Staff Engineer

Asif Junaid

Bengaluru, India

Staff-level iOS engineer with 12 years building SDKs and platform foundations at scale (Gojek, Zeta Global). Strong track record shipping zero-to-one SDKs adopted across product orgs, establishing engineering standards (CI, code review, ADRs), and mentoring teams. Comfortable owning architecture decisions end-to-end and influencing roadmaps with product and backend partners.

Past Companies

Gojek App

App Store →

Superapp for ride-hailing, food delivery & payments across Southeast Asia.

ZetaKit SDK

GitLab →

Marketing analytics SDK — architected and shipped from the ground up.

Agentic Development

Pomodoro Focus

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A native Pomodoro focus timer for iPhone, iPad, and Mac with a lightweight task list, streaks, and time-by-task stats that sync privately over iCloud. Designed and shipped end-to-end using agentic development — SwiftUI, WidgetKit, Live Activities, and CloudKit.

SwiftUICloudKitWidgetKitLive ActivitiesClaude Code

ShareRun

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A HealthKit-powered iOS app that turns your runs and walks into animated MapKit flyby videos and branded shareable cards. Designed and shipped end-to-end using agentic development — Swift 6 strict concurrency, SwiftUI, @Observable.

Swift 6SwiftUIHealthKitMapKitClaude Code

Learner Code

Visit Site →

A Scratch-style visual programming editor where kids drag blocks to build games and animations. Shipped end-to-end using agentic development with Claude Code — directing AI agents to plan, implement, and verify features across an 8-package monorepo.

Claude CodeAgentic WorkflowMonorepo

Writing

August 3, 20265 min read

I used Claude Opus to review my ITR filing, and it helped me get ₹22,000 of extra refund

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I kept my CA, but put Claude Opus between us as a reviewer. It found a ₹22,033 exemption the CA had skipped, caught a foreign asset declaration that would have been dangerous to file, and got one finding completely wrong.

Experience

Selected work

Architected and developed ZetaKit, a Marketing Analytics SDK, from the ground up with an emphasis on scalable architecture and unit-testable code.

Implemented a Continuous Integration (CI) pipeline using xcodebuild CLI to automate unit testing and enforce minimum code coverage standards throughout the project.

Achieved 91% unit test coverage ZetaKit, added automated CI triggers to fail unit tests when coverage is below 85%.

Added UI Tests for In App Message, used Xcode profiler to find performance improvements by removing extra work in main thread.

Leveraged AI-assisted development tools (GitHub Copilot, Claude) to accelerate unit test generation and boilerplate code, improving team velocity on SDK delivery by 10%.

Selected work

Developed the core framework of the Chat SDK to enable real-time customer–driver interactions, generating $3 million in annual savings for the company.

Developed the Chat SDK-powered chatbot that automated 30% of all customer support queries successfully.

Led multiple projects, mentoring junior Android and iOS developers, and collaborated closely with product managers to plan and execute biannual strategic initiatives.

Enhanced application reliability and user experience in low-network conditions by implementing a robust caching system using GRDB. This improved success rate of opening Chat to 99%.

Designed exponential-backoff retry for Chat send pipeline, lifting message delivery success from 97% → 99% across SEA networks.

Expanded expertise into backend development by learning Golang and microservices, contributing to the creation of an ad-pacing microservice.

Spearheaded the integration of the Chat SDK into the newly built driver app, establishing the primary communication channel for drivers in Singapore.

Conducted thorough code reviews across the team, enforcing consistent coding standards and ensuring every PR met minimum quality and documentation thresholds.

Designed and maintained real-time telemetry and monitoring systems within the Chat SDK, proactively tracking performance metrics, error rates, and network reliability across diverse conditions.

Selected work

Developed a mobile solution for multiple clients in the Dubai real estate sector to streamline sales operations for their consultants.

The application enabled users to manage customer data, track leads, and book properties online.

Successfully migrated the backend infrastructure for a key client (DMCC) from a legacy Parse server to a modern, open-source solution.

Selected work

Served as a key member of the founding application team that developed the iOS application from the ground up.

Engineered critical features for the platform, including the property listing and payments modules.

The application functioned as a dual-purpose platform, enabling users to book hotels and host their private homes.

Skills

SwiftUnit TestingCore DataSwift ConcurrencyContinuous IntegrationsMicroservice, GolangGit, GitlabUI TestingSocket CommunicationsXcode ProfilingFastlaneCocoapods, Swift Package ManagerCross Team CollaborationMobile AnalyticsSwiftUI, CombineMentorshipUIKitRest API, JSONJIRAAsync Await, ActorXCFrameworkMVVM, VIPER ArchitectureIntegration TestingAutoLayoutAgentic DevelopmentClaude Code

Education

B.Tech Computer Science

PDPM IIITDM Jabalpur

2010 – 2014

Get In Touch

LinkedIn GitHub