
React Native Developer
at Online trading platform well funded and rapidly growing
Our client's Mobile app has been downloaded by more than 15 million users. Daily, more
than a million users login to the application. As a fast growing company, we are
preparing for a future of tremendous growth and disruption in finance. We are looking
for a React Native developer (SDE2) interested in building performant mobile apps on
both the iOS and Android platforms. The incumbent will be responsible for architecting
and building the applications, as well as coordinating with the teams responsible for
other layers of the product infrastructure. Building a product is a highly collaborative
effort, and as such, a strong team player with a commitment to perfection is required.
● Leverage native APIs for deep integrations with both platforms.
● Diagnose and fix bugs and performance bottlenecks for performance that
feels native.
● Reach out to the open-source community to encourage and help implement
mission-critical software fixes — React Native moves fast and often breaks
things.
● Maintain code and write automated tests to ensure the product is of the
highest quality.
● Participating in SDLC processes streamlining, POC development, Functional
Estimation, Performance Tuning, Environments setup, etc.
● Adherence and promoting best development practices that ensure high
quality
● Ability mentor junior developers and actively contribute to code reviews and
improve the code base for scale and maintainability
● Hands-on experience in Android/iOS app development via React-Native
● Experience in Build systems and Deployment processes
● Experience in writing unit testing code with libraries like Jest, Enzyme , Jasmine, Mocha, etc.
● Excellent problem solving, debugging, and troubleshooting skills.
● An avid follower of the best practices, optimization strategies, and design patterns
● Knowledge of RN available inbuilt UI components and the props those UI components accept.
● Good knowledge of monitoring and tracking down app crashes and bugs using advanced tools
● Experience in profiling tools in Xcode and Android Studio
● Experience in 3rd party services integration
● Knowledge of architectures, trends and emerging technologies

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About Poshmark
Poshmark is a leading fashion resale marketplace powered by a vibrant, highly engaged community of buyers and sellers and real-time social experiences. Designed to make online selling fun, more social and easier than ever, Poshmark empowers its sellers to turn their closet into a thriving business and share their style with the world. Since its founding in 2011, Poshmark has grown its community to over 130 million users and generated over $10 billion in GMV, helping sellers realize billions in earnings, delighting buyers with deals and one-of-a-kind items, and building a more sustainable future for fashion. For more information, please visit www.poshmark.com, and for company news, visit newsroom.poshmark.com.
Poshmark is looking for a talented and creative Senior Software Engineer, Android. If you are someone who loves creating mobile applications that have a simple user interface and solid code, and are passionate about developing new user experiences, solving difficult problems, and creating delightful solutions, this is a perfect job for you! You have the unique opportunity to play a critical part in defining and building the perfect experience for millions, developing scalable, well-designed software that enhances people’s lives globally. Join our world-class team and help build the future of Poshmark.
Role Specification
This position is a full-time role located in Chennai, India.
Responsibilities
- Architect, build, iterate, and manage our Android mobile application.
- Able to own and deliver a feature independently.
- Partner closely with our design, product, and engineering teams to produce a feature that flows seamlessly and works intuitively.
- Able to understand the requirements and come up with estimates, write high quality, maintainable and unit-testable code.
- Own important pieces of the product that have high visibility both internally and externally.
6-Month Accomplishments
- Get familiar with Poshmark’s ecosystem and tools
- Contributing to Poshmark’s Android feature development
- Have a good collaboration within the team. Also, with other teams like Product, Design, QA, DevOps
- Should participate in technical discussions, code reviews, and provide valuable inputs to other Team members.
12+ Month Accomplishments
- Drive feature development independently
- Provide ideas/changes to improve Android application code.
- Mentor a fellow developer.
Desired Skills & Experience
- Strong foundation in the fundamentals of programming, data structures, algorithms, and software design optimized for mobile systems.
- 4+ years of relevant SWE experience with experience developing Android apps (Preferably, apps released into the Play Store)
- Experience in Kotlin, Java and using Android Studio.
- Experience in using software design patterns. (MVVM)
- Proficiency in Multi-threading and performance & memory optimization
- Experience in writing unit test cases.
- Excellent communication skills and ability to work cross-functionally.
- Experience in using RESTful APIs
- Proficient understanding of code versioning tools, such as Git
Responsibilities:
Ensure product delivery is fast, low-cost and sustainable.
Take responsibility from development to customer support.
Research and implement things wherever needed, improve efficiency using
automation, and methods like test driven development.
Setting up events for user, performance and error analytics.
Participate in product and design ideation, collaborate with the team to
implement high-quality features.
Skills & Qualifications
2 years of experience in software development preferably B2C experience.
Experience in React native, Javascript.
Experience with popular React workflows (such as Flux or Redux).
Familiarity with newer specifications of ECMAScript (ES6 & ES5 ).
Familiarity with RESTful APIs.
Experience in working with the MERN stack or similar frameworks
### Responsibilities:
* Collaborative Development:
- Work closely with Product, UX/UI, and Backend teams to design, build and extend consumer facing products, platforms, and features.
* Reusable Components:
- Develop reusable iOS software components for our platform, ensuring modularity and maintainability.
* Continuous Integration and Delivery:
- Collaborate with QA to implement CI/CD pipelines for automated and manual testing, ensuring app releases maintain high standards.
* Performance Monitoring:
- Monitor the performance of live apps, continuously improving code quality and user experience.
* Innovation and Evaluation:
- Stay updated with new mobile methodologies and technologies, evaluating their potential integration into our development process.
### Requirements:
* Proven Experience:
- Demonstrated experience in developing mobile applications, specifically on the iOS platform using Swift.
* Modern Development Practices:
- Up-to-date knowledge of modern iOS programming paradigms and experience with native app development.
* API and SDK Expertise:
- Experience in API design, SDK architecture, and the mobile software lifecycle development practices.
* UX/UI Design:
- Strong exposure to UX/UI design with experience in creating intuitive apps with pixel-perfect interfaces.
* Computer Science Fundamentals:
- Solid understanding of algorithms and data structures.
* Methodologies:
- Familiarity with SDLC and Agile methodologies.
* Startup Experience:
- Prior experience working in a startup environment is a plus.
The desired candidate is required to build and maintain scalable mobile applications.
your responsibilities will vary frequently. You will wear multiple hats and will work with
many different technologies. You might have to talk to clients directly, and you have an
active say in the direction of our product. We want someone who is passionate about
working in this type of environment!
What you’ll do
● Be an active contributor to the team to plan, design, and build solutions for our mobile
platform.
● Work closely with the founders to decide the direction of the product
● You will collaborate closely with other engineers of the team and lend help in your
areas of expertise.
● Implement UI for mobile app.
● Bind our business layer with the SDK.
● Deliver maintainable and high-quality code
● Work in an environment that supports your individual growth.
● Ensure that our customer’s experience is the very best it can be. You might have to
interact with the dev team of our initial clients.
Who you are
● You are intensely curious and passionate about the prospect of diving deep into
multiple technologies, platforms, and problem spaces, even if they are currently
unfamiliar.
● You embrace uncertainty. Our space is a rapidly growing one and specifications are
continuously changing.
● You are experienced with modern React Native coding, testing, debugging and have
built at least 1 production-ready app.
● You care about the user experience and you know how to build user-friendly mobile
applications.
● You have a working understanding of object-oriented and functional programming
paradigms.
● You have experience with continuous integration. Experience with AWS is a bonus.
● Experience with WebRTC, iOS, Android, or C++ development is a bonus.
● A degree in Computer Science or a similar area is a bonus.
Job Description:
We are looking for a React Native developer interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.
Responsibilities:
- 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.
- Reach out to the open source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.
- Maintain code and write automated tests to ensure the product is of the highest quality.
- Transition existing React web apps to React Native
Qualification:
- Good knowledge about React/React Native
- Should be aware about state management library Redux
- Must have knowledge of es6+
- 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, Gradle
- Good to have knowledge about writing test cases
- Good to have knowledge about typescript
- Preferred if there is at least one app on play store
Benefits: Work from home
Experience: 2 – 4 years (Preferred)
work from office
Ahmedabad location
walking interviews
Saturday interview
• Build custom packages in Flutter using the functionalities and APIs already available in native Android and IOS.
• Translate and Build the designs and Wireframes into high-quality responsive UI code.
• Write efficient queries for core Data.
• Use of Model-View-Controller ( MVC) and Model-View-ViewModel-Controller (MVVM) as it relates to designing, developing architecture and developing maintainable, testable and functional software that meets product requirements.
• Explore possible architectures for implementing new features.
• Resolve any problems existing in the system and suggest and add new features in the complete system.
• Suggest space and time-efficient Data Structures.
• Follow the best practices while developing the app and also keeping everything structured and well documented.
• Use CI/CD for smooth deployment.
• Document the project and code efficiently.
• Manage the code and project on Git in order to keep in sync with other team members and managers.
• Communicate with the Project Manager regarding the status of projects and suggest appropriate deadlines for new functionalities.
• Ensure security guidelines are always followed while developing the app.
• Validate the cloud system to ensure any new changes do not compromise the security of the backend server.
• Suggest new features and/or enhancements.
• Consulting with our customer-facing representatives about software system design and maintenance.
• Interact with the Clinical Specialists and Product Manager to help understand end-user feedback. • Maintaining software through product lifecycle including design, development, verification and bug fixes.
• Connect regularly with the Quality Assurance Specialist to deliver a stable app.
• Resolve all the bugs reported by the Quality Assurance Specialist in a timely manner. • Perform time profiling and memory leaks assessment.
• Execute app verification protocol.
• Write tests for the App.
• Following company policies and quality procedures to ensure quality product deliverables.
Requirements: Must Have:
• Flutter: To build cross-platform mobile apps for Android, IOS and Web.
This should include from making responsive UIs to efficiently query data and also manage states in an optimized manner.
• Native Android and IOS: To build custom Flutter Packages.
• Firebase: Should have experience with Cloud Firestore, Push Notifications, Cloud Functions and Analytics.
• Adobe XD: Should know how to use Adobe XD to use the design file and use it to build the app.
• Git: To manage and collaborate in different projects with the rest of the team.
Good To Have: • Angular • Bootstrap • JavaScript
Ideal Candidate Profile
- Strong grasp of computer science fundamentals and excellent problem-solving skills.
- Good understanding of software engineering practices, Data Structures & Algorithms.
- Solid programming skills in Java/Kotlin.
- Good communication skills.
- Strong sense of ownership and accountability.
- Experience in Reactive programming, Asynchronous programming and Unit Testing will be an added advantage.
- 3+ years of experience in product driven organization.
- A Bachelors or master’s degree in engineering from a reputed institute (preferably IITs, NITs, or other top engineering institutes)







