UI-UX 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.

Job Title: Node.js Developer

Exp :(2+ Years Experience)

Location: Indiranagar, Bangalore (On-site)

Salary: Up to 6 LPA

Notice Period: Immediate or within 15 days

Skills set :MEAN Stack ,MongoDB, Express.js, Angular, Node.js , SQL ,MySQL, PostgreSQL,

Responsibilities:

• Design, develop, and maintain server-side applications using Node.js
• Integrate server-side applications with front-end components
• Write reusable, efficient, and modular code
• Work on optimizing the performance and scalability of applications
• Collaborate with front-end developers to create seamless user experiences
• Ensure the application is running smoothly and troubleshoot any issues that arise
• Write and maintain database schemas, queries, and manage SQL databases
• Participate in code reviews and ensure high code quality

Qualifications:

• Minimum 1 year of hands-on experience in Node.js development
• Strong understanding of web technologies and APIs
• Ability to work in a fast-paced environment and meet deadlines
• Good communication skills and the ability to work in a team-oriented setting
• A proactive attitude and eagerness to learn

Job Description

As a React Native Developer at Marmeto, you will play a critical role in building high-performance, cross-platform mobile applications for iOS and Android. You will collaborate with UX/UI designers, backend engineers, and product stakeholders to deliver intuitive and scalable mobile experiences. This role demands a developer with a deep understanding of mobile architecture, native modules, and modern development best practices.

Skills:

• Minimum 4 years of hands-on experience with React Native for Android and iOS development.
• Strong proficiency in JavaScript, TypeScript, and ES6+ features.
• Solid understanding of React Native architecture, including Hooks, Redux/MobX, and Context API.
• Experience with native module integration (Android/iOS) and third-party libraries.
• Proficient in using React Navigation, AsyncStorage, and mobile design patterns.
• Familiarity with debugging tools like Flipper, Chrome DevTools, and React Native Debugger.
• Experience in publishing apps to the App Store and Google Play.
• Good understanding of mobile performance optimization and memory management.
• Proficiency with version control systems like Git.

Roles & Responsibilities:

• Design, develop, and maintain cross-platform mobile applications using React Native.
• Collaborate with UI/UX designers to implement pixel-perfect interfaces and interactions.
• Work closely with backend teams to integrate APIs (REST/GraphQL) seamlessly.
• Write clean, modular, and scalable code following best practices and design patterns.
• Troubleshoot, debug, and optimize mobile apps for maximum performance.
• Stay updated on emerging trends in mobile development and bring innovation into the team.

Requirements

Mandatory

• Should have built solutions/applications end-to-end, not just contributed as part of a larger team.
• Should envision continuing in a deep mobile development role 5+ years down the line.
• Strong command over JavaScript, TypeScript, and React Native internals.
• Experience working with Redux, React Hooks, and lifecycle methods in mobile contexts.
• Deep understanding of platform-specific limitations, capabilities, and mobile UI/UX standards.

Essential

• Proficiency with Git and collaborative workflows (e.g., branching, PRs).
• Familiarity with CI/CD for mobile.
• Understanding of offline storage, background sync, and performance monitoring.

Good to Have

• Knowledge of native development (Swift/Kotlin) to bridge native modules when needed.
• Exposure to tools like Figma, Sketch, or Zeplin for design collaboration.
• Experience with e-commerce platforms like Shopify, BigCommerce, or similar.

Machint Solutions Private Limited, a US registered and a digital transformation organization that is into products and managed services, is seeking to hire a few experienced ReactJS Developers to play a crucial role in designing and building code across several new and existing software products and projects.

No. of positions: 8

React JS Exp.: 3 to 5 years

Overall IT exp: 5 to 10 years

Work from office: YES

Full time employment

Work Location: Whitefields, Hitech City, Hyderabad

Required qualifications and experience:

• Minimum 3 years of prior working experience as a react.js developer.
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Excellent knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Experience with user interface design.
• Should be familiar with UI HTML, CSS, JavaScript, XML, and UI Frameworks like ReactJS, AngularJS, NodeJS etc.
• Hands-on experience with Oracle or SQL Server database.
• Knowledgeable in one of the Cloud Technologies – Azure / AWS / GCP / any Cloud space.
• Should be able to understand Scrum ceremonies and able to demonstrate experience in Agile
• Passion for technology and developing your technical skills.
• Result-oriented individual with the ability to work to deadlines, communicate, and work effectively with other team members.

Desired skills:

• Any knowledge of performance testing frameworks including Mocha and Jest is an advantage.
• having strong basics of core Java 8 - Basic Oops concepts, String, Collections, Exceptions, Interface, Inheritance is an advantage.
• Expertise in modern development principles of Spring Family viz., Spring Boot, Spring Core
• Experience in creating Microservice using REST & Spring Boot.
• Knowledge of advanced design patterns

About Company

ADDV HealthTech Solutions, a UK-based company, operates with a strong IT presence in Ahmedabad, empowering IT professionals and organizations with cutting-edge technologies. As a product and service-based industry, we have excelled in managing UK healthcare projects, leveraging our novel tech-led approach.

ADDV HealthTech Solutions operates as a subsidiary of the renowned UK company, ADDVantage Technologies (https://addvantage-technologies.co.uk/) delivering innovative healthcare solutions like AllDayDr, Healthya, AppLocum, PharmSmart, ADDVantage Minds, and HEALTHYA Stations. Under the visionary leadership of our Founder and CEO, Suhel Ahmed, we continue to expand our expertise and presence across the UK and the Middle East.

What are we looking for in a candidate?

● 3-5 years of experience in frontend development.

● Proficient understanding of web markup, including HTML5 and CSS3.

● Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS

● Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery

● Strong knowledge of JavaScript and its frameworks, such as AngularJS or React.

● Good understanding of asynchronous request handling, partial page updates, and AJAX

● Experience with responsive design and frameworks like Bootstrap.

● Proficient understanding of cross-browser compatibility issues and ways to work around them.

● Basic understanding of React.js and its core principles (optional but preferred).

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

● Excellent problem-solving and communication skills.

What will a candidate be doing with us?

● Develop and maintain user-facing features for web applications.

● Build reusable code and libraries for future use.

● Ensure the technical feasibility of UI/UX designs.

● Optimize applications for maximum speed and scalability.

● Collaborate with other team members and stakeholders.

What will we provide to the candidate?

● 5 days working

● Flexible working hours

● Training and Development Opportunities

● Collaborative work environment

● Working with International teams

Angular Developer

Key Responsibilities:

Responsible for coding the execution of complex designs and interactions that reflect the creative and art direction provided within the established technical framework

Responsible for creation of all coded UI deliverables

Able to shift between a creative and a technical focus depending on the project need and/or the type of project

Establishes presentation layer requirements

May need to rapidly produce interim deliverables (such as style guide components, technical specifications, browser and market analysis, prototypes, proofs of concept, etc.) in addition to the final live application

Participates in scoping and planning work

Participates in writing detailed technical and functional specifications documentation

Able to take initiative to research and learn emerging technologies

Required Skills:

Expertise in angular 4+ & above is highly preferable

Hands-on experience in Typescript, JavaScript, visualization libraries like D3

Experience in consuming REST services and implementing dynamic UIs.

Understanding of design patterns commonly used in large-scale web applications.

Experience in building high-performing and maintainable web applications.

Understanding of CI/CD will be preferred.

Knowledge of CSS pre-processors like SASS.

Proficient understanding of version management tools like SVN, Git.

Education

• Bachelors or master’s degree in Computer Science or related field

Relevant Experience

• 4 to 6 years

• 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

• Proficient understanding of web markup, including HTML5, CSS3
• Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
• Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
• Good understanding and knowledge of advanced JavaScript libraries and frameworks, such as AngularJS, KnockoutJS, BackboneJS, ReactJS, DurandalJS etc.
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image
• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Proficient understanding of code versioning tools, such as Git
• Good understanding of SEO principles and ensuring that application will adhere to them

React JS Developer

Exp - 5+ years

Skills: React, Redux, Javascript, HTML, CSS
Location: Bangalore, Hyderabad, Chennai