Senior iOS Developer (Swift)

Leanis Solutions Sdn Bhd; Kuala Lumpur; On-site; MYR 120,000 - 180,000; Full time

Job summary

Leanis Solutions Sdn Bhd in Kuala Lumpur seeks an experienced iOS developer to own the app end-to-end for a fintech solution. You’ll manage the Xcode build, App Store release, and secure on-device authentication, working with a mobile pod on architecture and design-system discipline.

You will implement biometric login, Keychain/Secure Enclave storage, and integrity checks, turning design specs into pixel-perfect screens while ensuring app performance and security across iOS devices.

Qualifications

• 5+ years of iOS app development experience.
• Experience publishing apps on the Apple App Store.
• Strong focus on mobile security and authentication.
• Proficiency with SwiftUI and UIKit.
• Experience with biometric authentication technologies.
• Ability to manage application releases independently.

Responsibilities

• Build features in Swift + SwiftUI (or UIKit), following design specs.
• Implement biometric login and secure storage.
• Turn design specs into pixel-perfect, responsive screens.
• Ship signed App Store builds; manage TestFlight and submission.
• Write tests and optimize performance and stability.

Skills

iOS development

SwiftUI/ UIKit

Security / authentication

App store deployment

Performance optimization

Biometric authentication

Secure storage

Tools

Xcode

TestFlight

App Store Connect

Certificate pinning

Job description

Leanis Solutions Sdn Bhd is a Malaysian technology company specializing in software development, financial technology (FinTech), business automation, system integration, and technical consulting services. Founded by a team of software developers, Leanis has over a decade of experience delivering web, mobile, desktop, and enterprise applications across various industries, including banking, financial services, government agencies, education, telecommunications, travel, and non-profit organizations.

As a home-grown FinTech development company, Leanis focuses on creating innovative, scalable, and integrated technology solutions that help businesses improve efficiency, enhance customer experiences, and accelerate digital transformation. The company has successfully delivered solutions that support major e-wallet and international banking service providers, demonstrating its expertise in developing secure and reliable financial technology platforms.

With a commitment to innovation, collaboration, and continuous improvement, Leanis serves as a trusted technology partner, helping organizations bridge the gap between business needs and technology through practical, high-impact digital solutions.

Why Join Leanis Solutions?

At Leanis Solutions, we are building the future of digital payments and financial technology. As a growing fintech company, we offer employees the opportunity to work on innovative projects, develop new skills, and contribute directly to the company's growth and success.

We believe that great people are the foundation of a great company. That's why we are committed to creating a supportive, collaborative, and rewarding work environment where employees can thrive both professionally and personally.

Role overview

You own the iOS app end-to-end — the Xcode build, the App Store release, secure on-device authentication, and native integrations — for a fintech app where trust and security are the product. You pair with the Android developer as the mobile pod, sharing architecture decisions and design-system discipline.

What you will own

• iOS build and release: the Xcode build, App Store Connect, TestFlight, signing, and submission.
• Secure authentication and storage: Keychain, Secure Enclave, Face/Touch ID via LocalAuthentication, certificate pinning.
• App integrity: jailbreak and tamper detection, device attestation.
• The UI layer: pixel-perfect screens from design specs, dark theme, animations, offline-first patterns.
• Push and engagement: APNs push, deep links.
• iOS test and CI: UI + unit tests (XCTest), mobile CI pipeline.

Job Descriptions

• Build features in Swift + SwiftUI (or UIKit), with @Observable/Combine and a repository pattern.
• Implement biometric login, Keychain/Secure Enclave storage, and integrity checks.
• Turn design specs into pixel-perfect, responsive screens.
• Ship signed App Store builds; manage TestFlight and submission.
• Write and review tests; debug device-specific issues; keep the app fast and stable.

Required Knowledge

• iOS architecture and application lifecycle
• Mobile security and authentication mechanisms
• SwiftUI and UIKit development
• Secure storage and encryption methods
• Mobile application performance optimization
• API integration and certificate pinning
• Strong mobile security mindset
• Excellent problem-solving skills
• Ability to manage application releases independently
• Strong collaboration and communication abilities

Required Experience

• Minimum 5 years iOS application development
• Experience publishing applications on the Apple App Store
• Experience implementing secure mobile applications
• Experience with biometric authentication technologies