Software Engineer - Frontend

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.

Job Description:

We are hiring Javascript developers to join our team in developing enterprise mobile applications. This person will work closely with the UX team, as well as, other engineering teams while developing applications and user interfaces.

Experience & Expertise:

• Highly skilled at front-end engineering using Object-Oriented JavaScript with at least 2+ years of extensive experience on Javascript libraries and micro frameworks
• Expertise on frameworks like , React JS, React Native, Redux, Typescript, etc is highly preferred
• Should have strong hands on mobile cross-platform application development
• Experience integrating user interfaces with middle-tier code and back-end data sources
• Strong analytical, problem-solving, organizational, and detail-oriented skills
• Must be able to work both on a team or individually, in an adaptable, agile environment
• Excellent communication skills

Job Responsibilities:

• Work closely with the user experience team to develop functional prototypes
• Work with development teams to implement user experience deliverables
• Contribute UI component code to a shared controls library and resource dictionary
• Participate in product definition and strategy development
• Collaborate with team members, developers, and third parties to ensure the integrity of the interaction is maintained throughout the project development life cycle
• Support quality assurance testing processes

Skills Required:

Ionic Framework, Angular 2, Redux, TypeScript, Cross platform, Micro frameworks, React JS, React Native,

 Strong Angular experience.

•            Proficiency with Javascript/Typescript and HTML5, Bootstrap, CSS5/SCSS

•            Knowledge on Jquery

•            Experience on building the rich user interface.

•            Translate UI/UX design wireframes to code

•            Develop user interfaces for modern rich internet applications with the latest front end technologies

•            (Good to have) Experience on creating the animation effects with the latest front end technologies.

Responsibilities

As a Frontend Developer (Next.js) you will be responsible for -

•  Building the Complete UI/UX of our web application from scratch.
• Work closely with the Backend Engineer to integrate the algorithmic output from the backend REST APIs.
• Work closely with the product owners to create dynamic infographics with intuitive user controls.
• Work closely with our web Designer for bringing design to life.
• Participate in UAT, troubleshoot, bugs and application integration issues
• Create and maintain documentation related to the developed processes and applications

Qualification & Experience

• 2-3 years of demonstrable experience designing, building and working as a Next.js Developer for enterprise web application
• Ideally, this would include the following:
• Expert-level proficiency with Next.js and all its concepts
• Expert-level proficiency with JavaScript (ES6), HTML5 & CSS
• Expert-level proficiency with ReactJS and all its concepts like Hooks and Redux
• Familiarity with Python, Django, and Django Rest Framework
• Understanding of REST concepts and interacting with REST APIs
• Deep understanding of a few UI concepts:
• Cross-browser compatibility and implementing the responsive web design
• Familiarity with common JS visualization libraries built using D3, Chart.js, Highcharts, etc.
• Understanding of Next.js coding Standards
• Experience working with UX designers and bringing design to life
• In addition, the ideal candidate would have great problem-solving skills and familiarity with code versioning tools such as Github

Knowledge and Skills:

• Writing semantic, modern, and accessible HTML mark-up.
• ReactJS (v17),Type Script, HTML, CSS
• Organizing and writing modular, well-structured CSS.
• Mastery of turning complex mock-ups into performant components/pages.
• Strong familiarity with Vanilla JS and up to date with the latest TypeScript features.
• Experience with writing scalable and performant code for a high-traffic website.
• Experience and/or knowledge of both Object Oriented Programming and Functional Programming principles.
• Willingness and desire to learn new and legacy frameworks.
• CSS pre-processing via SCSS.
• Experience with JS frameworks such as React, Redux, Backbone, or Marionette.
• Experience with Continuous Integration or Continuous Delivery.

• Synthesize business requirements and translate them to appropriate technology solutions.
• Product development for C# and SQL based solutions.
• Modify existing software to correct errors, allow it to adapt to new hardware, or to improve its performance.
• Analyze user needs and software requirements to determine feasibility of design within time and cost constraints.
• Coordinate software system installation and monitor equipment functioning to ensure specifications are met.
• Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design.
• Think strategically and balance short-term needs with longer-term business priorities
• Challenge status quo and champion new ideas throughout cross functional organizations; ability to inspire confidence and trust with peers and cross functional business teams

Required Qualifications:

• Bachelor's Degree in Computer Science, Computer Engineering, Chemical Engineering or related field
• 4+ years overall and as a C# programmer and 1.5+ years in WPF.
• Should have hands on experience on desktop application development using UWP or WPF
• Should have worked on WPF in recent projects.
• Well versed in C#, SQL, HTML5, Java Script, ASP.NET, WPF, and MVC
• Excellent communication skills
• Team oriented

Preferred Qualifications

• Familiar with project management methodology, Agile/Scrum and TFS or JIRA
• Proven experience working directly with end customers or internal business units
• Prior experience working with global development teams
• Experience in IoT environments
• Experience in working in Azure