Frontend Developer

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.

Sizzle.gg is an exciting new startup that’s changing the world of gaming.  At Sizzle, we’re building AI to automate gaming highlights, directly from Twitch and YouTube streams. We’re looking for a superstar front-end engineer that can work closely with UI/UX designers and continuously improve our site.  

You will:

• Work closely with UI/UX designers and the management team to make iterative enhancements to the website, using React, HTML & CSS
• Keep iterating and improving our client video player in React and Meteor.js
• Run numerous A/B tests on the website design, layout, color scheme, button placement, images/videos, and other objects to optimize time on site and conversion
• Create other online assets in similar style, such as HTML emails, ad landing pages, and more
• Work closely with marketing and management team to ensure successful adoption of the app, and make iterative changes to make them more user-friendly
• Work with the rest of the engineering team (back-end engineers, AI engineers) to optimize the user experience across both the site and the apps

You should have the following qualities:

• Must be an expert in React.js, HTML5, HTML, CSS, and related web technologies.  Ideally also have expertise in Meteor.js.
• Must have expertise in Bootstrap and have built responsive websites with high polish
• Familiarity with AWS environments
• Excited about working in a fast-changing startup environment
• Have a point of view on designs, usability, and delivering what the user wants
• Willingness to learn rapidly on the job, try different things, and deliver results
• Ideally a gamer or someone interested in watching gaming content online
• Looking for someone in Bangalore or willing to relocate

Key Skills/ Knowledge:

• Experience with React or any JS frontend frameworks
• Experience with, HTML5, CSS3 and CSS pre-processor like SASS or LESS.
• Proficient in JavaScript, including DOM manipulation
• Understanding of React and its core principles
• Experience with React workflows (such as Redux)
• Familiarity with the newer specification of JavaScript (ES6 or newer)
• Experience working with JSON
• Experience building accessibility compliant web applications
• Familiarity with code versioning tools (git)
• Familiarity with browser testing and debugging
• Familiarity with unit testing
• Experience working in an Agile environment
• Ability to understand business requirements and translate them into technical requirements

• Conceptualizing creative ideas with clients.
• Testing and improving the design of the website.
• Establishing design guidelines, standards, and best practices.
• Maintaining the appearance of websites by enforcing content standards.
• Designing visual imagery for websites and ensuring that they are in line with branding for clients.
• Working with different content management systems.
• Communicating design ideas using user flows, process flows, site maps, and wireframes.
• Incorporating functionalities and features into websites.
• Designing sample pages including colors and fonts.
• Preparing design plans and presenting the website structure.

• A relevant diploma in a related field.
• Proficiency in graphic design software including Adobe Photoshop, Adobe Illustrator, and other visual design tools.
• Proficiency in front-end development web programming languages such as HTML and CSS, JQuery, and JavaScript.
• Good understanding of content management systems.
• Good understanding of search engine optimization principles.
• Proficient understanding of cross-browser compatibility issues.
• Excellent visual design skills.
• Up-to-date experience with international web protocols, standards, and technologies.
• Creative and open to new ideas.
• Adaptable and willing to learn new techniques.
• Excellent communication skills.

• 3-4 years of experience in IT with 3 +minimum years of experience in React Development
• Previous experience working as a react.js developer.
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Knowledge of REACT tools including React.js, Enzyme, Redux, and Flux.
• Experience with user interface design.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.
• Solid analytical and problem-solving skills.
• Strong interpersonal, written and verbal communication skills.
• Experience with gathering user requirements and understanding and interpreting requirements specifications
• Experience with full System Development Life Cycle is a plus
• Maintain time reporting on projects and provide timely updates to project milestones.

• 3 to 5 years of experience in UI Development and hands on experience on Angular2 or Angular 2+, Node etc.
• Exposure to cross browser compatibility issues, SCSS as the CSS macro-processor, sprites etc.
• Experience with Jira, SVN, Git will be added advantage
• Passionate and eager to learn new technologies
• Intimately knowledgeable about all things web and mobile
• Demo able portfolio on website or GitHub will be given preference
• Must have knowledge on Java script, jQuery, ECMAScript
• Strong proficiency in JavaScript (ES6) or TypeScript
• Familiarities with modern JavaScript tools, like npm and webpack
• Excellent technical design, problem solving and debugging skills.
• Experience building JavaScript/CSS Frameworks or shared component libraries used in large scale production websites.
• Understands frontend software design patterns (e.g. asynchronicity, data binding, modules, objects, promises).
• Knowledge of professional software engineering practices & best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations.
• Working with MVVM, MVP, MVC patterns

Requirements

• Convert design to Angular 5 components
• Use SCSS as the CSS macroprocessor
• Integrate the Angular services with APIs from the backend team
• Implement UI development best practices to write optimized and non-buggy code
• Work in Agile environment with sprint releases ranging from 2 to 4 weeks
• Feasibility study of requirement and suggest multiple approaches for a problem after sufficient RnD
• Keep abreast with trending recent UI tools, technologies, plugins and software in the industry
• “Roll-up your sleeves” attitude to get things done
• Test your screens using a tool for all browsers and resolution compatibility
• Handle and track tasks assigned using Agile methodology
• Strong commitment towards quality and schedule.
• Cross team coordination

Job Location- Pune

Experience – 4 to 7 Years 
Notice Period - Immediate preferred 

The Ideal Candidate-

This position is for UI Developers with hands-on experience in leading-edge technologies, looking to mark a niche in the software Industry

Essential Skills-
.

• Strong Command on Core Javascript, Core Java
• Strong Command on Angular JS and React JS
• Strong Knowledge of HTML5, CSS3 
• Highly Preferred, experience in D3, Canvas API 
• Ability to work on advanced javascript frameworks

If you are interested in an exciting role with learning and rewards, do apply.