Android Developer - (Java/Kotlin Expertise)

Job Title : React Native SDE 3

Experience : 8+ Years

Employment Type : Contract to Hire (C2H)

Location : Bangalore (Hybrid – 3 Days WFO)

Notice Period : Immediate to 15 Days

Job Summary :

We are looking for an experienced React Native Developer to join its mobile engineering team and help build scalable, high-performance applications used by millions of customers.

This is a founding React Native team opportunity where you'll play a key role in defining architecture, best practices, and driving the migration from native Android/iOS applications to React Native.

Mandatory Skills :

Strong React Native development, JavaScript/TypeScript, Mobile Application Architecture, GraphQL API Integration, Android & iOS Platform Knowledge, Mobile Performance Optimization, Accessibility Standards, CI/CD & DevOps Practices, Agile Methodologies (TDD/BDD), System Design, and experience building scalable consumer-facing mobile applications.

Required Skills :

• Strong hands-on experience in React Native development.
• Experience building and architecting mobile applications.
• Good understanding of Android and iOS platforms.
• Experience with GraphQL APIs.
• Strong knowledge of JavaScript/TypeScript.
• Experience with CI/CD, Agile, and DevOps practices.
• Knowledge of mobile performance optimization and accessibility standards.
• Strong problem-solving and communication skills.

Key Responsibilities :

• Develop and maintain React Native applications.
• Work closely with Product, Backend, QA, and Mobile teams.
• Design scalable and maintainable mobile solutions.
• Participate in coding, testing, deployment, and support activities.
• Contribute to architecture decisions and engineering best practices.

Interview Process :

1. Technical Interview (Geektrust)
2. Client Coding Round
3. Client System Design Round
4. Managerial Round (Optional)

We're looking for a Mobile Engineering Lead (Flutter) who can own the end-to-end architecture, development, and delivery of our mobile applications. This is a hands-on leadership role for someone who has grown in product-based startups, understands rapid iteration, and can balance speed, quality, and scalability. You'll lead by example, writing production-grade Flutter code, shaping mobile architecture, and collaborating deeply with product and design teams. If you enjoy building consumer-facing products, taking ownership, and solving real user problems in a fast-paced startup environment, this role is for you.

Exp - 5 yrs - 9 yrs

Job Location - Bangalore [5 days Work from office]

Job Responsibilities:

• Lead and own mobile app development using Flutter (Android & iOS).
• Design and implement scalable, maintainable, and high-performance mobile architectures.
• Work closely with product managers and designers to translate requirements into intuitive user experiences.
• Drive a strong product mindset within the mobile team, focusing on user impact, engagement, and retention.
• Conduct code reviews, enforce best practices, and maintain high engineering standards.
• Mentor and guide mobile engineers through hands-on technical leadership and feedback.
• Manage mobile CI/CD pipelines, release cycles, and app store deployments.
• Monitor app performance, crashes, and production issues; ensure fast resolution.
• Stay updated with Flutter ecosystem trends and proactively improve the mobile stack.

Requirements:

• 4-7 years of experience in mobile application development, preferably in product-based startups.
• Strong hands-on experience with Flutter and Dart in production applications.
• Proven experience building and scaling consumer-facing mobile products.
• Solid understanding of mobile architecture patterns and state management.
• Experience integrating REST APIs, authentication, analytics, and third-party SDKs.
• Hands-on experience with performance optimization, debugging, and profiling.
• Experience with mobile CI/CD pipelines and app store release processes.
• Strong problem-solving skills and ability to work in fast-moving startup teams.
• Excellent communication and collaboration skills.
• Prior startup experience in health, fitness, or consumer internet products.
• Exposure to native Android (Kotlin) or iOS (Swift) for platform-specific integrations.
• Experience with offline-first apps, push notifications, deep linking, and background tasks.
• Familiarity with Agile methodologies (Scrum/Kanban).
• Experience working with analytics and data-driven product development.

Rupayya (www.rupayya.com) is looking for a passionate and skilled iOS Developer with 2–4 years of experience in building high-quality mobile applications. The ideal candidate should have strong expertise in Swift, a good understanding of iOS frameworks, and the ability to deliver scalable and performant applications.

🛠️ Key Responsibilities

• Design and develop advanced applications for the iOS platform using Swift / Objective-C
• Collaborate with cross-functional teams including UI/UX designers, backend developers, and product managers
• Integrate RESTful APIs and third-party libraries/services
• Ensure the performance, quality, and responsiveness of applications
• Identify and fix bugs, optimize performance, and improve code quality
• Participate in code reviews and follow best coding practices
• Maintain code versioning using tools like Git
• Stay updated with the latest trends and technologies in iOS development

💡 Required Skills & Qualifications

• 2–4 years of hands-on experience in iOS development
• Strong proficiency in Swift (preferred) and/or Objective-C
• Experience with iOS frameworks such as UIKit, Core Data, Core Animation
• Familiarity with MVVM / MVC architecture patterns
• Experience with RESTful APIs and JSON parsing
• Knowledge of Auto Layout, Storyboards, and SwiftUI (preferred)
• Understanding of app lifecycle, memory management, and multithreading
• Experience with version control systems like Git

⭐ Good to Have

• Experience with SwiftUI and modern iOS development practices
• Knowledge of CI/CD pipelines for mobile apps
• Familiarity with unit testing frameworks (XCTest)
• Experience with Firebase, push notifications, and analytics tools
• Exposure to App Store deployment and guidelines

🎯 Key Competencies

• Strong problem-solving and debugging skills
• Attention to detail and performance optimization
• Good communication and teamwork skills
• Ability to work in an agile environment

🎁 What We Offer

• Opportunity to work on cutting-edge mobile technologies
• Flexible work environment
• Learning and growth opportunities
• ESOPs

Location : Bengaluru

Experience: 2 - 4 yrs

Semaai is an Agritech startup backed by the top International VCs. We are on a mission to uplift the livelihood and income of 55 million farmers in Indonesia through a highly trusted network of MSMEs(Toko Tanis) and farmer groups.

Agriculture in Indonesia is one of the biggest untapped opportunities in Asia as it is a $100 Billion economy but one of the least digitised sectors even though the country has the fourth-highest mobile user base in the world. We aim to be the first full-stack upstream solution for farmers and Agri SMEs with a focus on inputs, advisories, and Agri finance.

We are building the Engineering Founding Team @Semaai, and looking for members who are enthusiastic, and love a high level of autonomy.

Milestones:

• Launched our first product (Agriculture Input Products Marketplace) in August’21 in 3 weeks
• Onboarded most of the Central Java distributors on our marketplace
• 20% WOW growth in revenue
• 20% WOW growth of active user base

Link to our product:

• Mobile: https://play.google.com/store/apps/details?id=com.semaai.toko

Who we are:

Semaai's co-founders are ex Entrepreneurs, from Goldman Sachs, World Bank, and Schlumberger, with 30 years of rich experience in the technology, agri-business, and development sector in Indonesia and India.

We might be a right fit if you:

• Have 2-4 yrs of experience in Android development
• More than 1 year experience in Kotlin
• Sufficient experience in Problem solving
• Experience and knowledge of MVVM architecture
• Experience with Android UI themes, styles, and attributes
• Understand the Data Structures
• Startup experience is a plus plus

Why should you join:

• We believe increasing the income of farmers and MSMEs will speed up their upward social mobility
• We want to build products that create a positive impact on this truly underserved segment.
• End-to-end ownership — for any given project, we have one person who is responsible. While they don’t necessarily have to do all the work themselves, it’s their job to make sure all the work gets done.
• Bias towards action — we launch betas and prototypes as early as we can. This helps ensure that we’re building what users want.
• Inclusive culture — a core part of our culture is our commitment to building an actively inclusive work environment that makes Semaai an excellent home for everyone.

**We look forward to working with people who have similar beliefs and goals.

What you’ll do:

• Dedication to keeping the highest quality, maintainability, and flexibility in code by strictly adhering to best practices and guidelines
• Architect and build projects using Kotlin for Android
• Take all Android technical decisions on high level and low level design
• Ensure the best possible performance, quality, and responsiveness of the application
• Work with other teams to solve technical problems
• Work with the founders, user research, and product design to understand users and address their needs.
• Collaborate with other developers to set best practices, and standards for development across the organization and help shape a culture of technology-first product building.

Interview Process:

After a technical screening round, we will have two rounds of technical interviews 45 mins each within 72 hours. The first technical interview will be focused on logical reasoning and CS fundamentals, and the second will be on the basics of android and logical reason. If all goes well, we extend the offer within 48 Hours.

We are looking for experienced iOS developers to join our team of talented engineers to design and build the next generation of our mobile application. The individual should be self-motivated, creative and proactive, with 1 – 2 years of progressive experience to work successfully in a fast-paced environment including latest technologies like Swift, Objective C and iOS UX guidelines.

– 1 to 2 years experience with iOS, Objective C and Swift.

– 1+ years object-oriented programming experience or equivalent education.

– Experience in an iterative software development environment (Agile).

– Experience with Test-Driven development, continuous integration and other Agile methodologies.

– Good experience in using Apples XCode for software development.

– Experience in standard debugging techniques such as logging, LLDB, and/or instruments to localize and correct software defects.

– Hands on experience using smartphones and tablets preferably iPhone and iPad

– Ability to design, develop, support new and existing applications and perform unit testing and integration testing.

– Experience with 3rd Party SDK integrations and other device libraries.

– Experience packaging and publishing applications on the App Store.

We are looking for an iOS developer responsible for the development and maintenance of applications aimed at a range of iOS devices including mobile phones and tablet computers. Your primary focus will be development of iOS applications and their integration with back-end services. You will be working alongside other engineers and developers working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and the creation of quality products is essential.

Responsibilities

• Design and build applications for the iOS platform
• Ensure the performance, quality, and responsiveness of applications
• Collaborate with a team to define, design, and ship new features
• Identify and correct bottlenecks and fix bugs
• Help maintain code quality, organization, and automatization

Skills

• Proficient with Objective-C or Swift  and Cocoa Touch
• Experience with iOS frameworks such as Core Data, Core Animation, etc.
• Experience with offline storage, threading, and performance tuning
• Familiarity with RESTful APIs to connect iOS applications to back-end services
• Knowledge of other web technologies and UI/UX standards
• Understanding of Apple’s design principles and interface guidelines
• Knowledge of low-level C-based libraries is preferred
• Experience with performance and memory tuning with tools
• Familiarity with cloud message APIs and push notifications
• Knack for benchmarking and optimization
• Proficient understanding of code versioning tools 
• Familiarity with continuous integration
•  

Requirements

• B.Tech/BCA/MCA degree in Computer Science, Engineering or a related subject.

We are looking for an iOS developer responsible for the development and maintenance of applications aimed at a range of iOS devices including mobile phones and tablet computers. Your primary focus will be development of iOS applications and their integration with back-end services. You will be working alongside other engineers and developers working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and the creation of quality products is essential.

• Design and build applications for the iOS platform
• Ensure the performance, quality, and responsiveness of applications
• Collaborate with a team to define, design, and ship new features
• Identify and correct bottlenecks and fix bugs
• Help maintain code quality, organization, and automatization

• Proficient with Swift  and Cocoa Touch
• Experience with iOS frameworks such as Core Data, Core Animation, etc.
• Experience with offline storage, threading, and performance tuning
• Familiarity with RESTful APIs to connect iOS applications to back-end services
• Knowledge of other web technologies and UI/UX standards
• Understanding of Apple’s design principles and interface guidelines
• Knowledge of low-level C-based libraries is preferred
• Experience with performance and memory tuning with tools
• Familiarity with cloud message APIs and push notifications
• Knack for benchmarking and optimization
• Proficient understanding of code versioning tools 
• Familiarity with continuous integration

• HTTP APIs 
• SQLite
• Firebase
• Git

• AWS
• MQTT
• IoT
• AWS Cognito 
• Knowledge about Hardware IoT, ESP32, ESP8266, NodeMCU etc.