Lead Api Engineer Jobs (NOW HIRING)

Job Summary:
InterSources Inc is seeking an API Lead Engineer to lead the design and delivery of enterprise technology platforms focused on API-first architecture and AI-native enablement. This role involves collaborating with senior leaders to drive alignment with business and technology strategies while mentoring engineering teams to improve practices and outcomes.
Responsibilities:
• Lead API and Platform Strategy: Serve as the technical advisor for API standards, architecture patterns, orchestration, gateways, mediation, observability platforms, driving cohesive platform design and scalable integration.
• Modernize for AI Enablement: Design strategies, architecture patterns, and reusable templates to modernize APIs and platforms for AI-native capabilities, including agent-to-agent communication and intelligent system integration.
• Architect Scalable Platforms: Design and implement secure, cloud-native platforms using microservices, service mesh, and container orchestration, with emphasis on API & Agent Gateway, monitoring, and observability.
• Drive Lifecycle Governance: Innovate in API lifecycle management, including governance, versioning, deprecation, migration strategies, and platform observability.
• Collaborate on Enterprise Standards: Partner with enterprise architects and senior leaders to define standards, evaluate technologies, and publish strategic roadmaps that balance short-term execution with long-term vision.
• Mentor and Scale Engineering Excellence: Guide engineering teams in best practices for API design, platform engineering, and AI integration, fostering a culture of innovation, operational excellence, and continuous learning.
• Operationalize Tools and Platforms: Lead the identification, evaluation, and adoption of technical platforms and tools that support enterprise architecture, security, and scalable implementation.
• Influence Strategic Decisions: Partner with product managers and engineering leaders to make key architectural decisions, ensuring technical feasibility, scalability, and alignment with business goals.
• Track Emerging Trends: Monitor emerging technologies and assess their impact on the enterprise tech stack, contributing to strategic planning and innovation.
• Ensure Compliance and Best Practices: Enforce adherence to architectural standards, design patterns, data privacy regulations, and best practices across systems and platforms.
• Lead Technology Selection: Drive or support the evaluation and implementation of enterprise technologies that align with strategic and operational objectives.
Qualifications:
Required:
• Bachelor's or master's degree in computer science, engineering, or a related field.
• 15+ years of experience in software development, architecture, and enterprise software delivery.
• Deep proficiency in cloud-native, service-oriented, and modernization architectures, including microservices, event-driven systems, and composable architecture (MASA).
• Full-stack engineering experience with backend and frontend technologies (e.g., Java, Python, .NET/C#, React, Node.js, Typescript) with experience in CI/CD, scripting, and integrations.
• Extensive experience building scalable API services using REST, GraphQL, gRPC, and async protocols, with deep expertise in Domain-Driven Design, Microservices Architecture, Enterprise Integration Patterns, and Event-Driven Architecture.
• Proven experience designing and implementing scalable platforms using service mesh (Istio, AWS Lattice etc.), container orchestration (Docker, Kubernetes), and API Gateway platforms (preferably AWS).
• Hands-on experience with integration frameworks and messaging systems such as Apache Camel and managed service Kafka.
• Proficiency using SQL and NoSQL Databases.
• Coordinate with DevOps team and have familiarity with DevOps practices and tools: Terraform, Jenkins, GitHub/GitLab CI/CD, and infrastructure-as-code.
• Deep understanding of secure programming practices, cloud security principles, and compliance frameworks.
• Experience with monitoring & observability platforms including Open Telemetry, Prometheus, Grafana, and OpenSearch.
• Advanced API security expertise including OAuth 2.1/2.0, JWT, rate limiting, RBAC/ABAC, mTLS, DDoS protection, Zero Trust, and OWASP API Security Top 10.
• Exceptional ability to mentor engineers, influence technical direction across teams, and thrive in complex, cross-functional environments.
• Skilled in communicating technical concepts to diverse audiences and driving strategic initiatives through business cases and impact acceleration.
• Experience participating in and responding to technology audits and risk assessments.
Preferred:
• MCP and AA are now a preferred requirement.
• Experience with emerging protocols (MCP, A2A, ACP) is preferred but not required.
Company:
InterSources Inc. solves operational problems where protection, performance, compliance, AI, and workforce capability must work together. Founded in 2007, the company is headquartered in Fremont, USA, with a team of 501-1000 employees. The company is currently Late Stage.