MEAN Stack Developer - Javascript/Node.js

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!

Job Responsibilities:

• Develop features across multiple sub-modules within our applications, including collaboration in requirements definition, prototyping, design, coding, testing, debugging, effort estimation, and continuous quality improvement of the design & code and deployment.
• Design and implement new features, provide fixes/workarounds to bugs, and innovate in alternate solutions.
• Provide quick solutions to problems and take a feature/component through the entire life cycle, improving space–time performance and usability/reliability.
• Design, implement, and adhere to the overall architecture to fulfill the functional requirements through software components.
• Take accountability for the successful delivery of functionality or modules contributing to the overall product objective.
• Create consistent design specifications using flowcharts, class diagrams, Entity Relationship Diagrams (ERDs), and other visual techniques to convey the development approach to the lead developer and other stakeholders.
• Conduct source code walkthroughs, refactoring, and ensure adherence to documentation standards.
• Support troubleshooting efforts in production systems and fulfill support requests from developers.

Experience and Skills:

• Bachelor’s degree in Computer Science or similar technical discipline required; Master’s degree preferred.
• Strong experience as a software engineer with demonstrated success developing a variety of software systems and increasing responsibility in analysis, design, implementation, and deployment tasks with a reputed software product company.
• Hands-on experience in product development using Java 8, J2EE, Spring Boot, Spring MVC, JSF, REST API, JSON, SQL Server, PostgreSQL, Oracle, Redis Cache, Amber, JavaScript/jQuery.
• Good to have experience in Handlebars.js, Flyway, PrimeFaces.
• Experience developing data-driven applications utilizing major relational database engines (SQL Server, Oracle, DB2) including writing complex queries, stored procedures, and performing query optimization.
• Experience building web-based software systems with N-tier architectures, dynamic content, scalable solutions, and complex security implementations.
• Strong understanding of Design Patterns, system architecture, and configurations for enterprise web applications.
• Exposure to development environments such as Eclipse, GitHub/Bitbucket.
• Comfortable with source code management concepts (version control).
• Self-motivated, energetic, fast learner with excellent communication skills (interaction with remote teams required).
• Experience with Agile software development is a plus.

Travel: Based on business needs.

Location: Gurgaon

We are seeking a Full Stack Developer with exceptional communication skills to collaborate daily with our international clients in the US and Australia. This role requires not only technical expertise but also the ability to clearly articulate ideas, gather requirements, and maintain strong client relationships. Communication is the top priority.

The ideal candidate is passionate about technology, eager to learn and adapt to new stacks, and capable of delivering scalable, high-quality solutions across the stack.

Key Responsibilities

• Client Communication: Act as a daily point of contact for clients (US & Australia), ensuring smooth collaboration and requirement gathering.
• Backend Development:
• Design and implement REST APIs and GraphQL endpoints.
• Integrate secure authentication methods including OAuth, Passwordless, and Signature-based authentication.
• Build scalable backend services with Node.js and serverless frameworks.
• Frontend Development:
• Develop responsive, mobile-friendly UIs using React and Tailwind CSS.
• Ensure cross-browser and cross-device compatibility.
• Database Management:
• Work with RDBMS, NoSQL, MongoDB, and DynamoDB.
• Cloud & DevOps:
• Deploy applications on AWS / GCP / Azure (knowledge of at least one required).
• Work with CI/CD pipelines, monitoring, and deployment automation.
• Quality Assurance:
• Write and maintain unit tests to ensure high code quality.
• Participate in code reviews and follow best practices.
• Continuous Learning:
• Stay updated on the latest technologies and bring innovative solutions to the team.

Must-Have Skills

• Excellent communication skills (verbal & written) for daily client interaction.
• 2+ years of experience in full-stack development.
• Proficiency in Node.js and React.
• Strong knowledge of REST API and GraphQL development.
• Experience with OAuth, Passwordless, and Signature-based authentication methods.
• Database expertise with RDBMS, NoSQL, MongoDB, DynamoDB.
• Experience with Serverless Framework.
• Strong frontend skills: React, Tailwind CSS, responsive design.

Nice-to-Have Skills

• Familiarity with Python for backend or scripting.
• Cloud experience with AWS, GCP, or Azure.
• Knowledge of DevOps practices and CI/CD pipelines.
• Experience with unit testing frameworks and TDD.

Who You Are

• A confident communicator who can manage client conversations independently.
• Passionate about learning and experimenting with new technologies.
• Detail-oriented and committed to delivering high-quality software.
• A collaborative team player who thrives in dynamic environments.

- 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/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.

Key Responsibilities:

• Frontend Development: Build responsive, modern, and engaging user interfaces using React.js, ensuring a seamless user experience across all devices.
• Backend Development: Design and implement RESTful APIs, manage databases, and handle business logic using Node.js and Express.js.
• Database Management: Build and manage MongoDB databases, including schema design, data modeling, and query optimization.
• Cross-functional Collaboration: Work closely with UX/UI designers, product managers, and other developers to deliver high-quality, performant web portals.
• Performance Optimization: Implement best practices for performance tuning, scalability, and reliability across both frontend and backend.
• Code Quality: Write clean, maintainable, and efficient code, adhering to best practices, and conduct code reviews for your peers.
• Testing and Debugging: Write unit and integration tests, and debug issues to ensure stability, security, and quality in production.

Qualifications:

• Proven experience (3+ years) in full-stack web development using the MERN stack (MongoDB, Express.js, React.js, Node.js).
• Strong understanding of HTML5, CSS3, and JavaScript (ES6+), along with modern JavaScript frameworks and libraries.
• Experience with state management in React (e.g., Redux, Context API).
• Solid understanding of RESTful API design, asynchronous programming, and Node.js server-side development.
• Hands-on experience with MongoDB and integrating databases with Node.js.
• Familiarity with modern development tools and workflows such as Git, CI/CD pipelines, and containerization (Docker).
• Strong problem-solving abilities and an eye for detail.
• Ability to work in an agile development environment, with a focus on continuous delivery and iterative improvement.
• Excellent communication skills and the ability to collaborate effectively with cross-functional teams.

Preferred Qualifications:

• Familiarity with additional frontend technologies such as TypeScript, GraphQL, or Next.js.
• Experience with cloud platforms (AWS, Azure, GCP) and serverless architectures.
• Knowledge of performance optimization techniques and scalability best practices.
• Understanding of DevOps processes, containerization, and microservices architecture.

Why Join Us?

• Innovative Projects: Work on cutting-edge, high-impact projects that challenge your technical skills and creativity.
• Collaborative Culture: Join a team of talented professionals who are passionate about technology, learning, and continuous improvement.
• Career Growth: We offer opportunities for mentorship, skill development, and career advancement.
• Flexible Work Environment: Enjoy a healthy work-life balance with options for remote work, flexible hours, and more.

• understanding of the front-end and back-end processes;
• ability to work with HTML / CSS;
• ability to work with databases;
• understanding of programming templates and architecture design guidelines;
• profiling and optimizing applications.

About https://validateme.online/">ValidateMe Online:

The ValidateMe Online platform enables the users to securely store and share their employment, educational and personal documents. ValidateMe uses blockchain technology to maintain the privacy of the documents and ensures that only the owners have the authority to view or share the documents. It acts as a common platform for users and organizations, educational institutes and universities to complete the background process seamlessly and quickly.

What You Will Do

• Lead the delivery of high quality, innovative, flexible, and scalable technical solutions that meet business requirements
• Perform hands-on development and provide thoughtful code reviews
• Mentor and lead development team members to continuously improve quality and productivity to achieve business results
• Design, develop, test and support applications and services using React, NodeJS, mongoDB, blockchain and others.
• Engage in requirements analysis and product engineering discussions, leading to delivery of high-quality user stories and acceptance criteria.
• Conduct Proof of Concepts for testing business ideas.
• Recommend ways to improve reliability, maintenance, efficiency, and quality.
• Follow SCRUM Agile Development methodology
  
  

What You Will Need

• 6+ years of relevant experience
• Advanced knowledge of software development methodology, techniques & standards.
• Strong understanding of software design concepts, patterns, tools and best practices.
• Must have full stack experience using NodeJS, React and NoSQL Databases.
• Must have worked on at least one cloud platform.
• Should have built and used a REST API.
• Experience with mongoDB is a plus.
• Experience with blockchain technology is a plus.
• Background building container using docker and deploying using Kubernetes is a plus.
  
  

Who You Are?

• One with excellent communication and prioritization skills.
• Owns success – Takes responsibility for the successful delivery of the solutions.
• Strong desire to improve upon one’s skills in software development, frameworks and technologies

What We Offer

• Limitless growth and learning opportunities.
• A collaborative and positive culture — Your team will be as smart and driven as you.
• Outstanding compensation, including attractive Employee Stock Options.
• A chance to make an impact — Your work will contribute directly to our strategy.