Web Development Fullstack Developer

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!

About POSHN

POSHN is a dynamic India-based ag-fintech venture founded in 2020 and supported by leading marquee financial institutions. We are on a mission to organize and digitally transform the global agri-supply chain market. By applying first principles thinking, we are re-imagining solutions with a tech-product-first mindset. The agri-supply chain space is gigantic, complex, and has been largely unorganized. At POSHN, we are taking the hassle out of it by creating a platform that empowers our products and facilitates a better, efficient, and seamless experience between stakeholders.

About the Team

Our core team consists of alumni from BITS Pilani, IIM, and XLRI, each with a decade-long experience in supply chain, technology, and product development. Previously, we have built several highly impactful tech-product startups from the ground up.

About the Role: Full Stack Engineer

We are looking for a talented and motivated Full Stack Developer with 2-4 years of experience to join our team. In this role, you will work closely with our team to define the product roadmap and take ownership of the web development stack. You will have the flexibility to innovate and implement new solutions that enhance our platform, working alongside UX, data engineering, and other key stakeholders.

Key Responsibilities

• Full Stack Development: Design, build, and configure applications to meet business processes and application requirements. You will work across the frontend and backend, ensuring seamless integration and functionality.

• Frontend Engineering: Convert designs into smooth, user-friendly interfaces. Analyze UI/UX designs and suggest the best approaches for implementation.

• Backend Engineering: Build scalable backend systems using microservices architecture. Optimize database models, queries, and ensure high availability and performance.

• Requirements Gathering: Capture and clearly articulate technical requirements by working closely with stakeholders and end customers. Prioritize tasks to meet business objectives.

• Code Quality: Write testable, scalable, and efficient code. Lead code reviews and ensure that software quality standards are met.

• Solution Implementation: Take ownership of assigned products, ensuring timely and efficient delivery. Carry out solution testing, including root-cause analysis, and suggest logical alternatives when needed.

Career Experience

• Experience: 2-4 years of experience in full stack development, including significant contributions to at least three web development projects.

• Technical Expertise: Proficient in frontend frameworks (VueJS, ReactJS, or AngularJS) and backend technologies (NodeJS, Go, or Python).

• Microservices Architecture: Experience building scalable backend microservices architecture.

• Database Management: Expertise in SQL, NoSQL, and database optimization.

• Agile Methodologies: Familiar with agile development practices, including coding standards, documentation, unit testing, and version control using Git.

Bonus Points/Nice to Have

• E-commerce/Supply Chain Experience: Any experience or knowledge in the e-commerce or supply chain industry.

About You

• Creative and Innovative: You enjoy designing and building complex software systems and are not afraid to experiment and try new approaches.

• Ownership: You take responsibility for your work and are committed to delivering high-quality solutions.

• Continuous Learner: You are curious and eager to stay updated with the latest technologies and industry trends.

• Analytical Mind: You have a keen eye for detail and are capable of turning ideas into working applications that deliver real value to customers.

Benefits

• Competitive Salary and ESOPs: Rewarding you for your best work.

• Generous Leave: We believe in work-life balance.

• Exciting Startup Environment: Be a key member of a startup transforming the agri-supply chain industry.

• Collaborative Culture: Work in an open, fun, and supportive environment.

• Training & Development: Grow in the areas that interest you most.

How to Apply

If you are interested for this role, kindly apply on the same. This JD merges the best elements from both descriptions, tailored for a Full Stack Developer role with 2-4 years of experience. Let me know if you need any further adjustments!

Job Description:

At Helios Tech Labs we are looking for a Full Stack Developer with <2 - 5 yr Exp> to build and maintain functional websites and applications with highly skilled computer programmer who is comfortable with both front and back end programming.

To be successful in this role, you should have extensive experience building web-apps from scratch and in-depth knowledge of at least one of the following programming languages:

• JavaScript
• Java
• HTML
• CSS
• React
• Angular
• Objective C
• Scala
• Python
• C#
• C++
• PHP
• Perl
• Node JS
• Ruby (RoR)
  
  

Responsibilities:

• Identify user and system requirements for new websites and applications
• Designing user interactions on web pages.
• Developing back-end website applications.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Seeing through a project from conception to finished product.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.
• Prioritize software development projects, set timelines, and assign tasks to team members.
• Write or review code for various applications.
• Run functionality testings and debug code.
• Oversee junior web developers and evaluate their performance.
• Liaise with designers to decide on UI/UX elements (like graphics and navigation buttons).

Roles and Responsibilities

Build websites using WordPress

Write coding using HTML and CSS

Design new features for existing websites.

Customize themes to meet existing website requirements

Web Technologies/scripts: AJAX, HTML HTML 5, XHTML, CSS 3, JavaScript, Json-LD, DHTML,

XML/Web Services, XSLT, Soap, NUSOAP, CSS Webkit

Webservers: Apache, IIS, WAMP, XAMMP

Editors: Macromedia Dreamweaver, Notepad++, Text pad.

Versioning Tools: SVN, CVS, VSS, TortoiseCVS.

Operating Systems: Linux, Windows 7, Windows Vista, WINDOWS XP.

CMS: Joomla, Mambo, Drupal, Wordpress

Web Editors: FCK, TinyMCE

Administrative Tools: PhpMyAdmin, Navicat, SQLYOG, Toad

Framework: MVC, CodeIgniter, Zend, CakePHP

Languages PHP4/5

Databases: MySQL4/5, SQL SERVER, Oracle