Senior Principal Engineer (US)

Bentley Systems • Philadelphia, PA

39d • Hybrid

About The Position

Bentley Systems is seeking a delivery-focused Senior Principal Engineer to build, own, and rapidly deliver the end-to-end technical architecture of the Bentley Developer Platform. The platform includes the front-end developer experience, API gateway, standards, authentication, metering, and billing infrastructure for Bentley’s developer APIs and MCP servers.

This is a hands-on technical leadership role. The engineer will set architectural direction, write production code, review pull requests, and serve as the senior technical authority who helps resolve difficult engineering decisions. They will work closely with Product and engineering teams across the API portfolio to develop and maintain API design standards, security models, and integration patterns.

The role is hybrid and based in Bentley’s Philadelphia, Pennsylvania office. Bentley Systems is an infrastructure engineering software company with 5,200 colleagues and annual revenues of more than $1 billion, serving customers in 194 countries.

Requirements

• 12 or more years of software engineering experience and significant experience architecting large-scale systems.
• Proven ability to own comprehensive developer platform architecture, from the front-end developer experience through the API registry, including commercialization, adoption, support, and analytics.
• Deep, hands-on experience evaluating, implementing, and operating enterprise API management and integration platforms such as MuleSoft, Apigee, Kong, or Workato, as well as developer portal frameworks such as Backstage.
• Track record of architecting and assembling a new API platform by integrating enterprise tools and writing custom software when needed to create a seamless, customer-facing developer experience.
• Experience partnering closely with Product teams to define and establish global API standards that enable monitoring, authentication, metering, and registration.
• Strong technical expertise in OAuth 2.0/OIDC, token handling, and platform security models.
• Hands-on experience engineering distributed systems, event streaming, API gateways, routing, usage-based billing pipelines, and ERP/settlement integrations.
• Hands-on coding ability and communication skills to work credibly and collaboratively with multiple product engineering teams.

Nice To Haves

• Familiarity with AI/agent integration patterns and MCP.

Responsibilities

• Define and execute the developer platform architecture, including the API gateway, authentication, metering, billing integration, and settlement, ensuring the platform is extensible and cloud-native.
• Own end-to-end platform architecture from the developer experience through the registry, including commercialization, adoption, support, monitoring, and analytics.
• Work with the Product team to establish API standards that support monitoring, authentication, metering, and registration.
• Write production code, review pull requests, remain the senior hands-on technical contributor, and unblock engineers on the critical path.
• Serve as the primary technical interface among the Developer Platform, Product & Technology, and product engineering teams.
• Collaborate with product teams to develop and publish API Design Standards v1 that reflect their technical needs and are adopted in practice.
• Define and govern platform standards, including the telemetry schema, hub listing requirements, and security and integration patterns across API families.
• Establish IMS OAuth as the standard authentication model across platform surfaces.
• Define and document migration paths for existing APIs to meet platform standards.
• Ensure AI and MCP surfaces are first-class parts of the platform architecture and taxonomy, with documented agent integration patterns alongside REST APIs.
• Partner with the Engineering Manager on technical hiring, team structure, and delivery sequencing.
• Partner with the CIO organization on enterprise application and ERP integration and unified architecture.

Benefits

• Attractive salary and benefits package.
• Bentley Impact Day: a day off work to volunteer with an organization of your choice.
• Colleague recognition award programs and the Bentley Achievers platform.
• Global initiatives and resource groups supporting inclusion, belonging, and colleague wellbeing.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed