Backend Engineer
Full Stack AI Engineer
Munich
Apply on the employer's siteRole description
Zalion is an international AI start-up revolutionizing industrial procurement.
We use cutting-edge AI agents to automate manual Source-to-Pay processes, freeing up procurement teams for strategic work.
We are live with the largest companies in Europe & the US.
We love what we do. We get stuff done. We progress fast.
Tasks
-
Own and ship agent-powered features end-to-end
– from idea and prototype to production rollout and iteration. -
Design, build, and deploy
AI agents in production
that interact with real systems (ERPs, email, supplier portals) and deliver measurable outcomes. -
Work with both
structured and unstructured data
(RFQs, emails, quotes, contracts) to power memory, retrieval, and decision-making. -
Build scalable
memory, reasoning, and orchestration pipelines
using tools like LangChain/LangGraph and evaluation frameworks. -
Integrate with
external APIs and legacy systems
, dealing with real-world messiness, rate limits, and failure modes. -
Contribute to our
cloud infrastructure
for scalable agentic workloads (observability, CI/CD, reliability, cost-awareness). -
Solve hard problems around
context management, latency, robustness, and guardrails
– making agents debuggable and trustworthy, not magic.
Requirements
-
Strong
Python
skills and a track record of writing clean, maintainable, well-tested backend code -
Solid experience designing and building
RESTful APIs
and data models in production environments -
Experience with
data engineering
concepts (ETL, data quality, performance) and backend architecture -
Hands-on experience building something
real with LLMs
(OpenAI, Claude, etc.) – side projects are fine as long as they’re concrete -
Comfort working in the
cloud
(ideally AWS) with CI/CD, logging, and monitoring -
A builder mindset
– you like to ship small, iterate quickly, and own your work end-to-end -
Comfort with
ambiguity and ownership
: you spot problems, propose solutions, and drive them to completion without waiting for perfect specs -
Roughly
4+ years
of professional experience, including at least one role where you owned a production service, subsystem, or major feature.
Benefits
-
Build AI agents that actually
do
things -
Massive autonomy, zero bureaucracy
-
Immediate impact, your work ships fast to real customers
-
Modern stack, no legacy
-
Competitive salary + meaningful equity
-
High-end equipment
🛠️
Tech Stack You’ll Work With
-
Python
(LangChain, LangGraph, LangSmith, FastAPI) -
AWS
(Bedrock, ECS Fargate, Lambda, S3, SQS/SNS) -
Next.js
,
React
,
TanStack Query/Router -
GitHub CI/CD , Sentry & Grafana & Prometheus
-
Postgres
,
Redis -
Large Language Models (LLMs) and AI infrastructure (evaluation, tracing, guardrails)
-
Whatever the
future
brings that helps us ship faster and better
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