React Native Developer

At BigThinkCode, our technology solves complex problems. We are looking for a talented mobile (Android with Kotlin skills) development specialist to join our technology team at Chennai.

Below job description for your reference, if interested share your profile to connect and discuss.

Company: BigThinkCode Technologies

URL: https://www.bigthinkcode.com/

Role: Senior / Lead Engineer (Android , Kotlin)

Experience required: 5–8 years

Work location: Chennai

Joining time: Immediate – 4 weeks

Work Mode: Work from office (Hybrid)

About the Role

An experienced Android Native Application specialize with 5-8 years of experience emphasizes technical leadership, architectural design, and proficiency in modern Kotlin-based Android development practices. The ideal candidate is a strong communicator, self-driven, and capable of leading a distributed development team. You’ll play a key role in building high-quality iOS applications that deliver great user experiences and align with business goals.

Job Summary

This pivotal role involves leading a team of engineers, defining technical direction, and ensuring the delivery of high-quality software products from concept through deployment. The ideal candidate will have deep expertise in the Android ecosystem and a proven track record of technical leadership and mentorship.

Key Responsibilities

Key responsibilities include defining technical architecture and development standards, leading application development using Kotlin, and collaborating with other teams. The role also involves conducting code reviews and enforcing coding standards, mentoring team members, troubleshooting performance issues, managing app releases, and staying current with new technologies like Jetpack Compose.

Required skills:

·      Candidates should have 5-8 years of Android development experience with leadership experience.

·      Strong proficiency in Kotlin, and deep knowledge of the Android SDK and design principles.

·      Experience with Android Jetpack components, modern UI development, APIs and networking libraries, version control.

·      Strong problem-solving and communication skills are essential.

·      Preferred a portfolio of published apps, and experience with performance monitoring tools.

• Experience integrating RESTful APIs, third-party libraries.
• Proven ability to lead Android projects independently and coordinate with remote/global teams.
• Excellent communication skills — able to translate technical concepts into business-friendly language.
• Knowledge of the full mobile development lifecycle, from concept to App Store deployment.

Nice to have:

• Experience with CI/CD tools (e.g. GitHub Actions).
• Familiarity with Agile methodologies.
• Exposure to cross-platform frameworks or App Store optimization techniques.

Why Join Us

• Opportunity to lead impactful iOS projects with autonomy.
• Collaborative work environment.
• Exposure to modern tools and scalable application architectures.
• Medical cover for employee and eligible dependents.
• Tax beneficial salary structure.
• Comprehensive leave policy
• Competency development training programs.

The Role:

We are looking for a Software Development Engineer (iOS) to join our Core Payments team at Razorpay. In this role, you will be responsible for developing and scaling our iOS SDK, the critical integration point used by thousands of merchants to process payments across multiple geographies.

You will work closely with product and backend engineering teams to design high-performance features, ensuring the SDK remains secure, lightweight, and developer-friendly. This role offers the opportunity to solve complex engineering challenges involved in building financial infrastructure that operates at massive scale.

Responsibilities:

• SDK Development: Contribute to the development of our native iOS SDK, ensuring high availability and seamless payment experiences for a diverse merchant base.
• Engineering Excellence: Write clean, maintainable, and modular code. Architect solutions that are resilient across different host app environments.
• Automation: Design and implement robust automation for tests, builds, and performance profiling. If a task is repetitive, you are expected to automate it.
• Instrumentation: Build deep telemetry within the SDK to provide real-time insights into success rates and latency, enabling data-driven product decisions.
• Security: Implement industry-standard security protocols, including SSL pinning and runtime integrity checks, to protect sensitive transaction data.

Mandatory Qualifications:

• 2+ years of experience in native iOS development using Swift.
• Systems Design: Solid understanding of OOPS principles and architectural patterns (e.g., MVVM, VIPER, or Clean Architecture).
• Cross-Platform Knowledge: Practical experience with bridge-based frameworks such as Flutter, React Native, or Cordova.
• Technical Depth: Strong proficiency in GCD, Swift Concurrency, and UIKit/SwiftUI lifecycles.
• Debugging: Proficiency in using Xcode Instruments for memory management, CPU profiling, and network debugging.

Good to Have:

• Android Stack Experience: Familiarity with Kotlin or Java is highly preferred to help maintain feature parity and align API design across platforms.
• Deployment & Tooling: Knowledge of CocoaPods, Swift Package Manager (SPM), or Fastlane for automated distribution.
• Open Source: Active contributions to GitHub or a portfolio of apps published on the App Store.

Job Title: Senior iOS Software Developer

Exp: 4 - 7 Years

CTC: up to 12 LPA

Location: Tardeo Mumbai

Technical Skills:

o Proficiency in Swift and Objective-C.

o Solid understanding of object-oriented programming

o Knowledge of memory management and multi-threading

o Experience with embedded databases and other system data stores

o Strong understanding of iOS frameworks such as UIKit, Core Data, Core Animation, and Core Graphics.

o Good  knowledge of performance limits and characteristics

o Good sense of UI design execution principles

o Experience with RESTful APIs, JSON, and third-party libraries to connect to backend services.

o Knowledge of mobile app architecture patterns such as MVC, MVVM, and VIPER.

o Experience with version control systems, preferably Git.

o Familiarity with continuous integration/continuous deployment (CI/CD) pipelines.

o Implementation of automated testing platforms and unit tests, benchmarking and optimization 

o Understanding of Apple’s design principles and interface guidelines.

At Cityflo, we are solving the problem of commuting to the office which affects employees in big, populated Indian cities every day. Cityflo provides a bus experience like no other - we run premium AC buses for daily commuters.  We’re changing the way urban Indians commute and enabling everyone to reclaim hours of their time every day. Before the imposed lockdown due to coronavirus, we were serving about 7500 commuters per day. We plan to scale to 5,00,000 rides per day in the next 4 years in a profitable and sustainable manner.

We're looking for people who are passionate about creating great Android applications.
You've been around for a few API levels and you know how to delight Android users. You’ve got an eye for the beautiful Android design our users expect and an attention to detail down to the very last dpi. You know your way around the View hierarchy and are eager to partner with Product and Design to craft efficient, performant, and delightful user experiences. You like building for the long term and value patterns and structures that allow for maximum flexibility in a constantly evolving product.

You can read more about our engineering and culture on our blog: https://blog.cityflo.com/tag/engineering/" target="_blank">https://blog.cityflo.com/tag/engineering/

What you should have:

• At least three years of engineering experience, a large portion of which in a team environment
• Bachelors/Masters degree in Computer Science, Engineering, or a related subject.
• Strong computer science fundamentals: data structures, algorithms and programming languages
• Experience working closely with product teams, designers, and other developers to create a truly delightful mobile experience
• Familiarity with design concepts and constraints on mobile platforms.
• Extensive understanding of Android framework components and their respective lifecycles
• Experience developing highly performant Kotlin code and view layouts and the ability to diagnose performance bottlenecks
• A disciplined approach to development, testing, documentation and code structure in a team environment
• Familiarity with the Android tool ecosystem for development, testing, debugging, and performance benchmarking
• An excellent understanding of best practices for concurrency and threading
• MVVM design architecture pattern for android.

Preferred skills:

• Open Source contributions & participation in programs like Google Summer of Code are a plus.
• Have published one or more Android apps on the Play Store.
• Dependency injections: Dagger, Koin.
• Multi-threading and coroutines in Kotlin/Rxjava.