Frontend Developer

🔴Profile: React Native Developer

🔷 Experience- 2+ Years

🔷 Location- Mumbai, Andheri East

🔷 Mode- 5 Days WFO

(Only immediate joiners & candidates who have completed notice period)

✨ What we want:

✅ 2+ years React Native experience

✅ JavaScript, JSX & mobile development

✅ React Hooks & component lifecycle

✅ Native module integration (iOS/Android)

✅ State management (Redux/Context API)

✅ REST APIs & third-party integrations

✅ Navigation libraries (React Navigation)

✅ Mobile UI/UX best practices

✅ Testing frameworks (Jest, Detox)

✅ Mumbai, Andheri East based candidates only

No relocation cases - candidate should be present in Mumbai

About the Role

At Ceryneian, we’re building a next-generation, research-driven algorithmic trading platform aimed at democratizing access to hedge fund-grade financial analytics. Headquartered in California, Ceryneian is a fintech innovation company dedicated to empowering traders with sophisticated yet accessible tools for quantitative research, strategy development, and execution.

Our flagship platform is currently under development. As our Frontend / Full Stack Engineer, you’ll lead the creation of a stunning, intuitive user experience—spanning our landing page, drag-and-drop strategy builder, trading dashboards, and internal tools. You’ll collaborate closely with design, backend, and DevOps teams to build high-performance, secure, and scalable customer-facing applications. This role is central to delivering the reliability, flexibility, and performance our users will rely on in fast-moving financial markets.

We are a remote-first team and are open to hiring exceptional candidates globally.

Core Tasks

·      Design, build, and deploy customer-facing interfaces, including the strategy builder, dashboards, and marketplace.

·      Implement reusable UI components based on Figma designs; integrate charting tools like TradingView or Highcharts.

·      Own the frontend development pipeline, including prototyping, implementation, testing, and responsiveness.

·      Implement secure authentication and user management (OAuth2, JWT, multi-role access).

·      Build real-time web experiences using WebSockets, REST, and client-server integrations.

·      Collaborate with backend and DevOps teams to streamline data flow and deployment workflows.

Top Technical Competencies

·      Strong foundation in HTML/CSS, JavaScript/TypeScript.

·      Proficiency in modern frontend frameworks such as React (Next.js), Svelte, Angular, Vue, or Phoenix.

·      Experience with OAuth2 and secure authentication workflows.

·      Familiarity with server-side rendering (SSR) and modern state management (Zustand, Redux, MobX).

·      Integration experience with charting libraries such as TradingView, Recharts, or Highcharts.

·      Deployment experience using platforms like Vercel, Heroku, GCP, or AWS.

·      Working knowledge of WebSockets, REST APIs, and data streaming models.

·      0–3 years of frontend development experience.

Bonus Competencies

·      Familiarity with Supabase, PostgreSQL, Firebase, or MongoDB.

·      Understanding of microfrontend architectures or API Gateway patterns.

·      Experience with WebAssembly and real-time trading interfaces.

·      Exposure to fintech platforms or trading systems.

·      Background from Tier-I or Tier-II institutions with strong computer science fundamentals, a passion for scalable system design, and a drive to build cutting-edge fintech infrastructure.

Ideal Candidate

You’re a design-minded full stack engineer who builds fast, clean, and modular frontend systems. You thrive on making complex interfaces intuitive—turning strategy logic into drag-and-drop workflows—and can ship high-performance components that integrate seamlessly with real-time APIs. You value design systems, scalable frontends, and cross-functional collaboration.

What We Offer

·      Opportunity to shape the product interface of a next-gen fintech startup.

·      A collaborative, technically driven culture.

·      Competitive compensation with performance-based bonuses.

·      Flexible working hours and a remote-friendly environment.

·      Exposure to financial modeling, trading infrastructure, and real-time systems.

·      Collaboration with a world-class team from Pomona, UCLA, Harvey Mudd, and Claremont McKenna.

Frontend Developer

Responsibilities:

·         Develop our new products

·         Define and design common reusable components

·         Enhance and maintain our existing products

·         Interact with other teams, as well as with our users

·         Act on user feedback

Qualifications:

·         Experience as a front-end or full-stack software engineer in AWS environment

·         Knowledge of modern JavaScript and its fundamentals, as well as JavaScript frameworks such as ReactJs, Redux, Bootstrap, Jest, Material-UI

·         Strong understanding of web technologies like HTML5 and CSS3

·         Experience with a server-side language would be an advantage. We use mostly Python/Java, but any server-side language would be an advantage.

·         Knowledge of AWS API gateway, microservice architecture, serverless architecture, RESTful services

·         Proven ability to learn new technologies

·         Always using good software engineering practices such as code review, source control, continuous integration, and unit testing

·         Ability to work in a team with other developers, with UX Designers, and with Product Management

·         Ability to interact with our users and customers, with clear communication

·         Problem solving skills, strong analytical skills, strong hands on experience, delivery track record of medium/large complexity of projects, TDD/BDD, awareness of CI/CD pipeline

Immediate Joiners Preferred. Notice Period - Immediate to 30 Days

Interested candidates are requested to email their resumes with the subject line "Application for [Job Title]".

Only applications received via email will be reviewed. Applications through other channels will not be considered.

Overview

Adesso India specialises in optimization of core business processes for organizations. Our focus is on providing state-of-the-art solutions that streamline operations and elevate productivity to new heights.

Comprised of a team of industry experts and experienced technology professionals, we ensure that our software development and implementations are reliable, robust, and seamlessly integrated with the latest technologies. By leveraging our extensive knowledge and skills, we empower businesses to achieve their objectives efficiently and effectively.

Job Description

We are looking for a skilled and experienced Senior Frontend Developer specializing in frontend development to join our team. In this role, you will be responsible for designing and implementing user interfaces that enhance our customer experience. Your contributions will play a critical role in driving the success of our projects by creating dynamic, intuitive, and responsive web applications.

Responsibilities:

Develop, maintain, and enhance web applications using front end tools to create seamless, user-friendly experiences.

Collaborate with cross-functional teams, including UX/UI designers, product managers, and backend developers, to deliver high-quality products.

Write clean, maintainable, and scalable code while adhering to best practices in frontend development.

Perform code reviews, optimize application performance, and debug issues for a smooth user experience.

Stay updated on the latest frontend features and web development trends to bring innovative ideas to the team.

Skills & Requirements

Angular 18+, TypeScript, Async Programming (e.g. Observables, Promises, RxJS, Signals), State management (e.g. ngRx, ngXs), Component libraries (e.g Angular CDK, PrimeNG), React.JS, State management (e.g. Redux), Component libraries, NextJS, Vue JS , TypeScript, State management (e.g. VueX, Redux), Component libraries (e.g Vuetify), NuxtJs, APIs (e.g. REST, RESTful API), Async Programming (e.g. Observables, Promises), Lazy Loading, Unit testing (e.g Jest), Integration testing / E2E testing (e.g Cypress), Linting (e.g. ESLint, Prettier, SonarLint), Build Tools (e.g. npm, webpack), Dev Tools (e.g. Git, Atlassian Jira, Atlassian Confluence), Single-Sign-On (e.g. OAuth2, Open ID Connect, JWT, SAML), Progressive Web Apps / pwa, Other APIs (e.g. GraphQL, WebSocket, Server-Sent-Events / SSE, gRPC), Containerisation (e.g. Docker, Kubernetes / K18n), CI/CD (e.g. Gitlab, GitHub, Jenkins, Bamboo, Azure DevOps), Cloud experience (e.g. AWS, Azure, GCP).

What does the core role include?

• Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
• Designing stateless components in React Native
• Contributing in all phases of the development lifecycle
• Working with the developers to create and maintain a robust framework to support the apps
• Working with the developers to build the interface with a focus on usability features
• 
  

What else can you expect in the role?

• Prepare and produce releases of software components
• Optimizing performance for the apps
• Problem-solving skills, analytical mind, and positive attitude
• Ability to think from end users perspective and focused on improving the overall product experience.
• Deliver across the entire app life cycle concept, design, build, deploy, test, release to app stores and support
• 
  

What can fetch you brownie points?

• Hands on experience with React Native is required
• Hands-on experience in React Native APIs, ReactJS, Javascript, ECMAScript (OOJS) and JSX.
• Strong understanding of JavaScript ecosystem
• Hands on experience on Android in creating Hybrid / Native applications
• Demonstrable UI/UX experience on a large-scale app.
• Thorough understanding of React Native development tools like IDEs (Nuclide, Atom, Sublime Text, or Visual
• Good knowledge of JS frameworks like ReactJS is a plus.

Desired Skills and Experience

Hybrid Apps,React Native, Native iOS and Android Architecture understanding

6-9 years of relevant experience in building webapps at scale

You must have strong understanding of semantic HTML / HTML5, CSS / CSS3.

You must have a good understanding of MVC architecture.

Prior work experience in ReactJS is Must

You must have experience in setting up the full UI workflow layer right from Development, Testing, Building and Deployment.

Never give up attitude

Experience in frameworks like Bootstrap, Foundation and CSS pre-processors like SASS and LESS is desirable.

You should have exposure to page speed improvement techniques.

Exposure of building responsive websites at scale will be a plus.

Prior exposure to building React Native components for Hybrid mobile apps will be a plus

Prior work experience in Angular, Backbone along with ReactJs is desirable.

Good understanding of webpack and redux