

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 Cirtru - Circles of Trust
About
Cirtru is a proptech startup for the USA. We have previously raised one round of funding but we are self sustainable since the last few years. Our team operates out of Mumbai (Goregaon East) and we are hiring across the board. Note that our positions are full time and we expect you to work from office, at least most of the days.
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Roles & Responsibilities:
This role will be based in our brand new Hyderabad office. Join us in India’s beautiful “City of Pearls” and bring your ambition to life. We are looking for an experienced iOS engineer who is passionate about building modern, scalable applications for iOS and tvOS, and will take ownership of the full product feature cycle from design to delivery.
Your Team:
The R&D group is building and delivering the enablement platform for the current and next generation of media experiences in the fields of personalization, content interaction, and social interaction, all of which are at the core of DAZN's value proposition. Key parts of the workflow are ingestion, transcoding of various video and audio live/VOD assets, personalized processing, and distribution across the world to end-users, while allowing collaboration among users, all in real-time. This group is taking full responsibility for providing end-to-end social interaction functionalities on multiple platforms including web, smart TVs, iOS, Android, PlayStation, and Xbox.
As our new Senior iOS Engineer, you’ll have the opportunity to:
● Designing and developing our cutting-edge products, delivered to millions of
sports fans around the world.
● Be an essential part of a team working in a fast B2C paste product delivery
pipeline.
● Work with the most talented individual on features that cross platforms,
languages, and protocols to deliver social engagement to sports fans.
● Learn from the best in the field, and teach others.
● Own the full product feature cycle from being a part of the product
brainstorming through all dev cycles and up to take the responsibility for the
feature when rolled to production.
You’ll be set up for success if you have:
● B.Sc. in Computer Science or equivalent.
● At least 4 years of experience in Apple Swift/Obj-C development.
● Senior-level understanding of design patterns and architectures.
● A verse in 3rd party frameworks and solutions.
● Senior-level understanding of server-client fundamentals.
● Senior-level understanding of multithreading.
● Experience with UI Kit
● Experience with RxSwift development.
● Experience in writing unit tests.
● Strong analytical skills.
● Can-do attitude!
Even better if you have:
● Experience in writing automation tests.
● Continuous integration tools and practices.
● Familiarity with agile software development.
● Experienced with low-level systems in C/C++.
● Experienced with OpenGL, high-performance rendering, mobile device, digital
AV, video and audio codecs, and media players.
● Experience with RxSwift development.
● Experienced with working on networking technology and approaches, e.g.
client-server, peer-to-peer, writing network code using TCP/IP and UDP
stacks and networking concepts.(routing, congestion, datagrams vs. streams)
● Experienced with RT web technologies: WebSockets, WebRTC.
At DAZN, we bring ambition to life. We are innovators, game-changers and pioneers. So if you want to push boundaries and make an impact, DAZN is the place to be.
As part of our team you'll have the opportunity to make your mark and the power to make change happen. We're doing things no-one has done before, giving fans and customers access to sport anytime, anywhere. We're using world-class technology to transform sports and revolutionise the industry and we're not going to stop. If you're ambitious, inventive, brave and supportive, then you're the kind of person who's going to enjoy life at DAZN.
We are committed to fostering an inclusive environment, both inside and outside of our walls, that values equality and diversity and where everyone can contribute at the highest level and have their voices heard. For us, this means hiring and developing talent across all races, ethnicities, religions, age groups, sexual orientations, gender identities and abilities.
We are supported by our talented Employee Resource Group communities: proud@DAZN, women@DAZN, disability@DAZN and ParentZONE.

• 2-4 years of experience in Native iOS development.
• Strong in data structure and algorithms.
• Strong knowledge of iOS UI design guidelines, design patterns, and best practices.
• Strong knowledge of iOS Framework, different versions of iOS, and how to deal with
different screen sizes.
• Proficient in Swift programming, Cocoa, Xcode, and iOS Apps architecture and
implementation
• Experience with Analytics, offline syncing, deep-linking, Notifications, Autolayout,
Multithreading, etc
• Familiarity with Agile development, Scrums, Continuous integration (CI-CD), and TDD
processes.
• Knowledge of iOS debugging, unit-testing, memory, and performance optimization tools
as well as experience with automated and manual testing platforms
• Experience in shipping applications through App store
• Proficient understanding of code versioning tools, such as Git
• Ability to meet deadlines and work in a time-bound environment
• Good to have passion for investing



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


TechUnity is looking for iOS Developers responsible for the development and maintenance of applications aimed at a range of iOS devices including mobile phones and tablet computers.
**
Responsibilities and Duties
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
A commitment to collaborative problem solving, sophisticated design, and the creation of quality products is essential
Required Experience, Skills and Qualifications
Skills:
Proficient with Objective-C or Swift and Cocoa Touch
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
Knowledge of low-level C-based libraries is preferred
Familiarity with cloud message APIs and push notifications
Knack for benchmarking and optimization
Proficient understanding of code versioning tools


Job brief
We are looking for a Mobile App developer to produce scalable software solutions. You’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment.
As a Mobile App developer, you should be comfortable around React Native, Javascript, React / Vue, development frameworks, and third-party libraries. You should also be a team player with a knack for visual design and utility.
If you’re also familiar with Agile methodologies, we’d like to meet you.
Responsibilities
- Work with development team to ideate software solutions
- Develop and manage well-functioning databases and applications
- Write effective APIs
- Test software to ensure responsiveness and efficiency
- Troubleshoot, debug and upgrade software
- Create security and data protection settings
- Build features and applications with a mobile responsive design
- Write technical documentation
Requirements
- Proven experience as a React Native App developer or similar role
- Experience developing desktop and mobile applications
- Familiarity with MERN / MEAN
- Knowledge of React Native, Javascript
- Knowledge of JavaScript frameworks like Node.js, ES6
- Familiarity with MongoDB, web servers (e.g. Apache) and UI/UX design
- Excellent communication and teamwork skills
- Great attention to detail
- Organizational skills
- An analytical mind
- Degree in Computer Science, Statistics or relevant fie


iOS Developer Responsibilities:
- Designing and building mobile applications for Apple’s iOS platform.
- Collaborating with the design team to define app features.
- Ensuring quality and performance of the application to specifications.
- Identifying potential problems and resolving application bottlenecks.
- Fixing application bugs before the final release.
- Publishing application on App Store.
- Maintaining the code and atomization of the application.
- Designing and implementing application updates.
iOS Developer Requirements:
- Bachelor’s degree in computer science or software engineering.
- Proven experience as an app developer.
- Proficient in Objective-C, Swift, and Cocoa Touch.
- Extensive experience with iOS Frameworks such as Core Data and Core Animation.
- Knowledge of iOS back-end services.
- Knowledge of Apple’s design principles and application interface guidelines.
- Proficient in code versioning tools including Mercurial, Git, and SVN.
- Knowledge of C-based libraries.
- Familiarity with push notifications, APIs, and cloud messaging.
- Experience with continuous integration.


Responsibilities:
- Work with an open-source iOS ecosystem and the libraries available for common tasks.
- Work directly with developers and product managers to conceptualize, build, test and realize products.
- Build reusable iOS software components for the platform.
- Unit-test code for robustness, including edge cases, usability, and general reliability.
- Work on bug fixing to improve application performance and shipping new features as required
Requirements:
- Experience with iOS Design patterns, memory management, REST web-services and JSON Parsing. Designing and building advanced applications for the iOS platform
- Collaborating with cross-functional teams to define, design, and ship new features
- Design and build advanced applications for the iOS platform
- Work on bug fixing and improving application performance
- Can integrate apps with backend and 3rd party API’s.
- Good programming skills in Objective-C/Swift and extensive knowledge of Apples SDKs and frameworks like Core Data, Core Graphics, Foundation, UIKit, etc.
- Have published one or more applications in an iOS App Store.
- Knowledge of iOS App Store deployment process.



The Role
We are looking for an experienced Software Engineer (React Native) who will lead the development for Jackett's mobile apps. Each day you'll design, build and ship features that will directly improve teachers' lives. You will shape our product direction and technical architecture for the years to come.
You'll report directly to the CTO and partner closely with teams across product and design to build React Native apps for Android and iOS from scratch. And we'll work together to create an environment where you can grow professionally.
Key Responsibilities:
- Own the architecture, development and implementation of our mobile app to enable the team to quickly iterate a high-quality product.
- Implement clean, modern, smooth animations and transitions that provide an excellent user experience.
- Implement pixel perfect Ul's that match the designs.
- Create our iOS and Android deployment CI/CD pipeline to ship reliable features daily.
- Engage in technical research and champion best practices for writing clean, maintainable and reusable code with clear documentation.
- Accurately estimate time and effort required to deliver high quality features.
Required Skills/Abilities: - 4 + years of experience as a software engineer.
- Built and shipped high-quality mobile apps (android and iOS) using React Native.
- Production-level experience with Mobile C l / C D , unit testing and automated E2E testing
- Proficiency working with RESTful APIs.
- Ability to take extreme ownership of your work and to deal with high pressure situations in a fast paced environment and meet targets without compromising the quality of the deliverables.
- Product understanding to break down user stories into high impact features.
- Excellent organisational and communication skills, especially for a remote first work environment
Extra Credits for:
- Knowledge of AWS cloud infrastructure - CodePipeline, Amplify, CDN etc.
- Knowledge of TypeScript.
- Knowledge of SCORM and Learning Tools Interoperability (LTI) framework
- Experience of React Native development at an early stage EdTech startup

We are looking for a React Native developer interested in building performance mobile apps on
both the iOS and Android platforms. You will be responsible for architecting, designing 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
We are looking for self-motivated, energetic candidates who are looking for next set of
challenge in their career. Mobile app developer you will be responsible for developing and
maintaining the Mobile app.
NOT a classic Website Development job involving simple development and maintenance of
websites. We work on complex web applications that are technologically challenging. The
projects are done in small teams, which result in greater responsibility for each member of the
team.
We genuinely want you to learn and grow and will provide you sample opportunities for that.
Responsibilities
Deliver innovative solutions to drive next generation user experiences, designs and
technologies
In depth knowledge and proven record in developing mobile apps
Extensive experience with React and state management frameworks such as
Redux/MobX.
Experience with React Native
Technical knowledge of RDBMS
Development experience with iOS/Android or both
Strong knowledge of data structures, algorithms and run time optimization
Ability to write well-documented, clean Javascript code
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
Maintain code and write automated tests to ensure the product is of the highest quality
Rock solid at working with third-party dependencies and debugging dependency
conflicts
Required Skills
Firm grasp of the JavaScript (and Typescript or Closure Script) language and its
nuances, including ES6+ syntax
Knowledge of (functional or object-oriented) programming
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)
React Native
Redux/Mobx
RDBMS,
Third Part SDK integration
Development experience with IOS/Android or both
React native Android app developer React Native IOS App developer
JAVA SWIFT 4.0/4.2
Android studio 3.2 tool XCODE
Minimum Version Lollipop Minimum version IOSIO
XML XAML
Material Design pattern MVC
Web services &API Web services & API
JSON/GSON JSON
SQLite Database /realm database SQLite Database/core data



