125K–139K EUR / year
Fullstack Engineer, Investigator Tools
FullstackRemote — Germany
Published on 2026-10-14
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About this role
Build backend-heavy, data-intensive applications and intuitive tools that help fraud analysts investigate suspicious transactions. Own features end-to-end, including advanced graph visualizations and performant search tools, at scale.
About the company
Sardine is a financial crime platform that helps companies detect fraud, money laundering, and other risk with real-time behavioral and device intelligence.
Stack
TypeScriptNode.jsReactGo
What you'll do
- Own features from identifying user needs through implementation and iteration
- Build intuitive interfaces for complex technical systems
- Develop graph systems to visualize fraud rings and search tools to identify suspicious transactions
- Collaborate with Design, Data, Product, and Account Management
- Diagnose and resolve bugs; write efficient, performant code
What we're looking for
- Extensive experience writing production-ready code in TypeScript, Node.js, React, Go, or other server-side languages
- Experience with data-intensive applications, complex workflows, and big data at scale
- Strong background in data modeling and production data pipelines
- Able to independently deliver polished features amid ambiguity in a fast-growing startup
Benefits
- Equity, with early exercise available for all options, including pre-vested options
- Flexible paid time off and year-end break
- Home-office setup stipend
- Monthly meal and social meet-up stipends
- Annual health and wellness stipend
- Annual learning stipend
- MacBook Pro