SDE III/IV IOS

Job Title: Software Development Engineer III/IV - IOS

Company: Upstox

Location: Mumbai / Bengaluru

Work arrangement: 5 days in the office

About Upstox

At Upstox, we are building the future of investing, simple, powerful, and for everyone. We're one of India's fastest-growing fintech platforms, backed by the best in the business, including Mr Ratan Tata and Tiger Global, and on a mission to make wealth creation accessible to every Indian. From first-time investors to seasoned traders, millions trust us to power their financial journeys. We're not just moving fast, we're moving with purpose. If you thrive in a high-energy, high-impact environment, you're in the right place.

The Role: SDE-3/4, IOS Developer

As a senior member of our IOS Engineering team, you'll play a pivotal role in designing and building world-class mobile experiences that empower millions of Indians to trade, invest, and grow their wealth with confidence. This isn't just about writing code; it's about shaping the performance, security, and scale of one of India's most loved fintech apps.

If you're excited by solving complex technical challenges, mentoring engineers, and pushing the boundaries of mobile innovation, this role is for you.

What You'll Own

Design & Architecture: Drive the design and architecture of scalable, secure, and high-performance IOS applications.

End-to-End Development: Own features from concept to production, ensuring seamless UI/UX and optimal app performance.

Code Quality & Standards: Champion best practices in coding, testing, and deployment, raising the bar for the entire mobile team.

Collaboration: Partner with Product, Design, and Backend teams to deliver frictionless, intuitive customer experiences

Innovation: Explore and implement modern IOS technologies (SwiftUI, UIKit, Swift Concurrency, Combine, and reactive programming paradigms.) to stay ahead of the curve.

Mentorship: Guide and mentor junior engineers, fostering a culture of technical excellence and continuous learning.

Performance & Monitoring: Define metrics, monitor app health, and continuously optimise for speed, stability, and scale.

Who You Are

7-12 years of hands-on iOS development experience with deep expertise in Swift and modern iOS frameworks.

AI-native, with the mindset to harness AI for accelerating development, debugging, performance optimization, automating workflows, and driving smarter engineering decisions

Proven Track record of shipping complex, large-scale IOS apps with millions of users.

Expert-level understanding of iOS architecture patterns (MVVM, MVI, Clean Architecture, Modular Architecture).

Deep understanding of SwiftUI, UIKit, Swift Concurrency, Combine, and reactive programming paradigms

Advanced knowledge of networking, caching strategies, offline-first architecture, and data synchronization

Strong experience building highly scalable and maintainable mobile platforms

Skilled at writing clean, maintainable, and testable code.

Exposure to performance tuning, memory management, multithreading, and offline storage strategies.

Collaborative mindset and able to work seamlessly with cross-functional teams while also mentoring peers.

Relentlessly resourceful, with a go figure it out attitude and strong problem-solving skills.

Bachelor's / Master's degree in Computer Science or related field preferred.

Why This Role Rocks

You'll build at scale a powering a fintech platform trusted by millions of active users.

You'll work on cutting-edge mobile tech (SwiftUI, UIKit, Swift Concurrency, Combine, and reactive programming paradigms modular architecture) with freedom to innovate.

You'll have high ownership and visibility, directly shaping the user experience of one of India's top fintech apps.

You'll join a team of smart, driven engineers who thrive on solving big, meaningful problems.

Every Line of code you write will impact the way India invests.

By applying for this position, you acknowledge that you have reviewed our Prospective Employee Privacy Notice, which outlines how Upstox collects, uses, and protects your Personal Information ("PI"). I accept Upstox's Prospective Employee Privacy Notice.

Upstox is an Equal Opportunity Employer; all qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, or other characteristics.