Software Engineer - Mobile App Development (IOS / Android )

Nxt9.com

Hyderabad

On-site

INR 800,000 - 1,200,000

Full time

14 days+

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Benefits offered by this job

Opportunity for growth

Direct product impact

Collaborative team environment

Job summary

A forward-thinking technology company based in Hyderabad is hiring a Software Engineer for Mobile App Development to create innovative mobile applications. The ideal candidate should have over 3 years of experience in mobile development, a strong grasp of mobile architecture, and proficiency in integrating REST APIs. This role demands a hands-on engineer who works closely with product and design teams to deliver exceptional user experiences. Join us to contribute to a rapidly growing startup with a focus on impactful technology.

Qualifications

3+ years of experience in mobile application development.
Strong hands-on experience in mobile app architecture.
Experience with authentication flows like JWT and OAuth.

Responsibilities

Design, develop, test, and maintain mobile applications for iOS and Android.
Build user-facing flows like onboarding and account creation.
Optimize application performance and security.

Skills

Mobile application development

REST APIs integration

Debugging and problem-solving

Mobile architecture patterns (MVVM, Clean Architecture)

Push notifications

Education

Bachelor’s degree in Computer Science or related field

Tools

Git

Swift

Kotlin

Job description

Company Description

Nxt9.com is a forward-thinking technology company dedicated to building innovative solutions to meet modern digital demands.

Our team specializes in creating cutting-edge applications and software tailored to meet the needs of an ever-evolving market. Operating in a collaborative and dynamic environment, Nxt9.com fosters innovation and growth. We aim to deliver impactful technology that empowers businesses and enhances user experiences.

Job Title

Software Engineer – Mobile App Development (iOS / Android)

Job Type: Full-time

Location: Hyderabad, India

About the Role

We are hiring a Software Engineer – Mobile App Development to help build and scale a high-quality mobile product for a fast-growing startup. This role is based in Hyderabad and is ideal for an engineer who enjoys building polished mobile experiences, integrating with modern backend systems, and working on real-world product flows involving identity, payments, notifications, and user onboarding.

This is a hands‑on role where you will work closely with product, design, and backend teams to build secure, scalable, and user-friendly mobile applications. While the role supports long‑term cross‑platform needs, the immediate focus is on delivering a strong mobile‑first architecture and excellent app performance. The project document defines an iOS‑first platform, using native Apple technologies and clean architecture patterns, while planning future cross‑platform expansion.

Key Responsibilities

Design, develop, test, and maintain mobile applications for iOS and Android
Build user‑facing flows such as onboarding, account creation, profile setup, and activity/history views
Implement features involving camera access, photo uploads, QR code generation/scanning, push notifications, and payment method linking
Integrate mobile apps with REST APIs, authentication systems, and third‑party services
Work closely with backend engineers to support real‑time and event‑driven mobile experiences
Write clean, maintainable, and testable code using strong mobile architecture principles
Optimize application performance, responsiveness, reliability, and security
Participate in debugging, QA support, release preparation, and app deployment workflows
Contribute to architecture, code reviews, and engineering best practices

Required Skills and Qualifications

Bachelor’s degree in Computer Science, Engineering, or a related field
3+ years of experience in mobile application development
Strong hands‑on experience in one of the following:
Good understanding of mobile app architecture such as MVVM, Clean Architecture, or similar patterns
Strong experience integrating REST APIs and handling asynchronous network calls
Experience with authentication flows such as JWT, OAuth, OIDC, Sign in with Apple, or Google Sign‑In
Experience working with local device storage, secure token handling, and mobile session management
Experience with camera, photo picker, media upload, or device permission flows
Experience with push notifications
Experience integrating payment SDKs or payment workflows in mobile apps
Strong debugging and problem‑solving skills
Familiarity with Git and collaborative engineering workflows

Preferred Skills

Experience with SwiftUI + UIKit interoperability in iOS applications
Experience with URLSession, async/await, Combine, or equivalent native networking patterns
Experience with Stripe SDK, Apple Pay, or other secure mobile payment flows
Experience with QR code generation/scanning
Experience with Keychain, secure storage, and privacy‑sensitive mobile features
Experience with Firebase, Supabase, or other BaaS/backend‑connected mobile products
Experience with real‑time events, WebSockets, or event‑driven app updates
Experience writing unit tests, integration tests, and UI tests
Familiarity with XCTest, XCUITest, CI/CD pipelines, TestFlight, Fastlane, GitHub Actions, or Xcode Cloud
Experience in startup environments or building products from 0 to 1

What We’re Looking For

A self‑starter who can take ownership of features end to end
Someone who is comfortable working in a startup environment with evolving requirements
An engineer who cares deeply about clean architecture, security, performance, and user experience
Someone who can collaborate well with product, design, and backend teams
A builder who enjoys solving practical product and engineering challenges

Nice‑to‑Have Domain Exposure

Experience with any of the following is a plus:

Identity or access‑related workflows
Membership or account‑linked mobile experiences
Billing, transaction, or payment confirmation flows
Photo‑based verification or image‑upload based user flows
Admin‑connected or event‑triggered mobile systems

Why Join Us

Opportunity to work on an innovative mobile product in an early‑stage startup
High ownership and direct product impact
Fast‑moving and collaborative team environment
Opportunity to help shape architecture and engineering decisions from an early stage
Strong growth potential as the product and engineering team scale