Sr. Software Engineer (Payments) - Bloomerang

About the Role

As a Senior Software Engineer at Bloomerang, you will join the 'Paid in Dreams' team, which owns the payments infrastructure. You will be a hands-on engineer responsible for designing, building, and shipping production software that powers nonprofit fundraising. You will work with a stack including .NET/C#, TypeScript/Node, React, and SQL.

What You Will Do

• Engineering: Design, build, and test features across the payments stack, from processor APIs and webhooks to donor-facing UIs.
• AI Integration: Utilize agentic AI tools daily to accelerate delivery while maintaining architectural guardrails and conventions.
• Reliability & Security: Ensure payment flows remain secure, reliable, and observable. Debug production issues and improve legacy code incrementally.
• Collaboration: Review code, pair with teammates, and represent the payments team in cross-functional initiatives.

What You Need to Succeed

• AI Fluency: Hands-on experience taking AI-assisted work to production in large, established codebases.
• Technical Depth: Strong experience as a senior engineer. Deep understanding of software architecture (OO design, distributed systems, event-driven architecture, asynchronous programming, and relational databases).
• Payments Expertise: Experience with modern payment processing at scale (Stripe, PayPal, or similar). Familiarity with API rate limits, queuing, retries, and failure modes.
• Product Mindset: Ability to connect technical work to business goals and the user experience of nonprofits and donors.
• Communication: A collaborative spirit, thriving in a tight-knit team that communicates daily.

Benefits

• Health & Wellness: Comprehensive health, vision, and dental insurance, plus 24/7 access to healthcare services.
• Time Off: Competitive PTO package including 20 PTO days, 3 flex days, 4 volunteer days, 12 paid holidays, and paid parental leave.
• Future Planning: 401k match program.
• Equipment: All necessary hardware shipped to your door.