Web Application Developers

Company Description

Gaea - Purpose First CRO Agency is dedicated to creating and nurturing purpose-driven brands. Inspired by the Greek goddess of Earth and life, Gaea focuses on helping brands align with their purpose, fostering authentic storytelling, meaningful connections, and sustainable growth. Gaea partners with founders and visionaries who aim to build brands that stand the test of time, prioritize substance over trends, and create lasting impact. With a philosophy rooted in conscious growth, Gaea empowers businesses to craft spaces of storytelling, community, and purpose, rather than merely sales-driven platforms.

Role Description

This is a full-time, on-site role for a Full Stack Developer with Shopify experience, based in Calcutta (in-office). The developer will be responsible for designing, developing, and maintaining both front-end and back-end components of web applications, with a focus on Shopify platforms. The role includes the creation and implementation of responsive, user-friendly interfaces, as well as developing and integrating robust back-end systems. Collaboration with cross-functional teams to align technical solutions with business goals will be a key aspect of this position.

📍 Kolkata (In-Office) | 💰 ₹35,000 – ₹45,000/month

Qualifications

• 3–5 years of hands-on experience with Shopify
• Expertise in Front-End Development, including proficiency in HTML, CSS, and JavaScript
• Experience in Back-End Web Development and Full-Stack Development, with an understanding of server-side programming and integration
• Proficient in Shopify development and theme customization
• Performance optimization (LCP, lazy loading, asset optimization)
• Responsive design & cross-browser compatibility
• Experience working with Shopify APIs / webhooks and headless architecture
• Exposure to tools like: Claude Code / OpenAI / Copilot and Automation tools (Zapier, n8n, etc.)
• Can clean up messy Liquid + JS-heavy themes
• Background in Software Development with a focus on creating scalable, efficient solutions
• Strong problem-solving and debugging skills
• Excellent communication and team collaboration skills
• Bachelor's degree in Computer Science, Software Engineering, or a related field is preferred
• Experience in e-commerce platform development is a plus

Why Join us ?

• Work on real-world eCommerce scale problems
• Exposure to modern Shopify + headless architecture
• Hands-on experience with AI-driven development workflows
• Opportunity to directly impact business metrics (conversion, revenue) + working with founders

Responsibilities:

• Develop and maintain dynamic websites and web applications using PHP, HTML, CSS, JavaScript, and other relevant technologies.
• Proficient in frontend frameworks and libraries like HTML, CSS, Bootstrap, jquery, ajax.
• Design and implement both static and dynamic websites catering to client requirements.
• Create and maintain Content Management Systems (CMS) and Customer Relationship Management Systems (CRM).
• Utilize problem-solving skills to troubleshoot and resolve issues in existing web applications.
• Collaborate with cross-functional teams to ensure effective communication and successful project delivery.
• Keep abreast of industry trends and emerging technologies to continually improve development processes.

Requirements:

• Bachelor’s degree in Computer Science, Engineering, or relevant field.
• Proven work experience as a PHP/ CodeIgniter Developer with a strong understanding of frontend and backend development.
• Expertise in creating static and dynamic websites, along with hands-on experience in CRM development.
• Strong problem-solving skills with the ability to analyse and resolve complex issues efficiently.
• In-depth knowledge of PHP frameworks such as CodeIgniter and Laravel, RESTfull APIs.
• Familiarity with version control systems (e.g., Git) and agile methodologies.
• Excellent communication skills and the ability to work in a collaborative team environment.
• Proficiency in MySQL, SQL
• Should be able to integrate thirdparty APIs

Preferred Qualifications:

• Experience in deploying and managing web applications on different hosting platforms.

• Work with development teams and product managers to create software solutions.
• Design client-side and server-side architecture.
• Build the front-end of applications.
• Develop and manage well-functioning databases and applications.
• Write effective APIs.
• Test software to ensure responsiveness and efficiency.
• Troubleshoot, debug and upgrade software.
• Create security and data protection settings.
• Build features and applications with a mobile responsive design.
• Write technical documentation.
• Work with data scientists and analysts to improve the software.

Qualifications:

Degree in Computer Science, Software Engineering or relevant field.
Experience with Java, Spring, and Restful API's.
Experience with Database development (MySQL, Postgres, etc).

Proven experience as a Full Stack Developer or similar role. Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, jQuery).
Knowledge of multiple back-end languages (e.g. Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js).
Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache), and UI/UX design.
Experience with AWS or other cloud environments

[Developers with strong React JS knowledge and open to learning the Vue JS framework also can apply]

We are looking for a SDE—Full stack  Web Developers with 2+ years of hands on experience along with Strong Frontend knowledge  Vue, React , Nuxt JS, using Bootstrap ability adopt all-new Vue complete state management modern stacks and it’s SEO configuration and develops an abundance of ideas for building efficient UI components, UI strategies, also worked on Backend JS Frameworks latest Node js Express JS, REST API Design, serverless concept  (npm, Express Js).

 Required skills

• Ability to translate designs from product teams into working product features.
• Design and build software for mobile, front-end clients and back-end systems.
• Strong understanding and fundamentals of HTML/CSS/JS 
• Vue Js, Nuxt JS, using Bootstrap (Vue CLI, Vue Router, Vuex, Composition API, Vite/Webpack configurations, hooks) and ability to adopt all-new Vue complete state management modern stacks.
• Ability to Migrate to the latest version of the respective Web UI framework and its SEO configuration and develop an abundance of ideas for building efficient UI components, UI strategies.
• Worked on Latest Node js, REST API Design, serverless concept  (npm, Express Js)
• Experience in NoSQL DB Collection documents data modeling and design for that large scale projects  (Firestore or MongoDB )

Optional Skills

• Knowledge of Advanced GCP fundamentals like Google Load balancer, Google cloud CDN.
• Have explored new backends stacks like GraphQL Hasura Cloud.
• Experience in REST API caching and CDN configurations.
• Worked on Instant pages load with more Google Lighthouse score and worked on resolving JS error reports. 
• Optional: Knowledge on Google Serverless Technologies like Google Firebase Platform (Firebase Auth, Cloud Function, Cloud Run, Google Firestore, Firebase Web SDK ) Fundamental knowledge of Docker, GCP, and the modern Serverless concept, worked on Docker (Devops Fundamental knowledge on Docker, Deployment, CD/CI) will be good.

JOB DESCRIPTION

Full Stack Developer Responsibilities:

• Developing front-end website architecture.
• Designing user interactions on web pages.
• Developing back-end website applications.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Seeing through a project from conception to finished product
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

Requirements:

• Degree in computer science, I.T
• Strong organizational and project management skills.
• Proficiency with fundamental front-end languages such as HTML, CSS, JavaScript, WordPress
• Proficiency with PHP
• Familiarity with database technology such as MySQL, Oracle, and MongoDB.
• Excellent verbal communication skills.
• Good problem-solving skills.
• Attention to detail.

About Company:

ESDA is a Software Development firm with a mission of providing innovative services and a vision of serving clients across the globe. It is a customer-centric Information Technology Company that specializes in Business Application Development. ESDA’s offerings are highly customizable and scalable. It also provides Web Development services and believes in providing 360-degree support to its clients. ESDA provides Web Development services like Web Designing, App Development, Digital Marketing, Graphic Designing, Hosting, Time and Material, and Gap Analysis Consultancy apart from these services, it is also working towards launching applications/software for the online market as its products.

• 2+ years of experience participating in the delivery of technology services.
• A proven ability to learn new applications & innovate in technology
• Strong Experience in technologies like Node, Webservices and Microservices
• Experience with cloud components and services and containerization technologies is desirable
• Exposure to ReactJS mandatory
• Experience working with multiple types of datastores: Mongo DB, SQL
• Experience in integrating, designing and developing solutions is desirable
• Experience with CI/CD and TDD is desirable
• Frameworks - Express , Hapi , feathers
• Strong knowledge in Javascript