Zeit Ai

Backend Engineer (Infrastructure & Platform) (f/m/d)

Remote, United States remote Entry Salary not listed
remote Technology & IT Curated
Sign in to apply Free account — we bring you straight back to this role.

About the role

The opportunity
LLMs are changing analytical work. Capabilities that once required large teams of highly paid data engineers are becoming accessible to smaller companies for the first time. At Palantir, we delivered real data and BI value, but deployments never scaled without expensive, hands-on engineers. We believe LLMs change that, and we have the customers and revenue to prove the model works.
Now we scale and one key lever is the platform. Every new customer brings new data sources, more rows to sync, and more queries to serve. Your job is to make sure ZeitMind, our agent platform, can handle onboarding 10 new enterprise customers per week and the hard part isn't the compute. It's capturing each business's context fast enough: connecting messy data systems, making sure the agent's answers are correct, that visualisations hold up, and that the customer is able to get value out of the product quickly. This is as much a product and correctness problem as an infrastructure one, and it hasn't been solved before. Onboarding a customer should be boring. This is the role that lets everything else scale.

What you will do
Build the sync layer: millions of rows from ERP, CRM, and homegrown systems, ingested incrementally and reliably, without an engineer babysitting the pipeline

Cut onboarding time: connecting a new customer's data sources should take hours, not weeks. You abstract sources so our agents work with any of them the same way

Make the agent fast where it counts: speed comes from tool design that parallelizes, sub-agents, and branching, not tokens per second. You design tools so work can run concurrently and safely

Route data safely between customer networks and ours: security and reliability are features our customers pay for

Build the guardrails for correctness: automatic checks and integrated validation tooling so the agent's output can be trusted, and so it flags what a human should verify

Keep the platform simple: choose boring technology where boring wins, and be able to say why every system we run earns its place

You will thrive here if you
have built or scaled data platforms before and think clearly about data processing architectures

have a deep understanding of OLAP and OLTP systems and when to reach for each

bring strong backend experience with TypeScript and are at home in cloud infrastructure

get foundations right without overengineering them; you build for the scale we will hit next year, not for a hypothetical one

take full ownership from idea to production to impact, and are comfortable working without predefined specs

want to build foundations early rather than optimize mature systems

are genuinely interested in the data and agentic space and how LLMs enable new workflows for non-technical users

Requirements
You've been a lead architect or equivalent: built many systems yourself, and seen how large systems fail and evolve. You're here to learn from customers and take bets on a product that doesn't exist yet, not to learn how to write software.

Strong TypeScript and cloud infrastructure experience

English C1 or above; German a plus

What we offer
We are based in Munich and build the team around in-person work. We pay for your relocation.

Regular San Francisco offsites for product sprints and staying close to the frontier.

Zeit AI package: daily lunch allowance, free in-office dinner, wellpass membership, best tech & tools

You know someone? €5k referral bonus for every successful hire.

Tech stack
TypeScript end to end. Backend on Bun with Postgres and Supabase. React frontend (Mantine, TRPC, TanStack Query). Job/Process management, Docker, VPN/routing and Agentic frameworks: harness, tool calls, sandboxed tools, branching of data and specs.

About the interview process
First call with Elisa

Tech screening

Tech interview with Jonas

Decomposition interview

Second technical interview

Behavioural interview

Take-home case + Meet the team

References, offer

Apply
Still apply if you do not match every requirement. If you are exceptional in core areas and learn fast, we want to talk.
Compensation: €95K – €270K • Offers Equity • €5k referral bonus
• total comp €95K – €270K • Offers Equity • €5k referral bonus
Find Jobs in Germany on Arbeitnow

Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Role
Technology & IT CRM Javascript Sales SQL remote

Likely questions

  1. Tell us about work you have done that is close to the Backend Engineer (Infrastructure & Platform) (f/m/d) role.
  2. How would you approach your first 30 days at Zeit Ai?
  3. Which of CRM, Javascript and Sales have you used recently, and what did it help you achieve?
  4. Describe a time you solved a problem without waiting to be told exactly what to do.
  5. How do you stay organised and communicate clearly when working remotely?

Prepare before the call

  • A recent example that proves your experience with CRM, Javascript and Sales.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the Backend Engineer (Infrastructure & Platform) (f/m/d) role because I can bring practical experience in CRM, Javascript and Sales, learn the team quickly, and contribute to the outcomes Zeit Ai needs from this hire.

Related jobs.

More roles from this company or category.