Senior Full Stack Engineer building AI - powered banking software for landlords and real estate investors. Owning React and Node.js features end - to - end in Baselane’s AI - first engineering environment.
About the role
- Software Engineer at Brim developing and maintaining PHP and Python services for fintech. Focusing on scalability and security while mentoring junior engineers in a remote-first environment.
Responsibilities
- Design, build, and maintain PHP and Python services and RESTful APIs across the full stack, with a focus on scalability, security, and long-term maintainability
- Own features from technical design through deployment - making architectural decisions about data models, API contracts, and system interactions
- Work with MySQL, JSON data structures, and third-party integrations across banking cores and payment networks
- Build a deep understanding of our business domain - how credit card programs, rewards, and payment processing work - and use that context to make better engineering decisions
- Contribute to technical planning and cross-functional discussions with product design
- Help junior engineers grow through pairing and knowledge sharing
Requirements
- 3-5 years of professional development experience, with solid OOP fundamentals
- Deep familiarity with RESTful API design, MySQL query optimization, and working with complex data structures
- Experience making architectural decisions - not just implementing specs, but designing solutions
- Comfort working across the full stack and willingness to pick up whatever technology the problem requires
- Ability to work autonomously in a remote, async-first environment while staying well-connected to the team
- Strong written communication for documentation, technical proposals, sync and async discussion
- Comfort with remote-first, sync and async daily collaboration with fluid times
- Bonus if You Have experience in fintech, payments, or credit card infrastructure
- Familiarity with multi-tenant platform architecture or real-time transaction processing
- Experience working with LLM APIs or AI-assisted development tools
- Understanding of security and compliance in regulated environments (PCI DSS, SOC2)
Benefits
- Competitive compensation and equity
- Remote-first workplace
- Comprehensive health plan and PTO
- A team that treats AI as a force multiplier, not a threat
- Real ownership - you'll ship code to production and see its direct impact on partners and cardholders
- Room to grow into senior and leadership roles as the team scales
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