JavaScript Developer - Node.js/React.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!

1. Develop and maintain server-side logic and APIs using Node.js.
2. Collaborate with front-end developers to integrate user-facing elements with server-side logic.
3. Design and implement scalable, secure, and maintainable backend solutions.
4. Work with databases such as MongoDB, PostgreSQL, or MySQL.
5. Optimize application performance and troubleshoot production issues.
6. Follow best practices for testing, deployment, and code quality.
7. Stay updated with the latest trends and technologies in backend

Requirements:

• 7+ years in enterprise application development
• Proven track record of delivering complex digital solutions
• Advanced knowledge of React hooks, context API, and component and global state management
• Experience with atomic design, component libraries, and TypeScript
• Proficiency in React performance optimization and modern features
• Strong experience with modern .NET (6+)
• Proven track record applying Clean Architecture & Clean Code & SOLID principles & DDD patterns
• Expertise in building scalable REST APIs and microservices
• Experience with Azure Service Bus, Event Grid, and message-based architectures
• Proficiency in resources like App Insights, Function Apps, Key Vaults, and App Services
• Expertise in cloud development and deployment strategies
• Strong understanding of business needs, ability to meet them by creating cutting-edge solutions
• Brilliant communication abilities, knowing how to explain technical details and processes to a non-tech person
• Fluency in English

Nice to have:

• Test automation (Playwright/Cypress)
• Building CI/CD pipelines in Azure DevOps
• API-first development and OpenAPI specifications
• Experience with agile at scale (SAFe/Spotify)
• Proficiency with AI-powered development tools (GitHub Copilot, Cursor, etc.) to enhance productivity
• Bachelor's or Master's degree in Computer Science or a related field

 Responsibilities:

• Front-end, API, and back-end development, ensuring the successful delivery of digital solutions
• Drive innovation by staying informed about emerging technologies, industry trends, and best practices
• Collaborate with the Product Manager, UX/UI Designers, and Engineering Manager to define agile technical requirements, provide technical estimation, and prioritize backlogs based on business needs and technical feasibility
• Participate in sprint planning, backlog grooming, and release planning meetings to ensure alignment between technical implementation and product roadmap
• Participate in hands-on development activities, including coding, debugging, and troubleshooting, to deliver high-quality applications
• Design, architecture, development of digital applications, ensuring adherence to best practices, coding standards, and architectural principles
• Design scalable architectures for multi-region deployment
• Implement test automation strategies and frameworks to automate testing processes and ensure the quality and reliability of applications
• Automate test cases and integrate testing into the CI/CD pipeline
• Conduct code reviews to ensure adherence to coding standards, best practices, and architectural guidelines
• Define and implement code best practices, development standards, and documentation processes to maintain code quality and readability
• Integrate digital applications with existing digital assets, backend systems, and third-party APIs, ensuring seamless data exchange and interoperability
• Collaborate with integration teams to design and implement integration solutions that meet business requirements and architectural standards
• Communicate technical concepts and solutions to non-technical stakeholders in a clear and understandable manner

Primary Skills

• Java EE (Servlets, JSTL, JSP, JDBC)

• Frontend frameworks (ReactJS)

• Pure JavaScript, jQuery

• Bootstrap, HTML5, CSS, SASS

• Microsoft SQL Server (writing queries, stored procedures, triggers etc.)

Are you a champion in your domain, driven by a passion for development, eager to kickstart your career in Full Stack Engineer, and hungry for a new and exciting challenge? Look no further! At Argon-Quber, we are on a mission to revolutionize the tech industry, and we are seeking exceptional Full Stack Engineer Inters like you to join our elite team.

We pride ourselves on being a hub of innovation, where cutting-edge technologies and groundbreaking ideas converge. As a Full Stack Engineer Intern, you will be at the forefront of this revolution, pushing the boundaries of what is possible and shaping the future of software development.

Job Description:

We are seeking a highly skilled and motivated Full Stack Engineer Intern with 0-1 years of experience to join our dynamic team. As a Full Stack Engineer Intern, you will be responsible for learning, developing and maintaining both front-end and back-end applications. You will collaborate with cross-functional teams to design, develop, and implement cutting-edge solutions.

What You Will Do:

• Collaborate with stakeholders and end-users to gather feedback and iterate on product features to ensure an exceptional user experience.
• Design, develop, and deploy scalable and secure full stack applications.
• Collaborate with UI/UX designers and product managers to translate wireframes and prototypes into functional web applications.
• Develop and maintain server-side logic using modern programming languages and frameworks.
• Build efficient and reusable front-end components and libraries.
• Implement responsive and mobile-friendly user interfaces.
• Integrate third-party APIs and services to enhance application functionality.
• Ensure high-performance and availability of applications through code optimization and thorough testing.
• Debug and resolve technical issues reported by clients or stakeholders.
• Stay up-to-date with emerging technologies, industry trends, and best practices in web development.
• Participate in code reviews and provide constructive feedback to peers.
• Collaborate with a diverse team of developers, designers, and product managers to create innovative and user-friendly web applications.
• Participate in the entire software development lifecycle, from requirements gathering and design to development, testing, and deployment.
• Contribute to the architecture and technical decisions of our projects, leveraging your expertise to drive technical excellence.
• Continuously improve your skills and stay updated on the latest technologies, frameworks, and best practices in full stack development.
• Embrace agile methodologies and actively participate in sprint planning, stand-ups, and retrospectives to ensure successful project delivery.
• Take ownership of your work and deliver high-quality code that is scalable, efficient, and maintainable.
• Be a problem solver and find creative solutions to overcome challenges encountered during the development process.

What we're looking for:

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• 0-1 years of professional experience as a Full Stack Developer.
• Proficiency in front-end development technologies such as HTML, CSS, JavaScript (ES6+), and modern front-end frameworks like React, Angular, or Vue.js.
• Strong understanding of server-side languages like Node.js, Python, or Ruby, and related frameworks such as Express, Django, or Ruby on Rails.
• Experience with relational databases (e.g., MySQL, PostgreSQL) and NoSQL databases (e.g., MongoDB, Redis).
• Familiarity with version control systems (e.g., Git) and Agile development methodologies.
• Knowledge of cloud platforms such as AWS, Azure, or Google Cloud.
• Solid understanding of RESTful APIs and the ability to integrate them into applications.
• Experience with testing frameworks (e.g., Jest, Jasmine, PyTest) and writing unit tests.
• Strong problem-solving and analytical skills.
• Excellent communication and collaboration skills to work effectively in a team environment.
• Ability to handle multiple projects and prioritize tasks effectively.
• Preferred candidate is to be in Bangalore location.
• Experience with containerization technologies (e.g., Docker, Kubernetes).
• Knowledge of serverless architecture and deployment (e.g., AWS Lambda, Azure Functions).
• Familiarity with DevOps practices and CI/CD pipelines.
• Understanding of GraphQL and related frameworks (e.g., Apollo).
• Knowledge of TypeScript for both front-end and back-end development.

Duration:

This is a paid internship position for a duration of 6 months. The starting date will be determined based on the availability of the selected candidate.

Here's why Argon-Quber is the ultimate destination for top-tier Engineers:

• Innovation is Our DNA: At Argon-Quber, we thrive on innovation and embrace disruptive technologies. Join our team and be a part of our relentless pursuit of groundbreaking solutions that redefine industry standards.
• Empowerment and Autonomy: We believe in empowering our developers to take ownership of their work. At Argon-Quber, you will have the autonomy to make strategic decisions, influence the architectural direction, and unleash your full potential.
• World-Class Team: Join forces with a team of brilliant minds, industry experts, and thought leaders who share a common goal: to create exceptional software solutions. Collaborate, learn from each other, and be inspired by the collective brilliance that surrounds you.
• Unparalleled Growth Opportunities: We are committed to your professional growth. Whether you aspire to become a technical guru, a team lead, or even venture into management, Argon-Quber provides you with the resources, mentorship, and support needed to climb the career ladder.
• Impact at Scale: Your work at Argon-Quber will reach millions of users, transforming industries and improving lives. You will have the opportunity to create solutions that leave a lasting impact, disrupt markets, and shape the digital landscape.
• Culture of Excellence: At Argon-Quber, we foster a culture of excellence where only the best is accepted. We celebrate achievements, recognize exceptional talent, and create an environment where your brilliance is acknowledged and rewarded.
• Work Hard, Party Harder: We believe that a healthy work-life balance leads to increased creativity and productivity. Enjoy a flexible work environment, social events, team outings, and a supportive atmosphere that values your well-being.

Location:

This position is based in Bangalore, India. Please only apply if you are currently residing in or willing to relocate to Bangalore.

If you are ready to unleash your true potential, work on game-changing projects, and be a part of Argon-Quber, an organization that will empower you to achieve greatness, then look no further.

• Join us in shaping the future of technology and revolutionizing the way the world experiences software. Apply now and embark on an extraordinary journey at Argon-Quber where your skills will be honed, your creativity will thrive, and your impact will be unmatched. Let's build the future together!

Key Skills:

            Programming Languages: C#, VB.NET

            Server-Side Technologies: ASP.NET

            Front-End Technologies: Html5, ES5/ES6/ JavaScript, CSS, jQuery, Bootstrap, Ajax, Web

             Sockets

            Database: SQL Server

            Knowledge on below concepts/technologies is an added advantage

            - Cloud Platforms: Azure / Google

            - NodeJS, Mongo DB

            - Redis, RabitMQ, MQTT, Kafka

            - Concept of Continuous Integration / Continuous Deployment

Key Deliverables: Writing codes as per the requirement.