Senior 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.

Job Description Experience Location Duration Budget

Ruby On Rails Developer Must Have Skills:

● Overall 5+ years of experience in software engineering.

● 1.5+ yr experience with Ruby on Rails.

● Experience writing test cases using Rspecs

● Good understanding of front-end technologies and frameworks, such as ReactJS

● Solid experience with web services.

● Understanding of JavaScript dependency management and build tools.

● Experience with MongoDB, Postgresql, MySQL database.

● Comfortable in a work environment that requires strong problem-solving skills and independent self-direction coupled with team collaboration and open communication

● Understanding of RESTful web services

● Work in a fast-paced, creative atmosphere to develop new ideas that adapt to evolving user needs

● Experience using Git / GitHub.

● Experience with AWS services.

Good To Have:

● Experience with Infrastructure as Code (IaC) tools like Terraform for managing cloud

infrastructure. isko Summarise karo mujhe cutshort par post karna hai

Responsibilities

• Interact closely with design, product, and development teams to create elegant, usable, responsive and interactive interfaces across multiple devices.
• Turning UI/UX designs into prototypes, creating excellent interactions from designs, writing reusable content modules and maintainability of the code.
• Implement UI development principles to ensure that the product client-side serves at scale.
• Review and optimize the app usage by monitoring key metrics and rectifying the issues proactively.
• Review and Optimize application usage, by monitoring key metrics, for maximum speed and scalability
• Mentoring and guiding the team members.
• An ability to perform well in a fast-paced environment and bring in optimal flow for rapidly changing design/ technology.

Requirements

• 5+ years of relevant work experience as a web developer, UI developer, Angular Developer or front-end engineer.
• Sound knowledge in HTML, CSS & JavaScript.
• Familiar with UI layouts, SASS, Bootstrap, and the CSS GRID system
• Proficient with Typescript (Angular 2 & above)
• Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system.
• Passionate to create good design and usability
• A team player with excellent communication skills

What you need to have:

• 5+ years of experience in software engineering
• A background in front-end web development and/or API development.
• Demonstrated competency in one or more of the following: JavaScript, TypeScript, React/Redux, AngularJS,  or comparable JavaScript MVC framework.
• Demonstrated competency in one or more of the following client-side build tool: Webpack, gulp, jspm
• Have a good understanding of what good UX and UI design are.
• Experienced in client-side framework/technologies before such as: React, AngularJS, jQuery, HTML, CSS
• Experienced in using client-side build tools such as gulp, WebPack, JSPM, NodeJS, and other CLI is a plus
• Understand how to get good performance on UI implementation (time to interaction, bundling, and splitting resources)
• Some previous work portfolios would be great.
• Good knowledge of how to use source control systems like git and GitHub.

As the technical lead, you will oversee the company's technical team and all projects they undertake, analyze briefs, write progress reports, identify risks, and develop work schedules. You should be able to work with your team and inspire them to reach their goals.

To be successful as a technical lead, you should always be expanding your industry knowledge and be able to quickly identify problems. Outstanding technical leads are accountable, trustworthy, and able to build lasting relationships with their teams.

Responsibilities:

• Determining project requirements and developing work schedules for the team.
• Delegating tasks and achieving daily, weekly, and monthly goals.
• Liaising with team members, management, and clients to ensure projects are completed to standard.
• Identifying risks and forming contingency plans as soon as possible.
• Analyzing existing operations and scheduling training sessions and meetings to discuss improvements.
• Keeping up-to-date with industry trends and developments.
• Updating work schedules and performing troubleshooting as required.
• Motivating staff and creating a space where they can ask questions and voice their concerns.
• Being transparent with the team about challenges, failures, and successes.
• Writing progress reports and delivering presentations to the relevant stakeholders.

Requirements:

• Bachelor's/Master's degree in computer science, engineering, or a related field.
• A 3-4 years of experience in a similar role would be advantageous.
• In-depth experience in working with Reactjs and Go.
• Excellent technical, diagnostic, and troubleshooting skills.
• Experience with blockchain technology preferable.
• Strong leadership and organizational abilities.

We are looking for an Angular Developer and your primary focus will be to implement a complete user interface in the form of a mobile and web app, with a focus on performance. The main duties will include creating modules and components and coupling them together into a functional app. The artistic design will be delivered to you, together with a few wire frames templates, but your assistance will be required regarding animations, CSS, and final HTML output. You will work in a team with the back-end developer and communicate with the API using standard methods.

Responsibilities:

• Delivering a complete front-end application
• Ensuring high performance on mobile and desktop
• Writing tested, idiomatic, and documented JavaScript, HTML and CSS
• Coordinating the workflow between the graphic designer, the HTML coder, and yourself
• Cooperating with the back-end developer in the process of building the RESTful API
• Communicating with external web services

Skills and Qualifications

• Deep knowledge of Angular practices and commonly used modules based on extensive work experience
• Proficiency with JavaScript and HTML5
• Creating self-contained, reusable, and testable modules and components
• Extensive knowledge of CSS and JS methods for providing performant visual effects
• Validating user actions on the client side and providing responsive feedback
• Creating custom, general use modules and components which extend the elements and modules of core Angular
• Experience with building the infrastructure for serving the front-end app and assets

UROOJ is looking for a Front-End UI/UX Developer who is motivated to combine the art of design with the art of programming. Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application. You will work with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides.

Technical Experience:

• Minimum 5 years of interactive design experience
• Must be highly proficient in CSS3, HTML5, Javascript, Web
  technologies such as Angular2, Bootstrap,Backbone.JS, React Native,
  React.JS, JQuery, Knockout, and Redux
• Well versed with RESTful web services
• Experience developing custom reusable components
• Experience developing complex design components.
• Strong knowledge of Object-Oriented Programming
• Good understanding/experience in the following technologies would be a plus:
• Agile Methodologies
• Data Modelling / UML
• Knowledge of Unix Shell scripting

Desired Candidate Profile

• Minimum 5-10 years of experience in UI development
• Bachelor's Degree preferred, or equivalent combination of education, training, and experience
• Must possess and demonstrate a good understanding of user interface design, usability
• Extremely attentive to details and efficiency to work under tight deadlines
• Must be Result oriented & should have an ability to work independently
• Experience in resolving cross-browser compatibility issues
• Makes it a point to avoid typical loopholes and points of failure in the code and passionate about solving issues as quickly as possible
• Attention to detail and pixel perfection
• Should be independent and confident in handling daily task

Responsibilities 
- Develop new user-facing features 
- Ensure the technical feasibility of UI/UX designs 
- Optimize application for maximum speed

Skills And Qualifications 
- 2+ years of experience in ReactJS and Redux 
- 1+ completed project of reasonable size using server-side rendering 
- Knowledge of Preact is a plus 
- Proficient understanding of web markup, including HTML5, CSS3 
- Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS 
- Good understanding of asynchronous request handling, partial page updates, and AJAX 
- Proficient understanding of cross-browser compatibility issues and ways to work around them. 
- Proficient understanding of Git