iOS Developer - (Native | Payments | Innovation-Focused)

Job Title: iOS Developer (Payments | Innovation-Focused)

Experience:3-4 Years

Location: Mumbai

About Kayana

Kayana is one of the fastest-growing companies, empowering small and medium-sized businesses with cutting-edge technology to compete with larger enterprises in the ordering and payments space. As a disruptive force in the industry, we provide everything from essential point-of-sale systems to advanced solutions like self-service kiosks, enabling brands to scale and succeed.

Our mission is simple: to help businesses thrive through innovative technology. With operations across the USA, UK, Europe, Australia, and the Middle East, Kayana is proud to foster an inclusive and dynamic culture. Every employee is supported with a personalized development plan, offering clear and achievable career paths for long-term growth.

Job Summary:

We are seeking an experienced and innovative iOS Developer to join our mobile engineering team in Mumbai. This role is ideal for a developer passionate about delivering seamless mobile payment experiences, with strong command of Swift, core iOS frameworks, and 3rd-party SDK integrations. You will play a key role in developing secure, high-performance iOS apps that integrate with payment gateways, wallets, and other financial service providers.

Key Responsibilities:

Design, build, and maintain iOS applications using Swift and Objective-C, with a focus on stability, performance, and usability.

Integrate payment gateways, UPI, wallets, and other 3rd-party SDKs/APIs securely and efficiently.

Collaborate with Product, UX/UI, and Backend teams to define, design, and ship new features.

Optimize apps for maximum performance, responsiveness, and reliability on various iOS devices.

Maintain high standards of code quality through code reviews, unit tests, and best practices.

Keep up with the latest trends in iOS development, security, and mobile payments.

Troubleshoot and resolve bugs, crashes, and payment-related issues in production.

Follow secure coding practices and ensure compliance with PCI DSS and data privacy regulations.

Core Skills Required:

Strong proficiency in Swift and working knowledge of Objective-C.

Modularization as well as CoreData + Combine + Background Tasks for handling payment retries gracefully.

Experience with UIKit, Core Data, Auto Layout, and networking libraries (e.g., Alamofire, URLSession).

Proven experience in integrating 3rd-party SDKs, especially payment gateways (e.g., Razorpay, Paytm, Stripe, PayU, Citrus) and financial APIs.

Good understanding of RESTful APIs, OAuth, tokenization, and secure data transmission.

Familiarity with MVVM/MVC, modular app architecture, and clean code principles.

Experience with App Store submission, release cycles, and version control (Git).

Preferred (Nice to Have):

Experience with SwiftUI, Combine, or modern concurrency (async/await).

Knowledge of encryption, biometric authentication (Face ID/Touch ID), and app security standards.

Exposure to tools like Firebase, Crashlytics, Fastlane, and CI/CD pipelines.

Prior experience in payment solution companies or fintech apps is a strong plus.

What Were Looking For:

A creative and solution-driven iOS developer who thrives in a fast-paced, tech-focused environment.

Someone who can work independently while collaborating with cross-functional teams.

Strong attention to detail, product quality, and security compliance.

Passion for mobile innovation, particularly in the payments and fintech space.

Why Join Us?

Be part of a growing product team at the forefront of digital payments innovation.

Work on real-world, high-impact mobile apps used by thousands of users.

Friendly, collaborative environment with focus on learning and innovation.

Competitive compensation, modern office setup in Mumbai, and flexible work culture.