← Back to companies

Castle
6 open
Detroit, Michigan, United StatesFounded 201436+ employeesSeries A raisedSeries APrivate
Last round: series a · $9.2M · Feb 2019(6 rounds total)
Founded by Max Nussenbaum, Scott Lowe, Tim Dingman
Backed by(13 investors)
Y CombinatorIndex VenturesF-PrimeFirst Round CapitalKhosla VenturesLiquid 2 VenturesJohn CollisonJeff ArnoldAnand SubramaniSV Angel
Castle lets you block bad bots, account takeovers, transaction fraud, and spam — all without the hassle of CAPTCHAs.
YC W16
About the Company
Open Positions at Castle (6 Jobs)

Castle
Aerospace Engineering
Device Fingerprinting Engineer
Full Time
0 months ago
Aerospace Engineering
0 months ago
Castle
Software
Mobile Engineer
Full Time
0 months ago
Software
0 months ago
Castle
Software
Detection Automation Engineer, Bot & Fraud Detection
Full Time
0 months ago
Software
0 months ago
Castle
Aerospace Engineering
Senior Solutions Engineer
Full Time
1 month ago
Aerospace Engineering
1 month ago
Castle
Sales & Marketing
Customer Lead (Sales + CS)
Full Time
2 months ago
Sales & Marketing
2 months ago
Castle
Business & Finance
Account Executive
Full Time
6 months ago
Business & Finance
6 months agoReady to start your space career at Castle?
Similar Tech Companies
Career Guides
Airbus Defence & Space: What Working There Actually Looks Like
Inside guide to Airbus Defence & Space careers: Ariane 6, Eurostar, Orion ESM programs, salary ranges across Europe, Graduate Programme, and hiring process.
Thales Alenia Space Careers: What You Need to Know Before Applying
Inside guide to Thales Alenia Space careers: Galileo, MetOp, SpaceRider programs, salary ranges, locations across France and Italy, hiring process, and work culture.
How to Write a Resume for Space Industry Jobs
Practical guide to writing resumes for aerospace and space jobs: ATS optimization, keywords by role, translating experience from other industries, clearance listing, and cover letters.