Frontend Developer - React Native

JOB DETAILS:

- Job Title: Lead II - Software Engineering- React Native - React Native, Mobile App Architecture, Performance Optimization & Scalability

- Industry: Global digital transformation solutions provider

- Experience: 7-9 years

- Working Days: 5 days/week

- Job Location: Mumbai

- CTC Range: Best in Industry

Job Description

Job Title

Lead React Native Developer (6–8 Years Experience)

Position Overview

We are looking for a Lead React Native Developer to provide technical leadership for our mobile applications. This role involves owning architectural decisions, setting development standards, mentoring teams, and driving scalable, high-performance mobile solutions aligned with business goals.

Must-Have Skills

• 6–8 years of experience in mobile application development
• Extensive hands-on experience leading React Native projects
• Expert-level understanding of React Native architecture and internals
• Strong knowledge of mobile app architecture patterns
• Proven experience with performance optimization and scalability
• Experience in technical leadership, team management, and mentorship
• Strong problem-solving and analytical skills
• Excellent communication and collaboration abilities
• Proficiency in modern React Native development practices
• Experience with Expo toolkit and libraries
• Strong understanding of custom hooks development
• Focus on writing clean, maintainable, and scalable code
• Understanding of mobile app lifecycle
• Knowledge of cross-platform design consistency

Good-to-Have Skills

• Experience with microservices architecture
• Knowledge of cloud platforms such as AWS, Firebase, etc.
• Understanding of DevOps practices and CI/CD pipelines
• Experience with A/B testing and feature flag implementation
• Familiarity with machine learning integration in mobile applications
• Exposure to innovation-driven technical decision-making

Skills: React native, mobile app development, devops, machine learning

******

Notice period - 0 to 15 days only (Need Feb Joiners)

Location: Navi Mumbai, Belapur

Responsibilities :

- You will be responsible for designing, implementing, developing, testing, and supporting the tagging solutions on our products to deliver accurate and scalable marketing data. Below are few pointers of routine

-You will be responsible for implementing digital tagging for data capture to track digital marketing efforts to determine brand and campaign effectiveness

-You will develop and modify JavaScript code to execute web analytics best practices

-You collaborate & do thorough research to ensure implementation requirements were met

-You validate and debug implementations using GTM debugger

-You should able to perform app analytics, debugging skill , issue resolutions in app.

-You should have knowledge of Firebase or any other app Analytics tool.

-You should able to perform mobile application testing.

-You demonstrate an understanding, and proactivity in seeking new & innovative solutions for implementing code to capture the desired metrics and solve business problems.

-You keep up to date with competitor information, tools, best practices and market trends; identifying business opportunities for organisations.

Job Requirenments :

- Knowledge of Google Tag Manager and Google Analytics is plus

-Proficiency in HTML, JavaScript, and jQuery

-Understanding of 1 or more debugger tools (Preferred chrome console, Alternatives: charles, chrome plugin debugger tools, etc)

-Highly analytical qualities with strong technical, strategic, and problem-solving skills

-Candidates who knows Android/iOS will be preferred

-Excellent communication

A bit about us

WeatherBug is a popular weather site and mobile app providing hyperlocal, live weather data and proactive alerting to consumer users. With over 15 million unique users per month, across all platforms, WeatherBug’s vision is to provide environmental intelligence for all aspects of people’s lives. The WeatherBug app is a top-rated weather app in the app stores. In 2019, WeatherBug was named the best weather app by MediaPost’s Appy Awards. WeatherBug is owned and operated by GroundTruth, a media company that turns real-world behavior into marketing that delivers real business results.

Learn more at WeatherBug.com

At GroundTruth, we believe that innovative technology starts with the best talent and we have been ranked one of Ad Age’s Best Places to Work for three years in a row (2021, 2022 & 2023). Learn more about the perks of joining our team here.

A bit about you

A recognized expert in their professional discipline, with significant impact and influence on organizational policy and program development. Establishes critical strategic and operational goals, and develops and implements new products, processes, standards, or operational plans to achieve organizational objectives. Regularly leads projects of critical importance to the organization—projects that carry substantial consequences for success or failure. Requires strong influence and communication with executive leadership. Problems encountered are often complex and multidimensional, requiring broad-based consideration of variables that affect multiple areas of the organization.

You will:

• Develop production-ready code to meet scope of requirements.
• With guidance, update and create documentation as needed for new and existing solutions.
• Participate in code-reviews with comments to improve code quality, stability, and maintainability.
• Create and maintain unit and integration testing solutions. Be able to run your code in lower environments.
• Run tests on the mobile device to ensure code meets requirements
• Watch mobile releases for Android or iOS for features you developed
• Teardown your solutions across multiple environments and platforms.
•  Provide operational support of your deployed code
• Determine issues within your areas of expertise.
• Work with teams across the engineering organization to understand and incorporate client requirements into final solutions.
• Perform other job-related duties as assigned.

You have:

• Bachelor’s degree (4 years) in Computer Science or a related field, OR 5+ years of relevant software development experience.
• 3+ years of professional experience in software engineering.
• 2+ years of hands-on Android application development using Kotlin and Android Studio.
• Experience with modern Android libraries and frameworks, including Jetpack components (e.g., Navigation, Room, ViewModel, LiveData), Retrofit for networking, and image loading libraries (e.g., Glide, Coil).
• Proficiency with asynchronous programming using Kotlin Coroutines and Flow.
• Familiarity with dependency injection frameworks such as Dagger/Hilt or Koin.
• Experience with app architecture patterns such as MVVM or MVI, and clean architecture principles.
• 2+ years of experience working in Agile teams and participating in iterative development cycles.
• Strong understanding of object-oriented design principles, design patterns, best practices, performance optimization, and memory management.
• Experience with unit and UI testing frameworks (JUnit, Mockito, Espresso).
• Familiarity with Git and collaborative version control workflows.
• Exposure to CI/CD tools and automated build/deployment pipelines.
• Ability to independently take ownership of tasks and deliver robust solutions.
• Commitment to writing clean, maintainable, and well-documented code.

Would be great if you have:

• Experience with React Native, including building function components, using hooks, and working with JavaScript/TypeScript.
• Knowledge of Play Store processes, including app signing, publishing, and release management.
• Familiarity with ingesting and exposing large datasets in the weather industry.
• Experience in the advertising industry.
• Proficiency with tools like GitHub, Jenkins, Artifactory.

You are:

• A team player who is organized, flexible and willing to adapt
• Not afraid of new technologies and driven to learn
• A detail-oriented person, who catches problems early and adjusts
• A strong communicator who is able to collaborate with multiple business and engineering stakeholders and work through conflicting needs
• A problem solver who likes to dive deep into a problem, diagnose root causes and work with multiple teams to come up with a solution
• Organized with demonstrated ability to prioritize and deliver timely work
• A team player and not afraid to roll up your sleeves and help when needed
• Self-sufficient and not afraid to take the lead and manage tasks independently
• Coachable and open to feedback
• Respectful–-we treat each other with respect and assume the best of one another
• Not afraid to have fun!

What we offer

At GroundTruth, we want our employees to be comfortable with their benefits so they can focus on doing the work they love.

● Parental leave- Maternity and Paternity

● Flexible Time Offs (Earned Leaves, Sick Leaves, Birthday leave, Bereavement leave & Company Holidays)

● In Office Daily Catered Lunch

● Fully stocked snacks/beverages

● Health cover for any hospitalization. Covers both nuclear family and parents

● Covid home quarantine cover

● Tele-med for free doctor consultation, discounts on health checkups and medicines

● Wellness/Gym Reimbursement

●  Pet Expense Reimbursement

●  Childcare Expenses and reimbursements

●  Employee assistance program

●  Employee referral program

●  Education reimbursement program

●  Skill development program

●  Cell phone reimbursement (Mobile Subsidy program)

●  Internet reimbursement

●  Birthday treat reimbursement

●  Home office set up

●  Employee Provident Fund Scheme offering different tax saving options such as VPF and employee and employer contribution up to 12% Basic

●  Creche reimbursement

●   Co-working space reimbursement

●   NPS employer match

●   Meal card for tax benefit

●   Special benefits on salary account

●   New joiner relocation

JOB DESCRIPTION

React Native Developer

It is a platform for creators, influencers and celebrities to grow, manage and monetise their community. It is aimed at both established and aspiring online creators who want to pursue their passion. Our vision is to enable anyone and everyone to make a successful living doing what they enjoy.

• Roles & Responsibilities:-

• 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 two week 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.

• Required Candidate profile:-

• 2+ years of professional experience working with React Native.
• 4+ years of professional software development experience.
• Experience working with Swift, Java 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 regards to estimates and to the general process.
• 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.
• Ability to create and maintain continuous integration and delivery of React Native applications.
• A positive mindset and can-do attitude.
• Forensic attention to detail.
• You work well within a team environment and enjoy working in the office with your colleagues.
  
  

Rejolut is one of the award winning fastest growing emerging tech company which is working on leading technology like Blockchian, ML & AI, Complex mobile & web apps, IoT etc.

The ideal candidate will be responsible for developing highly scalable and secure code.

Responsibilities:-
-Able to take the Extreme Ownership of modules/product/projects
-Able to learn & implement new technology/framework/library at God Speed
-Able to come with optimal solution for the business problem
-Can handle calls with the client & customer to know their feedback
-Writing clean code & able to dig into other's code or open source code.
-Build pixel-perfect, buttery smooth UIs across both mobile platforms.
-Leverage native APIs for deep integrations with both platforms.

Desired Candidate Profile:-

• 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
• Transition existing apps to React Native and work with native modules when required.
• Experience in releasing Android and iOS App store
• Experience working with Swift, Objective C, and Java a plus but not required

How we are different 
 -We are young and dynamic team who are obsessed with solving business problem at scale -We are a technology agnostic company who focus more on finding the optimal solution to business problem rather than technology

 Why to join us
 -We provide huge learning curve. Spending 1.5-2 years with us will put you 3 years ahead in the career
-We work only on cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, ELM
-There are two technology Co-founder in the company ho are pretty much hands-on and have earlier bult the Consumer application which is downloaded millions of time and are in leadership position in copanies like Samsung, Purplle, Loylty Rewardz
-Get mentored by the best in the industry
-Flexible working hours
-Perks best in the industry

-Flat structure, no hierarchy