Principal Software Engineer

Please note that positions located in San Francisco are hybrid and include core 💼 Full-time💰 $190,000–$190,000🗓 2026-09-07

Core

Building secure and compliant platform products for an embedded finance card issuer processor.

Role type

Principal Software Engineer (Java)

Builds

Digital-first payment card issuance and processing platform

Domain

Fintech / Embedded Finance

Deliverable

production ML models | product features

Required skills

Java (>=11), JPA ORM, SQL, unit and integration testing, AI-powered development tools, scalable system architecture

Preferred skills

Card Acquiring platforms, GCP/AWS, SpringBoot, Docker, Kubernetes, BigQuery, RedShift, AI agents, LangChain/CrewAI/AutoGen

Technologies

Java, JPA, SQL, GCP, AWS, SpringBoot, Docker, Kubernetes, BigQuery, RedShift, LangChain, CrewAI, AutoGen

Responsibilities

Writing high quality and robustly tested code, understanding customer problems to build solutions, documenting work for scaling, interfacing with company domains to strengthen the platform

Seniority

Principal, hands-on IC with strategic impact

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About Highnote

Series A200 Employees

Founded in 2020 by a team of leaders from Braintree, PayPal, and Lending Club, Highnote is an embedded finance company that sets the standard in modern card platform management. As an all-in-one card issuer processor and program management platform, we provide digital-first organizations with the flexibility to seamlessly issue and process payment cards, embed virtual and physical card payments, and integrate ledger and wallet functionalities—empowering businesses to drive growth and profitability.