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.

Experience  4-6 yrs (Sr developer ) 6-8 yrs (Lead)

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

• Work with design and marketing team to improve website conversion rate for different sign up processes
• Work with the marketing team to improve main website KPIs - New users, average time on page, session duration are the main ones
• Write automation scripts to help automate redundant manual processes of other marketing functions– SEO, Outbound, Content, Product Marketing
• Work on our Shopify demo store to showcase new product releases and features. This is pretty interesting as you’ll get to play around with Shopify backend (the most popular eCommerce platform in the world)
• Work on building integrations and workflows between different marketing automation platforms. Our current marketing tech stack involves Salesforce, HubSpot, Reply, Similarweb and more.
• Web scraping for new growth initiatives

About Our Client

It is a last-mile tech-logistics solution provider for intra-state deliveries based in Bangalore. It offers reliable, affordable, and professional services, structured to serve enterprises.

Our Client aggregates light commercial vehicles for urban logistics and has onboarded 55,000+ truckers on its platform across 14 cities. Our Client works across industry sectors like organized retail, FMCG and e-commerce, distribution and 3PL companies. Some of its clients include Amazon, Flipkart, Bisleri, Vishal Mega Mart, Future Supply Chain, Coca-Cola, Delhivery, and Udaan.

The company offers customized logistics solutions for clients, along with other value-added services such as screened drivers, audited and GPS-enabled vehicles, point-to-point billing, status updates, 24x7 service, and greater efficiency, all at transparent and economical pricing.

Our Client, as a brand, is known as one of the market leaders in the enterprise segment, and first movers to identify and empathize with the underserved urban trucker community, playing a huge role in making them a part of the mainstream economy. This series-B funded tech-logistics company aims to disrupt the primitive $35bn+ urban-logistics industry by leveraging technology and help enterprises to reach consumers faster.

Our Client is India's largest enterprise urban-logistics provider in India, with 55,000+ Light Commercial Vehicles on its platform.

Why Our Client?

- Switch career into internet startups.
- Work with fast-paced organizations.

What will I do?

 Develop new user-facing features·
 Build reusable code and libraries for future use·
 Ensure the technical feasibility of UI/UX designs·
 Optimize application for maximum speed and scalability·
 Assure that all user input is validated before submitting to back end·
 Collaborate with other team members and stakeholders.· 

What skills should I have?

 BTech, BE, BS degree in Computer Science, similar technical field of study or equivalent practical·
experience.
 3+ years·' experience in web and software development.
 Demonstrated knowledge of web technologies such as HTML5, CSS3, Javascript and AJAX/Fetch·
API.
 Demonstrated experience in React, React-Router, Redux, React-saga/Thunk.·
 Ability to work independently and multi-task effectively.·
 Flexible and willing to accept a change in priorities as necessary.·
 Strong attention to detail.·
 A good understanding of cross-browser compatibility issues and ways to work around them.·
 Proficient with code versioning tools, such as Git / Mercurial / SVN·
 A good understanding of SEO principles and ensuring that application will adhere to them.· 

👋🏼We're Nagarro.

We are a Digital Product Engineering company that is scaling in a big way! We build products, services, and experiences that inspire, excite, and delight. We work at scale — across all devices and digital , and our people exist everywhere in the world (19000+ experts across 33 countries, to be exact). Our work culture is dynamic and non-hierarchical. We're looking for great new colleagues. That's where you come in.

REQUIREMENTS:

• Must-Have: Typescript
• Expertise in TypeScript, HTML CSS, React JS, Unit Testing, Webpack, Service Worker and Web Worker
• Knowledge of high-quality professional software engineering practices for the agile software development cycle, including coding standards, code reviews, source control management, build processes, testing, and deployment
• Fundamental knowledge of design patterns
• Passionate about building great solutions
• Mentoring the team members to meet the client's needs and holding them accountable for high standards of delivery
• Knowledge of multi-site and multi-locale sites would be preferred
• Task delivery, Task status reporting, Proactive Contribution, Process Adherence, Autonomous task delivery, Effort estimation (Strong), Technical risk handling, Technical solutions (Strong), Risk management (Strong), Technical leadership (Capable), Client interaction, Interviewer, Pre-sales support.
• Knowledge of high-quality professional software engineering practices for the agile software development cycle, including coding standards, code reviews, source control management, build processes, testing, and deployment
• Fundamental knowledge of design patterns
• Experience in communicating effectively with users, other technical teams, and management to collect requirements, describe software product features, and technical designs
• Passionate about building great solutions
• Mentoring the team members to meet the client's needs and holding them accountable for high standards of delivery
• Being able to understand and relate technology integration scenarios and be able to apply these learnings in complex troubleshooting scenarios

 RESPONSIBILITIES: 

• Writing and reviewing great-quality code
• Understanding functional requirements thoroughly and analyzing the client’s needs in the context of the project
• Envisioning the overall solution for defined functional and non-functional requirements, and being able to define technologies, patterns and frameworks to realize it
• Determining and implementing design methodologies and toolsets
• Enabling application development by coordinating requirements, schedules, and activities.
• Being able to lead/support UAT and production rollouts
• Creating, understanding and validating WBS and estimated effort for a given module/task, and being able to justify it
• Addressing issues promptly, responding positively to setbacks and challenges with a mindset of continuous improvement
• Giving constructive feedback to the team members and setting clear expectations.
• Helping the team in troubleshooting and resolving complex bugs
• Coming up with solutions to any issue that is raised during code/design review and being able to justify the decision taken
• Carrying out POCs to make sure that suggested designs/technologies meet the requirements

• Design and develop new user-facing features using React adhering to best coding practices and standards
• Translating designs and wireframes into high-quality code and building reusable components and front-end libraries for future use
• Consistently follows and promotes SDLC best practices: Coding standards, testing, code reviews, code comments, etc.
• Keeps key stakeholders informed about progress and problems; avoids surprises
• Building responsive web applications across a vast array of web-capable devices
• Design and architect technical solutions for the business problems
• Organizes and expresses ideas clearly and concisely
• Exhibits excellent teamwork, and strong problem-solving skills and helps achieve team goals.

• A bachelor’s or master’s degree in Computer Science or any other relevant engineering field from a reputed institute.
• Experience of 3 - 6 years as a Frontend Engineer.
• Excellent programming skills in JavaScript
• Proficient in ReactJS
• Good Exposure to AngularJS and VueJS
• Familiarity with CSS, Restful API modern build pipelines and development tools
• Good understanding of design patterns and a strong grasp of Material Design guidelines 

  
  Preferred Skills

  • Experience in developing and deploying applications on AWS, and Firebase. Experience with popular state management, frontend, and server-side rendering libraries
  • Understanding common front-end development tools (Babel, Webpack, NPM, etc.) and code versioning tools (Git and Mercurial)
  • Familiarity with Micro-frontends Architecture, Material UI, Ant Design, and GraphQL
  • Has delivered projects with end-to-end accountability
  • Identify and resolve performance and scalability issues
  • Strong desire to learn and grow, with intelligence & adaptability while building the best-in-class systems
  • Strong flair for effective communication and collaboration - you know when to push on and when to step back
    

    Additional Notes

    As we have to Bring your device policy, candidates should have a Laptop.

• Determining the structure and design of web pages.
•  Building reusable and efficient code for future use.
•  Ensuring web design is optimized for smartphones.
•  Use markup languages like HTML to create user-friendly web pages.
•  Maintain and improve the website.
•  Optimize applications for maximum speed.
•  Collaborate with back-end developers and web designers to improve usability.
• Stay up-to-date on emerging technologies.