Quick Summary
About Brim
Brim Financial is a category-defining fintech, building the operating system for credit cards and payments. Our platform powers card programs for banks, credit unions, fintechs, and global brands across North America. We are backed by EDC Growth Equity, Epic Ventures, Vistara Growth, and Impression Ventures and have been recognized as a CB Insights Fintech 100 company and Deloitte Fast 50 and Deloitte Fast 500 winner.
We are looking for a Senior Engineer to lead the architecture and development of core platform systems. This is a high-ownership role where you will design and scale services that process credit card transactions, power real-time rewards globally, and integrate with banking cores and payment networks. The systems you build will directly serve major financial institutions and their millions of end customers.
What You'll Do
- Lead the architecture, development, and optimization of full-stack services using PHP and Python, focusing on scalability, security, and maintainability.
- Design and implement RESTful APIs and microservices for integration with banking cores, payment networks, and institutional partner systems.
- Optimize MySQL performance through query tuning, schema design, and data modeling for high-throughput financial transaction systems.
- Drive engineering standards for quality, testing practices, and CI/CD workflows across the team.
- Provide leadership and influence the team's AI tooling strategy, including evaluating, adopting, and establishing best practices for AI-assisted development.
- Champion security and compliance best practices for a regulated financial services platform.
- Bring deep business understanding to technical decisions, from cardholder experience to settlement.
- Mentor mid-level and junior engineers on system design, full-stack fundamentals, and professional growth.
What You'll Bring
- 6+ years of professional development experience with deep expertise in application architecture and production systems at scale.
- Strong command of MySQL, including query optimization, schema design, and performance tuning.
- Extensive experience with RESTful API design and microservices architecture.
- A track record of making sound technical decisions under ambiguity, including system design, tradeoff evaluation, and leading through influence.
- Comfort working across the full stack, addressing problems regardless of backend or frontend focus.
- Comfort with remote-first, synchronous and asynchronous collaboration, and strong written communication skills.
- Comfort with remote-first, synchronous and asynchronous daily collaboration with fluid times.
- Ability to balance long-term architectural thinking with pragmatic delivery in a fast-moving environment.
Bonus If You Have
- Experience in fintech, payments, credit card infrastructure, or regulated financial services.
- Familiarity with multi-tenant platform architecture or real-time transaction processing.
- Experience with AI-assisted development tools or integrating LLM APIs into production systems.
- Background with PCI DSS, SOC 2, or financial compliance requirements.
What We Offer
- Competitive compensation and equity.
- Remote-first workplace.
- Comprehensive health plan and PTO.
- A team that treats AI as a force multiplier.
- Real ownership, shaping systems and standards.
- Direct influence on the technical direction of a platform serving major financial institutions.
Other Information
- Remote (US/Canada) | Full-Time
- Reason for vacancy: New vacancy
- Salary range: CAD $130,000-$160,000

