UI Developer - Angular

·      7+ years of professional experience in front-end development.

·      5+ years of hands-on experience with React.js and its ecosystem (Redux, Context API, Hooks, etc.)

·      Strong understanding of JavaScript (ES6+), HTML5, and CSS3.

·      Experience with RESTful APIs, GraphQL, and WebSocket integration.

·      Proficiency in modern build tools (Webpack, Vite, Babel, etc.).

·      Expertise in state management libraries (Redux, MobX) and React Query.

·      Solid understanding of UI/UX principles and responsive design.

·      Experience with testing frameworks (Jest, React Testing Library, Cypress, etc.).

·      Familiarity with modern CI/CD pipelines and version control tools (Git).

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 Responsibilities:

* Design, build, and maintain efficient, reusable, and reliable Java code

* Ensure the best possible performance, quality, and responsiveness of the applications

* Identify bottlenecks and bugs, and devise solutions to these problems

* Help maintain code quality, organization, and automatization

* Prepare the technical design of complex technology components

Mandatory Skills:

* Proficient in Java (JDK 1.7) or above JDK 8 preferable, with a good knowledge of its ecosystems with a knack for writing clean, readable Java code, writing reusable Java libraries along with knowledge of concurrency patterns in Java

* Solid understanding of object-oriented programming along with various design and architectural patterns

* Hands on experience with Spring, Spring Boot, JUnit

* Familiarity with concepts of MVC, Microservices, RESTful

Responsibilities:

• Build next-generation web applications which are efficient, reusable front-end abstractions and systems.
• Work closely with designers to implement versatile front-end solutions while embracing emerging standards and pushing the limits of what a browser can do.
• Actively participate in design and code reviews to build robust applications and prototypes.

Requirements:

• A deep expertise in Javascript.
• Looking for people with Mean STACK experience that includes: Node JS, Mongo DB, Angular JS, Bootstrap, Express, React JS.
• The above needs to be coupled with Javascript, HTML, CSS.
• Constantly and consistently implementing new features and optimise existing ones from controller- level to UI.
• Vigilantly and rapidly fix bugs.
• Continuously solving problems to give our customers a delightful shopping experience.
• Work closely with Team Lead, UX designers and back-end engineers to implement front end solutions.
• Endorsing upcoming standards, launching, iterating and making a difference.
• Passionate about implementing elegant User Interfaces using HTML and CSS.
• Ability to write well-abstracted, reusable, highly performant code for UI components.

Technical Solutions Specialist, App

• Understanding of products’ integration flows from a technical and sales perspective
• Work with the internal stakeholders in Criteo to understand client business objectives
• Providing feedback to our internal and/or client’s engineering team
• Be responsible and have ownership for the designed end to end solution’s projects
• Work in a fast-paced innovative environment and be cool under pressure
• Thrive when confronted with complex problems that require innovative solutions
• Act as a Subject matter expert on App related queries
• Leverages technical knowledge of products to meet customer needs
• Participate with the wider global team to improve and develop new tools and processes.
• Play a leading role in the testing and deployment phases of new products and customized solutions for our app business.
• Proactive development of tools and solutions that will have an impact on our campaign performance or set up to support the growth of our South APAC team
• Provide guidance to other team members on areas of expertise
• Identify bugs, report them, and work close to our internal teams for resolution

Who You Are

• Engineering background with a computer science-related degree
• Fluent in spoken & written English
• Experience with ad technology is a strong advantage, though not mandatory
• Experience in developing or reviewing/debugging code for mobile apps, ideally on both iOS and Android
• Experience with development and/or debugging MMP partner SDK's like AppsFlyer, Branch etc. will be a big plus
• Other web programming languages is a plus (JavaScript, HTML, …)
• Strong interpersonal and communication skills across all levels of interlocutors
• Ability to work on multiple projects at once, prioritize and execute a large number of tasks, and resolve issues quickly
• Proactivity associated with a “can do” way of working
• Problem-solving and a positive attitude in a fast-paced environment
• Autonomous personality and interested in taking initiatives and leading on projects
• Team spirit oriented, sharing best practices, and open to train other team members
• Attention to detail to act as a consultant and be reactive in front of any potential situations
• Passion for new media, internet trends, and continual learning

6-9 years of relevant experience in building webapps at scale

You must have strong understanding of semantic HTML / HTML5, CSS / CSS3.

You must have a good understanding of MVC architecture.

Prior work experience in ReactJS is Must

You must have experience in setting up the full UI workflow layer right from Development, Testing, Building and Deployment.

Never give up attitude

Experience in frameworks like Bootstrap, Foundation and CSS pre-processors like SASS and LESS is desirable.

You should have exposure to page speed improvement techniques.

Exposure of building responsive websites at scale will be a plus.

Prior exposure to building React Native components for Hybrid mobile apps will be a plus

Prior work experience in Angular, Backbone along with ReactJs is desirable.

Good understanding of webpack and redux

The ideal candidate will be responsible for designing, developing, testing, and debugging responsive web and mobile applications for the company. Using JavaScript (React), HTML, and CSS, this candidate will be able to translate user and business needs into functional frontend design. Someone with prior experience with Gatsby, Hasura, Redux, etc and live projects to showcase will get prioritised.

Responsibilities

• Designing, developing, and testing UI for mobile and web applications
• Build reusable code and libraries for future use
• Accurately translate user and business needs into functional frontend code

Qualifications

• Bachelor's degree or equivalent in Computer Science
• 2+ years' experience in frontend development
• Familiarity using Scrum/Agile development methodologies
• Experience building object oriented web applications in JavaScript, HTML5, and CSS3

We are looking for programmers with a keen eye for design for the position of Front End Developer. Front end Developers are responsible for ensuring the alignment of web design and user experience requirements, optimizing web pages for maximum efficiency and maintaining brand consistency across all web pages, among other duties.

Front End Developers are required to work in teams alongside Back end Developers, Graphic Designers, and User Experience Designers to ensure all elements of web creation are consistent. This requires excellent communication and interpersonal skills.

• Determining the structure and design of web pages.
• Ensuring user experience determines design choices.
• Developing features to enhance the user experience.
• Striking a balance between functional and aesthetic design.
• Ensuring web design is optimized for smartphones.
• Building reusable code for future use.
• Optimizing web pages for maximum speed and scalability.
• Utilizing a variety of markup languages to write web pages.
• Maintaining brand consistency throughout the design.

• Degree in Computer Science or related field.
• Understanding of key design principles.
• Proficiency with HTML, CSS, JavaScript and jQuery.
• Understanding of server-side CSS.
• Experience with graphic design applications such as Adobe Illustrator.
• Experience with responsive and adaptive design.
• Understanding of SEO principles.
• Good problem-solving skills.
• Excellent verbal communication skills.
• Good interpersonal skills.