
About Duplex Technologies Services
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Company Description
Amura Health is a cloud-based platform designed to help individuals overcome lifestyle and chronic health conditions. Our approach combines cutting-edge medical expertise with Natural Molecule Therapy (NMT) protocols to reverse chronic diseases and promote optimal health. Powered by evidence-based science, we provide innovative solutions that empower individuals to achieve lasting wellness.
Role Overview
We’re looking for a seasoned Mobile App Lead who has built, deployed, and scaled mobile applications, ideally in high-growth HealthTech or B2C platform environments. This is a hands-on leadership role, deal for someone who blends deep technical expertise with product thinking, execution excellence, and a strong sense of ownership.
You’ll define the mobile architecture, lead end-to-end development, and ensure the app can handle millions of users, real-time health data, and secure transactions with high performance, reliability, and empathy for user experience.
Key Responsibilities:
1. Technical Leadership & Architecture
● Lead from the front — architect, design, and guide development of our mobile apps (Android/iOS or cross-platform).
● Define scalable, modular architectures and engineering standards.
● Oversee CI/CD pipelines, release automation, and environment configurations.
2. 0→1 Execution & Product Ownership:
● Translate business and clinical workflows into intuitive mobile experiences.
● Partner with product, design, and backend teams to take concepts from idea to launch.
● Iterate rapidly based on feedback and analytics to deliver meaningful outcomes.
3. Scalability, Reliability & Quality:
● Build for scale — apps capable of handling high concurrency, real time sync, and large transaction volumes.
● Own release management, QA automation, and feature-flag rollouts to ensure seamless, bug-free updates.
● Champion app performance optimization, load handling, and crash free experience.
4. Security, Privacy & Compliance:
● Implement privacy-first design; ensure compliance with data protection standards.
● Champion accessibility (WCAG) and inclusivity in design.
● Manage consent flows, secure data storage, and encryption.
5. Growth, Retention & Observability:
● Collaborate with product and analytics teams to design engagement features personalization, notifications, and retention loops.
● Implement observability tools for performance and stability tracking.
● Establish incident response playbooks and dashboards for proactive issue resolution.
6. Collaboration & Cross-Functional Alignment:
● Partner with backend and data teams to define optimized APIs, caching, and data flow for efficient app performance.
● Work closely with AI/ML teams on personalized insights, predictive health features, and smart engagement models.
● Enable continuous collaboration with design, QA, and product for cohesive outcomes.
7. Mentorship & Team Building:
● Build and mentor a high-performing mobile engineering team.
● Drive code reviews, knowledge-sharing, and innovation culture.
● Foster technical excellence and accountability across the team.
What We’re Looking For
● 7 to 14 years of experience in mobile development, with 5+ years in technical leadership or architect roles.
● Proven record of building and launching mobile apps from scratch (0→1) in high-growth startups or consumer tech.
● Expertise in React Native, with strong understanding of native app lifecycles and performance tuning.
● Experience integrating APIs, Bluetooth devices, wearables, chat/video SDKs, and health data standards (FHIR, HL7).
● Familiarity with cloud platforms (AWS, Azure, GCP) and CI/CD for mobile apps.
● Strong command over app security, data encryption, and secure communication protocols.
● Excellent leadership, communication, and problem-solving skills.
Here are answers to some questions you may have
Where is your office?
Chennai (Velachery)
Work Model
Work from Office – because great stories are built in person!
Do you have an online presence?
https://amura.ai (we are @AmuraHealth on all social media)
For better insights:
https://drive.google.com/file/d/11UHgXqYc7XSJ3IAdFyEm-EurgOzqsmzA/view?usp=sharing

Hiring for a Series E, Bay Area based 3.1 Billion USD rapidly growing organisation focused on payments, marketing and customer loyalty. You will be responsible for development of alternative payments based on blockchain technologies.
Position: Senior / Lead Engineer –Android
Location: Bangalore (Currently remote but post pandemic you need to relocate)
Roles & Responsibilities
- Design and development of apps for Androidin, Kotlin and JAVA
- Follow Google user interface guidelines and principles of material design
- Ensure performance and maintainability of the apps
- Code review and guidance to other team members to make sure code quality is as desired.
- Researching new frameworks and adapting the best of them in app development.
Skills Required
- Expert knowledge of Kotlin and JAVA
- Expert knowledge of Architectural patterns like MVC, MVVM and Clean Architecture.
- Expert understanding of Androidrun time model
- Experience with offline caching, threading and task management.
- Experience with object oriented design patterns.
- Experience with push notifications and Firebase or other similar PaaS systems.
- An Eye for design details, following pixel perfect designs.
- Experience with 3rd party libraries like okhttp, volley , Soket.io, Realm, Firebase, Facebook, Twitter, Instagram, RX Kotlin / JAVA.
- Team management skills.
- Designing and developing advanced applications for android platforms.
- Collaborate with UI/UX designers as well as the software engineers to make sure that each app is presentable.
- Test the applications, identify any bugs and resolve them
- Manage tasks within Agile framework and controlled JIRA workflow.
- Document architecture and implementation for internal and external components.
Qualifications:
- 1+ years of experience in Android Development .
- Previous experience working in a fast paced start up is a plus.
- Released at least 1 app or have a project in works that you can tell us about.
- Experience publishing a high-quality android application to the google store.
- Solid understanding of the full mobile development life cycle.
- Experience working with Android SDK and Android studio.
- Good in JAVA (j2se) and Kotlin
- Experience with APIs (OAuth, XML, JSON, REST, etc. )
- Ability to understand business requirements and convert them into technical requirements.
Job Types: Full-time, Regular / Permanent
Must have technical skills:
- The candidate will possess strong low-level programming skills for building native applications for the following tech stacks:
iOS Platform: XCode, Swift5
Android Platform: Android Studio 3.5, Android Marshmallow, API Level 23 and above, Colin
- Experienced with API Integration.
- Knowledge of application development processes, DevOps, and Agile methodologies
- Knowledge and Experience in Microsoft Azure Cloud will be a plus.
- Working knowledge of SQL queries and use cases
Soft Skills
Good communication skills, quick learner, and ability to work under pressure
Team player with the ability to establish close working relationships with other teams
Should have good logical, analytical & problem-solving skills.
- A minimum of 3yrs of coding as an iOS Developer.
- In-depth experience with Swift and Xcode.
- Up to date with the latest Cocoa and iOS trends.
- Understanding of UI Kit, Core Animation, Interactions, GCD & Networking.
- Excellent understanding of design patterns & Object Oriented Programming.
- Understanding of analytics, remote reporting and measurements.
- Experience of working with Continuous Integration (CI) and Unit Testing on iOS.
- Experience with API’s and core data.
- Excellent debugging skills.
- Experience working with Git.
- Knowledge of socket based networking desirable.
- Understanding of the iOS ecosystem (APNs, Code signing, iTunes Connect, TestFlight).
We are looking for passionate engineers and developers who are excited to be part of this mission and wanting to prove themselves and ready to take up the challenge to enhance the social world experience.
Responsibilities :
⦁ Develop our mobile app using Google's Flutter development framework with modular approach and clean code.
⦁ Write efficient Dart code.
⦁ Integrate API.
⦁ Brainstorm the ideas about new features with the team.
⦁ Closely work with the team to bring out cutting edge mobile experience.
⦁ Maintain source code using Git.
⦁ Focus on understanding customers' requirements and translating those needs from product specifications into functional, production-ready code.
Requirements :
⦁ Deep knowledge and Experience in Flutter and Dart (At Least an year).
⦁ Experience building and deploying a moderately complex Flutter app.
⦁ Knowledge of State Management Patterns(Bloc or Provider).
⦁ Familiarity with Design systems.
⦁ Familiarity with RESTful APIs.
⦁ Knowledge of modern authorization mechanisms.
⦁ Strong understanding of Dart, its quirks, and workarounds.
⦁ Good understanding of asynchronous request handling and partial page updates.
⦁ Knowledge of advanced Flutter Concepts like factory constructor, spread operators.
⦁ Proficient understanding of cross-platform compatibility.
⦁ Proficient understanding of code versioning tools such as Git.
⦁ Good understanding of UI rendering behavior and performance.
⦁ Experience in creating animations in Flutter.
⦁ Knowledge of Location Services, Maps, and other common Android/IOS libraries.
Good to have:
⦁ Experience of programming in Android and iOS is a big plus.
⦁ Experience in publishing Flutter apps on the Play Store and Apple App Store is a plus.
⦁ Data Modelling and Knowledge of Domain Driven Design is good to have.
Are you ready for the challenge?
Let's grow together!
Job Brief
We are looking for a Sr. Android developer with 6+ years of experience who will be responsible for the development and maintenance of applications aimed at a vast number of diverse Android devices. Your primary focus will be the development of Android 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, commitment to collaborative problem solving, sophisticated design, and creating quality products is essential.
Main Responsibilities of an Android Developer
Your responsibilities will include:
-
Writing clean and efficient codes for Android applications.
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Monitoring the performance of live apps and work on optimizing them at the code level.
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Identifying and resolving bottlenecks, rectifying bugs, and enhancing application performance.
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Performing unit and instrumentation tests on code.
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Collaborating with cross-functional teams to define and design new features.
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Staying up to date with new mobile technology trends, applications, and protocols.
Key Requirements
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Degree in Computer Science, Engineering, or equivalent field.
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You have prior experience as an Android Developer using Kotlin, Java, and Android SDK and Android NDK will be a plus but not compulsory.
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The candidate should have experience in publishing applications on the Google Play store.
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Proven work experience in design patterns mobile architecture using frameworks such as MVVM/MVC/MVP.
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Familiarity with RESTful APIs to effectively integrate Android applications.
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Proficient understanding of code versioning tools such as Git.
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Familiarity with various testing tools.
Your passion and interest in your work is the key to success for you, so if you are looking for your dream place where you can show up and enjoy your work then we could be the right match for each other, so let's connect to be the part of the amazing journey to do something innovative.
React Native Job Description
- Work as part of a small team to build React Native iOS / Android applications for clients.
- Architect, build, and maintain excellent React Native applications with clean code.
- Implement pixel-perfect UI's that match designs.
- Implement clean, modern, smooth animations and transitions that provide an excellent user experience.
- Integrate third-party APIs.
- Write unit and integration tests.
- Release applications to the Apple and Google Play stores.
- Work with native modules when required.
- Work as part of a small team of a software developers.
- Complete weekly sprints, and participate in sprint retrospectives and daily standups.
- Assist with building estimates.
- Work with modern tools including Jira, Slack, GitHub, Google Docs, etc.
- Be part of a community of React Native developers who share knowledge and help each other as problems arise.
- Follow the software development process.
Requirements
- 2+ years of professional experience working with React Native.
- 4+ years of professional software development experience.
- Experience working with Swift, Objective C, and Java a plus but not required.
- Meaningful experience working on large, complex systems.
- Ability to take extreme ownership over your work. Every day is a challenge to ensure you are performing to the expectations you and your team have agreed upon, both in regards to estimates and to the general process.
- Ability to identify with the goals of clients and dedicate yourself to delivering on the commitments you and your team make to them.
- An understanding of React Native best practices and a commitment to following them.
- Ability to work through new and difficult React Native issues and contribute to libraries as needed.
- Ability to create and maintain continuous integration and delivery of React Native applications.
- A positive mindset and can-do attitude.
- A passion for software development. It’s not just your career, it’s also your hobby. You’re constantly striving to learn new things and improve. You follow industry news, regularly tinker with new technologies, and read books and blogs to keep your skills current.
- You work well within a team environment and enjoy working in the office with your colleagues.
We are looking for a person that is a skilled full-stack iOS mobile app developer, is fun and inspiring to work with, and is passionate about our mission. There are a lot of opportunities to further develop your own skills through future enhancements. Experience in the respective profile is required but the willingness to learn in a fast-paced environment is a must.










