Applying to Paxos? Our only careers site is paxos.com/careers, and we only recruit via @paxos.com email. Details below.About the roleAs a Senior Software Engineer on the team, you'll build the AI-enabled trust layer that lets the world's largest financial institutions adopt blockchain safely. You'll own the customer journey from first contact through onboarding to activation. That means designing the systems that verify and onboard customers, using AI to automate compliance review, and measuring and improving every step of the funnel. You'll work directly with Product, Compliance and identity vendors, and your work will shape both how fast customers go live and how well Paxos meets its regulatory obligations.
What you'll do- Own the customer journey from lead to onboarding to activation, across the Paxos Dashboard and Identity APIs
- Instrument the onboarding funnel, find drop-off and friction, and run experiments that cut time-to-activation
- Design, build and operate backend services for KYC/KYB, identity verification, screening and identity lifecycle
- Use AI to automate compliance work such as document review, case triage and risk assessment, replacing manual ops
- Own integrations with third-party identity and screening vendors, including async workflows and webhooks
- Build data-privacy capabilities (GDPR erasure, PII handling) into the platform from the start
- Write design docs, lead technical decisions, mentor teammates and take part in on-call
About you- 5+ years building production backend systems, with 1+ year at senior level
- Strong in Go, Java or Python (Go strongly preferred)
- Experience designing APIs and data models for sensitive or regulated data
- You think about outcomes such as conversion, activation and time-to-value, not only shipping features
- Comfortable turning ambiguous requirements from non-engineering stakeholders into clear technical plans
- Bonus: identity, KYC/AML or onboarding systems; growth engineering or experimentation; building LLM features into production; Persona or similar vendors
- You use AI tools daily to work faster and better
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To verify a legitimate Paxos opportunity:- Our only official careers site is paxos.com/careers
- We never ask for payment or financial details to apply, interview, or work here
- For technical roles, we do not perform a coding interview without prior screening by our engineering team
Thanks for your interest in Paxos! 
