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Software Engineer

Taizen

Taizen

Software Engineering
Barcelona, Spain
EUR 45k-65k / year + Equity
Posted on Jan 15, 2026

Join us as a Founding Software Engineer to build an AI-native product where AI agents don’t just answer questions — they take actions.

This is not a fully remote role. You’re expected to work at least 4 days/week in the office.

This role is not suitable if you’ve been working mainly on freelancing projects or consulting. We’re looking for people who have built and shipped inside a product organization, owning systems over time and living with the consequences (performance, reliability, maintenance, iteration, on-call realities).

We also care a lot about problem solving and CS fundamentals. We want engineers who can reason clearly, break down hard problems, and build robust systems — not just wire together tools.

Salary: 45k–€65k + equity

What we do

🚢 Our customers are Product Marketing, Customer Marketing, and Sales Enablement teams. Their work is deeply operational: collecting customer proof, creating credible assets, keeping sales enabled with the right references, and moving revenue forward. Today that reality is messy: spread across call recordings, CRM notes, docs, decks, Slack threads, and “can you find that quote?” requests.

👨‍👨‍👧‍👦 We’re building a workflow where AI agents power the work:

  • generate drafts for case studies, quotes, testimonials, and sales enablement assets (with traceable evidence)
  • surface the right proof for a deal at the moment of doubt inside Slack/Teams
  • keep a living “proof library” that stays fresh without manual chasing
  • run lightweight consent + approvals so publishing is safe and scalable

🎶 We’re VC-backed, founded by two ex-Spotify engineers, and we’re building with customers every week.

What you'll do

  • Build product features end-to-end: take a real customer problem, shape a solution with the team, ship it, improve it based on usage
  • Build reliable backend services and workflows that power AI-agent capabilities
  • Build great product surfaces across the web app and Slack/Teams experiences
  • Build and maintain data integrations with different data sources and platforms
  • Design and manage the evolution of flexible data models and database infrastructure to handle different types of data sources and data points, optimizing for fast reads/writes
  • Own quality: testing, monitoring, observability, and incident response habits as we scale
  • Improve our delivery pipeline: CI/CD, deployments, and infrastructure hygiene

What we're looking for (Must-haves)

  • Bachelor's or Master's Degree in Computer Science or a related field
  • 4+ years experience shipping production software in a product team
  • Strong problem solving skills and solid computer science fundamentals
  • Experience working with TypeScript/React/Next.js/NodeJS/Python or similar technologies
  • Practical infrastructure experience: CI/CD, deployments, monitoring/observability
  • Ability to work collaboratively with cross-functional teams

Additional Requirements

  • Experience shipping products with LLM/AI components
  • Ability to work across the stack and pick up new tools/technologies
  • Experience building integrations with third-party tools and APIs
  • Ability to work in a fast-paced environment

Why you definitely want to work with us

  • 🚀 High ownership: small team, real impact, fast shipping cadence.
  • 💡 You’ll build a genuinely new product experience that is AI-native and powered by AI agents.
  • 🥳 You will work hard, but we will celebrate the small and big wins together.
  • 🎉 We will organize company offsites a few times a year to work and play together.
  • 💰 And of course, you will get a competitive salary, significant equity ownership and professional development opportunities!