Junior UI Developer

About the Role  

We are seeking an experienced Next.js Developer with minimum 6 years of hands-on experience to join our development team. The ideal candidate will have a strong background in architecting scalable applications, deploying projects, and writing robust test cases. You will play a key role in the full software development lifecycle, from initial concept and architecture through deployment and maintenance.  

Key Responsibilities  

·       Design, develop, and maintain high-performance, scalable web applications using Next.js  

·       Architect project structure for maintainability, scalability, and performance, following best practices for folder and component organization  

·       Lea d and participate in project deployments using modern CI/CD pipelines and cloud platforms. AWS is must  

·       Write comprehensive unit, integration, and end-to-end test cases using frameworks like Jest, React Testing Library, or Cypress  

·       Collaborate with cross-functional teams (designers, backend developers, product managers) to deliver seamless user experiences and integrate APIs (REST/GraphQL)  

·       Optimize applications for SEO, server-side rendering (SSR), static site generation (SSG), and performance  

·       Conduct code reviews, enforce coding standards, and mentor junior developers  

·       Troubleshoot, debug, and resolve issues across the stack to ensure reliability and security  

·       Maintain technical documentation, including architecture decisions, deployment guides, and test plans  

  Required Skills and Qualifications  

·       Development experience of 6+ years in Reactjs and Nextjs (preferred)  

·       Proven expertise in Leading, architecting and organizing large-scale Nextjs projects.  

·       Hands-on experience with project deployment and cloud platform as AWS (preferred)  

·       Strong proficiency in JavaScript (ES6+), TypeScript, MaterialUI and CSS Frameworks  

·       Experience writing and maintaining test cases using Jest, React Testing Library, Cypress, or similar tools  

·       Familiarity with state management libraries (Redux, Context API) and API integration (REST, GraphQL)  

·       Working knowledge of version control systems (Git) and CI/CD pipelines (preferred)  

·       Solid understanding of SSR, SSG, and SEO best practices  

·       Excellent problem-solving, communication, and teamwork skills  

·       Bachelor’s degree in Computer Science, Information Technology, or a related field (preferred)  

Nice to Have  

·       Experience with CSS frameworks (Tailwind, Bootstrap, Sass)  

·       Familiarity with containerization (Docker) and monitoring tools.  

·       Contributions to open-source Next.js projects or technical blogs.  

We are seeking a highly skilled React JS Developer with exceptional DOM manipulation expertise and real-time data handling experience to join our team. You'll be building and optimizing high-performance user interfaces for stock market trading applications where milliseconds matter and data flows continuously.

The ideal candidate thrives in fast-paced environments, understands the intricacies of browser performance, and has hands-on experience with WebSockets and real-time data streaming architectures.

Key Responsibilities

Core Development

• Advanced DOM Operations: Implement complex, performance-optimized DOM manipulations for real-time trading interfaces
• Real-time Data Management: Build robust WebSocket connections and handle high-frequency data streams with minimal latency
• Performance Engineering: Create lightning-fast, scalable front-end applications that process thousands of market updates per second
• Custom Component Architecture: Design and build reusable, high-performance React components optimized for trading workflows

Collaboration & Integration

• Work closely with traders, quants, and backend developers to translate complex trading requirements into intuitive interfaces
• Collaborate with UX/UI designers and product managers to create responsive, trader-focused experiences
• Integrate with real-time market data APIs and trading execution systems

Technical Excellence

• Implement sophisticated data visualizations and interactive charts using libraries like Chartjs, TradingView, or custom D3.js solutions
• Ensure cross-browser compatibility and responsiveness across multiple devices and screen sizes
• Debug and resolve complex performance issues, particularly in real-time data processing and rendering
• Maintain high-quality code through reviews, testing, and comprehensive documentation

Required Skills & Experience

React & JavaScript Mastery

• 5+ years of professional React.js development with deep understanding of React internals, hooks, and advanced patterns
• Expert-level JavaScript (ES6+) with strong proficiency in asynchronous programming, closures, and memory management
• Advanced HTML5 & CSS3 skills with focus on performance and cross-browser compatibility

Real-time & Performance Expertise

• Proven experience with WebSockets and real-time data streaming protocols
• Strong DOM manipulation skills - direct DOM access, virtual scrolling, efficient updates, and performance optimization
• RESTful API integration with experience in handling high-frequency data feeds
• Browser performance optimization - understanding of rendering pipeline, memory management, and profiling tools

Development Tools & Practices

• Proficiency with modern build tools: Webpack, Babel, Vite, or similar
• Experience with Git version control and collaborative development workflows
• Agile/Scrum development environment experience
• Understanding of testing frameworks (Jest, React Testing Library)

Financial Data Visualization

• Experience with financial charting libraries: Chartjs, TradingView, D3.js, or custom visualization solutions
• Understanding of market data structures, order books, and trading terminology
• Knowledge of data streaming optimization techniques for financial applications

Nice-to-Have Skills

Domain Expertise

• Prior experience in stock market, trading, or financial services - understanding of trading workflows, order management, risk systems
• Algorithmic trading knowledge or exposure to quantitative trading systems
• Financial market understanding - equities, derivatives, commodities

Technical Plus Points

• Backend development experience with GoLang, Python, or Node.js
• Database knowledge: SQL, NoSQL, time-series databases (InfluxDB, TimescaleDB)
• Cloud platform experience: AWS, Azure, GCP for deploying scalable applications
• Message queue systems: Redis, RabbitMQ, Kafka, NATS for real-time data processing
• Microservices architecture understanding and API design principles

Advanced Skills

• Service Worker implementation for offline-first applications
• Progressive Web App (PWA) development
• Mobile-first responsive design expertise

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field (or equivalent professional experience)
• 5+ years of professional React.js development with demonstrable experience in performance-critical applications
• Portfolio or examples of complex real-time applications you've built
• Financial services experience strongly preferred

Why You'll Love Working Here

We're a team that hustles—plain and simple. But we also believe life outside work matters. No cubicles, no suits—just great people doing great work in a space built for comfort and creativity.

What We Offer

💰 Competitive salary – Get paid what you're worth

🌴 Generous paid time off – Recharge and come back sharper

🌍 Work with the best – Collaborate with top-tier global talent

✈️ Adventure together – Annual offsites (mostly outside India) and regular team outings

🎯 Performance rewards – Multiple bonuses for those who go above and beyond

🏥 Health covered – Comprehensive insurance so you're always protected

⚡ Fun, not just work – On-site sports, games, and a lively workspace

🧠 Learn and lead – Regular knowledge-sharing sessions led by your peers

📚 Annual Education Stipend – Take any external course, bootcamp, or certification that makes you better at your craft

🏋️ Stay fit – Gym memberships with equal employer contribution to keep you at your best

🚚 Relocation support – Smooth move? We've got your back

🏆 Friendly competition – Work challenges and extracurricular contests to keep things exciting

We work hard, play hard, and grow together. Join us.

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.

Frontend Developer (Angular) – 2-3 Year’s Experience

Role & Responsibilities:

·         Develop scalable, high-performance web applications using Angular.

·         Work closely with Spring Boot microservices via REST and GraphQL APIs.

·         Ensure responsive and accessible UI using Material UI, Tailwind CSS, or Bootstrap.

·         Optimize state management using NgRx.

·         Follow best coding practices, code reviews, and agile development.

·         Write unit and integration tests using Jest, Cypress.

·         Collaborate with UI/UX designers for intuitive, modern user experiences.

Skills Required:

·         Frontend: Angular, TypeScript, JavaScript (ES6+).

·         State Management: NgRx.

·         API Integration: REST, GraphQL (Apollo Client, Relay).

·         CSS Frameworks: Tailwind CSS, Material UI, Bootstrap.

·         Testing: Jest, Cypress.

·         Build Tools: Webpack, Babel, Vite.

·         Version Control: Git, SVN.

DESIRED SKILLS: React.js, JavaScript, Redux, RESTful APIs, TypeScript

JOB SUMMARY
Thorough understanding of React.js and its core principles
Experience with popular React.js workflows (such as Flux or Redux)
Familiarity with newer specifications of EcmaScript
Familiarity with RESTful APIs
Knowledge of modern authorization mechanisms, such as JWT Web Token
Familiarity with modern front-end build pipelines and tools
Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
Ability to understand business requirements and translate them into technical requirements
A knack for benchmarking and optimization
Familiarity with code versioning tools (such as Git, SVN, and Mercurial)
Familiarity with any ReactJS testing framework is plus

• 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 Competencies:

• Proficiency with JavaScript, TypeScript, HTML and CSS
• Fundamental Knowledge of an SPA (Single page application)
• Deep knowledge of AngularJS practices and commonly used modules based on extensive work experience
• Ability to provide SEO solutions for single page apps
• Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
• Validating user actions on the client side and providing responsive feedback
• Writing non-blocking, optimized, reusable and scalable code
• 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
• Architecting and automating the build process for production, using task runners or scripts
• Creating configuration, build, and test scripts for Continuous Integration environments
• Proficient understanding of code versioning tools such as git is required
• Excellent presentation, problem-solving and team working skills

Qualification and Experience:

• B.E. / B. Tech. / MCA / PGDCA / M.Sc. (CS) /M.E. / M. Tech
• At least 2 years of experience in Web Application Development with Angular/React
• Proven expertise in testing of application software to assure accuracy, integrity, completeness to achieve desired results
• Experience with AngularJS (v1.x.x) would be a value-add

Edvak is committed to delivering customized enterprise solutions that allow businesses to benefit from the use of advanced technologies to meet their organization’s objectives. We firmly believe that Artificial Intelligence can provide great productivity gains to any business. We support our clients by solving their business problems and increasing their operational efficiency by integrating and leveraging AI technological solutions.

Website: https://edvak.com/" target="_blank">https://edvak.com/

Hiring for  Angular Developer:  

• Delivering a complete front-end application
• Hands-on experience in Angular 4+ version
• Ensuring high performance & adaptability 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
• Deep knowledge of Angular practices and commonly used modules based on extensive work experience
• Creating self-contained, reusable, custom, and testable modules, directives, pipes, and components
• Ensuring a clear dependency chain, regarding the app logic as well as the file system
• Exp on angular material themes and best scss practices
• Extensive Typescript knowledge to create angular applications
• Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
• Validating user actions on the client side and providing responsive feedback
• Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed
• Experience with all levels of operation available to the front-end, such as from creating XHRs in vanilla JS to implementing custom HTTP interceptor.
• Architecting and automating the build process for production, using task runners or scripts
• Application knowledge of unit testing. TDD knowledge is an added advantage
• Good understanding of Git and related workflows for daily development activities
• Hands-on debugging and troubleshooting skills
• Working knowledge of Agile methodology and scrum

Skills / Requirements

· Experience: 2-5 years

· Must Have: HTML / CSS / JavaScript

· Must Have: Angular development, Exposure to NodeJs

· Good to Have: Ionic

Essential Job Duties and Responsibilities

· Work with the Project Architects & Business owners to understand requirements

· Create performant, efficient code

· Design and development of features/modules

· Code review, Testing and Deployment

· Manage, Guide and Mentor team resources.

Desired Attributes

· Understanding of good system design, reusable components, extensibility etc.


· Excellent written and spoken communication skills


· Proven working experience in web and server-side programming.

· Experience with any MVC Framework

· Hands on knowledge of any source control Git

· Understanding of web applications including security, session management, and best development practices

· Experience working in an Agile / Scrum development process will be a bonus

· Exposure to testing frameworks for the Unit test, Integration test, and automated testing

Qualification

B.E / B.Tech / M.E / M.Tech in Computer Science or Electronics & Communication / BSC IT / BCA/ MCA.

Employment Type

Full time.