MERN Stack Developer

• Full-stack developer good at react.js and node.js. 
• Should be good at algorithms 
• Working experience in AWS is a plus

Senior Software Engineer

Location: On-site, Panaji, Goa

About Joyful

Joyful is a leading AI-powered stakeholder communication management platform for voice of stakeholder analysis and contact center solutions. Our mission is to use AI to make all interactions between a company and its stakeholders joyful by removing friction. Joyful is a part of Germinait Solutions Pvt. Ltd.

Our  Joyful modules, Engage and Listen, help businesses understand and manage stakeholder interactions across digital channels. We enable companies to provide exceptional customer experiences while maximizing the productivity and efficiency of their support teams, all through one seamless platform.

At Joyful, we're committed to fostering meaningful interactions between stakeholders and brands by providing actionable insights, personalized replies, and a joyful experience for customers, users, and employees alike.

The Opportunity

We’re seeking a Senior Software Engineer who thrives on solving complex problems, architecting scalable systems, and bringing innovative AI-powered features to life. You will work on a modern, cloud-native stack—leveraging serverless deployment, microservices, and AI/ML integrations to build resilient, high-performance solutions.

In addition to delivering high-quality code, you’ll contribute to Joyful’s Vibe Coding culture—our approach to writing code that’s clean, collaborative, and a joy to work with.

What You'll Do

• Backend & Cloud Development
• Design, develop, and maintain scalable microservices for Joyful’s Engage and Listen platforms
• Build serverless applications and functions (AWS Lambda, Azure Functions, or GCP Cloud Functions) for rapid, cost-effective deployments
• Implement robust APIs and data pipelines optimized for performance and reliability
• Ensure security, compliance, and data privacy in all backend services
• AI-Powered Solutions
• Integrate AI/ML models into production workflows to enhance automation, personalization, and analytics
• Collaborate with data scientists to operationalize AI models for real-time and batch processing
• Build features that leverage NLP, sentiment analysis, and predictive analytics for stakeholder communication insights
• Vibe Coding Culture
• Write clean, well-structured, and maintainable code that engineers enjoy working with
• Participate in pair programming, peer reviews, and collaborative debugging sessions
• Share best practices and mentor junior engineers to raise the technical bar across the team
• Help maintain a development atmosphere that’s positive, creative, and focused on continuous improvement
• DevOps & Deployment
• Work closely with DevOps teams to optimize serverless deployments, CI/CD pipelines, and automated testing
• Ensure observability, monitoring, and alerting systems are in place for all deployed services
• Contribute to cost optimization strategies for serverless architectures
• Collaboration & Problem-Solving
• Partner with product managers, architects, and designers to translate business requirements into technical solutions
• Participate in sprint planning, backlog refinement, and retrospectives
• Troubleshoot production issues and drive root cause analysis for lasting fixes

What You'll Need

• 3+ years of experience in software development, preferably in SaaS or AI-driven products
• Strong expertise in backend development using Java (Spring Boot), Node.js, or Python
• Experience with serverless architectures (AWS Lambda, Azure Functions, or GCP equivalents)
• Solid understanding of cloud services (AWS, Azure, or GCP) and microservices design patterns
• Hands-on experience integrating AI/ML models into applications
• Familiarity with NLP, speech-to-text, or sentiment analysis APIs is a plus
• Knowledge of relational and NoSQL databases (PostgreSQL, DynamoDB, MongoDB, etc.)
• Experience with CI/CD pipelines, automated testing, and monitoring tools
• Strong problem-solving skills and ability to work in fast-paced, collaborative environments
• Passion for clean, maintainable code and contributing to a healthy team culture

Why Join Joyful?

• Work on AI-powered solutions that transform how businesses connect with their stakeholders
• Be part of a team that embraces serverless-first development and modern cloud-native architectures
• Thrive in a Vibe Coding culture where great engineering meets great energy
• Collaborate with talented peers in a supportive, innovation-driven environment
• Enjoy professional growth opportunities in a fast-scaling company
• Work from our beautiful Goa office while building solutions used worldwide

At Joyful, we believe that combining AI innovation, scalable cloud design, and a joyful coding culture leads to exceptional products. If you’re passionate about building intelligent, high-performance systems while keeping the engineering vibe positive, we’d love to hear from you!

Full Stack Developer Internship – (Remote)

Pay: ₹20,000 - ₹30,000/month | Duration: 3 months

We’re building Pitchline - a voice based conversational sales AI agent, an ambitious AI-powered web app aimed at solving meaningful problems in the B2B space. It’s currently in MVP stage and has strong early demand. I’m looking for a hands-on an Full Stack Developer Intern who can work closely with me to bring this to life.

You’ll be one of the first people to touch the codebase — shaping the foundation and solving problems across AI integration, backend APIs, and a bit of frontend work.

What you'll be doing

• Build and maintain backend APIs (Python)
• Integrate AI models (OpenAI, LangChain, Pinecone/Weaviate etc.) for core workflows
• Design DB schemas and manage basic infra (Postgres)
• Support frontend development (basic UI integration in React or similar)
• Rapidly iterate on product ideas and ship working features
• Collaborate closely with me (Founder) to shape the MVP

What we're looking for

• Curiosity to learn new things. You don’t wait for someone to unblock you and take full ownership and get things done by yourself.
• Strong foundation in backend development
• Experience working with APIs, databases, and deploying backend services
• Curious about or experienced in AI/LLM tools like OpenAI APIs, LangChain, vector databases, etc.
• Comfortable working with version control and basic dev workflows
• Worked on real projects or shipped anything end-to-end (Even if it is a personal project)

Why join us?

You’ll be a core member of the team. What we’re building is one of a kind and being a part of the successful founding team will fast track your personal and professional growth.

You’ll work on a real product with potential, witnessing in real time the impact your hard work brings.

You’ll get ownership and be part of early decisions.

You'll learn how design, tech, and business come together in early-stage product building

Flexible working hours

Opportunity to convert to full-time upon successful conversion.

We’re a fast paced team, working hard to deploy the MVP as soon as possible. If you're excited about AI, startup building, and getting your hands dirty with real development then our company is a great place to grow.

About Us

21 Knots is a design, engineering, and consulting firm providing services to the global maritime and oil & gas industry. In an industry constantly evolving due to dynamic regulations, economic fluctuations, and climate change mandates, we strive to deliver cutting-edge solutions with an unwavering commitment to excellence. Our comprehensive services are designed to create value for our esteemed clients while enabling them to achieve their business goals.

The Role

We’re looking for a skilled and motivated Software Developer to join our team at 21 Knots. Someone with backend development with a working knowledge of frontend technologies. The ideal candidate will have a strong command of backend frameworks such as Django, FastAPI, or Flask, and familiarity with frontend tools like HTML, CSS, JavaScript, and optionally React, Angular, or Vue. You will play a key role in building, maintaining, and optimizing scalable software solutions while collaborating with a team

Responsibilities

• Develop,test, and maintain backend services using Django, FastAPI, or Flask.
• Design and implement RESTful APIs for web and internal tools.
• Work with relational and non-relational databases such as PostgreSQL, MySQL, or MongoDB.
• Optimize application performance and implement backend security best practices.
• Collaborate with frontend developers, designers, and cross-functional teams to deliver high-quality solutions.
• Write clean, maintainable, and well-documented code.
• Support basic frontend development tasks using HTML, CSS, and JavaScript.
• Work with modern frontend frameworks like React.js, Angular, or Vue (good to have).

What You’ll Need

Experience:

• 1–4 years of hands-on experience in backend development.
• Exposure to full-stack development environments.
• Experience working with RESTful APIs, databases, and cloud integration is a plus.

Education:

• Bachelor’s degree in Computer Science, Information Technology, or a related field.

Tools & Software Proficiency:

• Proficiency in Django, FastAPI, or Flask.
• Familiarity with PostgreSQL, MySQL, or MongoDB.
• Basic knowledge of frontend technologies: HTML, CSS, JavaScript.
• Exposure to Bootstrap or Tailwind CSS for responsive UI design.
• Good to have: experience with React, Angular, or Vue.
• Familiarity with cloud platforms (AWS, Azure, or GCP) and Agile/Scrum methodologies is an added advantage.

Skills & Competencies:

• Strong problem-solving and debugging skills.
• Understanding of RESTful architecture and secure coding practices.
• Ability to collaborate in a cross-functional environment.
• Good verbal and written communication skills.

Position Overview: 

We are searching for an experienced Senior MERN Stack Developer to lead our development 

efforts. Your expertise will drive the creation of cutting-edge web applications while 

mentoring junior developers and contributing to technical strategy.

Key Responsibilities:

• Lead and participate in the architecture, design, and development of complex 

applications.

• Mentor and guide junior developers, fostering skill development and growth.

• Collaborate with cross-functional teams to define technical roadmaps and strategies.

• Conduct code reviews and ensure adherence to coding standards and best practices.

• Stay updated with emerging technologies and advocate for their integration.

• Develop and maintain robust and scalable web applications using the MERN stack.

• Collaborate with front-end and back-end developers to define and implement 

innovative solutions.

• Design and implement RESTful APIs for seamless integration between front-end and 

back-end systems.

• Work closely with UI/UX designers to create responsive and visually appealing user 

interfaces.

• Troubleshoot, debug and optimize code to ensure high performance and reliability.

• Implement security and data protection measures in line with industry best practices.

• Stay updated on emerging trends and technologies in web development.

Qualifications & Skills:

• Bachelor’s or Master’s degree in Computer Science or related field.

• Proven experience as a Senior MERN Stack Developer.

• Strong proficiency in React.js, Node.js, Express.js, and MongoDB.

• Strong proficiency in Typescript, JavaScript, HTML, and CSS.

• Familiarity with front-end frameworks like Bootstrap, Material-UI, etc.

• Experience with version control systems, such as Git.

• Knowledge of database design and management, including both SQL and NoSQL 

databases.

• Leadership skills and the ability to guide and inspire a team.

• Excellent problem-solving abilities and a strategic mindset.

• Effective communication and collaboration skills.

• Knowledge of AWS and s3 cloud storage

Location: The position is based in Hyderabad.

Join us in revolutionizing education! If you are a passionate MERN Stack developer with a 

vision for transforming education in line with NEP2020, we would love to hear from you. Apply 

now and be part of an innovative team shaping the future of education.

1. Develop back-end using Node.js, database (MongoDB, Elasticsearch, etc) other latest technologies
2. Take end-to-end ownership of modules
3. Get an opportunity to solve Edu-tech problem statements

1. Bachelor's degree in computer programming, computer science, or a related field.
2. Proven 3+ years of experience working as a Back-end developer.
3. Must have a good understanding of Node.Js, Javascript, and MongoDB.
4. Must have good knowledge of Data Structures and Algorithms.
5. Strong CS fundamentals and problem-solving skills is a must.
6. Excellent analytical and time management skills.
7. Interest in the game industry, since you will be working with people crazy for developing and playing games.

1. Familiarity with discord bot, no-code automation tools like Zapier, http://Automate.io">Automate.io, Airtable and their api’s is a plus.
2. A basic understanding of front-end technologies like React.js, HTML, CSS

• We are a funded start-up, recently closed our seed funding with Kalaari Capital and with a few renowned investors in past like - Village global, FirstCheque, some experience founders such as https://www.linkedin.com/in/anandc/">Anand (FB, Snapdeal), Srini (Founder, TutorVista), https://www.linkedin.com/in/ambareesh-murty-b35803/">Ambareesh (Founder, Pepperfry) and many more!
• We’re tackling a big problem with an even bigger potential to become a launchpad for the entire game industry globally. Participants in our existing cohorts say https://www.youtube.com/playlist?list=PLVOvwIVo57tlYxGB61mSpH22j3IvM3D_p">great things about us!

This role comes with:

✔️ Competitive Salary

✔️ Annual Bonus

✔️ Stock Options

✔️ Unlimited Leaves (oh yes! we don’t track leaves)

• You need to stay active and keep an eye on the regular updates
• Efficient time management is encouraged.
• Take ownership of your work and can work independently on assigned projects/tasks.

Jhandewalan, New Delhi

Job Description:

• working on all layers of architecture Understanding the flow of code and how it interacts with different components.
• Building REST API.
• Creating technical design documents by understanding requirements, and product objectives.
• Writing effective Unit tests
• Good analytical skills and innovative mind.
• Source code management.
• Excellent communication skills.

Desired Skills

• Experience on Mern Stack (MongoDB, Express.js, React, Node.js)
• Strong understanding of JavaScript, object-oriented JS, its quirks, and workarounds•
• Strong hands-on experience in JavaScript• Strong proficiency with JavaScript or CoffeeScript depending on your technology stack.
• Good understanding of server-side CSS preprocessors such as Stylus, Less•
• Basic understanding of web markup, including HTML5 and CSS3• Good understanding of asynchronous request handling, partial page updates, jQuery, and AJAX•
• Proficient understanding of cross-browser compatibility issues and ways to work around such issues• Familiarity with JavaScript module loaders, such as Require.js and AMD•
• Proficient understanding of code versioning tools, such as SVN• Good understanding of browser rendering behavior and performance
• Key Programming Skills: MERN stack, full stack, React, Java, HTML/CSS, JavaScript, Bootstrap.
• Experience working with Rest based APIs

• Mandatory Skills : Java, Springboot, Microservices.
• Basic knowlege of HTML and CSS
• good understanding of REST API designing as well as development using spring.
• Strong Hands on experience in Angular or React JS
• Effective in using frameworks.
• Proficient understanding of code versioning tools Git/bit bucket with Maven.
• hands on expereince in SQL