Senior Lead Software Engineer - API Designer

Testing Site - JPMC; Jersey City (NJ); On-site; USD 180,000 - 210,000; Full time

Job summary

JPMorgan Chase is seeking a Senior Lead Software Engineer in the Commercial and Investment Banking team to drive API design and delivery. You will craft RESTful and event-driven APIs, oversee governance, and collaborate with product and architecture teams to build robust, scalable solutions.

Lead prototyping, documentation, and lifecycle management while ensuring security and performance standards across multiple technologies and applications.

Qualifications

• Formal training or certification in software engineering concepts with 5+ years of applied experience.
• Strong understanding of REST, GRPC, and/or event-driven API paradigms.
• Proficiency with API specification tools (OpenAPI/Swagger, RAML, AsyncAPI, Postman).
• Experience with API gateways, management platforms, and developer portals.
• Excellent communication and documentation skills.
• Familiarity with security best practices (OAuth2, JWT, API keys).
• Experience working in Agile/Scrum environments.

Responsibilities

• Design RESTful, GRPC, and/or event-driven APIs using best practices.
• Create and maintain API documentation and usage guides.
• Collaborate with product, engineering, and Architect teams to gather requirements and translate them into API specifications.
• Define and enforce API design standards, style guides, and governance processes.
• Prototype APIs and mock servers to validate designs and facilitate early feedback.
• Developer experience improvements such as versioning, error handling, and discoverability.
• Support full API lifecycle including versioning, deprecation, and backward compatibility.
• Ensure APIs are well-tested and meet performance, security, and reliability standards.
• Stay up-to-date with API trends, tools, and technologies.

Skills

REST APIs

gRPC

Event-driven APIs

OpenAPI/Swagger

RAML/AsyncAPI

Postman

API gateways

Documentation

Security best-practices

Agile/Scrum

Tools

OpenAPI/Swagger

Job description

Be an integral part of an agile team that’s constantly pushing the envelope to enhance, build, and deliver top-notch technology products.

As a Senior Lead Software Engineer at JPMorgan Chase within Commercial and Investment Banking team, you will play a key role in an agile team dedicated to building, enhancing, and delivering trusted, market-leading technology products. You will leverage your deep technical expertise and problem-solving skills to address complex challenges across multiple technologies and applications, driving significant business impact through your contributions.

Key Responsibilities

• API Design: Design RESTful, GRPC, and/or event-driven APIs using best practices and industry standards (e.g., OpenAPI/Swagger, AsyncAPI).
• Documentation: Create and maintain clear, comprehensive API documentation and usage guides.
• Collaboration: Work with product, engineering, and Architect teams to gather requirements and translate them into API specifications.
• Standards & Governance: Define and enforce API design standards, style guides, and governance processes.
• Prototyping: Build API prototypes and mock servers to validate designs and facilitate early feedback.
• Developer Experience: Advocate for and implement features that improve the developer experience, such as versioning, error handling, and discoverability.
• Lifecycle Management: Support the full API lifecycle, including versioning, deprecation, and backward compatibility.
• Quality Assurance: Collaborate with QA and development teams to ensure APIs are well-tested and meet performance, security, and reliability standards.
• Continuous Improvement: Stay up-to-date with API trends, tools, and technologies, and drive continuous improvement in API design practices.

Required Skills & Qualifications

• Formal training or certification in software engineering concepts, with 5+ years of applied experience
• Strong understanding of REST, GRPC, and/or event-driven API paradigms
• Proficiency with API specification tools (OpenAPI/Swagger, RAML, AsyncAPI, Postman, etc.)
• Experience with API gateways, management platforms, and developer portals
• Excellent communication and documentation skills
• Familiarity with security best practices (OAuth2, JWT, API keys, etc.)
• Experience working in Agile/Scrum environments
  

Preferred Qualifications

• Experience with AWS (EKS)
• Knowledge of Micro Services & Domain Driven architecture
• Experience with CI/CD pipelines and automated API testing
• Contributions to open-source API tools or standards