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About GlassFlow:

GlassFlow is the data infrastructure for AI agents in production. It has two products: GlassFlow Tares, which feeds agents correlated data from every system they touch, and GlassFlow Rius, which traces and debugs what agents do once they're running.

We’re a Berlin startup with a Silicon Valley mentality, backed with $5.9m from Upfront Ventures, the CEO of GitHub, the ex-CTO of Aiven, and more world-class investors.

The founders are serial entrepreneurs with more +10y of experience in building and selling data products.

Tasks

Why is this role special

We are Backend Engineer at GlassFlow, you’ll be shaping the core technology, culture, and trajectory of the company. The code you write will power AI agents for billions of data events around the world.

You’ll be working in a fast, high-ownership environment where speed matters, curiosity is rewarded, and ambition is the norm.

What you’ll do

• Build and scale high-performance, low-latency systems in Python.
• Take complete ownership of projects from idea to production.
• Ship fast, break things, learn, and ship again.
• Help define the technical culture of GlassFlow.
• Work directly with the founders to solve problems in a way that no one has solved before.

Requirements

What we’re looking for

You are:

• Deep expertise in Python.
• Hungry, competitive, and resilient.
• Someone with impressive achievements that prove you’re a 10x builder.
• A fast learner who thrives in chaos.
• Hands‑on, pragmatic, and deeply technical.
• Actively looking for startup culture.

Previous experience that could be helpful:

• Experience with public or private clouds (AWS / GCP / Azure)
• Experience with K8s, Docker, Docker Compose
• Worked in fast-growing environments or early-stage startups
• Openness to using AI tools in coding (e.g., Claude) is considered a plus
• Ability to adapt quickly and make compromises in writing code when necessary

This role is not for you if you:

• Expect long and detailed roadmaps.
• Need a structured process or step-by-step instructions.
• Want the “safe” path.
• Are afraid of chaos.
• Can’t handle pressure.
• Want “perfect” code.
• Are afraid of wearing multiple hats.

Benefits

What you’ll get

• Real ownership: competitive equity (everyone at GlassFlow is an owner).
• The chance to build something that changes how the world streams data.
• The opportunity to build for global tech brands from day one.
• A career trajectory that will 10x your skills and network.

Benefits:

• Competitive salary with Stock Option Grant
• Ticket for public transportation in Berlin
• Company credit card with a monthly allowance
• Newest tech of your choosing
• Annual Learning budget for personal development
• Generous WFH policy and a budget for home office setup

GlassFlow is an equal opportunity employer that values diversity in the workplace. We encourage applications from all qualified individuals, including those with diverse backgrounds and disabilities.