Amsterdam Backend Python Engineer — Event-Sourced, FastAPI

Locus EU; Amsterdam; Hybrid; EUR 70,000 - 110,000; Full time

Benefits offered by this job

3 days in Amsterdam office

2 days work from home per week

25 days annual leave + holidays

8% holiday allowance

No pension plan

Job summary

Locus EU, a compact Amsterdam-based team building property management software, is hiring a Python backend engineer. You will turn requirements into implementable features, focusing on business logic, data, and domain events using event sourcing and CQRS.

You will collaborate with domain experts, write tests, and mentor teammates to raise the bar together. You’ll work with FastAPI, PostgreSQL, and Redis in a lean codebase, contributing to scalable backend solutions and thoughtful architectural

Qualifications

• Strong experience building and maintaining Python applications, ideally with FastAPI and event sourcing.
• Good understanding of relational databases, transactions, backend design, and architectural tradeoffs.
• Collaborative mindset: communicate clearly, follow through on commitments, and seek help when needed.

Responsibilities

• Turn requirements into implementation and develop backend features using event sourcing to model business processes.
• Write maintainable code and domain-focused tests to validate business flows and document expected behavior.
• Mentor colleagues and provide guidance on technical decisions to improve team output.

Skills

Python

FastAPI

Event sourcing

Relational databases

Backend design

Tools

PostgreSQL

Redis

Job description

Locus EU, a compact Amsterdam-based team building property management software, is hiring a Python backend engineer. You will turn requirements into implementable features, focusing on business logic, data, and domain events using event sourcing and CQRS.

You will collaborate with domain experts, write tests, and mentor teammates to raise the bar together. You’ll work with FastAPI, PostgreSQL, and Redis in a lean codebase, contributing to scalable backend solutions and thoughtful architectural