UI Developer - React.js

AEM Sites Developer

Pattem Digital Technologies is looking for a highly effective Adobe Experience manager(AEM) Developer to join our team. This person will utilize best practices and methodologies to design and implement the best solution for our clients. This key member of our team contributes to the entire software development lifecycle including analysis, requirement specification, use case and data modeling, technical design, development, testing, and implementation. This individual will be focused on delivering assigned tasks and/or specific tracks of the solution on time, escalating issues when appropriate as well as educating and leading others in the form of code reviews, workshops, and documentation.

Know your work :

• Build and maintain solutions for AEM (Sites, Assets). 
• Work in Agile Methodology - be part of Sprint Ceremonies, provide accurate estimates for assigned development Stories & deliver on time. 
• Follow Best and Recommended Practices while implementing solutions. 
• Ensure Code Quality, Readability, Maintainability and Security. 
• Coordinate with multiple teams (Ex: UI/QA) for any dependencies. 
• Write JUnit Test Cases for Unit Testing 
• Communicate with customer teams on requirements effectively. 
• Manage customer expectations of response time and issue resolution 
• Troubleshoot and reproduce the technical problems reported by customers and define workarounds. 
• Create and integrate content-driven applications on top of the AEM platform, and integrate with other systems.
• The AEM Developer provides technical leadership with a focus on CMS solutions. This Includes planning, guiding the design, estimation, user interface, people management, issue resolution and quality assurance. 
• Collaborate across disciplines and use their in-depth knowledge of AEM technology to help deliver business solutions for our clients.

What you need to apply :

• Good understanding of UI technologies like JQuery, Java Script, HTML 5, CSS. 
• Good understanding of backend technologies like Java EE, Servlets, JSP, Tag libraries, and JSTL skills, combined with a good understanding of Enterprise Java frameworks such as Spring, Spring Boot and Hibernate.
• Good understanding of CI/CD tools like Maven, Jenkins. 
• Good understanding of Code Quality and Security tools like SONAR. 
• Good understanding of Touch UI, Sightly (HTL) and Sling Models.
• Good understanding of AEM Backend Development like Sling Servlets, OSGi Components and JCR Queries. 
• Solid experience in problem analysis and resolution of technical problems.
• Ability to handle clients professionally during all interfaces. 
• Ability to work in extended hours to overlap with North America timings. 
• Strong written and verbal communication skills. 
• Minimum 3+ years of experience in AEM.
• 3-4 years of experience in CMS implementations with Adobe Experience manager(AEM).
• Hands-on work experience on Adobe 6.x versions.
• Knowledge in AEM foundational concepts, including the CRX repository, the AEM platform, the use of core frameworks such as Apache Sling and Apache Felix. 
• Knowledge on latest AEM features.

About the role:

We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). 

You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem-solving, sophisticated design, and quality products is important.

What you’ll do

• Developing new user-facing features using React.js
• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high-quality code
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers
• Version Control: Git
• SDLC: Working experience in Agile methodology
• Strong interpersonal skills and time management skills

What you’ll need

• B.Tech or M.Tech equivalent with at least 2 years of experience
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• 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
• Experience with data structure libraries (e.g., Immutable.js)
• Familiarity with RESTful APIs
• Ability to understand business requirements and translate them into technical requirements

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.

What does the core role include?

• Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
• Designing stateless components in React Native
• Contributing in all phases of the development lifecycle
• Working with the developers to create and maintain a robust framework to support the apps
• Working with the developers to build the interface with a focus on usability features
• 
  

What else can you expect in the role?

• Prepare and produce releases of software components
• Optimizing performance for the apps
• Problem-solving skills, analytical mind, and positive attitude
• Ability to think from end users perspective and focused on improving the overall product experience.
• Deliver across the entire app life cycle concept, design, build, deploy, test, release to app stores and support
• 
  

What can fetch you brownie points?

• Hands on experience with React Native is required
• Hands-on experience in React Native APIs, ReactJS, Javascript, ECMAScript (OOJS) and JSX.
• Strong understanding of JavaScript ecosystem
• Hands on experience on Android in creating Hybrid / Native applications
• Demonstrable UI/UX experience on a large-scale app.
• Thorough understanding of React Native development tools like IDEs (Nuclide, Atom, Sublime Text, or Visual
• Good knowledge of JS frameworks like ReactJS is a plus.

Desired Skills and Experience

Hybrid Apps,React Native, Native iOS and Android Architecture understanding

Responsibilities:

- Design, develop, and maintain highly interactive and responsive web applications using AngularJS 14.

-  Write clean, maintainable, and well-documented code that adheres to best practices.

- Leverage Tailwind CSS for rapid UI development and ensure consistent design across the application.

- Implement user interface components and features according to design specifications.

- Integrate with backend APIs and services to retrieve and manipulate data.

- Optimize application performance for a smooth user experience across all devices and browsers.

- Conduct unit testing and participate in integration testing to ensure code quality.

- Collaborate with designers, backend engineers, product managers, and other stakeholders throughout the development lifecycle.

- Stay up-to-date with the latest advancements in frontend technologies and frameworks.

-Contribute to the improvement of existing frontend development processes and documentation.

Qualifications:

-  Strong understanding of AngularJS 14 architecture, components, directives, and services.

-  Proficiency with HTML5, CSS3, and JavaScript (ES6+).

-  In-depth knowledge of Tailwind CSS and its utility classes for rapid UI development.

- Experience with responsive web design (RWD) principles and best practices.

- Understanding of web accessibility guidelines (WCAG).

- Familiarity with unit testing frameworks (e.g., Jasmine, Karma) is a plus.

-  Experience with build tools (e.g., Webpack) is a plus.

-  Excellent problem-solving and analytical skills.

-   Strong attention to detail and a passion for creating pixel-perfect user interfaces.

-   Excellent communication and collaboration skills.

A proactive and results-oriented individual with a strong work ethic.

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.· 

Sizzle.gg is an exciting new startup that’s changing the world of gaming.  At Sizzle, we’re building AI to automate gaming highlights, directly from Twitch and YouTube streams. We’re looking for a superstar front-end engineer that can work closely with UI/UX designers and continuously improve our site.  

You will:

• Work closely with UI/UX designers and the management team to make iterative enhancements to the website, using React, HTML & CSS
• Keep iterating and improving our client video player in React and Meteor.js
• Run numerous A/B tests on the website design, layout, color scheme, button placement, images/videos, and other objects to optimize time on site and conversion
• Create other online assets in similar style, such as HTML emails, ad landing pages, and more
• Work closely with marketing and management team to ensure successful adoption of the app, and make iterative changes to make them more user-friendly
• Work with the rest of the engineering team (back-end engineers, AI engineers) to optimize the user experience across both the site and the apps

You should have the following qualities:

• Must be an expert in React.js, HTML5, HTML, CSS, and related web technologies.  Ideally also have expertise in Meteor.js.
• Must have expertise in Bootstrap and have built responsive websites with high polish
• Familiarity with AWS environments
• Excited about working in a fast-changing startup environment
• Have a point of view on designs, usability, and delivering what the user wants
• Willingness to learn rapidly on the job, try different things, and deliver results
• Ideally a gamer or someone interested in watching gaming content online
• Looking for someone in Bangalore or willing to relocate

Mandatory:

• 4-7 Experience in React JS,  (ReactJS 2.5yrs compulsory)
• Optional:

Knowledge in UX/UI design, Azure DevOps, Test Driven - and Domain Driven Development

• Developing of complex IT systems with various system integrations and configurations
• Data security/GDPR