Fullstack Developer / Backend Developer / Frontend 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.

Remote position

Full-stack developer | .NET Core + Angular

Are you...

• Interested in working at a successful, well-funded scale-up where every team member can make a huge contribution?
• Keen to make software that people will use every single day to make their lives easier?
• Excited to work on greenfield projects with responsibility and independence?
• Ready to develop and use your skills across our frontend, backend and mobile offerings?
• Meticulous about quality, and gifted with a strong desire to write beautiful code?

About the company

KeyNest solves the key exchange problem for Airbnb users. Our worldwide network of over 4,000 shops store keys so that Airbnb guests / cleaners / contractors can pick them up whenever is convenient for them. As a global partner of Airbnb we’ve checked-in over 2 million guests.

Why we need you

As the entire Airbnb ecosystem increasingly relies on KeyNest, our customers expect us to integrate additional features without reducing the ease of use that our customers love. This is why we continue to invest in beautiful, intuitive user interfaces that integrate with every tool and are used by our customers, their guests and staff, as well as our own staff.

A product manager, a team lead, two full-stack developers, one mobile developer, and a UX designer make up our product team. Who will serve as your mentor. We are looking for a developer who cares about how their code affects users so that we can work together.

With a genuine passion for high quality work, attention to detail and readiness to own your own projects, you will be looking for a new and exciting challenge which allows you to use your experience to drive change and maintain the high standards of our organisation.

Our Tech Stack

• C# MVC modern tech stack
• .Net Core
• Front end web in TypeScript & Angular
• Test Driven Development (TDD) and follow SOLID design principles.
• EF 6.0
• SQL Server 2017
• Agile experience (Scrum, Kanban)
• TFS
• Cloud hosted in Azure with micro-services architecture

Your qualities

• 5+ years experience in C#
• Experience with .NET core
• Front-end web experience in Angular and CSS
• Track record of building great products
• You’ll love the idea of being a big part of a small team. Current team size is 5.
• Motivation and ambition to succeed in a fast-paced environment
• Not afraid to take on responsibilities

What we offer

• Crucial role in a funded, dynamic & fast-growing scale-up shaking up the sharing economy
• Competitive salary based on relevant experience
• Flexible working for our most committed staff
• Unparalleled opportunities to develop your career as the company develops rapidly

If you want to join the KeyNest team, please get in touch – we look forward to meeting you.

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

Job description

Role Overview:

We are actively seeking a skilled and experienced Senior .NET Developer with proficiency in Dot Net, MySQL, Dot Net

MVC. The ideal candidate should have 5-7 years of relevant experience in .NET development. As a Senior .NET

Developer, you will be instrumental in designing, developing, and maintaining high-quality software solutions.

Responsibilities:

• Design and develop robust and scalable .NET-based applications.

• Collaborate with cross-functional teams to gather project requirements and specifications.

• Implement best practices in coding, security, and performance optimization.

• Utilize your expertise in MySQL database management.

• Troubleshoot, debug, and resolve software defects and issues.

• Stay updated with the latest industry trends and technologies.

Qualifications:

• M Tech/ B Tech/ BE/ MCA/ MS in Computer Science, Information Technology, or equivalent.

• The degree must be obtained through a regular on-campus program from a recognized university.

• Proven experience as a .NET Developer with 5-9 years of relevant work experience.

• Strong proficiency in Dot Net and MVC architecture.

• Experience with MySQL database management.

• Knowledge of front-end technologies such as HTML, CSS, and JavaScript.

Skills:

• .NET, MySQL, MVC

• HTML, CSS, JavaScript (desired)

Egregore Labs (http://www.egregorelabs.com/" target="_blank">www.egregorelabs.com) is a financial software company founded in 2017 by Prashant Vijay (ISB, Tulane) & Hari Balaji (IIM Ahmedabad, IIT Madras) both of whom have spent over a decade each in Financial Services, with a majority of their experience at Goldman Sachs across New York, Hong Kong & Singapore in roles across Trading, Quant & Technology.

We are looking for an experienced fullstack engineer with front-end development experience to join our team.
We will share our workload as a team and we expect you to work on a broad range of tasks.

Here’s are some of the things you might have to do on any given day:

• Implement responsive and performant UIs with user centered approach with frontend technologies including Angular 2, Javascript(ES 6), Typescript, SCSS, etc
• Build back-end REST APIs on Python 3 based server frameworks for deployment and scaling of our product(s)
• Write meaningful test cases for frontend & backend platforms
• Integrate our products with 3rd party products/tools/services
• Develop Infrastructure for delivering services using a performance driven approach, build databases, schedule automated jobs, etc

• At least 24 months of diverse experience in web development for product or services oriented environment with exposure to working production deployments
• Expertise in programming using Python/Javascript or similar scripting languages
• In-depth exposure to technologies used in web-based SaaS products, including REST APIs
• Sound understanding of Postgres and NoSQL databases such as MongoDB

Nice to have exposure to any of

• AWS
• Azure
• ELK
• Object Relational Models (SQLAlchemy, etc)
• Google APIs
• Microservices Architecture Pattern
• NodeJS / ExpressJS

We are looking for a person who has

Resourcefulness - we're looking for versatile developers who are good at figuring out what they need to use, learn, build, re-purpose to get the job done quickly and efficiently.

Ownership - We like to be directive and not prescriptive in our management. We’d love for you to take ownership of what you work on, and tell us what to do, rather than the other way round.

Work Ethic - We’ve grown up on Wall Street. We work hard, and have aggressive goals. We want our team-mates to be focused, goal-oriented and consistent high achievers.

Execution Focus - Our business is about getting things done, and getting things done right. We want outcome focused colleagues who can multi-task, and execute quickly and elegantly.

We are an early stage company. Working here is not for the faint-hearted. An intense and unstructured work environment, lots of excitement and a group of motivated colleagues is what we bring to the table. We ask you to bring your undivided attention, strong worth ethic & resourcefulness. We are Delhi based and work 6 days a week. We operate in a Python environment.

• IMMEDIATE JOINEE
  BA/BS degree in Computer Science or related technical field or equivalent work experience. MS degree is preferred.
• 9+ years development experience in JAVA (using OO Design and Analysis, Design Patterns, etc.)
• High experience in Java 8 with hands on coding Required.
• 4+ years’ experience building highly scalable, distributed and reliable Restful Web Services using Spring, Jersey, etc.
• Should have knowledge on Cloud applications preferably on AWS.
• Knowledge on building Front end applications using JavaScript, AngularJS, HTML5, CSS3.
• Experience with relational DBs like MySQL and NoSQL Database like MongoDB, Solr/Lucene will be a plus.
• Experience with Tomcat, Jax-RS, REST, JPA, IntelliJ, Groovy, Hibernate is must.
• Experience with build technologies like Gradle, Jenkins will be a plus.
• Experience with Test Driven Development using TestNG/Junit testing frameworks.
• Experience working with version control like GIT.
• 8+ years (or more) experience shipping quality code
• 4+ years’ experience with leading frontend frameworks like Angular 1 to 8 or ReactJS, etc.
• Experience on Ionic Framework, Cardova
• Experience contributing front-end code to a publicly available, consumer-focused web application.
• Solid experience and understanding of HTML5, CSS3, and Javascript (vanilla JS and popular libraries like Underscore.js and jQuery)
• Experience with REST-based APIs
•