
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 and maintain applications to the Apple 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 two-week sprints, and participate in sprint retrospectives and daily
standups.
Assist with building estimates.
Interface with clients via Slack, Zoom, and email.
Work with modern tools including Jira, Slack, GitHub, Google Docs, etc.
Requirements
· 3-5 years of professional experience working with React Native.
· 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 regard to estimates and to the general process.
· Ability to identify with the goals of Semidot 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.
· A positive mindset and can-do attitude.
· Forensic attention to detail.
· English skills is a plus(ability to effectively communicate via written and
spoken english).
· 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.

About Planet Spark
About
PlanetSpark is on its journey to becoming the global leader in the large and untapped communication skills segment. We are Series A funded by some top VCs and are on a 30% month-on-month growth curve. We have our footprint in India, the Middle East, North America, and Australia. Come join a passionate team of over 500 young and energetic members and 400+ expert and handpicked teachers on this roller coaster ride to build the most loved brand for kids who will move the world!
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Required Qualifications:
- Bachelor’s or Master’s degree in Electronics Engineering, Computer Engineering, Computer Science, or a related field.
- 5+ years of experience in developing test frameworks and automation for Android-based infotainment systems.
- Minimum 2+ years of C++ development experience with exposure to Android’s HAL.
- Proficiency in programming languages such as Java, C++, and Python.
- 1+ years of experience in Android application development.
- Strong understanding of Android Automotive System and Android Framework.
- In-depth knowledge of different Android components, including Services, Activities, Broadcast Receivers, and Content Providers.
- Strong understanding of embedded systems architecture and RTOS concepts.
- Familiarity with hardware interfaces such as I2C, SPI, UART, CAN, etc.
- Experience with version control systems (e.g., Git), CI/CD tools (e.g., Jenkins, GitLab CI), and project management tools (e.g., JIRA).
- Excellent problem-solving and debugging skills.
- Mentoring skills to support and guide less experienced team members.
- Excellent communication skills for effective interaction with stakeholders and clients.
Job Overview:
Now, we are seeking a skilled Kotlin Developer with around 2+ years of experience to join our team. The ideal candidate will be responsible for developing and maintaining high-performance Kotlin-based applications while ensuring best practices in architecture, security, and performance optimization.This is your chance to make an impact, and we’re here for it.
Key Responsibilities:
● Develop, enhance, and maintain Kotlin-based applications.
● Work with local databases such as Room, SQLite, and Realm for efficient data storage.
● Integrate API services using Ktor, Retrofit, and OkHttp for RESTful and GraphQL-based communications.
● Implement Kotlin Coroutines & Flow for asynchronous programming.
● Follow Clean Architecture and MVVM/MVI principles for scalable and maintainable code.
● Optimize application performance, security, and responsiveness. Write and maintain unit and integration tests to ensure application stability.
● Stay updated with Kotlin, Jetpack components, and the latest industry best practices.
What We're Looking For:
● 2+ years of experience in Kotlin development (Android or KMM).
● Strong knowledge of local database management (Room, SQLite, Realm, or SQLCipher).
● Expertise in API service integration using Ktor, Retrofit, or OkHttp.
● Hands-on experience with Kotlin Coroutines & Flow for efficient asynchronous programming.
● Strong understanding of Jetpack components (LiveData, ViewModel, Navigation, WorkManager, etc.).
● Experience in designing applications following Clean Architecture, MVVM, or MVI patterns.
● Knowledge of dependency injection frameworks like Dagger/Hilt or Koin.
● Proficiency in version control systems (Git) and platforms like GitHub, GitLab, or Bitbucket.
● Experience with unit testing using JUnit, MockK, or Espresso.
● Understanding of performance optimization techniques for Kotlin applications.
Basic requirements
1. Good understanding of react and react native.
2. Best practices in react along with knowledge of functional components.
3. Good understanding of hooks and other react patterns.
4. Solid understanding of basic programming concepts and data structures.
5. Experience with global state management like redux and context.
6. Using 3rd party libraries for rest api and other standard procedures.
7. Have experience writing react native code with typescript.
Good to have skills
1. Have worked on media intensive apps (video, images and audio).
2. Have experience with building high quality reusable custom components.
3. Experience with animation libraries like animated or reanimated.
4. Have a good understanding of TypeScript classes, interfaces, generic types,
and other typing patterns in TypeScript.
5. Experience with building and deploying apps to iOS App store/Google Play.
6. Have previous experience of working with firebase.
7. Have an eye for creating pixel perfect design with optimised animations.
8. Experience of working with realtime systems like socket.io
9. Fair understanding of how react native/native apps work under the hood and
how React ecosystem sits on top of native app architecture.
10.bonus points if you have previous experience with native android /iOS
development.
11. Double bonus points if you have created native bridges for android and iOS in
react native before.
Other required qualifications
1. Minimum 1.5-2 years of relevant experience developing React applications.
2. Proven ability to work alone and with teams in a dynamic, multicultural
environment.
3. Strong oral and written communication skills in English.
4. Good understanding of documentation and able to write documentation of
given tasks.
5. Understand Agile base deployment process, take full responsibility for a given
task, and dedicatedly work based on given timeliness
6. Ability and interest in sharing knowledge, mentoring others, presenting work,
and reviewing the work of others.
Location: Bangalore
Our Vision:
Company is building a first-of-its-kind, lifestyle health product for Women in India. We believe that the future of health and fitness is digital, and women will drive the digital fitness revolution in India. Existing digital health and fitness products are highly transactional and we see a huge opportunity to build a truly aspirational product that will
inspire and empower millions of women to lead healthier lives. If you are passionate about building a product that blends together technology, content, and community, we would love to talk to you.
Requirement:
Company is looking for results-oriented Engineers. An ideal candidate for us would be a passionate builder of great products/frameworks and someone who would thrive in a fast-paced environment and enjoy the challenge of complex business contexts that are typically being defined in real-time. In this role, you will be responsible for building world-class technology products and platforms that are at the forefront of the technology revolution in the Indian healthcare
ecosystem. You are someone who insists on the highest standards for quality, maintainability, and performance. You will be working in a fast-paced and agile work environment delivering quality solutions that have an immediate business impact.
Responsibilities:
- Design and build highly reliable and performant applications that deliver a great user
experience.
- Own large technical deliverables and execute in a structured manner.
- Take the accountability of the overall health of the applications you build.
- Platformize components as libraries, utilities and promote reuse.
- Be able to conceptualize and develop prototypes quickly.
- Lead by example, mentor and guide team members on everything from structured
problem solving to development of best practices.
What we are looking for:
- Deep expertise of the iOS and Android ecosystems.
- Hands-on experience with either React Native, Flutter, Swift or Kotlin.
- Deep understanding of your tools: Languages, frameworks, systems.
- Experience with abstracting requirements into frameworks.
- Hungry to learn, share knowledge, and enjoy mentoring others.
- Data driven, having customer empathy, striving to build stable, delightful
applications.
- [Optional, but desired] Experience with video streaming and Real Time
Communication technologies.
As a Flutter Developer, you will be responsible for designing and developing high-quality mobile applications using the Flutter framework. Your primary focus will be on creating elegant, performant, and responsive user interfaces (UIs) that deliver a seamless user experience across multiple platforms. You will collaborate with a team of software engineers, designers, and product managers to transform requirements into fully functional mobile applications.
Key Responsibilities:
- Develop mobile applications using Flutter framework and Dart programming language.
- Design and implement user-friendly, responsive UI components and screens.
- Collaborate with cross-functional teams to gather and analyse requirements, and translate them into technical specifications.
- Write clean, maintainable, and efficient code following industry best practices and coding standards.
- Optimise application performance for various devices and screen sizes.
- Conduct thorough testing and debugging to identify and fix issues, ensuring high-quality deliverables.
- Integrate RESTful APIs, third-party libraries, and services to enhance application functionality.
- Stay up-to-date with the latest trends and advancements in mobile application development and Flutter framework.
- Continuously improve development processes, tools, and methodologies to enhance productivity and efficiency.
- Collaborate with designers and product managers to refine and iterate on application designs and user experiences.
Qualifications and Skills:
- Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent work experience).
- Proven experience in developing mobile applications using the Flutter framework.
- Strong proficiency in Dart programming language and object-oriented design principles.
- Solid understanding of mobile app architecture patterns (such as MVVM or Redux) and state management solutions.
- Proficiency in UI/UX design principles and the ability to create visually appealing and intuitive interfaces.
- Familiarity with RESTful APIs and integration of third-party libraries and services.
- Experience with version control systems (e.g., Git) and agile development methodologies.
- Strong problem-solving and debugging skills to identify and resolve application issues.
- Excellent communication and collaboration abilities to work effectively in a team environment.
- Self-motivated with a passion for staying updated on emerging technologies and trends in mobile app development.
Preferred Qualifications:
- Experience in developing cross-platform mobile applications for iOS and Android using Flutter.
- Knowledge of native mobile development (Swift, Kotlin) and familiarity with platform-specific APIs and features.
- Familiarity with backend technologies and server-side development (e.g., Node.js, Firebase, or GraphQL).
- Understanding of software testing methodologies and automated testing frameworks.
- Contributions to open-source projects or personal app development portfolio.
- Experience in integrating with various SDKs like Swift
- Significant experience working with react native along with tools like Flux, Flow, Redux, etc.
- In-depth knowledge of JavaScript, CSS, HTML, functional programming, and front-end languages
- Strong knowledge of React fundamentals such as Virtual DOM, component lifecycle, and component state
- A complete understanding of the full mobile app development lifecycle right from prototyping
- Knowledge of type checking, unit testing, typescript, prop types, and code debugging
- Experience working with REST APIs, document request models, offline storage, and third-party libraries
- Strong understanding of web technologies like JavaScript, HTML, and CSS
- Knowledge of user interface design and responsive designs
- Well-versed in a variety of React Native software and technologies such as Jest, Enzyme, ESLint, and so on
- Understanding of React Native best principles and design aesthetics
- A positive mindset and continuous-learning attitude
- A collaborative approach to building apps and solving complex problems
- Attention to detail and problem-solving skills
- Client-focused approach to create user-centric designs
- Good interpersonal and collaboration skills
- Ability to write clean, well-documented code that follows good coding practices
- Good in Agile development process.
- Excellent English verbal and communication skills.
- Should be able to handle the customer individually as needed
- Support the customer as and when required
- Collaborating with cross-functional teams to define, design, and ship new features
- Working with outside data sources and APIs
- Unit-testing code for robustness, including edge cases, usability, and general reliability.
- Working on bug fixing and improving application performance.
- Continuously discovering, evaluating, and implementing new technologies to maximize development efficiency.
Candidate Profile:
- B.E. / B.Tech. / MCA in Computer Science, Engineering, or related fields is required.
- Proven software development experience and Android skills development
- Proven working experience in Android app development and have published at least one original Android app.
- Experience with Android SDK
- Experience working with remote data via REST and JSON
- Experience with third-party libraries and APIs
- Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
- Solid understanding of the full mobile development life cycle.
• Design and build applications for Android.
• Evaluate, architect solutions which work at scale.
• Bring best practices to the team, improve processes and bring efficiency to the workflow.
• Identify and execute tooling required to rid of the repeating/manual work.
• Take ownership, responsibility and deliver first class experience.
• Ensure the performance, quality, and responsiveness of the application.
• Collaborate with a team to define, design, and ship new features.
• Improve code review, code coverage for the project.
• Identify and correct bottlenecks and fix bugs in order to maintain code quality.
• Show leadership and focus on completion of projects.
What do we expect from you?
• Relevant industry experience of 5-plus years.
• Proficient in Data Structure and Algorithms
• Proficient in Java, Kotlin and concepts like Kotlin coroutines, Jetpack components.
• Good understanding of various Android tools, Systrace and Perfetto for performance measuring, memory management, battery, frame drops.
• Always on the lookout for new developments in the Android world and improving things.
• Familiarity with networking, databases, threading and memory concepts.
• Hands-on with code reusability, clean architecture, modularization, build time optimizations.
• Familiar with various third-party tools, libraries widely used and under the hood understanding.
• Understanding and hands-on with Material design principles and interface guidelines.
• Familiarity with cloud message APIs and push notifications.
• Proficient understanding of code versioning tools such as Git.
• Decent understanding of how things work at the backend, reporting and other systems.
• Good understanding of the various CI/CD tools.
• Should have experience in writing Unit and UI tests.
• Good at logical reasoning and data structure.
Tatsam is a stealth mode, venture-backed mental healthcare company based in India.
We're redesigning mental health and wellness experiences for the modern day working professional, have raised angel round from top-tier investors, and signed some of the largest Indian enterprises and startups for the upcoming private beta launch… and we’re just getting started.
The startup is led by a team of CXOs who are serial entrepreneurs (YC alumni, IIT alumni, CXO in large enterprises). They are supported by a team of behavioral design experts, clinicians and counsellors with vast experience, and technologists on a mission to improve mental health and wellbeing for the modern day working professional.
RESPONSIBILITIES:
- Developing app using Flutter for both Android & iOS platforms.
- Writing quality code independently that is simple, reliable, and scalable.
- Evaluating and implementing out-of-the-box ideas for application development.
- Working with the team to manage, optimize, and customize multiple applications.
- Detecting and troubleshooting application issues.
REQUIREMENTS:
- Must have 2+ years of experience in native mobile development (Android / iOS).
- Must have 1+ years of experience in Flutter.Should have worked and successfully deployed apps using Flutter framework.
- Good knowledge of Flutter SDK & Dart programming language.
- Should have worked on mobile platforms like Android or iOS.
- Should have developed & worked with Flutter widgets for iOS & AndroidExperience with any of the state management solutions like Bloc, Provider, Mobx, etc.
- Mobile app architecture design and optimization.Extreme attention to detail and the ability to match the design as closely as possible.
- Ability to work closely with Product Managers, other development team members.
- Understanding of Functional Reactive Programming is a must.
- Comfortable with Test-Driven Development.
The Opportunity
You will enter a close group of exceptionally talented people who in the last 2-months have secured incredible investors, partners, clients and advocates. We will continue this momentum till our vision of being able to provide good mental health and wellbeing avenues for the modern day professionals is achieved. If we like each other and agree to partner in this journey, this has the potential of resulting in a compounded career and mental growth for you.
| JD: |
| Excellent knowledge and experience with React Native |
| Extensive, hands-on experience with modern application development incl. application lifecycle, asynchronous server communication, and UI components |
| Experience with State Management Libraries like MobX or Redux |
| Experience with architecture and implementing component based UI frameworks and design systems |
| Experience with consuming REST APIs |
| Firm grasp of the JavaScript/TypeScript language |
| Ability to write well-documented, clean Javascript code |
| Rock solid at working with third-party dependencies and debugging dependency conflicts |
| Familiarity with native build tools, like XCode, Android Studio |
| Should able to design responsive UI |
| Ability to work with Git |
| Experience working with Swift, Objective C, and Java a plus |








