Fullstack Javascript Developer

Job Title: Full Stack Engineer (Real-Time Audio Systems) – Voice AI

Location: Remote

Experience: 4+ Years

Employment Type: Full-time

About the Role

We’re looking for an experienced engineer to lead the development of a real-time Voice AI platform. This role blends deep expertise in conversational AI, audio infrastructure, and full-stack systems, making you a key contributor to building natural, low-latency voice-driven agents for complex healthcare workflows and beyond.

You’ll work directly with the founding team to build and deploy production-grade voice AI systems.

If you love working with WebRTC, WebSockets, and streaming pipelines, this is the place to build something impactful.

Key Responsibilities

• Build and optimize voice-driven AI systems integrating ASR (speech recognition), TTS (speech synthesis), and LLM inference with WebRTC and WebSocket infrastructure.
• Orchestrate multi-turn conversations using frameworks like Pipecat with memory and context management.
• Develop scalable backends and APIs to support streaming audio pipelines, stateful agents, and secure healthcare workflows.
• Implement real-time communication features with low-latency audio streaming pipelines.
• Collaborate closely with research, engineering, and product teams to ship experiments and deploy into production rapidly.
• Monitor, optimize, and maintain deployed voice agents for high reliability, safety, and performance.
• Translate experimental AI audio models into production-ready services.

Requirements

• 4+ years of software engineering experience with a focus on real-time systems, streaming, or conversational AI.
• Proven experience building and deploying voice AI, audio/video, or low-latency communication systems.
• Strong proficiency in Python (FastAPI, async frameworks, LangChain or similar).
• Working knowledge of modern front-end frameworks like Next.js (preferred).
• Hands-on experience with WebRTC, WebSockets, Redis, Kafka, Docker, and AWS.
• Exposure to healthcare tech, RCM, or regulated environments (highly valued).

Bonus Points

• Contributions to open-source audio/media projects.
• Experience with DSP, live streaming, or media infrastructure.
• Familiarity with observability tools (e.g., Grafana, Prometheus).
• Passion for reading research papers and discussing the future of voice communication.

Founding Engineer:

As a Founding Engineer, you'll be responsible for designing, building, and launching our product to customers. Specifically,

• Since our team is lean and we plan to keep it that way - you’ll be one of the first five engineers in leading the zero-to-one journey of a product our customers are hungry for
• Lead technical design and implementation of the frontend and backend of the product with coaching and mentorship from world-class technical architects
• Have knowledge of (or learn) how to work with Shopify’s CLI
• Iterate quickly to create delightful user experiences, working closely with customers/ design partners
• Help us hire a world-class engineering team in the months ahead
• Our team is currently fully remote (with offices to be opened in Bangalore and Mumbai over next few months) and cross-border across San Francisco, Boston, and India - help us cultivate a remote-first, inclusive, diverse, and friendly culture
• Work directly with the founders with an ownership mindset

Skills and Experience:

• Prior experience working with backend tech stacks (e.g. Spring Boot, Ruby on Rails, Django, Laravel)
• Experience with service service-oriented architecture, writing REST APIs, unit testing, and architectural design
• Understanding of modern web stacks and architecture (HTTP, REST, GraphQL, WebSockets)
• Experience with SQL and NoSQL databases and other technologies (e.g. Mysql, Redis, Kafka)
• Prior experience working with frontend tech stacks (e.g. React, Angular, Vue.js)
• Prior experience working with frontend UI frameworks (e.g. Bootstrap, Tailwind CSS)

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 developer
• Codeigniter Preferred 
• Good knowledge of Mysql and query optimisation
• Experience with PHP 7, HTML5, AJAX, JavaScript, JQuery, CSS, MVC frameworks (Bootstrap), API
• Experience with Ubuntu OS is a plus
• experience deploying softwares to cloud providers such as GCP, AWS

Our ideal candidate is comfortable collaborating with Product Owners, UX and UI Designers, Data Scientists and senior technical team members to build sound solutions to complex business challenges. A Self-starter and problem-solver will thrive in this position.

You should be strong JavaScript developer comfortable in all areas of the software development lifecycle and have experience with React, Node, Mongo, MySQL and Express in a scalable production environment. Some Python and familiarity with AWS would be welcomed.

Focus Areas and Core Responsibilities

Accountable for day-to-day implementation and launch of product roadmap features and updates.

Collaborate with Data Science, Tech and UX teams to create systems design and information architecture based off of user stories and requirements. Ensure test cases are properly written.

Maintain and work on the continuous improvement and development of company tools.

Coordinate with dev ops and QA to ensure continuous integration and deployment of production ready code.

Skillset, Qualifications, and Experience

• 5+ years of web application development experience including strong working knowledge of JavaScript, ReactJS, NodeJS, Mongo and Express.
• Familiar with asynchronous programming and object-oriented programming best practices. Must have prior experience with MVC design pattern
• Experience with node and linux commands necessary for debugging installations and deployment locally and on cloud services such as AWS
• Strong familiarity with a variety of APIs and RESTful interfaces
• Familiar with various methods for performance optimization
• Ability to work with UX/UI team to create a frictionless user experience and pixel perfect web components and data visualizations
• Experience integrating security best practices into the SDLC
• Expert level Git, including branching and best practices to resolve merge conflicts
• 1+ years of Agile development experience
• Experience manipulating and working with data in a variety of forms: csv, xml, json, structured and unstructured
• Excellent communicator who can work independently and be a team player
• Passion for Technology: excitement for new technology, bleeding edge applications, and a positive attitude towards solving real world challenges

Job Description

As a Software Engineer at Radixweb, you will write and maintain efficient code by using PHP technology. You will follow the complete software development life cycle and work with other team members on the project modules including software design and development. You 'll be communicating with the client on regular basis for gathering requirements and giving demos

Roles & Responsibilities

• Involve in full lifecycle application development from requirement gathering to deployment.
• Analyzing, coding, and debugging the application with PHP & MySQL.
• Involve in the continuous learning process for the latest technologies
• Work with creative thinking and a result-oriented approach
• Communicate with the client on regular basis to gather the requirements, give a demonstration, and to clarify doubts/queries.

Eligibility

• 2 to 5 Years of working experience in PHP frameworks like Laravel and Codeigniter
• Excellent knowledge of laravel framework and experience building factories/facades/libraries
• Must have good knowledge of deployment and release cycle with PHP technology
• Have an understanding of MySQL Database, OOPS
• knowledge of web technologies including HTML, CSS, JQuery, AJAX.
• Must have experience in Web Service and third party API integration
• Hands-on experience in Linux Environment (LAMP)
• Must have working experience with GIT and SVN.
• Knowledge of JQuery and JavaScript.
• Knowledge of ReactJs, Nodejs would be an advantage.

Company Introduction

Founded in 2000, Radixweb is a leading software development company serving over 2900 clients in 25 countries. Join us to work on challenging projects, standardized processes, and fun work culture.
In addition, have an exposure of our home-grown globally acclaimed PHP-based web to print solution- https://www.onprintshop.com/">https://www.onprintshop.com/ developed to simplify print order management from client order to shipping. Recognized as solution partners by reputed brands in the print industry and serving small to largest printers across the world.

• Opportunity to work on latest technologies
• Technology and team-based well-managed training & development process
• A strong and committed team of 450+ employee
• 70+ Employees working with us for 5+ Years
• 25+ employees working with us for 10+ Years
• Flexible shift timings with lucrative compensation
• Transparent Appraisal process
• Exclusive soft skill training by professional Trainers. 

This company is entire new but I have been working on my own project from last 8 years . 

Well here our  target is to finish at least 90 e-commerce websites a month .... as per the calculation one  should be able to finish one site within 3 days ( mainly on woo commerce) 

( we already have more work than we can finish for next 3 years) which makes us pretty stable as most of the new company .

So there are 2 categories of web designer we are looking for 

1. Salary range - 15k - 20 k (0-1 years experience)- Should be able to make a full responsive ecom ( woo commerce) website in 3 days 
2. Senior designer/ developer.  - 25- 40k  -Should be able to handle the team of 9 designer ,    -To make sure the checklist provided by client is met. -To make sure Deadlines to met for delivery .

P.s salaries entirely on the basis on ability  to perform and existing knowledge.