Staff Backend AI Platform Engineer

We are seeking a Backend AI Platform Engineer to lead the development of core backend services powering our Agentic AI this role you will be the primary technical driver for building reasoning-driven agents multi-agent orchestration and outcome-based workflows.

You will collaborate with the Principal AI Architect to bridge the gap between high-level design and scalable implementation. You will own the development of high-performance APIs and orchestration runtimes integrating frameworks like LangChain LangGraph and LangSmith. This role is highly hands-on and requires a technical leader who can navigate a fast-paced environment while maintaining high engineering standards.

Key Responsibilities

Platform Backend Development

• Lead Implementation: Act as the lead engineer for agent runtime orchestration services focusing on reasoning planning and tool invocation.
• API & SDK Design: Own the development of robust APIs and SDKs that enable internal and external teams to build and deploy agent workflows.
• State & Memory Management: Build and optimize stateful dialog management and memory services for multi-turn context-aware agents.
• Agent Communication: Implement multi-agent communication (A2A) protocols and shared context systems.

System Architecture & Execution

• Microservices Leadership: Execute the transition to cloud-native event-driven backend services using microservices or service mesh architectures.
• Workflow Design: Build and manage task scheduling and long-running operations using tools like Temporal or Airflow.
• Performance Optimization: Optimize LLM orchestration for performance and cost through caching batching and token monitoring.

Integrations & Data Services

• Data Pipeline Ownership: Implement and maintain RAG pipelines and integrations with vector databases (e.g. Pinecone Weaviate FAISS).
• Telemetry Integration: Ensure all backend services support LangSmith-based evaluation and comprehensive observability.

Security & Reliability

• Tenant Isolation: Implement RBAC API authentication and multi-tenant isolation logic.
• Engineering Excellence: Set the standard for automated testing (unit integration load) and implement OpenTelemetry for full system visibility.
• Mentorship: Provide technical guidance and code reviews for more junior backend engineers on the team.

Qualifications :

Required Qualifications:

• 6 years of backend engineering experience.
• 1-2 years of hands-on experience in AI/ML platform development.
• Expert Proficiency: Strong programming skills in Java and Python.
• Framework Expertise: Hands-on experience with LangChain LangGraph or LangSmith.
• Distributed Systems: Deep understanding of event-driven architectures microservices and Kubernetes.
• Cloud & Data: Solid experience with AWS Terraform and a mix of relational (PostgreSQL) and Vector databases.
• Orchestration: Practical experience with workflow engines like Temporal or Airflow and messaging systems like Kafka.

Preferred Qualifications:

• Experience with AI-driven planning systems or dialog state tracking.
• Background in enterprise security (RBAC SSO OAuth2).
• Experience working in a high-growth SaaS or startup environment.
• Active contributions to open-source backend or AI frameworks.

Additional Information :

Please note this is a hybrid role with onsite expectations of 3x/week (Tues - Thurs) from our San Mateo CA headquarters. 

The annual base salary range for this position is $225000- $278000. This role is also eligible for a target bonus. 

Compensation is based on a variety of factors including but not limited to location experience job-related skills and level. 

Freshworks offers multiple options for dental medical vision disability and life insurance. Equity ESPP flexible PTO flexible spending commuter benefits and wellness benefits are also offered. Freshworks also offers adoption and parental leave benefits. 

At Freshworks we have fostered an environment that enables everyone to find their true potential purpose and passion welcoming colleagues of all backgrounds genders sexual orientations religions and ethnicities. We are committed to providing equal opportunity and believe that diversity in the workplace creates a more vibrant richer environment that boosts the goals of our employees communities and business. Fresh vision. Real impact. Come build it with us.

Remote Work :

No

Employment Type :

Full-time