Fullstack Developer SE1

About koolio.ai

Website: www.koolio.ai

Koolio Inc. is a cutting-edge Silicon Valley startup dedicated to transforming how stories are told through audio. Our mission is to democratize audio content creation by empowering individuals and businesses to effortlessly produce high-quality, professional-grade content. Leveraging AI and intuitive web-based tools, koolio.ai enables creators to craft, edit, and distribute audio content—from storytelling to educational materials, brand marketing, and beyond. We are passionate about helping people and organizations share their voices, fostering creativity, collaboration, and engaging storytelling for a wide range of use cases.

About the Internship Position

We are looking for a motivated full-time Software Development Intern to join our innovative team. As an intern at koolio.ai, you’ll have the opportunity to work on a next-gen AI-powered platform and gain hands-on experience developing and optimizing backend systems that power our platform. This internship is ideal for students or recent graduates who are passionate about backend technologies and eager to learn in a dynamic, fast-paced startup environment.

Key Responsibilities:

• Assist in the development and maintenance of backend systems and APIs.
• Write reusable, testable, and efficient code to support scalable web applications.
• Work with cloud services and server-side technologies to manage data and optimize performance.
• Collaborate with cross-functional teams to integrate frontend features with backend logic.
• Collaborate with the product and design teams to develop and implement user-friendly web interfaces
• Ensure responsive design and optimize web pages for performance and scalability across devices
• Debug and resolve issues, improving the overall user experience on the platform and ensuring reliability
• Assist in integrating APIs and frontend services with the backend
• Stay up-to-date with the latest trends and suggest improvements to enhance the platform’s functionality

Requirements and Skills:

• Education: Currently pursuing or recently completed a degree in Computer Science, Engineering, or a related field.
• Technical Skills:
• Good understanding of server-side technologies like Python
• Familiarity with REST APIs and database systems (e.g., MySQL, PostgreSQL, or NoSQL databases).
• Exposure to cloud platforms like AWS, Google Cloud, or Azure is a plus.
• Knowledge of version control systems such as Git.
• Strong proficiency in JavaScript frameworks like ReactJS or Redux
• Proficiency in frontend languages such as HTML, CSS, and JavaScript (ES6+)
• Soft Skills:
• Eagerness to learn and adapt in a fast-paced environment.
• Strong problem-solving and critical-thinking skills.
• Effective communication and teamwork capabilities.
• Other Skills: Familiarity with CI/CD pipelines and basic knowledge of containerization (e.g., Docker) is a bonus.

Why Join Us?

• Gain real-world experience working on a cutting-edge platform.
• Work alongside a talented and passionate team committed to innovation.
• Receive mentorship and guidance from industry experts.
• Opportunity to transition to a full-time role based on performance and company needs.

This internship is an excellent opportunity to kickstart your career in software development, build critical skills, and contribute to a product that has a real-world impact.

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

- Good understanding of NODE JS back-end development

- Strong understanding of Node.js and frameworks available for it

- Understanding of front-end technologies, such as React or Angular, HTML and CSS3
-Solid understanding of object-oriented development and design patterns.

- Good experience with AJAX, REST and JSON

- Experience with development practices such as Test-Driven Development and Continuous Integration
-Experience in Version Control Systems like GIT, Bitbucket
- Must have good problem solving and analytical skills.

- Must be a team player, having good communication skills, self-starter

- Ability to pick up new technology is needed.

JD – Sr Nodes Js  Developer

About Us:Our client is India’s first end to end CX platform enabled with gig-workforce. We empower companies to shift their CX centres to 100% Opex model and enable businesses to deliver quality customer experience services at significant cost benefits through our unique people and technology platform.

Our vision is to be the leading global customer experience service provider translating advanced technology through our network of existing local talent pools to add value for our customers.

Skills:
PRIMARY SKILLS NEEDED:

NodeJS, Angular and AngularJS
Sound SQL/MSSQL expertise
Sound experience in deployment of Web applications on AWS/Google cloud platforms

Experience on telephony or messaging applications and interfaces is good to have

Experience:
8-12 years of Full Stack Application development experience is must.
Deep understanding of client side development, coding in HTML5, CSS3, JavaScript ES6, and jQuery.
Strong experience using a client side MVC framework such as NodeJS, Angular and AngularJS
Topnotch programming skills and writing code for robust software design.
Experience in responsive design, cross browser compatibility and website performance.
Experience in object oriented design skills.
Aggressive problem diagnosis and creative problem solving skills.
Good understanding of how browsers and DOM work.
Experience with Git.
Experience with handling Services, RESTful, APIs.

Knowledge of frontend CSS frameworks like Bootstrap, Material UI and pre-processors like SASS and LESS.

Responsibilities:
To work with a cross-functional software development team on highly visible strategic projects as an expert level individual contributor to the coding tasks assigned.
Experience working with remote data via REST and JSON
Experience with third party libraries and APIs (Google APIs etc.)
Produce well designed efficient code in a timely manner to meet delivery timescales/milestones.
Mentor other developers on software best practices technical guidance and help grow their software development skill sets.
To proactively stay plugged into emerging technologies/industry trends and apply them into operations and activities.
Should demonstrate the ability to handle multiple projects simultaneously, manage priorities and communicate progress effectively.

Hands-on experience in C#, http://asp.net/" target="_blank">ASP.NET, MVC, Web API, SQL Server.

·       Experience in latest .Net framework versions (4/4.5/.Net Core 2.0 Frameworks), SQL Server 2008/2012.

·       Experience in OOPS, HTML5, Bootstrap,CSS, AJAX/ JavaScript/ JQuery/ AngularJS and Angular 2.0 and web development.

·       Excellent communication, analytical and interpersonal skills.

·       .NET Full Stack (C#, MVC / .Net Core, WEB API, JSON, REST, JavaScript, Ajax)

·       Good knowledge on Angular development, Angular JS

·       knowledge in Azure cloud solutions.

·       Developing and Hosting REST API Swagger and integration with angular.