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.

Qualification profile

• Successfully completed studies or training in computer science, focus on software development desirable or comparable qualification
• In-depth knowledge of web technologies: JAVA, HTML5, CSS, Java/TypeScript, and Vue.js, as well as web services/SOA Hibernate and SQL
• In-depth knowledge of React and/or Angular is also an advantage
• Experience with responsive web design and web content management systems
• Fluent in English
• Knowledge of cloud-native development and operation, e.g. B. Docker and Kubernetes advantageous

What we offer you

• Varied, demanding, and interesting field of activity
• Flexible working hours to reconcile work and private life
• Collegial and highly professional team in a modern, international working environment
• Career opportunities here in India or worldwide

• Design and develop innovative web applications that draw the user’s attention
• Write reusable, effective, and scalable JavaScript code
• Build modular and reusable components and libraries
• Implement front-end components with progressive Vue.js framework
• Translate the client’s technical specifications into code
• Test, update and optimize the application for performance and security

• A minimum of B.S. degree in Information Technology or Computer Science or 5+ years in a similar position.
• Ability to adapt, change and grow quickly as we scale the organization
• Passionate about engineering practices like agile, continuous delivery, test-driven development, traceability, and observability
• Minimum 5 years of experience in writing excellent Javascript; all standards-compliant, cross-browser and cross-device.
• Strong experience with React and/or Angular and willingness and interest in learning more about both Angular and React.
• Good understanding of building shared UI components and test-driven development. plus a sharp eye for design and UX details.
• You share your ideas and continuously improve yourself and the team around you
• Strong communication skills, high integrity, and great attention to detail

You’ll get to work with:

• React / Angular / WebComponents / Vue.js TypeScript
• ELK, Jaeger, Prometheus & Grafana
• Microservices architecture
• Cypress / Jest / Cucumber.js
• CircleCI

What we offer

• We offer you a chance to be part of a truly amazing journey in a company that sets very high targets and works hard to achieve them. You will be able to work with smart, motivated, and engaged co-workers from all over the world, in an intense and very energetic environment. This leads to you having a tangible impact on the way that we operate and expand our business.

Some of the highlights of the package include:

• Strong technical culture of continuous innovation and improvement
• Chance to become a shareholder of Gelato!
• Flexible festive holidays, swap days off according to your values and beliefs.
• Work at one of our hub city offices or even remotely
• And much much more!

Sportz Interactive (SI) works with its clients and partners to revolutionize the sports fan experience across consumption points by creating best-in-class, kickass products. SI was founded in 2002 as a B2B sports content business. Through the years, it gained immense reputation for its state-of-the-art hosted solutions, digital simulators, match centers and fantasy games. Sportz Interactive has a fantastic reputation in the online sports community, having worked with clients across the globe including the likes of The International Cricket Council, STAR Sports, Yahoo!, AOL, Eurosport, Castrol, Web 18, NDTV, Nimbus, Times of India, Rediff.com and Singtel amongst others. 

Sportz Interactive provides in-depth sports information and content and specializes in product development for the web, mobile and other interactive platforms. 
http://www.sportzinteractive.net/">www.sportzinteractive.net 

2+ years of experience on web technologies.

Primary Responsibilities:

• Coding and debugging pure JavaScript, polyglot and multi-lingual applications
• Working closely with Technical Lead/Project Manager to ensure development timelines are met
• Contribute with ideas to improve system design or streamline product delivery
• Working with challenging applications involving Real Time Data
• Working on different platforms including the usage of the Native SDKs provided on JavaScript

Required Skills:

Mandatory: Passionate about sports, Problem solving, Team player, Target & Result oriented.

Functional: HTML5, CSS3, JavaScript, Vue.js, Typescript, Stimulus JS, AJAX, Browser performance & optimization, Asynchronous requests handling and partial page updates, Browser Developer Tools, GIT and JIRA.

• Architect, Design, implement, and deploy solutions that are reliable and perform at scale in multi-tenant environment.
• Collaborate with UX design group and convert the design to actual UI components and pages to delight users of our cloud platform
• Evaluate technology and make choice based on performance, scalability, security and future expansion.
• Work with different stakeholders within and outside the team in a highly collaborative environment.
• Working with rapid and innovative development methodologies like: Kanban, Continuous Integration and Daily deployments
• Engage with Product Management and Business to create Product roadmap, own technical backlog and roadmap for technology supremacy.
• Continually learn about new technologies, generate new ideas and improve the use of technology in the product.
• Driving various organization wide activities like Hackathon, Ideathon, brown bag sessions and technical blogs

• Strong experience in Information Architecture and UI Design experience in delivering concepts, wire frames, prototypes, and compelling visual experiences.
• Possess the knowledge of the Graphic Design, Usability and ability to apply strategic thinking to deliver exceptional end to end user experience
• Expert understanding of strong Standards Based HTML Development as also strong JavaScript and JS libraries / UI Frameworks like Prototype.js, DHTMLX, ExtJS, JQuery (one Framework at the least is a must)
• Strong experience in Vue.JS/Backbone.JS or similar.
• Strong in CSS and AJAX / XML / XSLT / DOM / JSON
• Should have fundamental understanding of JavaScript - OOPs
• Understand Cross Browser issues and client side cookie
• Would expect the successful candidate to be highly proficient in Web Standards including W3C and WCAG
• Possess strong and relevant exposure to Web Accessibility/ Usability
• Would require to be intimately familiar with defining UI Specifications / Guidelines
• Would be essential to possess knowledge of web-based technologies and their impact on the feasibility of design solutions, including the capabilities and limitations of Web Technologies
• Experience in the Retail Domain or working on building Analytical Tools would be a plus
• Very good written and verbal communication skills
• Experience working with Agile development environments

What You’ll Do

• Should be able to develop an application with vanilla Javascript without any frameworks.
• Maintain reusable code and improve code quality.
• Optimize application for maximum speed.
• Should take ownership and work closely with other teams. such as back-end.
• Make suggestions for better solutions to problems and keep abreast of the latest and emerging technologies.
• Be comfortable working throughout the lifespan of a project.

Who you are

• Should have minimum 5+ years of experience.
• Proficient understanding of web markup, including HTML5, CSS3 and vanilla JavaScript.
• Should have good knowledge on ES6.
• Understanding of CSS pre-processing platforms, such as LESS and SASS.
• Should be proficient any of the the frameworks  ReactJs, VueJs etc.
• Should have knowledge on Node Js.
• Should have hands on experience web component development.
• Good understanding of Responsive Web Designing, CSS media queries and Bootstrap library.
• Understanding of cross-browser compatibility issues and ways to work around them.
• Good understanding of asynchronous/Ajax request handling.
• Good understanding of OOJS.
• Knowledge of code versioning tools, such as GIT.
• Knowledge in writing UI test cases using any test framework.

Education

• Bachelor's  degree in Computer Science, Engineering or equivalent demonstrable experience. 

Benefits

• In addition to competitive salaries and benefits packages, Nisum India offers its employees some unique and fun extras:
• Continuous Learning - Year-round training sessions are offered as part of skill enhancement certifications sponsored by the company on an as need basis. We support our team to excel in their field.
• Parental Medical Insurance - Nisum believes our team is the heart of our business and we want to make sure to take care of the heart of theirs. We offer opt-in parental medical insurance in addition to our medical benefits.
• Activities -From the Nisum Premier League's cricket tournaments to hosted Hack-a-thon, Nisum employees can participate in a variety of team building activities such as skits, dances performance in addition to festival celebrations.
• Free Meals - Free snacks and dinner is provided on a daily basis, in addition to subsidized lunch.