IOS Developer

Job Title: Software Development Engineer III - IOS Company: Upstox Location: Mumbai / Bengaluru Work arrangement: 5 days in the office   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 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, IOS Developer As a 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.   Ideal candidate: If you are an iOS developer with a passion for pushing mobile technologies to the limits.  You will work with our team of talented engineers to design and build the next generation of our mobile ecosystem. You are comfortable working on our existing codebase, developing new apps and optimizing them for a fast and delightful user experience.    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 (Jetpack, Swift ) 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 optimize for speed, stability, and scale. 7+ years of hands-on IOS development experience, with strong expertise in Swift. 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. Strong grasp of mobile app architecture (MVVM/MVI), design patterns, dependency injection, and reactive programming. Skilled at writing clean, maintainable, and testable code. Exposure to performance tuning, memory management, multithreading, and offline storage strategies. Collaborative mindset — able to work seamlessly with cross-functional teams while also mentoring peers. Relentlessly resourceful, with a "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 — powering a fintech platform trusted by millions of active users. You'll work on cutting-edge mobile tech (Swift, modular architecture, UI Control & UI View) 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.     We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.