We are looking for a React Native developer interested in building high-performance 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.

Level of Experience: 1+ Years

Job Type: Full Time

Location: Kolkata

Vacancies: 5

Experience

- 2+ years of industrial experience.

Job Responsibilities

- Build pixel-perfect, 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
- Transition existing React web apps to React Native
- Required skills
- Firm grasp of JavaScript and TypeScript 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, Android Studio
- Understanding of REST APIs, the document request model, and offline storage
- Experience with automated testing suites
- Must have worked with Redux in React Native
- Must have experience with offline storage on mobile apps
- Must have excellent knowledge of CSS Flex layouts for React Native
- Good to have knowledge of push notifications
- Good to have knowledge of charts and graphs on React Native
- A knack for benchmarking and performance optimization
- Proficient understanding of code versioning tools, such as GIT

Interpersonal skills

- Needs to be a team player
- Disciplined and self-motivated
- Needs to have problem-solving and decision-making skills
- Excellent communication skills in English




- Good to have previous experience in direct client interaction for project briefs and updates

Working at WebMantra

At WebMantra, we play as one team—powered by passion, fueled by creativity, and united from across India.

Work from In-house

Everyone at WebMantra is part of our in-house, onsite team. We believe in the power of close collaboration, shared energy, and a focused work environment that brings out the best in each of us, every day.

Hone Your Skills

Your skills are your greatest asset. At WebMantra, you’ll grow personally and professionally. You’ll take on projects that millions of people use. You’ll learn new technologies, collaboration methods.

Work with Like-Minded People

You will join a team that you’ll enjoy and who will appreciate your work. We take responsibility instead of pointing fingers. We look for root causes instead of superficial bandages. We prioritize and deliver results.

Balance Work and Life

Our work is demanding. It’s not easy to develop creative solutions to challenging problems the whole day, every day. So, we insist that our team will get plenty of rest and uninterrupted downtime.

Enjoy a Stable Company

We have been profitable since inception and have grown over seven times in the past 8 yrs. Our clients come from virtually every country in the world, making us resilient and agile.

Global Clientele

With clients across the U.S., Europe, and the Middle East, we work mostly with global clients—mainly CTOs and tech founders who trust us to tackle tough tech challenges. Perks & Benefits

Employee Benefits & Perks

At WebMantra, you get a competitive perks package and be part of an award-winning team. Plus, you save more and enjoy a work /life balance.

Competitive salary

Sick and “life happens” days

Paid holidays

Paid parental leave

Paid training programs

Regular Rewards and perks

Periodic Virtual engagement activities

Opportunity to work on exciting clients

No stressful commute

Medical Benefits

No committees or bureaucracy of any kind

Flexible work timings

Let's Work Together at WebMantra

To apply, please send your CV/resume to [email protected]

📌 React Native Developer (Kolkata)
🏢 WebMantra Technology Services
📍 Kolkata