Engineer, Payments Infrastructure
Inversion
full-time
Posted on:
Location Type: Hybrid
Location: New York City • New York • United States
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Tech Stack
About the role
- Design and build payment processing, settlement, and reconciliation systems that operate at scale across acquired businesses
- Conduct technical due diligence on acquisition targets—evaluate their existing payment stacks, infrastructure dependencies, and integration requirements
- Build full-stack tools and dashboards for internal operations, portfolio monitoring, and deal analysis
- Own integrations with core banking systems (Fiserv, Jack Henry, FIS) and modern payment rails (FedNow, SWIFT, stablecoin networks)
- Develop proof-of-concepts that demonstrate how blockchain infrastructure can replace legacy correspondent banking
- Write and review technical designs and production code; own system reliability, observability, and incident response
- Collaborate across product, operations, legal, and business teams to ensure technical solutions meet regulatory and commercial requirements
- Contribute technical insights to investment decisions and inform our technology roadmap
Requirements
- 4+ years of software engineering experience, with at least 2 years building payments, billing, or financial infrastructure systems
- Fintech experience: You've worked at a modern fintech company that balances new technology with legacy banking system integration
- Strong proficiency in full-stack development - comfortable building APIs, databases, and user interfaces
- Experience with payment system design, including understanding of settlement, reconciliation, and regulatory requirements
- Ability to quickly understand and work with unfamiliar legacy systems and evaluate third-party infrastructure
- Experience setting and maintaining engineering best practices: testing, code review, CI/CD, and incident management
- Excellent communication skills - able to engage with business stakeholders and articulate technical trade-offs clearly.
Benefits
- Competitive compensation package, including base salary and discretionary bonuses
- Significant potential for asymmetric upside
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
software engineeringfull-stack developmentAPI developmentdatabase managementpayment system designsettlement systemsreconciliation systemsblockchain infrastructureincident managementCI/CD
Soft Skills
communication skillscollaborationtechnical due diligenceproblem-solvingstakeholder engagement