MEAN Stack 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.

Meet with stakeholders, customers, and project teams to collect requirements, scope projects, and contribute to creative 

and technical concepts 

∙Implement modifications to existing campaigns to accommodate changes in user requirements 

∙Employ best practices in developing, conducting, and interpreting A/B tests and personalization campaigns focused on user 

experience and effectiveness against project goals 

∙Identify areas for improvements and assist in managing projects to implement enhancements to completion  

∙Maintain campaign code in GitHub following established organization standards and development guidelines 

∙Ensure team process to enter and track implementation information including work items, tasks and issue management 

using JIRA 

Tools: 

∙Must have 5+ years minimum experience in building and maintaining web applications. 

∙Must have experience in web technologies HTML5, CSS3, JSON, JavaScript, Web services (SOAP/REST). 

∙Must have Experience in CSS and JavaScript frameworks like Bootstrap, jQuery etc. 

∙Experience with SASS/LESS frameworks. 

∙Experience with source control systems like TFS, GIT etc. 

∙Experience with JavaScript application frameworks such as Angular, React or Vue.js is a plus. 

∙Knowledge of scripting languages and object-oriented concepts. 

∙Experience with Agile / Scrum software development practices. 

∙Excellent troubleshooting and communication skills. 

∙Experience in any content management systems (CMS) preferred but not required. 

∙Ability to work independently and as part of a team. 

∙A/B Testing or Personalization experience is preferred but not required. 

∙Bachelor's degree in computer science, engineering or a related discipline with an information technology focus or 

equivalent experience

What You'll Do:

• You will collaborate with a UX/UI designer and other frontend and middle-tier engineers to design, prototype, and build complex cloud-based web applications.
• You will assist other developers with the integration of UI components with backend logic, interface implementation, and troubleshooting.
• Supporting the existing UI is a must, however, there will be plenty of opportunities to create solutions for advanced functionality while making improvements to existing areas of the application, as well as with new features.

What Makes You A Great Fit :

• Hands-on experience with HTML, CSS frameworks, and JavaScript
• Must have an excellent understanding of the browser DOM.
• Firm grasp of lexical scoping, closures, and OO JavaScript.
• Proficient in native JavaScript as well as one or more frameworks/libraries such as jQuery, Ext JS, Backbone.js, ReactJS, Angular 6 and above, etc.
• Proficient with debugging and testing tools to troubleshoot and optimize the UI.
• Understanding of frontend security best practices and XSS, CSRF, e

Mandate Skill - Angular, Unit Testing 

Please note we are looking for immediate joiners

Designation Offered: Engineer CL 2 – I & II (Software Engineer / Lead Engineer)

UI/UX Developer Responsibilities:

• Design, build, and maintain highly reusable Angular, JavaScript, HTML and CSS code.

• Translate user behavior and research into actionable data.

• Design and create mockups and user journeys for a wide range of devices including mobile.

• Rapid development and testing methodology.

• Ability to communicate research and design ideas to the rest of the team and upper management.

• Ability to communicate with the backend to display data in the UI

• Ability to handle graphs of different types, real-time huge data display on the web page

Position Overview

Front-End UI/UX developer with a combined skillset of application design and web programming. Responsibilities will include converting the UI designs to actual code that will produce visual elements of the application. You will be working on the UI/UX technical implementation of the application functionality.

To be successful in this role, you should have very good experience in programming and interaction with the backend. The team develops web applications, and mobile-based applications, which need to display graphs, data and images in real-time. The candidate should able to display huge data efficiently.

Experience:

• A minimum of 4 years of relevant experience in a similar role

Qualification:

• Bachelor of Engineering (BTECH / BE) or Masters (MTECH / MS / MCA ) in Computer Science / Electronics / Information Science from reputed institutions

UI/UX Developer Requirements

• Proficiency with Angular, JSP, HTML, and CSS, bootstrap.

• Knowledge of Adobe Photoshop, Illustrator, Sketch or other Graphics designing tools

• Good understanding of client-side scripting and JavaScript frameworks like jquery, Node.js, React.js, and Durandal framework.

• Proven work experience as a UI/UX developer or similar role.

• Team spirit, and strong communication skills to collaborate with various stakeholders

• Good time-management skills

• Good programming knowledge of design and development of drag and drop activities, graph components and data tables with different options in tables.

Tools

Visual Studio, Adobe Photoshop

Front-end languages:

HTML 5, CSS3, jquery, JavaScript, Angular and bootstrap.

Additional skillset

• Proficient understanding of cross-browser compatibility issues and ways to work around them.

• Good knowledge of version control tools SVN (Check-in, check-out, branching-merging policies), and automated build and release management tools is a plus.

• Strong communication skills (written, verbal), and interpersonal skills to be able to communicate effectively with all levels of staff and external clients.

• Strong analytical and problem-solving skills."

Build large scale web applications with Single Page Applications (SPA) architecture.

Experience to develop MV(C) based front end frameworks.

Experience with JavaScript, HTML, CSS.

Experience with JavaScript frameworks like Angular, preferably React.JS.

Good understanding of asynchronous request handling, partial page updates, AJAX and Redux.

Proficient with Chrome Developer Tools.

Additional Preferred Qualifications

Experience in Restful API services.

Experience in using performance, analytics and UX tools.

Experience with pull request process and contributing to OSS on github.com.

Experience with unit testing frameworks Mocha and Chai.

Experience with Jenkins.