Senior Python Backend Lead (Hybrid) – AI/LLM API Expert

TEKsystems; San Antonio (TX); Hybrid; USD 96,000 - 124,000; Full time

Benefits offered by this job

Medical, dental & vision

401(k) Retirement Plan

Life Insurance

Disability insurance

Health Spending Account (HSA)

Transportation benefits

PTO / Vacation / Sick Leave

Job summary

TEKsystems in San Antonio, TX seeks a Senior Backend Engineer with 10+ years of Python and FastAPI experience to design and maintain production-grade APIs. The role will leverage AWS or GCP, and integrate external AI/LLM providers, not build ML models.

You’ll work within a microservices architecture, ensuring security, observability and high availability, with occasional React exposure. The position is a 12-month contract with a hybrid work model (4 days onsite, 1 day remote) in San Antonio, TX,

Qualifications

• Senior Backend Engineer with 10+ years of Python and FastAPI experience.
• Experience deploying production APIs in AWS or GCP and supporting live systems.
• Familiar with integrating external AI/LLM providers rather than building ML models.
• Comfortable with microservices, event-driven architectures, queues, caching, and HA.

Skills

Python

FastAPI

Backend engineering

AWS

GCP

Microservices

Event-driven

Caching strategies

High availability

Authentication & security

Observability

Production support

React exposure

Job description

TEKsystems in San Antonio, TX seeks a Senior Backend Engineer with 10+ years of Python and FastAPI experience to design and maintain production-grade APIs. The role will leverage AWS or GCP, and integrate external AI/LLM providers, not build ML models.

You’ll work within a microservices architecture, ensuring security, observability and high availability, with occasional React exposure. The position is a 12-month contract with a hybrid work model (4 days onsite, 1 day remote) in San Antonio, TX,