UI Developer

About the Role

We are seeking a creative and technically strong Frontend Developer with expertise in 3D animations to join our team. You will play a key role in building interactive, visually engaging, and high-performance web applications using modern frameworks and 3D libraries. This role involves close collaboration with designers, product managers, and backend engineers to deliver immersive digital experiences.

Key Responsibilities

• Develop and maintain responsive, user-friendly web applications.
• Implement 3D models, animations, and interactions using Three.js, WebGL, or Babylon.js.
• Collaborate with UI/UX designers to transform creative concepts into smooth, interactive experiences.
• Optimize performance for real-time rendering and animations across devices and browsers.
• Integrate backend APIs for data-driven 3D visualizations and dynamic content.
• Stay updated with the latest trends in frontend development, 3D frameworks, and animation tools.
• Ensure cross-browser compatibility, scalability, and maintainability of code.

Required Skills & Qualifications

• 3+ years of professional experience as a Frontend Developer.
• Strong proficiency in HTML5, CSS3, JavaScript (ES6+).
• Experience with React.js / Next.js (or other modern frontend frameworks).
• Hands-on expertise in 3D libraries: Three.js, WebGL, Babylon.js (or similar).
• Knowledge of animation frameworks: GSAP, Framer Motion, Anime.js.
• Strong understanding of rendering performance optimization (shaders, textures, lighting).
• Familiarity with design tools: Figma, Adobe XD, Blender, or similar.
• Excellent problem-solving, debugging, and communication skills.

Job Title: Associate Frontend Engineer

Job Summary:

We are looking for a passionate and motivated Associate Frontend Engineer with 1 to 2 years of experience to join our product engineering team. In this role, you will work closely with experienced developers and designers to build seamless, performant, and user-friendly interfaces using modern JavaScript frameworks. You’ll gain hands-on experience in building production-ready web applications and learn how to deliver high-quality UI at scale.

This opportunity is ideal for individuals who are early in their careers and eager to grow through real-world development, mentorship, and continuous learning.

Website: https://www.thealteroffice.com/about

Key Responsibilities:

• Assist in developing and maintaining responsive, accessible, and performant web user interfaces.
• Work with modern JavaScript frameworks/libraries such as React, Vue, or Angular to build modular, reusable components.
• Translate UI/UX designs from tools like Figma into pixel-perfect, production-quality code.
• Write clean, maintainable, and well-documented HTML, CSS, and JavaScript (ES6+).
• Collaborate with product managers, backend engineers, and designers to deliver complete, integrated features.
• Learn and apply best practices in state management, component-driven development, and API integration.
• Participate in code reviews, understand and follow design systems, and contribute to a culture of code quality.
• Debug and resolve cross-browser, cross-device, and performance-related UI issues.
• Use tools such as Git, CI/CD pipelines, and frontend build tools (e.g., Webpack, Vite) as part of your daily workflow.
• Begin working with TypeScript, Tailwind CSS, and popular UI libraries (e.g., Material UI, Bootstrap) to enhance development efficiency and consistency.
• Follow accessibility guidelines and responsive design principles, ensuring your UI works for all users.
• Gain exposure to linting tools, formatters, testing libraries (unit/integration/e2e), and performance profiling using browser dev tools.

Requirements:

• 1 to 2 years of experience in frontend development through internships, academic projects, freelance work, or personal side projects.
• Solid understanding of HTML, CSS, and JavaScript (ES6+) fundamentals.
• Familiarity with at least one modern JavaScript framework (React, Vue, Angular).
• Understanding of version control systems like Git and ability to collaborate in a team-oriented development workflow.
• Willingness to learn and apply best practices in UI performance, security, accessibility, and maintainability.
• Strong problem-solving abilities, attention to detail, and eagerness to grow through mentorship and feedback.
• Effective communication skills and ability to work in a fast-paced, agile team environment.

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:

• Job involves working on the latest technologies and frameworks in mobile and open source world to develop mobile applications, mobile websites and rich internet applications.
• Candidate should be Collaborative and Quality-focused, resourceful initiative taker, and someone who has good English communication skills.

Desired Candidate Profile:

• Work as part of a team to build React Native iOS / Android applications for clients.
• Architect, build and maintain excellent React Native applications with clean code. Experience with React Js, React Native, JavaScript
• Implement pixel perfect UI's that match designs.
• Implement clean, modern, smooth animations and transitions that provide an excellent user experience.
• Familiarity with RESTful API. • Release applications to IOS and Google Play stores. • Work with native modules when required.
• Complete the sprints according to the estimated time and participate in sprint retrospectives and daily standups.
• Be part of a community of React Native developers who share knowledge and help each other as problems arise.

Role Overview: As an Angular Developer (SDE 1), you will be responsible for developing and

maintaining high-performance, scalable web applications using Angular. You will work closely with

product managers, designers, and backend developers to create seamless and efficient user

experiences.

Key Responsibilities:

• Application Development: Design, develop, and maintain robust web applications using

Angular.

• UI/UX Implementation: Work with designers to implement responsive and user-friendly

interfaces.

• Code Quality: Write clean, maintainable code and conduct code reviews to ensure high

quality standards.

• Bug Fixing: Identify and resolve bugs and performance issues in a timely manner. •

Collaboration: Collaborate with cross-functional teams including backend developers,

designers, and product managers to deliver high-quality solutions.

• Testing: Develop and execute unit tests and integration tests to ensure application reliability. •

Documentation: Create and maintain technical documentation for code and processes.

Requirements:

• Education: Bachelor’s degree in Computer Science, Engineering, or a related field, or

equivalent practical experience.

• Experience: 1-2 years of professional experience in developing web applications with

Angular.

• Technical Skills:

o Proficiency in Angular (version 2+), TypeScript, HTML, and CSS.

o Experience with RESTful APIs and integrating with backend services.

o Familiarity with version control systems (e.g., Git).

o Understanding of responsive design principles and cross-browser compatibility.

• Soft Skills:

o Strong problem-solving skills and attention to detail.

o Ability to work collaboratively in a team environment.

o Good communication skills and the ability to articulate technical concepts to non

technical stakeholders.

Nice-to-Have:

• Experience with state management libraries such as NgRx or RXJS.

• Knowledge of modern front-end build tools and workflows (e.g., Webpack, npm). •

Familiarity with Agile methodologies and practices.

1. Experience in Website Development.

2. To create web pages through HTML and CSS in alignment with PSD design and themify them. In other words, combine interface design concepts with digital design.

3. The candidate should have hands-on experience in Adobe Photoshop and Adobe creative suite. And should be proficient enough in designing the UI of websites with great user experience.

4. Ability to translate business requirements into system design and perform as per the needs.Capable enough to analyze the user’s choice over graphics and animation needs.

5. Conduct testing of completed applications to assess user experience.

6. Use coding to develop the aesthetics implemented within a website, from the layout menus and drop-down options to colours and fonts.

7. Ensuring all interactions are intuitive and convenient for the audience.

8. Collaborate with back-end web developers and programmers to improve usability.

9. Ensure that the website is optimized for various devices.

10. Coordinate with the testing team and work closely with them and implement the changes as asked by them.

11. The candidate must be ready to take responsibility, ownership of code, be independent, and at the same time is open to learning something new.

12. Basic knowledge of PHP.

In this role you will

• Be a part of a small UI team and will work closely with the UXdesigner and product manager to shape the product design.
• Build web UI components for a cloud-native SaaS product.
• Drive clear requirements for the backend APIs working closely withthe backend engineers.
• Focus on quality and velocity by developing appropriate tests.

Requirements

• Highly motivated self-starter with a builder’s mindset.
• 5+ years of web UI development experience.
• Highly skilled in JavaScript, HTML and CSS.
• Deep knowledge and experience of REST APIs.

Preferred: experience with frameworks such as React

Preferred: full stack development experience