Senior Backend API Engineers
Core
Design, build, and operate enterprise-grade GraphQL and REST APIs, cloud-native microservices, and developer platforms for digital products, AI applications, and business workflows.
Role type
Senior Backend API Engineer (80% engineering, 20% data platform integration)
Builds
Scalable API services, MCP servers for AI agents, reusable SDKs, and observability solutions
Domain
Financial services / Cloud-native backend engineering / AI-assisted development
Required skills
TypeScript, GraphQL, REST API design, Node.js, Microservices, OAuth2/JWT, CI/CD, AWS, Terraform, Splunk, Event-driven architecture, Git, Claude Code
Preferred skills
Enterprise-scale API platforms, AI/ML backend services, Agentic AI workflows, Regulated environments, High-volume production systems
Technologies
TypeScript, Node.js, GraphQL, REST, AWS, Terraform, Splunk, PagerDuty, Honeycomb, OpenTelemetry, Databricks, AWS Redshift, AWS Glue, Apache Spark
Responsibilities
Design and develop scalable GraphQL and REST APIs; Build cloud-native microservices; Implement secure APIs using OAuth2, JWT, and OpenID Connect; Develop event-driven and asynchronous processing solutions; Create reusable SDKs and developer enablement tools; Implement observability, logging, and monitoring; Optimize service performance, scalability, and resiliency; Integrate backend services with cloud data platforms (Databricks, Redshift, Glue); Support data-pipeline development and data-movement patterns; Participate in architecture reviews and code reviews; Use AI coding tools to accelerate development.
Seniority
Senior, hands-on IC