Software Engineer, Backend
Backend engineer owning financial systems including transaction authorization, credit decisioning, and payment processing. Requires 5+ years building production backend systems, Go proficiency, distributed systems experience, and AI tool adoption.
About the job
Responsibilities
- Own critical financial systems end-to-end: transaction authorization, ledger accounting, credit decisioning, rewards engines, and payment processing
- Build net-new products and improve existing systems as the company expands into new financial products and rewards platform
- Contribute to foundational platform work: shared services, API infrastructure, and developer tooling
- Leverage AI tools across the stack for prototyping, testing, and production code
- Work cross-functionally with product, design, infrastructure, compliance, solutions engineering, and brand partners
- Participate in on-call rotations and incident response including root cause analysis
Requirements
- 5+ years of experience building production backend systems (fintech experience a plus)
- Experience building services that handle real money, real users, or real-time decisions
- Proficiency in Go (primary backend language) or similar language with willingness to ramp quickly
- Experience using AI tools (code assistants, MCP servers, agentic workflows) to accelerate development, or genuine enthusiasm to adopt them
- Experience ensuring data consistency and transactional integrity across distributed systems
- Strong with relational databases: schema design, migrations, and query performance tuning
- Comfortable designing API contracts consumed by internal frontends and external partners
- Experience with cloud infrastructure (AWS), CI/CD pipelines, and deployment tooling
- Participation in on-call rotations and incident response
- Clear communication and collaboration across product, design, and engineering teams
- Ability to thrive in ambiguous environments and make pragmatic tradeoffs
Nice-to-Haves
- Fintech experience
Stack
Go, MySQL, DynamoDB, Temporal, Kafka, Kubernetes, AWS, GitHub Actions, Datadog, Statsig
Perks & Benefits
- Competitive compensation and equity packages
- Leading configured work computers of your choice
- Flexible paid time off
- Fully covered, high-quality healthcare including dependent coverage
- Access to One Medical and FSA option
- 20 weeks of paid parental leave for primary caregiver and 8 weeks for all new parents
- Access to industry-leading technology across business units
Skills
Go, MySQL, DynamoDB, Temporal, Kafka, Kubernetes, AWS, GitHub Actions, Datadog, Statsig
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