Frontend Developer

Company Overview

VC-backed Fintech startup with an innovative online trading application seeking an experienced Frontend Engineer to join our growing team.

We're based out of UK and have our engineering team in India.

Job Description

We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.

Responsibilities

1. Developing new user-facing features using React.js
2. Building reusable components and front-end libraries for future use
3. Translating designs and wireframes into high quality code
4. Optimizing components for maximum performance across a vast array of web-capable devices and browsers
5. Maintain existing React systems, including fixing bugs
6. Handling backend infra written in Next/Node/Express

Skills

1. Strong proficiency in debugging, JavaScript, including DOM manipulation and the JavaScript object model
2. Thorough understanding of React.js and its core principles
3. Experience with popular React.js workflows (such as Flux or Redux)
4. Familiarity with newer specifications of EcmaScript
5. Experience with data structure libraries (e.g., Immutable.js)
6. Knowledge of isomorphic React is a plus
7. Knowledge of isomorphic Next js and Node js is a plus
8. Familiarity with RESTful APIs
9. Knowledge of modern authorization mechanisms, such as JSON Web Token
10. Familiarity with modern front-end build pipelines and tools
11. Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
12. Familiarity with basic authentication mechanism and security
13. Ability to understand business requirements and translate them into technical requirements
14. A knack for benchmarking and optimization
15. Familiarity with code versioning tools such as Git

[Please note: Our HQ is in Wales and we're in the process of creating an Indian Entity. This means that the candidate will be responsible for all Tax related compliances until the entity is setup.]

Job Description

As a React Native Developer at Marmeto, you will play a critical role in building high-performance, cross-platform mobile applications for iOS and Android. You will collaborate with UX/UI designers, backend engineers, and product stakeholders to deliver intuitive and scalable mobile experiences. This role demands a developer with a deep understanding of mobile architecture, native modules, and modern development best practices.

Skills:

• Minimum 4 years of hands-on experience with React Native for Android and iOS development.
• Strong proficiency in JavaScript, TypeScript, and ES6+ features.
• Solid understanding of React Native architecture, including Hooks, Redux/MobX, and Context API.
• Experience with native module integration (Android/iOS) and third-party libraries.
• Proficient in using React Navigation, AsyncStorage, and mobile design patterns.
• Familiarity with debugging tools like Flipper, Chrome DevTools, and React Native Debugger.
• Experience in publishing apps to the App Store and Google Play.
• Good understanding of mobile performance optimization and memory management.
• Proficiency with version control systems like Git.

Roles & Responsibilities:

• Design, develop, and maintain cross-platform mobile applications using React Native.
• Collaborate with UI/UX designers to implement pixel-perfect interfaces and interactions.
• Work closely with backend teams to integrate APIs (REST/GraphQL) seamlessly.
• Write clean, modular, and scalable code following best practices and design patterns.
• Troubleshoot, debug, and optimize mobile apps for maximum performance.
• Stay updated on emerging trends in mobile development and bring innovation into the team.

Requirements

Mandatory

• Should have built solutions/applications end-to-end, not just contributed as part of a larger team.
• Should envision continuing in a deep mobile development role 5+ years down the line.
• Strong command over JavaScript, TypeScript, and React Native internals.
• Experience working with Redux, React Hooks, and lifecycle methods in mobile contexts.
• Deep understanding of platform-specific limitations, capabilities, and mobile UI/UX standards.

Essential

• Proficiency with Git and collaborative workflows (e.g., branching, PRs).
• Familiarity with CI/CD for mobile.
• Understanding of offline storage, background sync, and performance monitoring.

Good to Have

• Knowledge of native development (Swift/Kotlin) to bridge native modules when needed.
• Exposure to tools like Figma, Sketch, or Zeplin for design collaboration.
• Experience with e-commerce platforms like Shopify, BigCommerce, or similar.

Job Description:

• Job involves working on the latest technologies and frameworks in mobile and open source world to develop mobile applications, mobile websites and rich internet applications.
• Candidate should be Collaborative and Quality-focused, resourceful initiative taker, and someone who has good English communication skills.

Desired Candidate Profile:

• Work as part of a team to build React Native iOS / Android applications for clients.
• Architect, build and maintain excellent React Native applications with clean code. Experience with React Js, React Native, JavaScript
• Implement pixel perfect UI's that match designs.
• Implement clean, modern, smooth animations and transitions that provide an excellent user experience.
• Familiarity with RESTful API. • Release applications to IOS and Google Play stores. • Work with native modules when required.
• Complete the sprints according to the estimated time and participate in sprint retrospectives and daily standups.
• Be part of a community of React Native developers who share knowledge and help each other as problems arise.

• Can architect UI systems and has a well-honed understanding of the strengths and weaknesses of different frameworks.
• Cherishes the craft of an experience getting to perfect pixels, creating animations with just the right springs, investing in loading performance.
• Is familiar with React, Node. JS, NoSQL databases like Firebase, and AWS.
• Collaborates actively with designers, product managers, product scientists, and other engineers.

Responsibilities:

• Build React Native apps from scratch that'll be used globally.
• Architect App infrastructure systems like caching, state manager, common validation framework, etc.
• Launch the apps in different app stores like Apple, Google, etc.
• Create custom reusable Component Library
• Create data visualizations like charts, tables, dashboards, etc.
• Write well tested, beautiful, performant and bug free code.
• Thrive in a collaborative team environment and work with challenging timelines.
• Establish and advocate front-end coding guidelines.
• Mentor team members and help resolve any critical blockers.

Requirements:

• A self-driven, hard-working Frontend engineer with an eye for detail.
• Bachelor's Degree or equivalent in Computer Science
• Minimum 4 years of overall experience with expertise in working in React Native, Redux and TypeScript
• Strong understanding and knowledge of Styling
• Experience in writing native code for Android and iOS
• Strong debugging skills for Android and iOS.
• Experience in launching apps in various App Stores.
• Experience with GraphQL is a plus.
• Familiarity with modern front-end build pipelines and tools

Spotnana is a stealth startup that is building the technology stack to solve the experience, trust, and transparency challenges that legacy players in a $1.8 trillion industry refuse to.  We were told it can’t be done - and now we’re doing it.

Based in the San Francisco Bay Area, our founding team consists of veterans from Google, Amazon, Twitter, Airbnb, Expedia, ThoughtSpot, FreshDesk, Goldman Sachs, Oyo, SAP, and Cohesity 

Join us to find out what Silicon Valley investors and early backers of Airbnb, Amazon, Facebook, LinkedIn, Brex, Palantir, Revolut, and Snowflake see in our mission.

Let's explore creating one of the best pieces of work ever made, together.