Senior Fullstack Developer

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.

🔴 Profile: Senior Java Full Stack Developer

🔷 Experience: 6+Years

🔷 Location: Remote

🔷 Shift: Day Shift

(Only immediate joiners & candidates who have completed notice period)

✨ What we want:

✅ Java 8+ expertise

✅ React proficiency

✅ Jenkins (CI/CD pipeline management)

✅ Docker (Containerization)

✅ React (Advanced component development)

✅ CI/CD (Continuous Integration/Deployment)

✅ Spring Boot framework

✅ Microservices architecture

✅ Full stack development experience

✅ RESTful API development

✅ Database experience (SQL/NoSQL)

✅ Git version control & CI/CD

✅ Frontend-Backend integration

Senior Software Developer – Java Full Stack | AI-Powered Innovation

Experience: 6–10 years

Department: Engineering & Innovation

🌟 About the Role

We’re searching for a Senior Software Developer who thrives on solving complex challenges and building world-class products that redefine technology boundaries. You’ll be part of a dynamic team that brings Java full-stack excellence together with Python and AI-driven innovations, crafting scalable, intelligent, and high-performance solutions.

If you love clean code, intelligent systems, and pushing the limits of what’s possible, this is your playground.

💡 What You’ll Do

• Design, develop, and deploy robust Java-based full-stack applications with a focus on performance, scalability, and reliability.
• Collaborate with cross-functional teams to integrate AI and Python-driven components into enterprise-grade systems.
• Architect and maintain microservices, RESTful APIs, and modular components for high-availability platforms.
• Engage in end-to-end product development — from ideation to deployment — using modern frameworks and tools.
• Champion best coding practices, conduct code reviews, and mentor junior engineers.
• Explore, experiment, and implement new technologies in AI, automation, and intelligent analytics.
• Troubleshoot complex issues, debug performance bottlenecks, and deliver elegant solutions.

🧠 What Makes You Stand Out

• Strong expertise in Java, Spring Boot, Hibernate, and modern JavaScript frameworks (React, Angular, or Vue).
• Hands-on exposure to Python programming — especially for automation or AI/ML integration.
• Solid understanding of AI/ML frameworks (TensorFlow, PyTorch, or OpenAI APIs) is a big plus.
• Experience with cloud technologies (AWS, Azure, or GCP) and containerization tools (Docker, Kubernetes).
• Proven record of building scalable microservices and RESTful APIs.
• Passion for problem-solving, algorithmic thinking, and clean architecture.
• Excellent communication and collaboration skills — you turn complex problems into creative solutions.

⚙️ Tech Stack Snapshot

Languages: Java, Python, JavaScript

Frameworks: Spring Boot, React/Angular/Vue, Flask (optional)

Tools: Git, Jenkins, Docker, Kubernetes

Databases: MongoDB, MySQL, PostgreSQL

Bonus: AI/ML frameworks, Generative AI, or NLP experience

🌈 Why You’ll Love Working Here

• Work on cutting-edge AI-integrated applications that make a real-world impact.
• Join a culture that values innovation, autonomy, and technical excellence.
• Collaborate with brilliant minds who inspire and challenge you daily.
• Enjoy flexibility, learning opportunities, and a growth-oriented environment.

💬 Ready to code the future?

Apply now and let’s build something extraordinary together!

A Skilled Full Stack Developer is a versatile and highly capable software engineer who can handle both front-end and back-end development tasks. They possess a broad understanding of the entire web development stack, enabling them to build and maintain complex web applications. Here's a comprehensive job description outlining their responsibilities, skills, and qualifications:

Job Title: Skilled Full Stack Developer

Job Summary:

We are seeking a highly motivated and experienced Full Stack Developer to join our dynamic team. The ideal candidate will be responsible for designing, developing, and maintaining robust and scalable web applications. You will work across the entire development lifecycle, from conceptualization and design to implementation, testing, and deployment. You will collaborate with cross-functional teams, including designers, product managers, and other developers, to deliver high-quality solutions that meet our business needs.   

Responsibilities:

• Full Stack Development: Design, develop, and maintain both front-end and back-end components of web applications.   
• Front-End Development:Build responsive and user-friendly interfaces using HTML, CSS, JavaScript, and modern front-endframeworks (e.g., React, Angular, Vue.js).   
• Implement UI/UX designs and ensure cross-browser compatibility.
• Optimize front-end performance for speed and scalability.

MERN Stack Developer

2.5+ YEARS

Roles and Responsibility

Working experience as a MERN Stack Developer.

Design, code and manage large scale services using cutting edge technologies (NodeJs, ReactJS/AngularJS/VueJs etc).

In-depth knowledge of NodeJS.

Creating secure RESTful-based web services in XML or JSON.

Good knowledge in ECMAScript(6/7/8) is essential.

Strong fundamentals in Data Structures and Algorithms.

Experience implementing applications using Angular or React.

Should have an working experience with state management, React Hooks, React Fragments etc.

Should have a good Knowledge of Redux, Flux, and Webpack.

Writing the test case for components.

Experience working with Docker, Redis, MySQL, MongoDB.

Comfortable taking challenges and learning new technologies.

Excellent communication skills and client-facing experience.

Ability to mentor and build the team.

Knowledge of code versioning tools such as Git, Bitbucket or SVN.

Knowledge of the following will be considered as an advantage

Experience with Socket.IO for Real time communications.

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

Caching with Redis For Speedy Performance.

Experience with cloud message APIs.

Knowledge of GraphQL, PostgreSQL.

Knowledge of NextJs.

Knowledge of any frameworks of NodeJS.

Experience with Progressive Web applications.

Knowledge of SSR.

Responsibilities

• Strong knowledge of MERN stack (MongoDB, Express JS, React JS, Node JS, HTML5, CSS3, jQuery, Bootstrap, SASS)
• Develop user interfaces for modern rich internet applications with the latest front-end technologies
• Developing features to enhance the user experience.
• Should have excellent in-depth knowledge on Nodejs and MongoDB
• Hands-on experience working with Object-Oriented JavaScript (OOJS), JavaScript libraries and their practical uses in building complex interactive experiences
• Building reusable code for future use
• Writing tested code and its documention

• 1+ years of experience in front end development and backend development is must
• Thorough knowledge of HTML5, CSS3 (LESS/SASS),React, Nodejs and Mongodb
• Solid understanding of JavaScript and the ability to pick up any framework quickly
• Strong Experience in back-end frameworks used to develop dynamic web pages (REST, GraphQL, WebSocket/socket.io)
• Expertise in developing and testing across multiple browsers, platforms, DOM implementations, etc.
• Strong experience in React, React Hooks, Redux, Thunk | Saga, ES6, Typescript, ESLint, Nodejs, GraphQL, Redis, AWS, Git, Github, Docker

Bonus but not mandatory

• UI/UX designs
• AWS
• Git
• CI/CD

• Work with development teams and product managers to ideate software solutions

• 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

• Write technical documentation

• Proven experience in Software Development

• Experience developing web applications

• Knowledge and Understanding  of programming languages(e.g. Java, Python, C, C++) and Understanding JavaScript frameworks (e.g. React, Node.js)

• Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache) 

• Excellent communication and teamwork skills

• Great attention to detail

Need Web Application Developer immediately

Location : Chennai (Arumbakkam)

Roles & Responsibilities :

1. Participate in scrum meetings & design discussions.

2. Develop core REST APIs using .Net Core

3. Design & development of user interfaces using Angular 10 & above

4. Coordinating with other developers and designers in the team to get the desired results.

5. Good understanding of Angular JS optimization techniques, cross-browser compatibility and responsive web design.

6.Ability to solve problems creatively and effectively.

Technologies: .Net Core, ASP.Net, HTML5, CSS3, Angular 10 & Above.

Experience Level: 2 - 4 years

Requirement :

Must be able to work independently,

Should be good in OOPS and fundamentals.

Should have knowledge in handling source control (Git).

Preferred full stack developer.

Note : Attach your updated CV and then click apply plz

Job Type: Full-time

Salary: ₹20,000.00 - ₹30,000.00 per month

The ideal candidate will be responsible for developing and maintaining the entire technology stack of Walnut Schools, consisting of school management software, e-Learning software, mobile apps and Google Apps Scripts.

Responsibilities

• Develop quality software and web applications
• Analyze and maintain existing software applications
• Design highly scalable, testable code
• Discover and fix programming bugs

Qualifications

• Bachelor's degree or equivalent experience in Computer Science or related field
• 2+ years of active development experience with PHP (Code Igniter, Symfony), React.js, MySQL, Web Applications, GIT
• Puzzle solver
• Tinkerer who loves to create new products