LEAD Frontend Developer

Who are we :

Trendlyne, an Series-A funded, profitable products startup in the financial markets space with cutting edge analytics products aimed at businesses in stock markets and mutual funds.

Our founders are IIT + IIM graduates, with strong tech, analytics and marketing experience. We have top finance and management experts on the Board of Directors.

What do we do :

We build powerful analytics products in the stock market space that are best in class. Organic growth in B2B and B2C products have already made the company profitable. We deliver 800 million+ APIs every month to B2B customers.

Trendlyne analytics deals with 100s of millions rows of data to generate insights, scores and visualisations which are an industry benchmark.

Technical Skills Required :

- Hands-on development experience on ReactJS, React Native

- Excellent front-end development skills - Javascript ES6, HTML5, CSS3, Bootstrap/Flex

- Excellent understanding of web browsers, mobile browsers and responsiveness

- Experience in UI Build using Webpack/ Gulp

- Proficient understanding of code versioning tools, such as Git, Bitbucket, Github

- Proficient understanding of the performance of web and mobile applications

- Knowledge of Django web framework or Python will be an added advantage

Responsibilities :

- Develop new user-facing features, web and mobile applications

- Use HTML, CSS, JS, to deliver front-end of projects on time

- Work with UI & UX designers and project managers to ensure timely delivery of code

- Work with Backend developers and ensure smooth integration with CMS or APIs

- Build reusable code and libraries for future use

- Ensure the technical feasibility of UI/UX designs

- Optimize website for maximum speed and scalability

- As part of the core team, you will be working on cutting edge technologies like Spark, Flume, online backtesting and data visualization, and machine learning.

- All Developers will be involved with the entire lifecycle of the product right from product conceptualization, design, implementation and mobile app and web delivery.

- Salary on par with the industry, with company equity.

About the firm:

Sustainability lies at the core of Stantech AI, our vision is to empower organizations to derive actionable insights: effecting a smarter way of working. We operate on the premise that each firm is unique and as such requires its own idiosyncratic solutions. Putting this principle into practice, we deliver tailor made solutions to digitalize, optimize, and strategize fundamental processes underpinning organizations. For more information, please refer to our website:

www.stantech.ai.

Position Overview

We are seeking a Senior Frontend Engineer with extensive experience in React.js and Redux. The ideal candidate is well-versed in modern frontend best practices, has a deep understanding of state management, and is passionate about delivering high-quality, scalable software. In this role, you will collaborate with cross-functional teams to design, develop, and maintain user-facing features that enhance our platform and deliver an exceptional user experience.

Key Responsibilities

• Architect & Develop: Lead the design and implementation of complex React.js applications with a strong emphasis on Redux for state management.
• Code Quality & Reviews: Write clean, maintainable, and testable code. Conduct peer code reviews and enforce best practices across the frontend team.
• Performance Optimization: Identify and troubleshoot performance bottlenecks; implement optimizations to ensure fast, responsive user experiences.
• Collaboration: Work closely with product managers, designers, and backend engineers to define technical solutions, estimate project timelines, and deliver high-quality features.
• Technical Leadership: Provide guidance and mentorship to junior engineers, helping them grow their skills in React, Redux, and modern frontend technologies.
• Process Improvement: Contribute to continuous improvements in our frontend development process, coding standards, testing practices, and deployment pipelines.

Qualifications

• React.js Expertise: 3+ years of professional experience in building complex, high-scale React.js applications.
• Redux Mastery: Proven track record of architecting and maintaining global state management solutions using Redux.
• JavaScript & ES6+: Strong command of modern JavaScript (ES6+), along with a solid understanding of HTML and CSS.
• Frontend Best Practices: In-depth knowledge of performance optimization, cross-browser compatibility, and responsive design.
• Testing & Tooling: Hands-on experience with Jest, React Testing Library, or similar frameworks. Familiarity with build tools like Webpack, Babel, and NPM/Yarn.
• Version Control: Proficient with Git and branching strategies in collaborative environments.

Financial Package

• Rs. 10–20 Lakhs per annum, contingent on work experience

If you are a passionate Senior Frontend Engineer with expertise in React JS and are looking to join a forward-thinking technology firm, we would love to hear from you.

As a web application developer, your job is to program frontend modules and applications. We are looking for someone with expertise and experience in designing, developing and testing web applications including new developments, enhancements, maintenance and support. The role involves continuous collaboration with team, partners.

Responsibility

• Building interactive consumer data from multiple systems and RESTfully abstract to the UI using React JS ( javascript and typescript)  through a Node.js backend
• Create Unit and Integration tests to ensure the quality of code
• Address and improve any technical issues
• Ability to translate Wireframes and PSD Designs into functional web apps
• Be responsive to change requests and feature requests
• Write code that is cross-platform and cross-device compatible
• Strong commitment to quality and delivery
• Collaborate well with engineers, and specialists to design and create advanced, elegant and efficient system

Requirements: 

• Experience creating front end applications using HTML, React JS
• Database – MongoDB, SQL
• Fluent knowledge of latest HTML/CSS standards and best practices
• Experience building Responsive websites for web, tablet and mobile device
• Obsession with lean, clean and organized code
• Solid Understanding of HTTP protocol and how server-side code is processed on the client
• Knowledge of the following will be considered as an advantage

Consumer Web Development Experience for High-Traffic, Public Facing web applications

Experience with cloud technologies also a plus

Creating Unit test cases

Typescript

• Use markup languages like HTML to create user-friendly web pages
• Maintain and improve website
• Optimize applications for maximum speed
• Design mobile-based features
• Collaborate with back-end developers and web designers to improve usability
• Get feedback from, and build solutions for, users and customers
• Write functional requirement documents and guides
• Help back-end developers with coding and troubleshooting
• Ensure high quality graphic standards and brand consistency
• Stay up-to-date on emerging technologies

• Proven work experience as a Frontend developer
• Hands on experience with markup languages
• Experience with JavaScript, CSS and jQuery and Bootstrap framework
• Familiarity with browser testing and debugging
• In-depth understanding of the entire web development process (design, development and deployment)
• Understanding of layout aesthetics
• Knowledge of SEO principles and AMP is a plus
• An ability to perform well in a fast-paced environment
• Excellent analytical and multitasking skills
• BSc degree in Computer Science or relevant field

• 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

➢    Expert in React JS with about 4 years of experience

➢    Experience in using libraries like D3, Material UI, style sheets and theme management

➢    Should be able to understand requirements & design, develop efficient React JS Code, should have used tools to automate the test and deployment to production

➢    Should have good knowledge on REST APIs, Error handling and writing Unit and Integration Tests

➢    Knowledge of Java is desirable

Responsibilities

➢    Understand the Visual Designs, Functional Requirements and come up with the design/components needed to build the user interface.

➢    Work with Visual Designers to understand the graphic design patterns, themes, and implement in a structured way in the product front end

➢    Work with server side microservices team to develop the JSON contracts

➢    Develop efficient React JS code to implement these requirements

➢    Automate the testing and deployment of these components to production