Principal Software Engineer jobs in United States
cer-icon
Apply on Employer Site
company-logo

Highnote · 3 days ago

Principal Software Engineer

positionSan Francisco
timeFull-time
remoteHybrid
seniorityLead/Staff
money$190K/yr - $240K/yr
date12+ years exp

Highnote is an embedded finance company founded by leaders from Braintree, PayPal, and Lending Club, focused on modern card platform management. The Principal Software Engineer will build secure and compliant platform products, write high-quality code primarily in Java, and understand customer problems to create effective solutions.

Credit CardsFinTechInformation TechnologyPaymentsTransaction Processing
check
Growth Opportunities
check
H1B Sponsor Likelynote

Responsibilities

Building secure and compliant platform products that solve customer needs
Writing high quality and robustly tested code, mostly in Java
Understanding customer problems to build the right solutions
Documenting your work to support our rapidly-scaling company
Interfacing with a variety of the company’s domains to strengthen our platform

Qualification

Java >= 11JPA ORM mappingUnit testingCloud platformsBig data technologiesAI agent frameworksCustomer centric softwareScalable codeFin-tech experience

Required

12+ years experience building production software systems
A history of writing scalable, performant and maintainable code. We strongly believe languages can be learned and care more about your engineering skill over frameworks
Excitement about shipping customer centric software
Experience with Java >= 11, JPA ORM mapping, Crafting SQLs, unit and integration testing

Preferred

Experience contributing to Card Acquiring platforms
Experience with cloud platforms such as GCP or AWS
SpringBoot, Docker, and Kubernetes
Experience with big data technologies such as BigQuery and RedShift
A background in the fin-tech space
Experience building AI agents for financial or payment platforms
Familiarity with AI agent frameworks (e.g., LangChain, CrewAI, or AutoGen)

Benefits

Flexible Paid Time Off
100% healthcare coverage + 75% coverage for dependents
401k program
Paid Parental Leave: Up to 16 weeks paid leave for the birth parent, and up to 6 weeks paid leave for the non-birth parent
Equity in Highnote
Stipend to build out your home office; internet reimbursement

Company

Highnote

twittertwittertwitter
company-logo
Highnote is an embedded finance company that develops a virtual payment platform to handle payment processing business flows.
dateFounded in 2020
location
San Francisco, California, USA
people-size51-200 employees
web-link
https://highnote.com

H1B Sponsorship

Highnote has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (16)
2024 (6)
2023 (6)
2022 (9)

Funding

Current Stage
Growth Stage
Total Funding
$213.07M
Key Investors
Oak HC/FT
2025-01-21Series B· $109M
2022-06-18Convertible Note· $25M
2021-12-01Convertible Note· $25M

Leadership Team

leader-logo
John MacIlwaine
Chief Executive Officer
linkedin
leader-logo
Kin Kee
Co-Founder and CTO
linkedin

Recent News

SEC Filings
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
2025-12-24
FX News Group
Cross River joins Visa’s stablecoin settlement pilot
2025-12-17
Crowdfund Insider
Cross River Bank, Highnote to Offer Stablecoin Settlment in Partnership with Visa Pilot
2025-12-17
Company data provided by crunchbase