Boolean library
Boolean search strings for every role and platform
Copy-paste Boolean search strings for LinkedIn, GitHub, Stack Overflow, X and Google X-Ray, tuned for 30+ recruiting roles.
Boolean search is still the fastest way to find passive candidates who never apply. The right string surfaces 10× more relevant profiles than a basic keyword search — but writing one well takes practice.
This library gives you copy-paste-ready Boolean strings for every major sourcing platform, tuned per role. Pick a role below to see the full string set, including platform-specific variants and exclusion terms.
Engineering
Software Engineer Boolean strings
LinkedIn · GitHub · Stack Overflow · X · Google
OpenFrontend Developer Boolean strings
LinkedIn · GitHub · Stack Overflow · X · Google
OpenBackend Developer Boolean strings
LinkedIn · GitHub · Stack Overflow · X · Google
OpenFull-Stack Developer Boolean strings
LinkedIn · GitHub · Stack Overflow · X · Google
OpenMobile Developer Boolean strings
LinkedIn · GitHub · Stack Overflow · X · Google
OpenDevOps Engineer Boolean strings
LinkedIn · GitHub · Stack Overflow · X · Google
OpenSite Reliability Engineer Boolean strings
LinkedIn · GitHub · Stack Overflow · X · Google
OpenSecurity Engineer Boolean strings
LinkedIn · GitHub · Stack Overflow · X · Google
OpenCloud Architect Boolean strings
LinkedIn · GitHub · Stack Overflow · X · Google
OpenBlockchain Developer Boolean strings
LinkedIn · GitHub · Stack Overflow · X · Google
OpenData
Data Engineer Boolean strings
LinkedIn · GitHub · Stack Overflow · X · Google
OpenData Scientist Boolean strings
LinkedIn · GitHub · Stack Overflow · X · Google
OpenMachine Learning Engineer Boolean strings
LinkedIn · GitHub · Stack Overflow · X · Google
OpenAI Engineer Boolean strings
LinkedIn · GitHub · Stack Overflow · X · Google
OpenData Analyst Boolean strings
LinkedIn · GitHub · Stack Overflow · X · Google
OpenProduct
Design
Sales
Marketing
People
Customer Service
Hospitality
Frequently asked questions
Are these strings actually tested?
Yes — each string is hand-crafted by a sourcing specialist and tested against current 2026 platform behaviour (LinkedIn Recruiter syntax changed materially in late 2025).
Can I use these on the free LinkedIn search?
Yes — every LinkedIn string is written for the free version of LinkedIn search. Recruiter-licence-only operators are flagged separately.
How often is the library refreshed?
Quarterly, plus immediate updates when LinkedIn, GitHub or Google change their search syntax materially.