Video Conferencing Full-Stack Engineer (Contract)
UpStack is a talent placement platform that connects vetted, senior level software engineers with companies around the world, including Squarespace, IKEA, TaskRabbit, and Intercom. Every engineer in our network goes through a multi stage vetting process covering technical skill, communication, and project fit before being presented to a client. We are seeking a Video Conferencing Full-Stack Engineer to lead the vendor discovery, evaluation, and prototyping phase for an enterprise grade virtual meeting solution. In this role, you will assess vendor platforms, validate technical assumptions, and build hands on proof of concept implementations using major video meeting SDKs and custom embedded meeting frameworks. This is an open ended, ongoing engagement, not a fixed term project. The client is confidential at this stage and will be disclosed once you have moved into the interview process.
FLUENT ENGLISH, WRITTEN AND SPOKEN, IS REQUIRED. Please do not apply without it.
Build end to end prototype solutions covering frontend UI,



backend services, infrastructure, authentication, and deployment
Implement embedded meeting experiences using vendor SDKs and custom, build your own, video architectures
Manage meeting lifecycle features, including participant controls, chat, screen sharing, recording, moderation, and session telemetry
Integrate video platforms into enterprise services via APIs, SDKs, OAuth, JWT, and event driven webhook architectures
Proven hands on development experience with both Zoom and Webex SDKs/APIs, including custom embedded meeting experiences
~ Demonstrated ability to rapidly build end to end prototypes, frontend, backend, infrastructure, auth, xhfqzwm in an exploratory, evolving requirement setting
~ Strong technical background in core video conferencing concepts: meeting lifecycles, stream moderation, chat, telemetry, screen sharing
~ 5+ years of professional software engineering experience
~ Fluent E

📌 Video Conferencing Full-Stack Engineer (Cataluña)
🏢 tecnoempleo.com
📍 Cataluña