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Staff Engineer

Software Engineering

Amsterdam, Netherlands

Posted on Feb 14, 2026

Job description

AboutSource.ag

At Source.ag , we build software that helps the world's leading greenhouse growers make better decisions every day. Our products combine data, models, and real-world constraints to optimize how food is grown at scale. This is not a typical SaaS problem. We work with messy, biological, and operational systems where decisions have real consequences. As we scale, the complexity of our systems and our organization increases quickly - and that is exactly the challenge this role is about.

The role

We are looking for a Staff Engineer to help us simplify, stabilize, and evolve our systems as the company grows.

This is an individual contributor role, working closely together with the CTO and Engineering managers. Focused on high-level technical impact rather than people management or repetitive feature production. It is a role for engineers who value ownership, sound judgment, and the ability to act effectively even when information is incomplete. You will work on business-critical systems that other teams depend on, taking responsibility for how those systems behave in production.

You may find this role challenging if you prefer:

• Strictly defined scopes and long planning cycles.

• Static systems with a low rate of change.

• Waiting for total consensus before moving forward.

What you'll work on

Depending on your strengths and interests, your work may include:

• Designing, building, and operating backend services and data-heavy systems.

• Improving the reliability, performance, and cost-efficiency of existing platforms.

• Simplifying service boundaries, data flows, and infrastructure choices.

• Supporting product teams by making core systems easier and safer to use.

• Identifying potential scaling bottlenecks and resolving them proactively.

• Taking personal responsibility for the systems you develop and maintain.

Our stack today includes Golang, Python, Databricks / Delta Lake, PostgreSQL, and AWS - but we prioritize your judgment and problem-solving skills over experience with any specific tool.

Job requirements

We prioritize how you operate over formal titles, though you should have the experience to recognize scale-up challenges before they arise. While high-level technical proficiency is a baseline requirement, what distinguishes a successful candidate in this role is their judgment.