Bastion - Senior Software Engineer

• Take ownership of a service or capability across our product, with an eye toward production-readiness • Lead a medium-scope project: updating an API contract, implementing a partner integration, or improving robustness of a critical path • Strengthen reliability with better logging, tracing, alerts, and failure handling • A delivered feature or refactor that improves a product metric, SLO, or developer ergonomics • You're a go-to person for your service domain • Lead a cross-service initiative, such as an API versioning plan, a data model migration, or a compliance-driven workflow change • Shape technical direction with design docs and mentoring • Partner with product and compliance to make pragmatic, regulation-aware tradeoffs • A multi-sprint delivery that simplifies the system and unlocks product velocity • Clear before/after reliability or performance improvements • Documentation and designs that help others ship faster and safer • Some challenges you might tackle • Designing stable, evolvable APIs for custody, transfers, or issuance without breaking downstream clients • Building idempotent job flows for high-throughput transfers with strong audit trails • Hardening key operations using hardware-backed isolation and robust key policies • Improving p95 latency through query tuning, caching, or backpressure strategies • Navigating tradeoffs between product velocity and compliance requirements in a regulated environment • Building services that integrate with banking partners and crypto infrastructure providers • Your team's typical stack • Languages: Go and TypeScript/Node.js; some services in Rust as needed • Service patterns: gRPC and REST; GraphQL/tRPC at the edge for frontend BFFs • Data and async processing: Postgres, Redis, Kafka • Workflow Management: Temporal • Infra: AWS, containers, Kubernetes, Terraform; hardware-backed key isolation with Nitro Enclaves for sensitive operations • Observability and ops: Datadog, Grafana, Sentry, Incident.io