Software Development Engineer III – iOS ( Mumbai / Bengaluru 7+ Years )

HypTechie; Mumbai, Bengaluru; On-site; INR 4,000,000 - 7,000,000; Full time

Job summary

Upstox is seeking a Software Development Engineer III – iOS to design and build world-class mobile experiences for millions of users. You will influence performance, security, and scale of our fintech app, collaborating in a fast-paced on-site environment in Mumbai or Bengaluru.

The role emphasizes end-to-end ownership, mentorship of junior engineers, and leveraging Swift, SwiftUI, and Combine to deliver reliable, high-quality mobile products.

Qualifications

• 7+ years of hands-on iOS development with Swift and iOS SDK.
• Experience shipping large-scale iOS apps with millions of users.
• Strong knowledge of MVVM/MVI, design patterns, dependency injection, and reactive programming.

Responsibilities

• 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.
• Collaboration: Work closely with Product, Design, and Backend teams to deliver frictionless, intuitive customer experiences.
• Innovation: Explore and implement modern iOS technologies (Swift, SwiftUI, Combine).
• Mentorship: Guide and mentor junior engineers, fostering technical excellence.

Skills

Swift

iOS development

MVVM/MVI

SwiftUI

Combine

Memory management

Multithreading

Problem-solving

Education

Bachelor's degree in Computer Science

Tools

Xcode

AI tools for development

Job description

Software Development Engineer III – iOS

Department: Technology – Engineering
Company: Upstox
Location: Mumbai / Bengaluru
Work Arrangement: On-site (5 days a week)
Employment Type: Full-time

About Upstox

At Upstox, we’re building the future of investing — simple, powerful, and for everyone. We’re one of India’s fastest-growing fintech platforms, backed by industry leaders like Mr. Ratan Tata and Tiger Global, and we’re 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, this is where you belong.

About the Role

As a Software Development Engineer III – iOS, you’ll play a pivotal role in designing and building world-class mobile experiences that empower millions of users to trade, invest, and grow their wealth confidently. This is more than just coding — it’s about shaping the performance, security, and scale of one of India’s most loved fintech apps. If you’re passionate about mobile innovation, enjoy solving complex technical challenges, and thrive in a collaborative environment, this role is for you.

Key Responsibilities

• 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 mobile engineering team.
• Collaboration: Work closely with Product, Design, and Backend teams to deliver frictionless, intuitive customer experiences.
• Innovation: Explore and implement modern iOS technologies (Swift, SwiftUI, Combine, etc.) to stay ahead of the curve.
• Mentorship: Guide and mentor junior engineers, fostering a culture of technical excellence and learning.
• Performance & Monitoring: Define metrics, monitor app health, and continuously optimize for speed, stability, and scalability.

Who You Are

• 7+ years of hands-on iOS development experience with strong expertise in Swift and iOS SDK.
• AI-native mindset — leveraging AI tools for faster development, debugging, optimization, and smarter engineering decisions.
• Proven track record of building and shipping large-scale iOS apps with millions of users.
• Deep understanding of mobile architecture patterns (MVVM/MVI), design patterns, dependency injection, and reactive programming.
• Strong grasp of performance tuning, memory management, multithreading, and offline storage strategies.
• Collaborative mindset with experience working across cross-functional teams.
• Self-starter with a problem-solving, “figure it out” attitude.
• Bachelor’s/Master’s degree in Computer Science or a related field preferred.

Why Join Us

• Build products that impact millions of users in India’s fast-evolving fintech ecosystem.
• Work with a team of top engineers, designers, and product leaders in a culture that values ownership and innovation.
• Competitive compensation and a high-growth environment with real career progression.
• Be part of a mission-driven organization that’s changing how India invests.