Founding Fullstack Engineer

TODAY revolutionizes Financial Advice in insurance, banking, and investment by making advisors AI-native. Moreover, TODAY is an AI-native company that works with unparalleled automation. Join our mission to deliver peace of mind at scale as our Founding Fullstack Engineer!

Tasks

• Architect, build, and own core product features across our entire stack, from AI (various LLMs, Voice AI, VAPI, Langfuse), Python (optionally Golang) on the backend, Postgres as a DB and Microsoft Azure for the infrastructure.
• Design and implement scalable microservice architectures on a modern infrastructure stack.
• Development of production-grade AI products, including features driven by LLMs, agents, and advanced audio ML.
• Integrate a wide variety of third-party APIs to expand our platform's capabilities.
• Get hands-on with Voice AI, building systems for audio analysis, processing, 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.

Requirements

• 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 or Electron is a big plus too.
• You are experienced in API integrations and can quickly get up to speed with new services. MCP is a plus
• You have deep, practical experience with LLMs, prompt engineering, evals.Voice AI and Audio ML is a significant plus.
• Experience building prod-grade agents (agentic quoting), for the memory and tooling challenges
• You are exceptionally driven with a strong entrepreneurial mindset and are excited by the prospect of being a founding member of the team.
• You are a pragmatic problem-solver who can translate complex requirements into robust, scalable, and secure technical solutions.

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 bigger 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.

Ready to Shape the Future?

Join us and deliver peace of mind at scale. We’re excited to be working with you.