Full Stack 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

We are looking for aSenior Full Stack Developerwith strong expertise inJavaScript/TypeScriptand hands-on experience acrossmodern frontend and backend technologies. The ideal candidate should be comfortable building scalable, high-performance web applications and collaborating closely with product, design, and engineering teams.

Key Responsibilities

• Design, develop, and maintainscalable full-stack web applications.
• Build responsive and performantfrontend applications using React.js.
• Develop and maintainbackend services using Node.js and Express.js.
• Design and optimizeSQL and NoSQL databasesto ensure data integrity and performance.
• Build, consume, and documentRESTful APIs(GraphQL exposure is a plus).
• Write clean, maintainable, and testable code following best practices.
• Participate incode reviews, branching strategies, and release processes.
• Collaborate with cross-functional teams to translate requirements into technical solutions.
• Ensure application performance, security, and scalability.
• Contribute to CI/CD pipelines and deployment processes.

Required Technical Skills

• Strong experience withJavaScript and TypeScript.
• Expertise inReact.js, includingHooks, Context API, and state management (Redux / Zustand preferred).
• Solid backend development experience withNode.js and Express.js.
• Hands-on experience with either:
• PostgreSQL(PERN stack)
• MongoDB(MERN stack)
• Strong understanding ofSQL and NoSQL database design principles.
• Experience in building and consumingREST APIs.
• Basic knowledge ofGraphQLis a plus.
• Familiarity withORMs/ODMssuch asSequelize, Prisma, or Mongoose.
• Proficiency withGit, branching strategies, and code review practices.
• Understanding ofDocker,CI/CD pipelines, and cloud platforms (AWS).

Nice to Have

• Experience working withNext.js.
• Exposure tomicroservices architecture.
• Knowledge ofmessage queuessuch asKafka or RabbitMQ.
• Experience building or maintaininghigh-scale or multi-tenant systems.

Soft Skills

• Strong problem-solving and analytical skills.
• Good communication and collaboration abilities.
• Ability to take ownership and work independently.
• Adaptable and eager to learn new technologies.

Role Description

This is a full-time, remote role for a Frappe and ERPNext Developer. The Developer will be responsible for designing, developing, and maintaining Frappe and ERPNext applications. Daily tasks include customizing modules, integrating third-party systems, troubleshooting and resolving software issues, and working closely with cross-functional teams to enhance system efficiency and user experience.

Qualifications

1. Proficiency in Frappe and ERPNext development
2. Experience with Python, JavaScript, and web technologies
3. Understanding of ERP workflows and business processes
4. Skills in database management (MySQL, PostgreSQL)
5. Strong problem-solving and troubleshooting abilities
6. Ability to work independently and remotely
7. Excellent communication and teamwork skills
8. Bachelor's degree in Computer Science, Information Technology, or related field
9. Experience in the healthcare industry is a plus
10. Have experience in customised the frappe crm

·        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

The company has been widely recognized as an industry innovator in the Data Privacy, Security space and is being built by proven Cybersecurity executives who have successfully built and scaled high growth Security companies and built Privacy programs as executives.

We are seeking an experienced Senior React Developer with Node Engineer to join our team. The ideal candidate should have at least 7+ years of experience in building scalable web applications using NodeJS and a solid understanding of AWS services. The candidate should also have experience in designing and building large-scale distributed systems.

Responsibilities:

• Design and develop high-quality, scalable, and performant software solutions using NodeJS and AWS services.
• Collaborate with cross-functional teams, including product managers, designers, and other engineers, to identify and solve complex business problems.
• Design and develop large-scale distributed systems that are reliable, resilient, and fault-tolerant.
• Write clean, well-designed, and maintainable code that is easy to understand and debug.
• Participate in code reviews and ensure that all code is of high quality and adheres to best practices.
• Troubleshoot and debug production issues and work with the team to develop and implement solutions.
• Stay up-to-date with new technologies and best practices in software engineering and cloud computing.

Requirements:

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
• At least 5 years of professional experience in building web-based applications using ReactJS and NodeJS.
• Strong experience with React frameworks, including Ant Design.
• Strong understanding of JavaScript, and experience with libraries such as Redux.
• Experience with HTML and CSS, and the ability to create responsive web applications.
• Experience with server-side frameworks such as Express and NestJS.
• Strong understanding of software engineering best practices, including agile development, TDD, and continuous integration and deployment.
• Excellent problem-solving and analytical skills, with the ability to identify and solve complex technical problems.
• Strong communication and collaboration skills, with the ability to work effectively in a team environment.

Leaders at The Seenit Co. are passionate about using technology to create an impact on the world they live in. At Seenit, you will get to collaborate with an accomplished team that loves solving real-world problems. You will get to work on cutting edge projects that will shape the next phase of growth for the global luxury industry.

Seenit’s suite of products (http://www.styleade.com/" target="_blank">www.styleade.com) enables the leading luxury retailers around the world to transform their customer experience and build loyal relationships with their customers. The apps allow retailers to make use of their existing infrastructure and resources to deliver a truly omnichannel experience in today's rapidly changing world of shopping. The product has added 50 million USD to the top-line of one of the largest luxury retailers in the world. Store Associates and Stylists have assisted upwards of 100,000 consumers till date.

We would welcome someone to the team who wishes to:

• take ownership of the quality of code powering the product
• take an active role in the definition and evolution of best industry practices and procedures
• design, develop and test the core product software and databases to ensure strong optimization and functionality
• contribute in all phases of the development lifecycle
• support others to succeed and shine in a supportive team culture

• 4+ years experience in building consumer products
• experience of leading a team of 3 or more full stack developers
• experience in working with AGILE methodology
• experience deploying softwares to cloud providers such as GCP, AWS
• good knowledge of databases and query optimisations
• experience with MongoDB, Express JS, React JS, Node JS, TypeScript
• experience with caching implementation using Redis
• experience with Elastic Search will be an added advantage

• Have the ability to translate UI/UX design wireframes to scalable code.
• Experience in developing pixel perfect frontend software, with deep experience in React.js
• Design, develop and maintain our user-facing products.
• Creating Restful APIs with Node.js
• Creating Decoupling architecture and microservices.
• Creating database schemas for products.
• Understanding of session management in a distributed server environment.
• Optimization of the application for maximum speed and scalability.
• Write well architectured code while adhering to best practices.
• Thoroughly understand the requirements and deliver features on time.

• 1-5 years of experience with React (redux, hooks).
• 1-5 years experience with JavaScript (ES6+, modern browser APIs, async/await) or Typescript.
• 1-5 years experience with HTML/CSS & responsive websites.
• 1-5 years experience with NodeJS & MongoDB (NoSQL).

• Join an early team of founders - be a part of the founding team.
• Get first-hand startup experience and grab the opportunity to grow with us as we grow.
• Full remote work.
• Attractive base salary.

• Bachelor’s degree in Computer Science, Software Engineering, or a related discipline
• 4+ years experience working in an IT environment
• 4+ years of Object-oriented design, functional programming
• Node JS API Development (Firebase API development is a plus)
• Angular or VUE or React JS Front end Development (VUE Js Experience is a plus)
• HTML / CSS responsive development
• Experience using any database
• Experience developing in an Agile / SCRUM Environment
• Experience developing mission-critical applications
• Strong business and technical acumen
• Excellent verbal and written communication skills

1. To handle the full development cycle.

2. To be responsible for timely releases of the projects.

3. To have knowledge of server AWS.

4. Knowledge of W3C standards and best practices.

5. Experience in working on Linux (Installing and configuring packages like apache, Nginx, virtual hosts, etc)

6. Ability to translate business requirements into system design and perform as per the needs

7. Knowledge of Git.