TUBR is working on Innovating Crowd Management on public transport. We are building the state of the art Time series Machine Learning Models to predict the crowds in public transport.
Job Description
We are looking for a React Native developer on a Full time contract basis, who is interested in building performant mobile app on both the iOS and Android platforms aligned with strong Agile Development methodologies. You will be responsible for 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 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
Skills
- Work as part of a small team to build React Native iOS / Android application
- 2+ years of experience in React Native development.
- Firm grasp of the JavaScript language and its nuances, including ES6+ syntax
- 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, Android Studio
- Understanding of REST APIs, the document request model, and offline storage
- Experience with automated testing suites.
- Bachelor’s degree in Computer Science or related fields
- We are looking for a someone who is happy to work in a team or solo but must be confident working independently. (The team will be available to support but pairing won’t always be an option)

About TUBR
About
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Responsibilities:
● Design and build advanced applications for the Android platform
● Collaborate with cross-team (developers, designers, product owners, QA) to define,
design, and ship new features.
● Prepare test plans, and test cases and execute/automate them.
● Write and review unit-test code for robustness, including edge cases, usability, and
general reliability
● Problem solve and determine out-of-the-box solutions for complex technical
requirements
● Work with fellow programmers, as well as the rest of the production team, as a lead
programmer and manager.
● Must have very strong problem-solving and analytical skills.
● Application of experience and knowledge to optimise game engine deployment for
virtual reality VR in terms of memory, frame rate and performance.
● Work with emerging technologies to create new tools and systems for interactive
real-time production.
● Ensure compliance with ride requirements, including performance benchmarks and
integration with third-party ride control systems.
● Produce clean, well-documented code and maintain internal engine builds, using
Perforce and other tools to distribute builds to the team.
● End-to-End mobile development life cycle from planning to publishing
Requirements:
● B.Tech/B.E degree in Computer Science, Engineering or a related subject
● 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
● Experienced in handling both legacy code and greenfield development and can make
technical recommendations based on the needs of the project
● Solid understanding of the full mobile development life cycle.
● Expert-level understanding of object-oriented programming, threading/concurrency,
unit testing, and modern architectural design
● Excellent source control discipline and are comfortable using git flow
● Experience in 3D engine development experience within the games industry is a plus
● Hands-on with Jetpack compose is a plus.
● Scrum, agile process and adherence
● Good project management skills are a plus
● Strong expertise in Kotlin and Java
● Knowledge of Swift and Fuller is a plus
Job Description-
We are looking for a React Native Lead 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.
Skills
Firm grasp of the JavaScript {{and TypeScript or ClojureScript}} language and its nuances, including ES6+ syntax Knowledge of {{functional or object-oriented}} programming 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 {{Android Studio, IntelliJ}} Understanding of REST APIs, the document request model, and offline storage Experience with automated testing suites, like {{Jest or Mocha}}
Role - Lead React Native Developer
Experience - 4+ years
Location - Bangalore
About the Company :-
Our client is a B2B2C tech Web3 startup founded by founders - IITB Graduates who are experienced in retail, ecommerce and fintech.
- Min 4-5 years of experience in Mobile application development
- Experience in React Native app development
- Firm grasp of the JavaScript and TypeScript language and its nuances, including ES6+ syntax
Follow best practices using Android Guidelines
- Knowledge of functional or object-oriented programming
- Technically strong in React-Redux/Mobx development and deep understanding of core mobile concepts such as lifecycle, UI, networking, caching, device features, etc
- Experiences with automated testing suites, like Jest or Mocha
- Experience integrating third-party frameworks. Worked with logging and capturing user navigation and app usage to Analytics and Crashlytics for understanding the most used features by users.
- Knowledge of mobile security and cryptography is an advantage.
- Good working knowledge of tools such as Git, JIRA, Jenkins, or any tools that are similar to these.
- Experience with agile methodology is preferred
- Good communication skills
- Good knowledge of app telemetry integration & app performance management
- Have published at least 2 React Native apps on Play Store & App Store.
- Implement robust app architectures and complex user interfaces
- Component Design and coding new features. includes unit tests, debugs, and solves defects
- Component Design/Coding/Unit Testing/Debugging
- Responsible for designing app architecture and integration design to various external systems (APIs, 3rd Party SDK)
- Follow best practices using React Native Guidelines
- Understand reacting design patterns like HOC, Render Props, and their applications.
- Good understanding of atomic design principles
- Experience with CSS-in-js / styled-components
- Good understanding of Android & iOS working principles, Release process
- Ability to multi-task under pressure and work independently with minimal supervision
- Work on high-performance consumer-facing apps
- Understanding the nature of asynchronous programming and its quirks and workarounds.
- Good understanding of server-side templating languages (such as jade, EJS, and pug).
- Creating database schemas that represent and support business processes.
- Implementing automated testing platforms and unit tests.
- Basic understanding of front-end technologies, such as HTML5, SCSS, and CSS3.
- Ability to make recommendations on UI design and UX best practices.
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.
We are looking for a Senior React Native Mobile App 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
Skills
- Firm grasp of the JavaScript and TypeScript or ClojureScript language and its nuances, including ES6+ syntax
- Knowledge of object-oriented programming
- 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, Android Studio, IntelliJ
- Understanding of REST APIs, the document request model, and offline storage
- Experiences with automated testing suites, like Jest or Mocha
About Create Protocol
CREATE PROTOCOL is a creator-focussed blockchain platform, built on Create’s optimized multi-chain NFT protocol. We are focused on building decentralized applications with creator focussed tools, to empower the creator economy and bring a CREATE TO EARN revolution.
We also have plans to launch decentralized finance solutions along with a CREATE TOKEN to govern the ecosystem.
CREATE PROTOCOL will be a creator platform owned by Artists. They believe in a world where artists own not just their Creation/Art/Music but also the platform which facilitates the interaction with the artwork, with the fans, listeners, viewers and brands.
For more details, please visit www.createprotocol.org
We are looking for an iOS developer responsible for the development and maintenance of applications aimed at a range of iOS devices including mobile phones and tablet computers. Your primary focus will be the development of iOS 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, a commitment to collaborative problem solving, sophisticated design, and the creation of quality products are essential.
Responsibilities
- Design and build applications for the iOS platform
- Ensure the performance, quality, and responsiveness of applications
- Collaborate with a team to define, design, and ship new features
- Identify and correct bottlenecks and fix bugs
- Help maintain code quality, organization, and automatization
Skills
- Proficient with Swift, React Native and Flutter.
- Experience with iOS frameworks such as Core Data, Core Animation, etc.
- Experience with offline storage, threading, and performance tuning
- Familiarity with RESTful APIs to connect iOS applications to back-end services
- Knowledge of other web technologies and UI/UX standards
- Understanding of Apple’s design principles and interface guidelines
- Experience with performance and memory tuning with tools.
- Familiarity with cloud message APIs and push notifications
- A knack for benchmarking and optimization
- Proficient understanding of code versioning tools.
- Familiarity with continuous integration
What’s in it for you:
- Work with a mission-driven startup that’s making an impact in Web3 communities.
- Creative flexibility and creative leadership in an emerging field.
- Work with a collaborative, supportive, fun and passionate team.
- Work from home model.
- Be a part of a growing mission-led business in the decentralized world.
Compensation As per market standards along with token allocation in the project .
Responsibilities:
- Working in an agile, cross-functional team working to deliver the best possible platform experience on multiple platforms
- Develop performant mobile applications in react native for iOS and Android platforms
- Collaborate with team to integrate backend services that support both iOS and Android mobile platforms
- Utilization and integration of mobile features like Push Notifications, Background Loading, Offline Content Storage, etc.
- Be focused on the end user's experience and iteratively improve performance
- Help maintain code quality, organization, and automatization
- Implement analytics in all aspects of the application and analyze results
What we are looking for:
- Must have strong knowledge & hands-on experience building React Native apps (on both ios & Android devices) for 5+ years.
- Knowledgeable in aspects of the mobile lifecycle, including application development, application structure, device and operating system API, debugging, performance, security, memory management, app review processes and deployment
- Extensive experience in http://react.js/">react.js, typescript, modern libs, tools & best practices for react native development
- Excellent written and verbal communication and interpersonal skills
Good to have:
- Experience creating react-native projects from scratch.
- Native iOS or Android experience is a plus.
- Portfolio of react native apps on the Apple app store &/ Google play store
We’re currently looking for rockstar developers to help us build a next-gen social audio community engagement platform. Avalon is hiring for both backend & frontend engineering roles. Our tech stack is majorly Ruby on Rails & React Native.
If you were looking for a rocket-ship, this is it!
As a senior front-end developer our primary requirement is that you are proficient in React Native.
Apart from that the job entails:
- Building new features (while squashing bugs) for our growing mobile app to extend device support especially across the Android ecosystem
- Architect elegant and maintainable code with support from the team
- Collaborate with design, data, and other teams to build beautiful interfaces that look great and run smoothly
- Guide and improve the technical direction of mobile, bolstering the technical foundational, improving performance, and re-architecting.











