
Own Android SDKs, working hand-in-hand with the founding team
Design and build delightful user interfaces for native apps on Android
You will be (co-) responsible for our software development kit (SDK) for Android
Building mobile apps in both Swift and Kotlin.
You work independently on your own code, but you also spend time collaborating with others.
You are involved in all stages of app development and contribute to the roadmap.
You get the freedom to experiment with new Android technology.
Ownership — advocate for projects and solutions that need to be launched ground up.
Experience
Min 2 to 4 years in developing Android applications in Java / Kotlin / C++ /Gradle/Groovy.
Worked on SDKs/Frameworks.
Strong understanding of software design patterns as well as Android specifics.
Experience with authenticated sessions using authentication tokens and have at-least
fundamental knowledge of app security.
Good to have:-
Experience with Cross-platform frameworks is a plus (React Native, Flutter, Cordova,
Xamarin).
Have implemented security standards and guides.
Experience building applications at scale.
Experience with third-party libraries and APIs like Mobile Vision, MLKit and/or
Camera API.
Good understanding of garbage collection, design patterns and continuously
discover, evaluate,and implement new technologies to maximize development efficiency.
Unit-test code for robustness, including edge cases, usability, and general
reliability

About SIGN3 Technology
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iOS Engineer – AI Platforms & Immersive Experiences
Company: Jio Reality Labs
Location: Navi Mumbai, India
Job Type: Full-Time
Job Summary
Jio Reality Labs is looking for a skilled iOS Engineer to build high-performance, scalable mobile
applications for AI-driven, real-time, and immersive platforms used by millions of users. This role
focuses on creating intuitive, responsive, and visually rich iOS experiences for AI/ML dashboards,
real-time analytics, and AR/VR-enabled applications.
Responsibilities
1. Mobile Application Development
Build and maintain scalable, high-performance iOS applications using modern development
frameworks and tools.
Develop intuitive user interfaces for AI/ML workflows, real-time analytics dashboards, and
enterprise tools.
Translate product requirements and UX designs into clean, maintainable, and reusable code.
2. Real-Time & Data-Driven Interfaces
Implement real-time UI updates for streaming data, live metrics, and system monitoring
dashboards.
Work with APIs and WebSockets to render low-latency, data-intensive views.
Ensure smooth user experience under high-traffic and high-data-volume scenarios.
3. UI/UX & Performance Optimization
Optimize mobile application performance for speed, responsiveness, and scalability.
Ensure compatibility across iOS devices, screen sizes, and OS versions.
Collaborate closely with designers to deliver polished, immersive user experiences.
4. Platform & Architecture
Design mobile architecture that supports modularity, scalability, and long-term
maintainability.
Implement state management, reusable components, and modular libraries to support
complex applications.
Contribute to mobile development standards, best practices, and reusable design systems.
5. Collaboration & Delivery
Work closely with backend, AI/ML, data engineering, and platform teams to integrate APIs
and workflows.
Participate in code reviews, sprint planning, and technical design discussions.
Support CI/CD pipelines and production deployments.
Required Skills & Qualifications
Strong experience in iOS development using Swift (preferred) or Objective-C.
Hands-on experience with UIKit and/or SwiftUI, and modern iOS architecture patterns
(MVVM/MVC).
Solid understanding of mobile UI principles, Auto Layout, and responsive design.
Experience consuming REST APIs and working with real-time data (WebSockets, streaming).
Familiarity with performance optimization techniques and debugging tools (Instruments,
Xcode tools).
Preferred Skills
Experience building dashboards or data-intensive mobile applications.
Familiarity with data visualization frameworks.
Exposure to AR/VR or graphics-intensive interfaces (ARKit, RealityKit, Metal).
Experience with design systems, component libraries, and accessibility standards.
Understanding of cloud-based deployments and CI/CD workflows.
Must-haves:
- You need to be excited about the problem that we are trying to solve
- 4+ years of experience building applications in React Native
- Build pixel-perfect, buttery smooth UIs across both mobile platforms.
- Strong Js fundamentals
- Built an iOS app from scratch or Native Android development experience
- Ability to give clarity and communicate well with the team, including Product, Backend and Dev-Ops (if and when needed)
- Ability to use profiling tools well, getting to root causes of bugs fast
- Ability to pick and work on adjacent technologies if and when required (Eg: If the best performance monitoring solution needs a basic firebase setup, that should not be a blocker for you to go ahead and do so)
- Maintain code and write automated tests to ensure the product is of the highest quality.
- Reach out to the open-source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.
-
You need to be comfortable working in a remote environment (Good internet connection and availability on phone is required)
Good to have:
- Experience with next.js
- Experience in Test Driven Development
- Ability to tell Product what creates better User Experience, ability to tell backend what API responses will help the user get a faster load time
- Inquisitiveness to understand the system as a whole, and not only be stuck to your domain of expertise (Eg: Asking questions like why does this particular response take so much time as compared to others, and brainstorming with the backend engineer on how to improve on it)
Benefits
- Work timings - You are the master of your time. However, with great freedom comes great responsibility. If you have committed something to the team, we expect that you will give it your best to make sure that commitment is done and is done on time.
- Leave policy - Take a leave whenever for whatever reason you want. You don't need to explain yourself to us
- Health insurance for you and your family
- Minimum 3yrs of exp in building React native apps for android and iOS
- Solid understanding of iOS and Android ecosystems.
- Must have worked on hardware integration with the apps.
- Understanding of various navigation models in mobile apps
- Good at debugging, testing, performance optimization.
- Interpersonal skills: good team player, ready to take challenges ability to deliver in a fast-paced environment.
- Build pixel-perfect, buttery smooth UIs across both mobile platforms.
- Leverage native APIs for deep integrations with both platforms.
- Diagnose and fix bugs and performance bottlenecks for performance that feels native.
Stealth AI Labs looking for a Lead iOS engineer with 6+ years of experience in app development. We need someone urgently, you will be starting next week or asap.
If you currently have a full-time job and want to work Part Time we are ok.
You will be building the app from Scratch based on Figma designs. You will be a part of the founding engineering team. We are working on a cutting-edge technology stack. You will get the opportunity to work on a massive scale project and very complex problems which will help you grow as an engineer. Our restful backend is built in Golang which can handle millions of concurrent users.
Please include your portfolio of iOS apps you have developed
Requirements:
- Experience building iOS apps or apps used by millions of users is a MUST
- We have hard deadlines, speed of development is essential and we want someone who is delivery oriented
- We will be using Swift for the development
- Attention to detail for performance optimization and benchmarking
- Knowledge of reducing app size, minimizing app launch time, skeleton loading
- Write well documented & maintainable code
- Implement automated testing and unit tests for the code you write
- Self-starter mentality who can pick up new skills & can work independently
We are seeking a highly skilled and experienced Senior Flutter Consultant to join our team. As a Senior Flutter Consultant, you will play a critical role in developing innovative and user-friendly mobile applications for our clients. You will collaborate with cross-functional teams, including designers, developers, and project managers, to deliver high-quality solutions that meet our clients' business objectives.
Responsibilities:
- Develop and maintain Flutter applications for iOS and Android platforms.
- Collaborate with designers and developers to translate wireframes and UI designs into fully functional mobile applications.
- Provide technical expertise and guidance to the development team regarding best practices for Flutter application development.
- Write clean, efficient, and maintainable code that adheres to industry standards and project requirements.
- Conduct code reviews and provide constructive feedback to ensure code quality and performance optimization.
- Troubleshoot and debug issues, identify bottlenecks, and propose effective solutions to technical challenges.
- Stay updated with the latest trends and advancements in the Flutter framework and mobile app development.
- Mentor and coach junior developers, sharing knowledge and promoting a culture of continuous learning and improvement.
- Collaborate with project managers and clients to understand their requirements, provide technical insights, and deliver solutions within the agreed timelines.
- Participate in Agile/Scrum development processes, including sprint planning, backlog grooming, and daily stand-ups.
Requirements:
- Bachelor's degree in Computer Science, Engineering, or a related field.
- Minimum 3 years of professional experience in mobile application development, with at least 2 years of hands-on experience with Flutter.
- Strong proficiency in Dart programming language and Flutter framework.
- Extensive experience in building and deploying mobile applications on both iOS and Android platforms.
- Solid understanding of software development principles, including object-oriented programming, design patterns, and architectural best practices.
- Experience with RESTful APIs, third-party integrations, and asynchronous programming.
- Knowledge of version control systems (e.g., Git) and experience with collaborative development workflows (e.g., GitFlow).
- Familiarity with mobile app testing frameworks and tools, such as Flutter testing framework, XCTest, and Espresso.
- Excellent problem-solving and debugging skills, with the ability to analyze complex issues and propose effective solutions.
- Strong communication and interpersonal skills, with the ability to effectively collaborate with cross-functional teams and clients.
- Experience working in an Agile/Scrum development environment.
- Proven ability to meet deadlines and deliver high-quality work in a fast-paced, dynamic environment.
Preferred Qualifications:
- Experience with hybrid app development frameworks (e.g., React Native) is a plus.
- Knowledge of backend technologies, such as Node.js or Firebase, for building APIs and integrating with databases.
- Contributions to open-source projects or personal Flutter app projects.
- Certifications related to mobile app development or Flutter.
Join our team and contribute to the development of cutting-edge mobile applications using Flutter. As a Senior Flutter Consultant, you will have the opportunity to work on diverse projects, leverage your expertise, and make a significant impact on our clients' businesses.
- Translate product designs and features into high-quality code within project constraints through diligent planning and attention to detail.
- Design and develop efficient reusable components. Follow SDLC best practices by ensuring coding and testing standards.
- Take the lead to maintain and refactor code and remedy performance bottlenecks.
- Collaborate with different tech teams, product teams, and QA. Exhibit excellent teamwork and help achieve team goals. Keep key stakeholders informed about progress and problems; avoid surprises.
- Work to architect simple, reliable, and elegant applications. Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
- Identify and communicate improvements to development tools, processes & workflows. Contribute to a collaborative work environment and a culture of ownership.
- Participate in understanding problems for our specific target and finding solutions for them.
Qualifications
- Strong knowledge of Android design principles, patterns, and best practices.
Good problem-solving skills and verse with OOPs fundamentals. - Proficiency in Java, Kotlin, and a solid understanding of Android SDK and other components (MVP/MVVM, Architecture components, Jetpack, Dagger, RxJava, Coroutines, Data binding, Retrofit, etc).
- Knowledge of clean architecture and its implementation.
- Proficient with developing apps optimized for different android versions and devices of varying performance.
- Strong system design and architecture skills.
- Experience with multi-threading, memory management, databases.
- Experience in working with REST APIs, JSON, XML, etc.
- Experience/Knowledge of unit testing and integration testing.
- A knack for profiling, performance tuning, and optimization.
Skills that will give you an edge - Hands-on experience with supporting payments and integrating payment gateways
- Experience with progressive web apps, service workers
- Strong grasp over frontend unit and end-to-end testing frameworks
We are looking for an android developer to enhance design, fix bugs, improve performance and develop new features of a functional Android application
Responsibilities & Skills
An ideal candidate:
Should have 7+ years of professional experience in autonomously designing, developing, testing, debugging and maintaining mobile applications on the Android platform
Should have hands-on experience with and strong knowledge of Android SDK, Android Studio, Kotlin, and different versions of android, and how to deal with different screen sizes
Should have familiarity with RESTful APIs to connect Android applications to back-end services
Should have experience with offline storage/mode, threading, and performance tuning and Memory Management
Should have knowledge of the open-source Android ecosystem and the libraries available for common tasks
Should have strong understanding of Android, OEM's and OS flavors
Should have experience working with Sqlite database and proficient in writing SQL queries
Should be well conversant with Android UI design principles, interface guidelines, material design, patterns, and best practices
Should have familiarity with cloud message APIs and push notifications
Should be able to review the existing code, find out & fix bugs and optimize the code.
Should fix bugs and improve Android application performance
Should develop new features of the Android application
Should assume end-to-end ownership of the Android application and assigned tasks
Should work independently without the need of guidance and supervision
Should have ability to understand business requirements and translate them into technical requirements
Should have a knack for benchmarking and optimization
Education
1. At least an undergraduate degree in Computer
Science, Engineering, preferably from IITs/Top RECs.
2. 1-4 years of experience at cutting edge organisations
or startups.
3. Extensive experience in developing mobile apps using
Android SDK with proficiency in Core Java and design
patterns.
4. Experience with e business/e commerce applications
and business environment is a must.
5. Any experience with internet companies will be a plus.
6. Great understanding of Android development SDK and
Kotlin.
7. Expertise in Core Java with solid OOD principles and
design patterns.
8. Good grasp of algorithms, design patterns, memory
management and multithreaded programming.
9. Conversant with JSON, XML, Web services API.
10. Experience with SaaS platforms for mobile
development like Analytics, Push Notifications, Cloud
Storage, Ad Networks, etc.
11. Hands-on experience with Android's debugging, unittesting, memory and performance optimization tools.
12. Great people skills







