Fullstack Developer

We’re building a powerful, AI-driven communication platform — a next-generation alternative to RingCentral or 8x8 — powered by OpenAI, LangChain, and SIP/WebRTC. We're looking for a Full-Stack Software Developer who’s passionate about building real-time, AI-enabled voice infrastructure and who’s excited to work in a fast-moving, founder-led environment.

This is an opportunity to build from scratch, take ownership of core systems, and innovate on the edge of VoIP + AI.

What You’ll Do

• Design and build AI-driven voice and messaging features (e.g. smart IVRs, call transcription, virtual agents)
• Develop backend services using Python, Node.js, or Golang
• Integrate OpenAI, Whisper, and LangChain with real-time VoIP systems like Twilio, SIP, or WebRTC
• Create scalable APIs, handle call logic, and build AI pipelines
• Collaborate with the founder and early team on product strategy and infrastructure
• Participate in occasional in-person strategy meetings (Delhi, Bangalore, or nearby)

Must-Have Skills

• Strong programming experience in Python, Node.js, or Go
• Hands-on experience with VoIP/SIP, WebRTC, or tools like Twilio, Asterisk, Plivo
• Experience integrating with LLM APIs, OpenAI, or speech-to-text models
• Solid understanding of backend design, Docker, Redis, PostgreSQL
• Ability to work independently and deliver production-grade code

Nice to Have

• Familiarity with LangChain or agent-based AI systems
• Knowledge of call routing logic, STUN/TURN, or media servers (e.g. FreeSWITCH)
• Interest in building scalable cloud-first SaaS products

Work Setup

• 🏠 Remote work (India-based, must be reachable for meetings)
• 🕐 Full-time role
• 💼 Direct collaboration with founder (technical)
• 🧘‍♂️ Flexible hours, strong ownership culture

Job Description:

Are you a fun loving and passionate to be a part of Global Innovator team? Are you planning to grow your career, which enhance your skills in technology? A career at SmartDocs can open many doors for you in the world of technology. If you are looking for a company that is dedicated to your ideas, recognizes you for your unique competency & contributions and provides a fun, flexible and delightful work atmosphere.

Then, we are the right place to ignite your passion. We are totally committed about our employees, our Clients & Customers, our work culture and especially our technology. We are an organization who encourages new ideas of employees through collaboration and creativity.

We are seeking for a dedicated individual to join SmartDocs Business Solutions. The candidate will work with the product development team and must be a subject matter expert in-order to deliver the best practices; an ideal candidate must possess excellent business skills with outstanding communication, professionalism & leadership and must have minimum 3 - 6 years of experience in JAVA as a full stack developer.

Desirable Skills & Expertise:

v  Minimum 3 – 6 years of experience as a full stack developer (Preferable from product based entity).  At least a year of experience in managing a team is mandatory.

v  Master’s or bachelor’s degree in Engineering (CSE / IT / MCA / Software) are preferred.

v  Work exp. in Java, Frame-works like : Spring, Spring boot; J2EE technologies like Servlets, JSP and Web Application Server is mandatory.

v  Strong skills in HTML, Java Script, XML, CSS and Mango DB.

v  Product development in Linux environment is an added advantage.

v  Possesses intellectual humility; smart, driven, creative and able to learn things from slipups, willing to raise others up.

v  Excellent Communication & Analytical skills with integrated professionalism at all levels.

Key Responsibilities:

Ø  The role is responsible for designing, coding and deploying of high-performance applications.

Ø  Deep expertise and hands on experience as a Core JAVA Developer.

Ø  Team Management, Excellent interpersonal, Communication and effective organizational skills and solid technical skills.

Ø  Should be able to communicate effectively with both technical and non-technical personnel.

Ø  Excellent trouble shootings & problem-solving skills.

Ø  Experience with SDLC from requirement analysis through testing and deployment.

Ø  Must be an expert in technologies like J2EE, JSP, Servlets, Web Application, HTML, Java Script, XML, CSS, Mango DB and JAVA frameworks – Spring boot.

Ø  Develop and maintain strong product knowledge.

Ø  Guide the clients through various stages of the project and transition to support organization.

Ø  Review existing business processes and participate in the Process Improvement Program.

                        SmartDocs, provides equal employment opportunity to all its employees and all qualified applicants for employment without regard to their race, caste, religion, color, ancestry, marital status, gender, sexual orientation, age, nationality, ethnic origin or disability. Our resource policies shall promote diversity and equality in the workplace while encouraging the adoption of international best practices.

We are looking for a highly skilled computer programmer who is comfortable with both front and back end programming. Full stack developers are responsible for developing and designing front end web architecture, ensuring the responsiveness of applications, and working alongside graphic designers for web design features, among other duties.

Full stack developers will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail.

• Developing front end website architecture.
• 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.
• Working alongside graphic designers for web design features.
• Seeing through a project from conception to finished product.
• Designing and developing APIs.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

• Degree in computer science.
• Strong organizational and project management skills.
• Proficiency with fundamental front-end languages such as HTML, CSS, and JavaScript.
• Familiarity with JavaScript frameworks such as Angular JS, React, Node js and Amber.
• Proficiency with server-side languages such as Python, Ruby, Java, PHP, and .Net.
• Familiarity with database technology such as MySQL, PostgreSQL, Express, Oracle, and MongoDB.
• Excellent verbal communication skills.
• Good problem-solving skills.
• Attention to detail.

• Should have strong knowledge and hands-on experience in JDK 1.8+ 
•  Should have worked in Struts, Ajax, Spring MVC, Spring Boot and Angular 
• Should have strong expertise in SOA and Microservices • Experience in Insurance domain would be an added advantage
• The responsibilities of Java technical leads include working with developers to ensure quality network frameworks, mentoring junior level staff, and identifying issues that affect product delivery.
• Experience of Software Engineering Process and in Design J2EE Design Patterns.
• Code Review and Best practices, Unit Testing
• Team mentoring

• MUST HAVES:
1. Top  Mandatory Skills: 6+ Years in: JAVA / J2EE, Spring MVC ,Springboot, Microservices
2. Domain Experience:- BFSI (Minimum 2 yrs latest)
3. Joining time / Notice Period: Immediately

Expi with Node.js, Express, Feather JS
3rd party API integration knowledge
Database- MySql or NoSql

Kafka Client Integration with Nodejs

Redis integration using Nodejs