React.js Developer

About the Role

We are looking for a highly skilled and experienced Senior React Native Developer to join our team and take the lead on developing our cross-platform mobile application. You’ll play a critical role in building, launching, and scaling a high-performance mobile app that runs seamlessly on both iOS and Android platforms from a single codebase.

If you’re passionate about mobile technologies, have a strong command of React Native, and are excited about creating a high-quality product from the ground up, we’d love to hear from you.

Responsibilities

• Lead the end-to-end development of a cross-platform mobile application using React Native.
• Collaborate with product managers, designers, and backend engineers to deliver high-quality user experiences.
• Build reusable components and front-end libraries for future use.
• Optimize app performance for speed and scalability across devices and OS versions.
• Ensure the app complies with design standards and platform-specific guidelines (Apple App Store & Google Play).
• Set up CI/CD pipelines for automated builds, testing, and deployment (e.g., using Fastlane, EAS, or similar).
• Integrate RESTful APIs and third-party services.
• Handle app store submissions and updates.
• Mentor junior developers and enforce best practices in mobile development.

Requirements

Must-Have:

• 5+ years of experience in mobile application development.
• 3+ years of hands-on experience with React Native.
• Strong understanding of JavaScript (ES6+), TypeScript, and React architecture.
• Deep knowledge of iOS and Android mobile app development lifecycle.
• Experience with mobile UI/UX best practices and performance optimization.
• Familiarity with native build tools (Xcode, Android Studio).
• Experience integrating REST APIs and handling network latency issues.
• Proficient with Git, GitHub/GitLab, and agile development practices.
• Experience with push notifications, in-app purchases, deep linking, and analytics SDKs.

Preferred:

• Experience with Expo or EAS for managed workflows.
• Familiarity with mobile CI/CD pipelines (Fastlane, Bitrise, etc.).
• Experience with native modules (Objective-C/Swift and Java/Kotlin) as needed.
• Knowledge of automated testing frameworks (Jest, Detox).
• Published apps in both the App Store and Google Play.
• Prior experience in startups or high-growth environments.

What We Offer

• Opportunity to lead and build a product from the ground up.
• Work with a dynamic and talented team in a fast-paced environment.
• Flexible working hours and remote-first culture.
• Competitive salary and equity options (if applicable).
• Learning and development budget.

JOB DESCRIPTION:

• The Development family is responsible for creating, designing, deploying, and supporting applications, programs, and software solutions.
• May include research, new development, prototyping, modification, reuse, re-engineering, maintenance, or any other activities related to software products used internally or externally on product platforms supported by the firm.
• The software development process requires in-depth subject matter expertise in existing and emerging development methodologies, tools, and programming languages.
• Software Developers work closely with business partners and / or external clients in defining requirements and implementing solutions.

RESPONSIBILITIES:

• Lead technical processes and designs considering reliability, data integrity, maintainability, reuse, extensibility, usability, and scalability.
• Review code of development team to ensure quality and adherence to best practices and standards.
• Mentor junior developers to develop their skills and build strong talent.
• Collaborate with Infrastructure partners to identify and deploy optimal hosting environments.
• Define scalability and performance criteria for assigned applications.
• Ensure application meets the performance, privacy, and security requirements.
• Verify test plans to ensure compliance with performance and security requirements.
• Support business and technical presentations in relation to technology platforms and business solutions.
• Mitigate risk by following established procedures and monitoring controls.
• Help develop solutions that balance cost and delivery while meeting business requirements.
• implement technology-specific best practices that are consistent with corporate standards.
• Partner with cross-functional teams to ensure the success of product strategy and project deliverables.
• Manage the software development process.
• Drive new technical and business process improvements.
• Estimate total costs of modules/projects covering both hours and expense.
• Research and evaluate specific technologies, and applications, and contributes to the solution design.
• Construct application Architecture encompassing end-to-end designs.
• Mitigates risk by following established procedures and monitoring controls, spotting key errors, and demonstrating strong ethical behavior.

QUALIFICATIONS:

• Bachelor's degree required with Masters, or equivalent experience preferred
• Minimum of 7 years of related experience.
• 7+ Years of Active Development Experience/ Expertise in Java/J2EE Based Applications proven ability with Hibernate, JPA, Spring, Spring MVC
• Exposure to XML/XSD, JSON and similar data presentation components
• Familiarity with Microservices based architecture and distributed systems.
• Ability to develop and work with REST APIs using Spring Boot framework.
• Knowledge of IBM MQ and messaging protocols such as JMS
• Understanding of Unix/Linux OS including shell scripting
• Strong database and PL/SQL skills
• Experience with CI/CD technologies like GIT, Jenkins, JoCoCo and Maven
• Experience with UI frameworks - Angular, NodeJS and NPM is a plus
• Experience with CSS, HTML, JavaScript, and similar UI frameworks (jQuery, React Angular) is a plus
• Familiarity with Agile development methodology

We are looking for a passionate Senior Software Engineer - UI/UX to join our fast growing team at LogiNext. You’ll collaborate with Product Managers and other UI designers to design new features, translate concepts into living and breathing prototypes, and rapidly iterate on interactions, animations, and details to deliver the best user experience. You will be responsible for conceptualizing & creating highly interactive user interfaces across all supported platforms.

You are passionate about design and are driven to create solutions for our clients that combine business objectives, design principles, and continuous user research into a compelling user experience. You have experience in designing a consistent and adaptable platform-based approach to user experience within a technology-driven and Software-as-a-Service (SaaS) based environment. You are a compulsive problem-solver with excellent visualization and communication skills.

Responsibilities:

• Gather, analyse & process data to determine the user needs & enhance the user experience
• Research & learn new, or re- emerging front- end technologies that facilitate improved user experience.
• Conceptualise designs through storyboards & concept presentations
• Design beautiful digital interfaces and present ideas in a compelling manner
• Perform usability testing with prototypes
• Create wireframes & prototypes to create a perfect user interface
• Create the best visual communication design with graphic design, website design, drawing and illustration, animation, client discussion and standard layouts.
• Mentor other team members in conceptualising and visually articulating design solutions
•  

Requirements:

• Bachelor’s degree or higher in Arts/Commerce/Science/Technology
• 4 to 7 years of experience in UI/UX designing
• Must have experience in designing user interfaces for B2B SaaS Products
• Must have excellent experience using tools such as Sketch, Photoshop, Adobe Illustrator
• Able to work and thrive in a fast-paced, rapidly changing work environment
• Should have excellent communication skills, with an ability to convey ideas clearly & precisely
• Must have leadership skills & a good team player
• Must be pro-active & a self-starter

Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at a massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.

As a Front End software engineer, you will work on the ReactJS powered user interface used by Fulfil merchants to manage their back-office operations. This is mission critical software and your primary focus will be on developing user interface components and implementing them following well-known React.js workflows. You will ensure that these components and the overall application are robust and easy to maintain. In this role, you will be collaborating closely with the rest of the team working on different layers of infrastructure in an international environment. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality are important.

What You’ll Do:

• Collaborate with a small yet extraordinarily talented team of engineers to implement front-end technologies
• Develop new user-facing features using React.js and React Native
• Work closely with the Design and Product teams to translate complex technical workflows into delightful user experiences
• Define how Fulfil builds user interfaces and ensure that we’re utilizing and keeping up with modern web standards
• Continually test, measure, and iterate on the results of your work in the spirit of continuous improvement
• Write clean, reusable, and well-tested front-end code
• Help to bridge the responsibilities of the Product and Engineering teams, spending time with both on the way to launching new products
• Architect efficient and reusable front-end abstractions and systems that drive complex web applications
• Create reliable and type-safe applications with Typescript
• Build and contribute to open source projects
• Build reusable components and front-end libraries for future use
• Optimize components for maximum performance across a vast array of web-capable devices and browsers

We’re Looking for Someone With:

• 5+ years of experience as a front end engineer
• Experience in building large-scale web applications in a fast-moving team environment
• A strong understanding of UX and UI design standards
• The perfectionist’s touch on a pragmatist’s deadline: you strive for pixel-perfection and intuitive functionality
• Strong proficiency in JavaScript (2-4 Years of experience), including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles, with experience in popular React.js workflows
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc
• Experience with popular testing frameworks, like Jest, Cypress, and Testing Library.
• The ability to bring any design to life with HTML and CSS, with cross browser compatibility and accessibility
• Smarts, humility, communication skills, and equal willingness to teach and learn
• Familiarity with RESTful and GraphQL APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Experience in developing large client side JavaScript applications
• Familiarity with code versioning tools like GIT
• Experience with Javascript testing tools and test automation

Nice to Haves:

• Prior experience at a growth stage Internet/Software company
• Demonstrated work beyond the front-end, experienced in integrating with a wide array of back-end technologies and services (e.g. experience with Python, AngularJS)
• Experience developing large client-side applications and optimizing them for performance
• You can straddle client and server development, creating APIs that drive web apps
• You understand the intricacies of timezones
• Web optimization, performance tools, and load testing
• You maintain or contribute to an open-source project

• Minimum 3 years experience in React redux and Flux
• 3 years experience in Frontend skills
• Familiarity with database technology such as MySQL,  MongoDB. ·
• Good communication. 

Role

• Work as part of a small team to build React Native iOS / Android applications.
• Design, 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.
• Developing new user-facing features using React Native.
• Building reusable components and front-end libraries for future use
• Translating designs and wire-frames into high-quality code
• Optimising components for maximum performance across a vast array of android and ios devices.
• Release applications to IOS and Google Play stores.
• Work with native modules when required.

Skills

• Strong proficiency in React Js, React Native, JavaScript, TypeScript, Object Oriented Programming - 2+ years of professional experience working with React Native
• Deep knowledge of component state management experience (specifically in React Native)
• Familiarity with native build tools, like XCode, Gradle
• Good understanding of Redux
• 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.
• Ability to understand business requirements and translate them into technical requirements
• A knack for bench-marking and optimisation

Qualifications:

• Minimum one year of experience in React, Redux 
• Experience with Build systems e.g. Webpack/Grunt/Gulp 
• In-depth knowledge of HTML/XHTML/HTML5 
• Experience with Testing frameworks e.g. Karma/Jasmine/Protractor/Cucumber/Mocha/Jest 
• Experience with interface development toolkits: e.g. Less/SASS 
• Experience with web service integration protocols such as REST & GraphQL 
• In-depth knowledge of Javascript e.g. ES5/ES6/Typescript 
• Strong Knowledge of CSS 3 
• Must be a strong team player 
• Have a good understanding of design and user experience principles. 
• Experience in dealing with cross-browser compatibility requirements 
• Understanding of mobile development best practices (e.g. responsive design, graceful degradation, etc.) 
• Ability to work independently as well as on a team and learn from colleagues 
• Open-minded, flexible and willing to adapt to changing situations 
• Good designing & color combination skills 
• Experience with Git or other version control systems.