> Markdown version of [/jobs/ext/2964507-senior-software-engineer-real-time-conversational-ai](https://www.wearedevelopers.com/jobs/ext/2964507-senior-software-engineer-real-time-conversational-ai). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Software Engineer, Real-Time Conversational Ai

- **Company:** Sinch
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, MongoDB, Node.Js, TypeScript, WebSocket, Chatbots, Backend, Apache Kafka, Microservices
- **Published:** September 17, 2026
- **Apply:** https://www.buscojobs.com.es/senior-software-engineer-real-time-conversational-ai-en-madrid-ID-371817089

## About the Role

We're seeking a Senior Software Engineer to design and scale Chatlayer's backend, handling WebSocket and real-time voice/text interactions across distributed services.You'll influence architecture, ship with urgency, and mentor teammates in a fast-growth environment.
Ideal candidates bring 5+ years of experience, strong Node.js/TypeScript and/or Go, and hands-on cloud, microservices, and data-layer expertise (MongoDB, Kafka,
#J-*****-Ljbffr

## Description

Sinch is building a scalable, AI-infused communications platform.We're seeking a Senior Software Engineer to design and scale Chatlayer's backend, handling WebSocket and real-time voice/text interactions across distributed services.You'll influence architecture, ship with urgency, and mentor teammates in a fast-growth environment.Ideal candidates bring 5+ years of experience, strong Node.js/TypeScript and/or Go, and hands-on cloud, microservices, and data-layer expertise (MongoDB, Kafka,#J-*****-Ljbffr


## Related Videos

- [Raise your voice!](https://www.wearedevelopers.com/videos/10-raise-your-voice)
- [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock)
- [40 Minutes to Build a Serverless COVID-19 REST and GraphQL APIs](https://www.wearedevelopers.com/videos/208-40-minutes-to-build-a-serverless-covid-19-rest-and-graphql-apis)
- [Stop using Node.js like in 2020! What changed and what you can do today with Node.js](https://www.wearedevelopers.com/videos/100011-stop-using-node-js-like-in-2020-what-changed-and-what-you-can-do-today-with-node-js)
- [Building AI Applications with LangChain and Node.js](https://www.wearedevelopers.com/videos/1512-building-ai-applications-with-langchain-and-node-js)
- [OpenAI for FinTech: Building a Stock Market Advisor Chatbot](https://www.wearedevelopers.com/videos/805-openai-for-fintech-building-a-stock-market-advisor-chatbot)

## Related Articles

- [Dev Digest 132 - Binging WADFlix?](https://www.wearedevelopers.com/magazine/473-dev-digest-132-binging-wadflix)
- [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)
- [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)
- [Dev Digest 137 - AI'm not sure about this](https://www.wearedevelopers.com/magazine/485-dev-digest-137-ai-m-not-sure-about-this)
- [Dev Digest 118 - not a total recall](https://www.wearedevelopers.com/magazine/452-dev-digest-118-not-a-total-recall)
- [The Best AI Chatbots: ChatGPT and Other Alternatives](https://www.wearedevelopers.com/magazine/236-the-best-ai-chatbots-chatgpt-and-other-alternatives)