[Hiring] Senior Fullstack Engineer @UseToday ApS

Role Description

TODAY revolutionizes Financial Advice by making advisors AI-native. Its AI sales operating system supports financial and insurance advisors before, during, and after client meetings, so they save time and give their clients better advice.

• Architect, build, and own core product features across our entire stack, from AI (Voice AI, STT, TTS, Microsoft Foundry, MCP, Deep Agents, LangChain, Langfuse) to Python (optionally Golang and/or TypeScript), Postgres, and Microsoft Azure infrastructure.
• Design and implement scalable microservice architectures on a modern infrastructure stack.
• Develop production-grade AI products, including features driven by LLMs, agents, and advanced audio ML.
• Integrate a wide variety of third-party APIs, MCPs, and data stores to expand our platform's capabilities.
• Get hands-on with Voice AI, building systems for audio analysis and processing, VAD, noise cancelation, turn management, and implementing robust evaluation frameworks for evals and agent orchestration.
• Champion a security-first mindset, ensuring the highest standards for data, application, and infrastructure security.
• Establish and drive a comprehensive testing culture, from unit testing to contract and penetration testing.

Qualifications

• You have a proven track record of building and shipping production-grade AI products, especially in a startup environment.
• You possess rock-solid, hands-on experience in Python (and/or Golang), Postgres (or MySQL), microservices, and modern infrastructure.
• ReactJS, TypeScript, or Electron is also a big plus.
• You have experience with API/MCP integrations and can quickly get up to speed on new services.
• You have deep, practical experience with building AI Agents, integrating and evaluating LLMs, prompt engineering, and evals.
• You have built scalable, responsive infrastructure under high-traffic and big-data regulatory requirements.
• Experience building prod-grade agents for the memory, context, and tooling challenges.
• You are exceptionally driven with a strong entrepreneurial mindset and are excited by the prospect of joining the team at an early stage.
• You are a pragmatic problem-solver who can translate complex requirements into robust, scalable, and secure technical solutions.
• Previous experience in FinTech, InsurTech, or other regulated industries is a plus.

Benefits

• Join our mission to deliver peace of mind at scale. Work with and learn from our Founder team that created over €1.5B in Fintech enterprise value and is driven to aim higher this time.
• Join an extremely fast-moving AI startup that’s transforming how thousands of customers experience financial advice.
• In addition to a competitive salary, we offer significant equity.
• Include in your application a link, demo, or Loom of a production-grade AI, FinTech, High Traffic- or Big Data-oriented product or solution you’ve shipped.
• Explain the architecture, tech choices, and trade-offs you faced, particularly around AI/ML, scalability, reliability or security.

Company Description

Ready to Shape the Future? Join us and deliver peace of mind at scale. We’re excited to be working with you.