
Diagnal Technologies is a fully owned subsidiary of Diagnal Inc, Hong Kong. It’s a product company focusing on media and entertainment clients, creating Video on Demand apps for their customers. We are a team of OTT video solution specialists helping our customers build the new digital media industry in Asia Pacific and beyond. We create viable revenue generating video streaming products, enable our customers to gain business and operational insights through big data analytics and empower them to engage with their users more effectively through targeted marketing campaigns. Started its Development Center in Technopark Phase III campus and focusing on Indian and International clients.
Position: Senior Android Developer
Must have skills-Kotlin, MVVM architecture, Dependency Injection(Dagger/KOIN)
Job Description
You have:
- 1-3 years of experience of Android development in a project services or product engineering organisation
- Experience with developing highly polished consumer facing user interfaces with smooth interactivity
- Published applications on the Google Play Store
- Self motivation and ability to manage your own time to get the job done at the high international quality levels we expect
- An engineering Degree in computer science or equivalent practical experience
- A solid understanding of operating system fundamentals, application performance optimisation and backend integration

About Diagnal Technologies
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Responsibilities
1. Cross-Platform Mobile Development
- Build, maintain, and scale production-grade React Native applications for both Android and iOS platforms from a single codebase.
- Translate product requirements and UX designs into clean, modular, and reusable React Native components.
- Develop rich, intuitive user interfaces for AI/ML dashboards, real-time analytics, and consumer-facing applications.
- Own features end-to-end — from technical design through to deployment on Play Store and App Store.
2. Native Integration & Bridging
- Write custom native modules and bridges in Kotlin/Java (Android) or Swift/Objective-C (iOS) to extend React Native's capabilities where required.
- Integrate third-party SDKs, device hardware APIs, and platform-specific features seamlessly into the React Native layer.
- Ensure consistent functionality and behaviour across a wide range of Android and iOS devices and OS versions.
3. Real-Time & Data-Driven UI
- Build real-time UI components that handle live data streams, WebSocket connections, and high-frequency data updates with minimal latency.
- Develop data-intensive views including charts, dashboards, and monitoring interfaces optimised for mobile performance.
- Ensure smooth, responsive user experiences under high-traffic and data-heavy conditions.
4. Performance & Optimization
- Profile, debug, and optimize application performance using tools such as Flipper, Hermes, React DevTools, and platform-native profilers.
- Minimize app bundle size, reduce render cycles, and improve startup time through best-in-class optimization techniques.
- Ensure accessibility compliance and cross-device UI consistency across varying screen sizes and resolutions.
5. Architecture & Code Quality
- Design and implement scalable mobile architectures supporting modularity, testability, and long-term maintainability.
- Implement robust state management using Redux, Zustand, MobX, or React Context depending on application complexity.
- Establish and uphold mobile coding standards, component libraries, and reusable design systems across the team.
6. Collaboration & Delivery
- Partner closely with backend, AI/ML, data engineering, and design teams to integrate APIs, data pipelines, and workflows.
- Actively participate in code reviews, sprint ceremonies, and technical design discussions.
- Support CI/CD pipelines using Fastlane, Bitrise, or equivalent tools for automated builds and releases.
- Contribute to OTA update strategies using CodePush or equivalent.
Required Skills & Qualifications
- Strong hands-on experience building and shipping production React Native applications on both Android and iOS.
- Proficiency in JavaScript and TypeScript — TypeScript strongly preferred.
- Experience with state management libraries — Redux, Zustand, MobX, or Context API.
- Solid understanding of React Native architecture — Bridge, JSI, Hermes engine, and the New Architecture (Fabric/TurboModules) is a plus.
- Experience writing native modules or bridges in either Kotlin/Java or Swift/Objective-C.
- Hands-on experience with REST APIs, GraphQL, and WebSockets in a mobile context.
- Strong understanding of mobile UI/UX principles, responsive design, and platform-specific design guidelines (Material Design & HIG).
- Experience with CI/CD pipelines and app store deployment processes.
Preferred Skills
- Experience building data-intensive or dashboard-heavy mobile applications.
- Familiarity with data visualization libraries such as Victory Native, Recharts, or D3.js for mobile.
- Exposure to AR/VR or graphics-intensive mobile experiences (ARKit, ARCore, React Native Vision Camera).
- Experience with OTA updates via CodePush or similar tools.
- Familiarity with monorepo setups (Nx, Turborepo) for managing shared mobile codebases.
- Understanding of accessibility standards (WCAG) and inclusive design on mobile.
- Exposure to AI/ML integration on mobile — on-device inference, TensorFlow Lite, or CoreML.
Job brief
We are looking for a qualified Mobile developer to join our Engineering team. You will be working with our engineers to develop and maintain high-quality mobile applications.
If you’re passionate about mobile platforms and translating code into user-friendly apps, we would like to meet you. As a Mobile developer, you’ll collaborate with internal teams to develop functional mobile applications, while working in a fast-paced environment.
Ultimately, you should be able to design and build the next generation of our mobile applications.
Responsibilities
- Support the entire application lifecycle (concept, design, test, release, and support)
- Produce fully functional mobile applications writing clean code
- Gather specific requirements and suggest solutions
- Write unit and UI tests to identify malfunctions
- Troubleshoot and debug to optimize performance
- Design interfaces to improve user experience
- Liaise with the Product development team to plan new features
- Ensure new and legacy applications meet quality standards
- Research and suggest new mobile products, applications, and protocols
- Stay up-to-date with new technology trends
Requirements and skills
- Proven work experience as a Mobile developer
- Demonstrable portfolio of released applications on the App store or the Android market
- In-depth knowledge of at least one programming language like Swift and Java
- Experience with third-party libraries and APIs
- Familiarity with OOP design principles
- Excellent analytical skills with a good problem-solving attitude
- Ability to perform in a team environment
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Job Title: |
Senior software Development Engineer |
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Department: |
Android - Technology |
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Based at: |
Bangalore |
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Reports to: |
Engineering Manager |
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Experience: |
2.5 years to 4 years |
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Required Qualification: |
B.tech from Top tier college |
Company Overview:
At Porter, we are passionate about improving productivity. We want to help businesses, large and small, optimize their last-mile operations and empower them to unleash the growth of their core functions. Last mile delivery logistics is one of the biggest and fastest growing sectors of the economy with a market cap upwards of 50 billion USD and a growth rate exceeding 15% CAGR.
Porter is the fastest growing leader in this sector with operations in major cities, a fleet size exceeding 1L registered and 50k active driver partners and a customer base with 3.5M being monthly active. Our industry-best technology platform has raised over 150 million USD from investors including Sequoia Capital, Kae Capital, Mahindra group, LGT Aspada, Tiger Global and Vitruvian Partners.
We are addressing a massive problem and going after a huge market. We’re trying to create a household name in transportation and our ambition is to disrupt all facets of supply chain. At Porter, we’re here to do the best work of our lives.
If you want to do the same and love the challenges and opportunities of a fast paced work environment, then we believe Porter is the right place for you.
Company URL: https://porter.in/">https://porter.in/
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Porter has multiple mobile apps used by our consumers - app used by our customers to place on-demand orders, app used by our drivers to service those orders, and app used by fleet owners to manage their vehicles on our platform. Each of these apps is frequently iterated over to improve functionality and experience. In such a fast paced environment, we expect our mobile developers to develop and maintain these complex apps with a heavy focus on code design to keep the code easily extensible and maintainable.
Responsibilities:
● Participate in the product life cycle to understand directly from the Product Team the expected behavior of the apps and the use cases being implemented. ● Participate in design discussions with heavy focus on modeling entities and interactions, following architectural patterns like MVP, MVVM, Clean Architecture, etc. ● Collaborate with cross-functional teams - backend teams for finalizing APIs, design team for UI / UX, QA team for testing, etc. ● Participate in iteration planning to give effort estimates. ● Write clean, readable, maintainable and performant code following well established design principles. ● Write Unit Tests and Integration Tests to ensure correctness. ● Track, debug and fix bugs & crashes escalated. ● Ensure the apps are performant - no memory leaks, no frame drops, battery usage, etc. ● Explore and evaluate new technologies, tools and SDKs as may be necessary to improve the entire development pipeline. ● Work with cross-platform technologies, like Kotlin Multiplatform, to ensure consistency of features and code reuse across Android / iOS platforms.
Technologies:
● Languages: Kotlin, Java, SQL ● Frameworks: RIBs, Kotlin Multiplatform, Spek ● Architectures: MVVM, MVP, Clean Architecture, etc ● Libraries: Kotlin Coroutines, RxJava, Dagger2, Ktor, Jetpack, etc ● Integrations: AWS services, Payment Gateways (Razorpay, etc), Google Maps, Firebase, etc Products & Systems Overview You will be contributing to products concerning both customers and partner drivers. ● Customer App:
● Partner App:
● Fleet Owner Apps:
Qualification Prerequisites
● Experience: >= 2 years in Android development ● Proficiency with Android framework and Kotlin. ● Experience in designing, writing and maintaining a large complex app code base. ● Experience with design patterns like MVP, MVVM, Clean Architecture, etc. ● Experience with reactive & asynchronous programming using RxJava / Coroutines / Flows |
Job responsibilities:
- Design and develop high-volume, low-latency applications for mission-critical systems, delivering high availability and performance
- Contribute in all phases of the development lifecycle: concept, design, build, deploy, test, release to app stores, and support.
- Diagnose performance issues, fix bugs (including crashes and ANRs) to increase the functionality of the application
- Write well-designed, testable, efficient code
- Ensure designs are in compliance with specifications
- Prepare and produce releases of software components
- Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
- Collaborate with team members (product managers, developers, designers) to brainstorm about new features and functionalities.
Desired Profile:
- Knowledge and experience in Flutter Framework and DART programming
- Hands-on experience in using RESTful APIs
- Hands-on experience in designing and developing micro-services architecture and containers
- Object-oriented analysis, UML, and design using common design patterns.
- Hands-on experience in the development IDE Android Studio, Android SDK, Firebase Test Lab
- Experience with offline storage, threading, and performance tuning
- Familiarity with push notifications
- Familiarity with IOS integration with Flutter
- Experience using GitHub or a similar environment
- Experience with Agile development is a plus
- Experience with Material Design and Android UI design principles, patterns, and best practices
- Good knowledge of adding third-party libraries
- Ability to understand business requirements and translate them into technical requirements
- Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
- A track record of delivering successful complex consumer product apps (finance apps, e-commerce apps)
- Critical thinker
- Knoweldge on Adobe XD/ Figma/ Sketch
- knowledge on GetX will be plus
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 API's.
Write unit and integration tests.
Release applications to IOS and Google Play stores.
Work with native modules when required.
Work as part of a small team, which will include other React Native developers, a project
manager, QA professional, and a designer.
Complete sprints and participate in sprint retrospectives and daily standups.
Assist with building estimates.
Interface with clients via Slack, Zoom, and email.
Track your time throughout the day using Toggle.
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 Full Stack's detailed development process
- A candidate with 2+ years of experience in building high-quality Android apps.
- A strong understanding of the full life cycle of app development.
- Experience in designing, developing, debugging and deploying software for server-side development using Java/ Kotlin language.
- Understanding and the sound of Android SDK, in different versions of Android, and how to effectively write code for a multitude of Android devices.
- Excellent knowledge of Android design principles and third-party libraries
- Experience in building RESTful API's focusing on integration with back-end services.
- Hands on experience with continuous integration.
- Passionate about Android and are always up to date with the latest industry trends concerning OS, devices, applications, web technologies and new user interactions as they are released.
- 3-5 years of experience in Native Android App development (Preferably for a B2C Product)
- Proficiency in various algorithms and data structures.
- Familiar with Kotlin/Java language, and experience with Object-Oriented Design.
- Strong experience with REST APIs, storage databases, Multi-threading, performance and memory tuning.
- Good knowledge of architectural patterns such as MVP and MVVM.
Roles & Responsibilities:
- Build and technically lead Android apps in terms of scale, performance, security, and design
- Actively participate in feature design
- Unit-test code for robustness, including edge cases, usability, and general reliability
- Take ownership of the features right from estimating timelines to Production release
- Carry out code reviews and mentor junior engineers
- Instill best practices from following MVP/MVVM patterns to using required Java design patterns within the application
- Understand the latest Android features and practices and lead the efforts towards its adoption within the team and across all mobile pods
- Follow SOPs of Agile methodologies & Sprint deliverables and drive the same within the team
Requisites / Prerequisites:
- Android Work Experience of between 3 to 5 years.
- BE/B.Tech from Tier 1 or Tier 2 institutions
- Strong understanding of Object Oriented Programming, data structures and design patterns
- Experience in developing B2C / B2B mobile applications
- Experience in memory management and in designing high-performance applications
- Strong Java, Design Patterns and OOPS knowledge and hands-on experience
- Experience in shipping applications through the Google play store
- Experienced in Android Material Design
- Basic SQL knowledge
- Experience in working with JUnits and other Unit Testing framework is a plus
- Experience in OpenGL and animations is a plus











