Principal Engineer, API & MCP Platform
Key Responsibilities
- Partner closely with Architecture to define and lead Babel Street’s API and MCP platform strategy
- Design and deliver semantic, agent-ready APIs
- Establish MCP standards and implementation patterns
- Define context management patterns for agent workflows
- Partner with AI and Data teams to enable agent-native architectures
- Establish API governance and platform standards
- Build foundational frameworks and reusable components
- Provide hands-on technical leadership and mentorship
- Partner with Google and other vendors on platform capabilities
- Drive adoption of API and MCP standards across engineering teams
Required Qualifications
- 10+ years of software engineering experience
- Experience operating at Principal Engineer or Staff+ level
- Strong hands-on experience building distributed systems
- Experience designing and building API-first platforms
- Experience with cloud-native architectures (GCP preferred)
- Experience building developer platforms or service-oriented architectures
- Strong system design and architectural thinking skills
- Proven ability to lead cross-team technical initiatives
Preferred Qualifications
- Hands-on work with Google Cloud Platform (GCP)
- Familiarity with Vertex AI Agent Engine
- Background in ADK and reasoning frameworks such as LangChain
- Understanding of the Model Context Protocol (MCP)
- Exposure to data warehouse technologies like BigQuery and Snowflake
- Knowledge of Apigee or similar API gateway solutions
- Proven ability to design semantic APIs for AI or agent-driven use cases
- Experience managing context or building memory systems
- Development of agent-based architectures or orchestration frameworks
- Exposure to Anti-Gravity
Benefits at Babel Street
- Health Benefits: Covers 85-100% monthly premium costs for Medical, Dental, Vision, Life & Disability insurances – for you and your family!
- Retirement Plans: Offers both a Traditional and Roth 401(K) with a very competitive match.
- Unlimited Flexible Leave: Trusts employees to manage their own time and balance personal and work lives.
- Holidays: Provides employees with 12 paid Federal Holidays.
- Tuition Reimbursement: Invests in employees' continuing education through a Tuition Reimbursement Program.
Company Information
Babel Street is the trusted technology partner for the world’s most advanced identity intelligence and risk operations. We deliver advanced AI and data analytics solutions providing unmatched, analysis-ready data regardless of language, proactive risk identification, 360-degree insights, high-speed automation, and seamless integration into existing systems. Babel Street empowers government and commercial organizations to transform high-stakes identity and risk operations into a strategic advantage. The actionable insights we deliver safeguard lives and protect critical assets around the world. Babel Street is headquartered in Reston, Virginia, with regional offices in Boston, MA and Cleveland, OH, and international offices in Australia, Canada, Israel, Japan, and the U.K. For more information, visit www.babelstreet.com.