Frontend Developer

🔍 Your Experience at a Glance

We are hiring a Staff Frontend Engineer – Marketplace (React) for our client (Code Name: SORIN), a global leader in enterprise-grade observability and AIOps software.

This is a high-impact role focused on designing and building the frontend architecture of a new, cutting-edge marketplace platform within a cloud-native observability ecosystem. You’ll lead UI strategy and execution for an e-commerce-style user experience used by developers and platform operators worldwide.

You will work closely with a tight-knit team of 4–5 engineers, backend

developers, and product stakeholders to deliver a fast, intuitive, and scalable marketplace—integrating payment flows, secure access, and seamless navigation across internal and external services.

💻 Key Responsibilities

🔧 UI Architecture & Development

● Define and implement a scalable frontend architecture using React and modern state management (Redux, Context API, etc.)

● Build reusable, component-driven UIs with React (and TypeScript preferred) that are performant and accessible

● Integrate seamlessly with RESTful or GraphQL APIs for robust data handling and error management

🚀 Performance & Reliability

● Implement best practices for performance optimization: code splitting, caching, lazy loading, etc.

● Monitor and enhance production frontend performance using tools like Lighthouse, Chrome DevTools, and analytics platforms

● Champion frontend observability and real-user monitoring (RUM), ensuring reliability at scale

🛒 Marketplace Experience

● Design and implement workflows for product discovery, purchase, and

SKU management

● Incorporate secure payment integrations (Stripe, PayPal, etc.) and

compliant checkout experiences

● Continuously improve the user journey based on metrics, user feedback, and product roadmap

🎯 Technical Leadership & Mentorship

● Provide architectural guidance and best practices to other frontend developers

● Conduct code reviews, lead UI quality initiatives, and support accessibility efforts (WCAG compliance)

● Collaborate with backend, DevOps, Product, and UX teams for end-to-end feature delivery

✅ Must-Have Skills & Experience

● 5+ years of experience in frontend or full-stack development with a focus on React

● Deep understanding of JavaScript (ES6+), HTML5, CSS3, and modern frontend tooling (Webpack, Babel, etc.)

● Strong grasp of state management libraries (Redux, MobX, Context)

● Proven ability to build and scale React apps with performance in mind

● Experience in building checkout flows or subscription-based interfaces

● Comfortable integrating secure payment gateways and ensuring

frontend security

● Excellent collaboration skills in cross-functional and Agile teams

● Experience mentoring junior engineers and driving frontend architectural decisions

⭐ Bonus Skills & Good-to-Have

● Working knowledge of TypeScript or other typed languages

● Familiarity with cloud-native observability principles (e.g., tracing, logs, AIOps)

● Experience with design systems, component libraries, and accessible UI practices

● Exposure to CI/CD pipelines, frontend environment setup, and deployment strategies

● Experience working with e-commerce or SaaS marketplaces

🧠 Why This Role Matters

This role gives you the opportunity to define and lead the UI direction of a next-generation platform that combines observability and e-commerce. You’ll shape how thousands of developers and customers interact with one of the most important pieces of our client’s evolving ecosystem. If you're passionate about frontend excellence, user-centric product development, and working at the intersection of technology and design, this is your chance to make a global impact.

📘 About the Employment Model – Direct Employment

You will be hired directly by the client (Code Name: SORIN) and be part of their core product team in India. All aspects of your employment — including title, responsibilities, compensation, and performance review — will be directly managed by the client. Straatix is supporting the client in identifying and onboarding top-tier talent for this role.

Requirements

Must have 1.5 years of experience in front end development in an internet startup

Deep knowledge of Angular practices and commonly used modules based on extensive work experience

Proficiency with javascript and html5

Extensive knowledge of CSS and JS methods for providing performance visual effects and keeping the frame rate above 30 fps at all times

Thorough understanding of the responsibility of the platform, database, API, caching layer, proxies and other web services used in the system

Creating custom general use modules and components which extend the elements and modules of core Angular

Ability to understand business requirements and translate them in to technical requirements

Roles and responsibilities

Delivering a complete front end application

Ensuring high performance on mobile and desktop

Writing tested, idiomatic and documented Javascript, HTML, CSS

Co-ordinating the workflow between graphic designer, HTML coder and yourself

Cooperating with the back end developer in the process of building restful API

Communicating with external webservices

Ensure high quality graphic standards and high consistency

Stay up to date on emerging technologies

Write functional requirement documents and guides

Must have skills (Angular 6, CSS, HTML, Javascript (ES5 and ES6), rest ful API, Product company / startup experience)

Technical Skills Required:

• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, React/Angular )
• Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache) and UI/UX design
• Excellent communication and teamwork skills
• Great attention to detail
• Organizational skills
• An analytical mind

Job Description:

• Strong in Vue.js or React.js, HTML, HTML5, DOM(Document Object Model) concepts
• Must know Nuxt.JS a Vue Framework.
• CSS3, SASS, SCSS, Bootstrap 4, Webpack, Box Modelling, Grid System
• Responsive Design, Cross browser/device development
• Strong knowledge of JavaScript
• OOJS - Object-oriented JavaScript
• NPM/YARN Representation 
• REST API knowledge
• Modular programming, Use of NPM Components

Responsibilities

• Ability to translate Wireframes and PSD Designs into functional web apps using HTML5, AngularJS, React , Node.js, and Mongo

• Binding of UI elements to JavaScript object models

• Creating RESTful services with Node.js

• Architect scalable web architectures

• Work in a cross-functional team to deliver a complete user experience

• Create Unit and Integration tests to ensure the quality of code

• Be responsive to change requests and feature requests

• Write code that is cross-platform and cross-device compatible

• Ability to wear many hats and learn new technologies quickly

Job Title: UI Developer- HTML / CSS / JavaScript

Department: Technology and Research

Location: Mohali, Punjab

Reports to:  Technical Lead

Context

Sampana Digital (SDPL) (http://www.sampanadigital.com">www.sampanadigital.com)  is a digital technology company that provides end-to-end product engineering and digital transformation services. Our engineering services includes web & mobile application development, user experience design, cloud, testing and infrastructure managed services to transform businesses digitally. We also enable enterprises with contextual and personalized two-way multi-channel mobile communications, including SMS, voice, email and PWA technology.

We believe in small teams of smart, committed, and diverse individuals coming together and form a breakthrough insight. We are a team of passionate professionals to craft an unbeatable culture and services.

Come and join us!   

Role Description

We are looking for a creative and skilled UI Developer to develop websites and applications with functionality and aesthetics in mind. The UI Developer will work with Back-End Developers and Front End Developers to ensure that the website is optimized for several devices and presented in an attractive way. As a UI Developer one must have excellent knowledge of HTML, CSS and JavaScript.

Job Responsibilities

• Writes high quality code & unit tests, builds, tests as per agreed timelines
• Participates in technical design and provides estimation
• Owns one or more small to medium features
• Becomes a go-to person in at least one area
• Communicates clearly and gets clarification upfront to minimise rework.

Skills

• Exhibit strong problem solving skills, helps other developers and demonstrates teamwork
• Understands detailed requirements and demonstrates excellent problem solving skills
• Deep understanding of software engineering practices, Design Patterns.
• Hands-on experience in UI framework
• Understanding of web markup, including HTML5, CSS3 and cross-browser compatibility issues.

• Proficiency in converting visual design (created in Adobe Photoshop, Illustrator,etc) into HTML CSS.

• Strong sense of ownership, drive and ability to deliver results
• Strong communication skills
• Must have experience in bootstrap/ responsive design
• Experienced in web performance testing tools