Senior Software Engineer - ReactJS/javascript

About us

Founded in 2018, Seventh Triangle is a Direct to Consumer enabler and Digital Transformation Agency. As a Shopify Plus Partner in India, we collaborate with top enterprise brands including Jockey, Titan, Nykaa, and V-Guard to achieve Revenue & Profitability growth using Data, Technology and Marketing interventions. With 120+ team members across Noida and Bengaluru, we’re known for driving measurable eCommerce success in the D2C and Shopify space. At Seventh Triangle, we help D2C businesses primarily with four service stacks which are Technology (Store Migration, Revamp, CRO and monthly maintenance), UI & UX, Growth Marketing (Performance, Retention and SEO) and Data Analytics (Management Dashboards).

Role Overview

We are seeking a skilled Shopify Frontend Developer with 2–4 years of experience. The ideal candidate will build engaging, responsive, and high-performing eCommerce experiences using Shopify themes and modern frontend technologies.

Key Responsibilities

• Develop and customize Shopify themes using Liquid, HTML, CSS, and JavaScript
• Understand client requirements and provide technical solutions and effort estimates
• Convert Figma/XD designs into functional and visually accurate Shopify pages
• Build responsive, mobile-first experiences for all device types
• Optimize website speed, including Core Web Vitals and performance metrics
• Implement custom features using Shopify APIs and third-party integrations
• Ensure SEO best practices and web accessibility standards
• Troubleshoot and debug frontend issues across browsers and devices
• Stay updated on Shopify platform developments and eCommerce trends

Required Qualifications

• Experience: 2–4 years in Shopify frontend/theme development
• Shopify Expertise: Strong knowledge of Liquid and theme customization
• Proven experience customizing paid themes like Impulse, Prestige, Motion, Impact
• Hands-on expertise with Dawn and Horizon, including architecture-level understanding
• Strong skills in HTML5, CSS3, JavaScript (ES6+), responsive design
• Experience with modern frameworks like React or Vue.js
• Proficiency with Git and collaborative development workflows
• Strong understanding of web performance optimization
• Ability to ensure cross-browser compatibility

Technical Skills

• Shopify Liquid
• HTML5, CSS3, JavaScript (ES6+)
• Responsive & mobile-first development
• REST APIs, AJAX
• jQuery & modern JS frameworks
• Git, GitHub
• Chrome DevTools & debugging
• Shopify theme customization & app integrations

Soft Skills

• Strong problem-solving and attention to detail
• Excellent communication and teamwork abilities
• Ability to manage multiple projects and deadlines
• Self-motivated with a learning mindset
• Good understanding of eCommerce UX and customer journeys

It is an app platform (Android & iOS) that offers discovery, trials and purchase of lifestyle brands across multiple categories like beauty and grooming, food and beverages, health and wellness, fragrances, smart technology, accessories, services and experiences targeted towards the upper middle class.

What shall be expected of you:

● Be responsible for the core UI framework, and implement and maintain it.

● Responsible for the development of the front-end applications and

components.

● Coordinate with the backend engineers & designers for requirement

gathering of the product.

● Responsible for quality assurance including web usability, accessibility,

testing and debugging.

● Build reusable code and libraries for future use.

You must have:

● 2-5 years of prior hands-on experience in building responsive web

interfaces for consumers.

● Strong development experience in the following technologies (HTML,

CSS, Javascript, AJAX, working with REST APIs)

● Front end frameworks/libraries such as ReactJS, and Redux.

● Ability to translate product requirements into functional code.

● Ability to estimate the scope of work for sprint planning.

● Self-motivation and ability to work in a small team with minimal

supervision.

Would be awesome if you are also good at:

● SEO and page speed optimization.

● Web standards, Responsive design, and cross-browser compatibility,

Accessibility.

● Additional web technologies like Angular, Vue JS, Next JS etc.

● Must be fluent in writing code in ES6+ along with linters. ● CSS

preprocessor - SCSS/ LESS

React.JS JD:

We are looking for a skilled react.js developer to join our front-end development team. In this role, you will be responsible for developing and implementing user interface components using React.js concepts and workflows such as Redux, Flux, and Webpack. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.

To ensure success as a react.js developer, you should have in-depth knowledge of JavaScript and React concepts, excellent front-end coding skills, and a good understanding of progressive web applications. Ultimately, a top-class react.js developer should be able to design and build modern user interface components to enhance application performance.

React.js Developer Responsibilities:

Meeting with the development team to discuss user interface ideas and applications.

Reviewing application requirements and interface designs.

Identifying web-based user interactions.

Developing and implementing highly responsive user interface components using react concepts.

Writing application interface codes using JavaScript following react.js workflows.

Troubleshooting interface software and debugging application codes.

Developing and implementing front-end architecture to support user interface concepts.

Monitoring and improving front-end performance.

Documenting application changes and developing updates.

React.js Developer Requirements:

Bachelor’s degree in computer science, information technology, or a similar field.

Previous experience working as a react.js developer.

In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.

Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.

Experience with user interface design.

Knowledge of performance testing frameworks including Mocha and Jest.

Experience with browser-based debugging and performance testing software.

Excellent troubleshooting skills.

Good project management skills.

Responsibilities:

• Review, Evaluate, and Validate technical requirements.
• Work and lead other team members to translate the requirements into final deliverables.
• Understand Storyboards and Visual mock-ups.
• Understand and utilize the latest tools, technologies, and trends in Web development.
• Ensure the deliverables meet Primathon standards, and guidelines.
• Developing your frontend capability in complex problems and expanding your horizon of technologies.
• Responsible for designing, coding and modifying web pages that are focused on content within the standards, guidelines and requirements of clients.
• Work with clients, and other team members as appropriate.
• Understand and utilise the tools and technologies being used.
• Work with CTO to keep on track with the project plan.
• Come up with efficient, modular and scalable solutions for business and technical problems.

Requirements:

• Experience with Frontend technologies (React.js ).
• Proficient understanding of web markups, including HTML, CSS-3
• Proficient with modern JavaScript (ES6+: classes, modules, arrow function, destructuring etc).

We are looking for bright and extraordinary software developers to join our technology team. You will build next generation software used by some of the most sophisticated alternative asset managers, as well as architecting solutions to support new technical and business initiatives.

           What You'll Do

• Build awesome end user experience using a combination of UX design + Right UI frameworks.
• Work with the product team to understand the end user needs and build intuitive UI flows.
• Develop technical design documentation for frontend.
• Collaborate with backend team to discuss and close API contracts.
• Collaborate with non-technical stakeholders (Product Managers, Designers) to review usability, accessibility of the UI.
• Build reusable components.

What You'll Need

• A bachelor's degree in Engineering with 2-5 years of experience in IT industry
• 2+  years of web development technologies including HTML5 JavaScript, typescript, React, CSS, TDD
• Good understanding of UX design, usability, accessibility, look and feel consistency
• Good understanding of architectural principles, patterns, web performance
• Experience in latest trends ES6/7 Node.
• Working knowledge of Object-Oriented JavaScript and Functional JavaScript.
• Having experience/understanding of Material UI design and mobx are preferred
• Deep understanding in core web and browser concepts
• Strong communication and interpersonal skills

Arcesium and its affiliates do not discriminate in employment matters on the basis of race, color, religion, gender, gender identity, pregnancy, national origin, age, military service eligibility, veteran status, sexual orientation, marital status, disability, or any other category protected by law. Note that for us, this is more than just a legal boilerplate. We are genuinely committed to these principles, which form an important part of our corporate culture, and are eager to hear from extraordinarily well qualified individuals having a wide range of backgrounds and personal characteristics.

• Make good engaging user interface
• Integrate apis and make it functional
• Writing tested and documented JS, HTML and CSS
• Perform product analysis and development tasks of increasingly complex nature which may require extensive research and analysis.
• Make design and technical decisions for REACT-JS projects.
• Ensuring high performance

Responsibilities

• Work on a full product development lifecycle from requirement gathering, product design, development, to roll out and maintenance
• Effectively collaborate with multiple teams and stakeholders including product and design
• Own the delivery of multiple features of the product end to end 
• Advocate best development practices such as continuous integration/continuous delivery, automation (testing and infrastructure) and code modularity, extensibility, quality
• Experience in building Websites from Scratch is a big plus

Primary Skills:

• Min 6+ Years in Web Application Development
• Write clean, solid and testable code while keeping the user experience fast and reliable
• Strong understanding of HTML, CSS, JS, JQuery, React, Redux 
• Proficient in Web Interface designing
• Experience in developing reusable UI components
• Deep functional knowledge or hands on design experience with Web Services 

Strong grasp of security principles and how they apply to E-Commerce websites

LOOKING FOR IMMEDIATE JOINERS OR 30DAYS FROM PRODUCT/ECOMM COMPANIES

The  will be responsible for :

• Designing and development of Responsive Web Application
• Strong Knowledge of HTML5, CSS & Java Script
• Strong Understanding of concept of DOM (Document Object Model)
• Understanding of how browsers (Chrome, Mozilla) work behind the scene
•  Knowledge of React JS, CSS Flexbox (Preferred or Optional )

About Alore

Alore brings revenue velocity to businesses by being their dependable growth operating system.

For further information on what Alore can do for growing businesses, please visit http://alore.io">alore.io

Alore is based out of Singapore with an office at Bangalore.

Who should NOT apply for this job

• If you are looking for a 100% hike in your salary but can't commit to what value you will bring on the table
• If you never read books
• If you jump companies every 11-12 months
• If you are not comfortable working on Saturdays
• If you have less than 2 years of experience
• If you have more than 4 years of experience
• If you have never worked in a product-led company

CTC:
5.5-7.5 LPA based on experience and on performance in the interview round (70% Fixed - 30% Variable Incentive based on delivery schedule) (We do ZERO deductions since the salary will be paid from Singapore)

About the Role:
We are looking for a Front-End Web Developer who is motivated to combine the art of design with the art of programming. Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application. You will work with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.

Responsibilities:

• 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 the back-end
• Collaborate with other team members and stakeholders

Requirements:

• Min 2 years experience
• Max 3 years of experience in Web development
• Proficient understanding of Angular 2+
• Proficient understanding of web markup, including HTML5 CSS3
• Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Proficient understanding of code versioning tools, such as (GitHub, GitLab)

In this role you will

• Be a part of a small UI team and will work closely with the UXdesigner and product manager to shape the product design.
• Build web UI components for a cloud-native SaaS product.
• Drive clear requirements for the backend APIs working closely withthe backend engineers.
• Focus on quality and velocity by developing appropriate tests.

Requirements

• Highly motivated self-starter with a builder’s mindset.
• 5+ years of web UI development experience.
• Highly skilled in JavaScript, HTML and CSS.
• Deep knowledge and experience of REST APIs.

Preferred: experience with frameworks such as React

Preferred: full stack development experience