MEAN Stack Developer

Ontrac Solutions is a leading technology consulting firm specializing in cutting-edge solutions that drive business transformation. We partner with organizations to modernize their infrastructure, streamline processes, and deliver tangible results.

Our client is actively seeking a Conversational AI Engineer with deep hands-on experience in Google Contact Center AI (CCAI) to join a high-impact digital transformation project via a GCP Premier Partner. As part of a staff augmentation model, you will be embedded within the client’s technology or contact center innovation team, delivering scalable virtual agent solutions that improve customer experience, agent productivity, and call deflection.

Key Responsibilities:

• Lead the design and buildout of Dialogflow CX/ES agents across chat and voice channels.
• Integrate virtual agents with client systems and platforms (e.g., Genesys, Twilio, NICE CXone, Salesforce).
• Develop fulfillment logic using Google Cloud Functions, Cloud Run, and backend integrations (via REST APIs and webhooks).
• Collaborate with stakeholders to define intent models, entity schemas, and user flows.
• Implement Agent Assist and CCAI Insights to augment live agent productivity.
• Leverage Google Cloud tools including Pub/Sub, Logging, and BigQuery to support and monitor the solution.
• Support tuning, regression testing, and enhancement of NLP performance using live utterance data.
• Ensure adherence to enterprise security and compliance requirements.

Required Skills & Qualifications:

• 3+ years developing conversational AI experiences, including at least 1–2 years with Google Dialogflow CX or ES.
• Solid experience across GCP services (Functions, Cloud Run, IAM, BigQuery, etc.).
• Strong skills in Python or Node.js for webhook fulfillment and backend logic.
• Knowledge of NLU/NLP modeling, training, and performance tuning.
• Prior experience working in client-facing or embedded roles via consulting or staff augmentation.
• Ability to communicate effectively with technical and business stakeholders.

Nice to Have:

• Hands-on experience with Agent Assist, CCAI Insights, or third-party CCaaS tools (Genesys, Twilio Flex, NICE CXone).
• Familiarity with Vertex AI, AutoML, or other GCP ML services.
• Experience in regulated industries (healthcare, finance, insurance, etc.).
• Google Cloud certification in Cloud Developer or CCAI Engineer.

·        Qualification: bachelor’s or master’s degree in computer science, Engineering, or related field.

·        Proven 4+ years of experience in full stack development, including proficiency with React, Tailwind CSS, Python, and Flask.

·        Strong understanding of Graph QL concepts and hands-on experience with Ariadne or similar frameworks.

·        Familiarity with containerization using Docker for application deployment.

·        Demonstrated expertise in machine learning model integration, preferably using the Hugging Face framework.

·        Experience deploying machine learning models on cloud platforms such as Replicate and AWS is a strong plus.

·        Excellent problem-solving skills and a proactive attitude towards learning and adapting to new technologies.

·        Should have experience in Backend: Python, Flask Framework, Langchain ML Ops Framework, Ariadne Graph QL Framework, Docker. Frontend: React, Tailwind. ML Model Development – Hugging Face Model Training, ML Deployment onto Replicate or AWS

Must-Have:

• Web development frameworks and tools, such as AngularJS, and React JS • Knows frameworks and programming languages such as .NET, C#, JavaScript, and NodeJS. • Must have an idea about hybrid cloud platforms like Azure or AWS • Knowledge about build Tools like Webpack and Grunt • Should know basic design principles and coding practices, such as linters and types • Secure coding practices and protocols such as the Open Web Application Security Project (OWASP) • Basic knowledge of CMS tools and their workings, CMS like Sitecore • Having experience in API and service-based architectures using REST APIs, microservices, and utilizing JSON for web or mobile applications

Good to Have:

• Testing frameworks and tools like Jest, Codecept, Tosca, Jenkins • SQL, PL/SQL, and NoSQL database management. • Knowledge of various web tools and software like Miro, Figma, Visual Studio, VS Code, PyCharm, Jira, Confluence, and DevOps portals • Could have knowledge of payment gateways and their implementations on e-commerce management tools like Hybris • Having knowledge of product life cycle management

•  Developing both frontend and backend of application using technologies like Java,   Angular, JavaScript, HTML5.
•  Designing user interactions on web pages.
•  Designing and Developing back end API's and databases.
•  Meeting both technical and customer’s needs.
•  Seeing through a project from conception to finished product.
•  Take complete ownership of the project and deliver with good quality.
•  Staying abreast of developments in web applications and programming languages.

• Relevant experience of 8+ yrs
• Strong communication, organizational skills. Good in Agile, Scrum, Dev-Ops practices.
• Proficiency with fundamental front end languages such as HTML5, CSS and JavaScript.
• Familiarity with JavaScript frameworks such as Angular, React and Amber.
• Proficiency in Java, Springboot, Microservices
• Familiarity with database technology such as PostgreSQL, MySQL, Oracle and MongoDB.
• Good in writing quality code and Unit Tests. Good knowledge of DevOps practices.
• Excellent verbal communication skills.
• Good problem solving skills

 Responsibilities

• Integration of user-facing elements developed by front-end developers
• Build efficient, testable, and reusable PHP modules
• Solve complex performance problems and architectural challenges
• Integration of data storage solutions.

• Strong knowledge of PHP web frameworks (such as Laravel, Yii, CodeIgniter)
• Understanding the fully synchronous behavior of PHP
• Understanding of MVC design patterns
• Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
• Knowledge of object - oriented PHP programming

Your responsibilities as a Full Stack Developer * Write clean codes with relevant test cases

Roles & Responsibilities-

• Prototype quickly and optimize iteratively
• Integrating front end with server-side logic
• Implement security and data protection measures
• Document the work properly
• Implement feedback received from end-users
• Deployment on cloud
• Understanding of code versioning tools like git

Experience-

• Must have at least 2-3 years of experience in MEAN Stack development i.e MongoDB, Express.js, Angular, and Node.js
• Extensive Experience in API integration and development.
• Working knowledge of HTML5, CSS3, and JavaScript.
• Experience with version control systems and repository management.
• Passionate about writing clean, efficient, and maintainable code.
• Strong analytical and debugging skills and experience building consumer systems at scale.

Required skillset
Applicants must have knowledge and experience in the following:

• Backend frameworks like nodejs, expressjs
• Working with RDBMS
• Familiarity with MongoDB would be beneficial
• HTML, CSS & JavaScript
• Frontend frameworks like Angular, React / Svelte
• A web servers like Nginx
• Familiarity of working with WebSocket’s
• Docker understanding

We are looking for a Full Stack Developer to produce scalable software solutions. You’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment. As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility. Should be familiar with Agile methodologies.

Participating in the design and creation of scalable software Writing clean, functional code on the front- and back-end Testing and fixing bugs or other coding issues Work with development teams and product managers to ideate software solutions Design client-side and server-side architecture Build the front-end of applications through appealing visual design 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 Build features and applications with a mobile responsive design Write technical documentation Work with data scientists and analysts to improve software

Proven experience as a Full Stack Developer or similar role Experience developing desktop and mobile applications Familiarity with common stacks Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery) Knowledge of multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js) Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache) and UI/UX design Excellent communication and teamwork skills Great attention to detail Organizational skills An analytical mind

B.E/B.Tech/MCA/MCS/BCS