Principal Software Engineer; APIs

If you are looking for a game-changing career, working for one of the world's leading financial institutions, you’ve come to the right place.

As a Principal Software Engineer at JPMorgan

Chase within the Home Lending - Originations group, you provide expertise and engineering excellence as an integral part of an agile team to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. Leverage your advanced technical capabilities and collaborate with colleagues across the organization to drive best-in-class outcomes across various technologies to support one or more of the firm’s portfolios.

• Own the design integration and API strategy (REST/GraphQL/gRPC, event-driven) with clear versioning, security, and lifecycle standards.
• Define reusable integration patterns and canonical data contracts aligned to MISMO to ensure consistency and reuse.
• Lead design reviews and maintain reference architectures and ADRs across domains, guiding strategic design decisions.
• Ensure designs meet non-functional requirements for security, resiliency, performance, scalability, cost, and operability.
• Design and oversee Encompass LOS integrations and customizations using Developer Connect, SDK, and plugins.
• Orchestrate Encompass data flows with pricing engines, DU/LP, credit, appraisal, title, eClose, CRM, and document systems.
• Drive platform capabilities for API gateways, event streaming, identity/authorization, webhook integration etc
• Establish SLIs/SLOs, resiliency patterns, and telemetry standards to improve reliability and reduce MTTR.
• Mentor engineers and product partners on strategic design, integration best practices, and platform-thinking.
• Design and ideate PoCs experiment andand enforce governance for schema versioning, backward compatibility, and data lineage.

• Formal training or certification on software engineering concepts and 10+ years applied experience
• Deep expertise designing and governing REST/GraphQL/gRPC APIs and event-driven architectures at enterprise scale.
• Hands-on Encompass LOS experience including Developer Connect APIs, SDK/plugins, business rules, and pipeline automation.
• Strong mortgage domain knowledge including MISMO 3.4+, UCD, HMDA, DU/LP workflows, and TRID/RESPA impacts
• Proficiency with Kafka or equivalent streaming platforms and robust messaging patterns with DLQs and idempotency.
• Excellent communication and mentoring skills with a BS in CS or related field
• Experience in Computer Science, Computer Engineering, Mathematics, or a related technical field