Principal software Engineer

About the role

We are looking for a highly skilled Front-End Engineer with strong experience in both ReactJS (Web) and React Native (Mobile) to join our product engineering team.

You will be responsible for building scalable, responsive, and high-performance applications across web and mobile platforms. The ideal candidate should have hands-on experience delivering production-grade applications with a strong focus on UI/UX, performance optimization, and reusable component architecture.

Key Responsibilities

● Develop and maintain modern web applications using **ReactJS**.

● Build and maintain cross-platform mobile applications using **React Native**.

● Design and implement reusable UI components and scalable front-end architecture.

● Collaborate closely with product managers, designers, and backend engineers to deliver high-quality product features.

● Translate UI/UX designs into responsive, pixel-perfect interfaces across devices.

● Optimize applications for performance, scalability, maintainability, and security.

● Integrate REST APIs and work closely with backend services.

● Participate in code reviews, technical discussions, and front-end best practices.

● Ensure consistent user experience across web and mobile platforms. ● Contribute to improving engineering standards, tooling, and development workflows.

Good to Have

● Experience with Expo, Next.js, or React Query.

● Familiarity with Android/iOS deployment processes.

● Experience working in FinTech, SaaS, or high-scale product startups. ● Understanding of analytics, monitoring, and crash reporting tools.

Role Overview

As a Senior Frontend Developer, you will be at the forefront of developing high-quality mobile applications using React Native. This role requires a comprehensive understanding of cross-platform development, UI/UX design principles, in-app purchases, and state management. You will work closely with our backend team, designers, and product managers to deliver seamless and responsive applications that meet global market standards.

Key Responsibilities

• Lead the development of mobile applications using React Native, ensuring cross-platform compatibility and responsiveness across devices.
• Collaborate with the design team to implement intuitive and user-friendly UI/UX designs.
• Integrate in-app purchases, Firebase services, dynamic links, and develop custom features to enhance user engagement.
• Manage application state effectively using state management libraries and best practices.
• Oversee the app deployment process, including release management, to the App Store and Google Play Store, ensuring compliance with their guidelines.
• Work with the team to identify and resolve performance issues and optimize application for speed and scalability.
• Work on animations and UX of applications for both IOS and Android.
• Stay updated with the latest trends and technologies in mobile development to continuously improve app functionality and user experience.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field.
• 5+ years of experience in frontend development, with significant experience in React Native and cross-platform mobile app development.
• Strong portfolio demonstrating expertise in UI/UX design and in-app purchases integration.
• Extensive experience with Firebase, including dynamic links and other backend services.
• Proven track record of managing app releases, including deployment to the App Store and Google Play Store.
• Excellent problem-solving skills, attention to detail, and the ability to work in a fast-paced, team-oriented environment.
• Strong communication skills, with proficiency in English.
• Attach the link of mobile application worked on till date

Why Join Us?

• Opportunity to lead a cutting-edge project impacting users globally.
• Work in an environment that fosters innovation, collaboration, and professional growth.
• Competitive compensation, comprehensive benefits.

Designation: Senior Software Engineer

Years of experience: Minimum 5 years of relevant experience

Skills: 5+ years of hands on experience in Angular 6/7/8/9 (mandatory). Experience also in Angularjs is preferred but not mandatory.

About Our Client

Our client is a Currency Exchange in India. Built with user experience and security in mind, Our Client provides instant fiat to crypto conversions with zero fees, so that users can have access to a diverse suite of financial products and services that are backed by industry-leading security processes and insurance protection. Our Client aims to be the global gateway to cryptocurrencies. Its proprietary liquidity aggregation model provides its users with access to liquidity from leading global crypto exchanges. Our Client is recognized and awarded for its contribution to the Indian emerging tech space.

Why Our Client?

Cryptocurrency Traders are looking for a strong global platform that can help them trade faster, better and smarter. We are building a platform that can solve their needs. The opportunity is big, and the journey is tough. Now that’s a challenge that needs to be addressed. You do that. You are phenomenal in solving these complex challenges. You help our team do more.


As a Front End Developer - Angular, you do all of the above and more. You make a difference.

What will I do?

• Delivering a complete front end application
  • Ensuring high performance on mobile and desktop
  • Writing tested, idiomatic, and documented JavaScript, HTML, and CSS
  • Coordinating the workflow between the graphic designer, the HTML coder, and yourself
  • Cooperating with the back-end developer in the process of building the RESTful API
  • Communicating with external web services
  • Ensure high-quality graphic standards and brand consistency
  • Stay up-to-date on emerging technologies
  • Write functional requirement documents and guides

What skills should I have?

- Must have 6+ years of experience in frontend development with an internet startup.
- Deep knowledge of Angular practices and commonly used modules based on extensive work experience
- Proficiency with JavaScript and HTML5
- Extensive knowledge of CSS and JS methods for providing performance visual effects and keeping the frame rate above 30fps at all times
- Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
- Creating custom, general use modules and components which extend the elements and modules of core Angular
- Ability to understand business requirements and translate them into technical requirements

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
-Can handle calls with the client & customer to know their feedback
-Build pixel-perfect, buttery smooth UIs across both mobile platforms.

- Maintain product roadmap, release schedules, and architectural standards that ensure alignment with business objectives.

- Manage, Mentor, and coach a team of 6 -9 front-end engineers
- Build fast and efficient next-generation web applications
- Implement new features and optimize existing ones
- Collaborate with Designers to iterate on the design
- Work closely with Backend Engineers to integrate APIs and other services
- Find and address performance issues
- Identify and communicate front-end best practices
- Desire to learn and mentor the new joiners with the latest framework like svelte, vue etc

Desired Candidate Profile:

Culture

- Fast-paced, intellectually stimulating, steep learning, and growth

- Close-knit, hardworking, supportive colleagues

- Challenging work

- Flat organization with no hierarchy

- If you like problem-solving, and love the latest technology, there are very few better places

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

 Why join us
 -We provide a 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 built the Consumer application which is downloaded millions of time and are in a leadership position in companies like Samsung, Purplle, Loyalty Rewardz
-Get mentored by the best in the industry
-Flexible working hours
-Perks best in the industry

In this role you will

• Be a part of a small UI team and will work closely with the UXdesigner and product manager to shape the product design.
• Build web UI components for a cloud-native SaaS product.
• Drive clear requirements for the backend APIs working closely withthe backend engineers.
• Focus on quality and velocity by developing appropriate tests.

Requirements

• Highly motivated self-starter with a builder’s mindset.
• 5+ years of web UI development experience.
• Highly skilled in JavaScript, HTML and CSS.
• Deep knowledge and experience of REST APIs.

Preferred: experience with frameworks such as React

Preferred: full stack development experience