UKG Pro app serving 1M+ DAU on iOS & Android, top 15 business chart.

80%

Reduction

Incident Reduction

Major customer impact events slashed through resilient engineering.

$4M+

Savings

Annual Cost Savings

Engineering-led cost reduction through targeted process improvements.

5+

New products

Greenfield Projects

Launched many new greenfield projects at UKG & Okta both external and internal-facing.

Drove Technology Transformation

Spearheaded the migration from monolithic architecture to microservices, enabling 10x faster feature delivery. Introduced modern CI/CD practices reducing deployment time from hours to minutes.

ArchitectureCI/CDDevOps

Built & Scaled High-Performing Teams

Built and scaled high-performing engineering teams from the ground up across multiple regions. Led aggressive hiring initiatives resulting in 30+ new hires across US, Canada, and India.

Talent AcquisitionTeam BuildingGrowth
Read the full story on NX Blog →
Instant
Feedback
Zero CI
overhead
Unified Codebase
AR
Asif Rahman
Sr Staff Software Engineer at SailPoint

Sid's transition from QA lead to team manager showcases his exceptional capabilities in both leadership and technical expertise in mobile and web development nuances. As the manager of the mobile platform group, Sid united the team with his positive attitude, clear vision, and strong mentorship. Sid fostered a collaborative and inclusive environment, always willing to share his knowledge and support his colleagues.

Read more...
DU
Dheeraj Upadhyay
Principal Software Engineer at UKG

Beyond his technical expertise, what sets Sid apart is his calm and focused leadership style. On multiple occasions, I had the opportunity to work under his leadership, and his clarity of vision, structured approach to problem-solving, and commitment to organizational goals significantly contributed to the team's success. He has a remarkable ability to align team efforts with broader business objectives while fostering collaboration and accountability.

Read more...
02Engineering
FromAPIshandling75milliondailyrequeststomobileappsservingamillionusersperformanceisnon-negotiableateverylayerofthestack.

75M+

Requests

Daily API Requests

API Gateway scaled to handle 75M+ requests per day across data centres.

99.99%

Uptime

Uptime Achieved

Near-perfect availability built through resilient architecture decisions.

Top 10

Ranked in business charts

App Store Ranking

UKG Pro catapulted to top 10 business apps on both major platforms.

1M+

DAU

Daily Active Users

Production mobile applications serving more than 1M users every day.

Technical Stack

Mobile
SwiftJavaSwiftUIUIKitAppKitReact Native
Frontend
ReactTypeScriptJavaScriptSwiftUI
Backend
Node.jsTypeScriptREST APIsAPI Gateway
Infra & CI
Cloud FoundryKubernetesTeamCityGitHub ActionsNx Cloud
Tools
xcrun simctladb CLIKibanaPendoTestMu AISauceLabs

API Gateway Architecture

Designed and scaled an API Gateway handling 75M+ daily requests across distributed data centres with 99.998% uptime SLA.

Node.jsKubernetesCloud Foundry

UKG Pro Mobile Platform

Led engineering on the UKG Pro mobile app — iOS & Android — elevating it to a top 10 business app ranking while serving 1M+ daily active users.

SwiftSwiftUIJavaAppium

CI/CD Pipeline Modernisation

Adopted Nx Cloud and TestMu AI to dramatically cut build and test times, securing org-wide contracts after demonstrating clear ROI.

TeamCityGitHub ActionsNx CloudTestMu AISauceLabs

macOS & iOS Personal Apps

Designed and shipped multiple macOS and iOS apps using SwiftUI, UIKit, AppKit, Combine, MapKit, CoreData, and Swift extensions.

SwiftUIAppKitCombineCoreData
03Quality
Qualityisn'tatestingphase.It'sanarchitecturedecision,amindset,andadisciplineengineeredintoeverylayerfromdayone.

35→82%

Test Coverage

Test Coverage Growth

Increased overall test coverage from 35% to ~82% across the mobile platform.

Suites Built

Test Automation Suites

Built UI, API, and PSR automation suites from the ground up. Used by multiple teams across the org.

8+

Contributing Teams

Org wide adoption

Led adoption of a testing framework, with results aggregated into a unified dashboard.

A/B+

Testing Score

Canary & A/B Testing

Experimental A/B and canary rollouts with strict success criteria before GA.

Mobile Automation Platform

Built UI, API, and PSR automation for the UKG Pro mobile app using Selenium, Appium, XCTest, and internal frameworks; integrated across teams.

AppiumXCTestSeleniumAPI Testing

Domain-Wide Quality Standards

Streamlined domain-wide quality guidelines enabling scalable development. Achieved lower regression times amid frequent release cycles.

PSR TestingRegressionQuality Guidelines

A/B & Canary Rollouts

Established A/B testing methodology for user flows with clear success criteria. Implemented canary API version testing to validate low error rates before full rollout.

A/B TestingCanary DeploymentFeature Flags

Production Observability

Established production logging, visibility, and alerting infrastructure. Monitored quality signals in Kibana and Pendo to drive data-informed decisions.

KibanaPendoObservabilityAlerting