Software Engineer (Python Backend)

Software EngineerDuration: 6-12+ Months Contract Location – 2-3 days / week in the client's Irvine, CA office, 1 day in their downtown LA, CA office, 1 day remote... Onsite Requirement – Yes Number of days onsite – 4 daysMust Have SkillsPython backend developmentAgent-based / agent-oriented workflow developmentAPI development and system integrationLLM-enabled application development (prompt & context management, structured outputs)Retrieval-based systems (vector search, indexing, embeddings)AWS cloud-native developmentCI/CD and environment managementObservability (logging, metrics, tracing)Domain Experience (If any) – AI-enabled enterprise workflows, agent-based systems, retrieval-augmented applicationsClient Job Description: Context & ObjectiveWe are engaging a software engineer to support the design and delivery of agent-based, AI-enabled workflows that integrate with enterprise systems. The contractor will work closely with internal teams and business stakeholders to translate use cases into robust, scalable solutions.Backend & Agent-Oriented EngineeringBuild and maintain Python-based backend services supporting:Agent orchestration (supervisor/sub-agent patterns)APIs and system integrationsMulti-step, asynchronous workflowsApply strong engineering practices (testing, code quality, error handling).AI / LLM-Enabled Application DevelopmentDeliver LLM-enabled features end to end, including:Prompt and context managementStructured outputs and validationData Engineering for Retrieval-Based SystemsDesign and operate retrieval pipelines to support grounding and context enrichment, including:Vector search and similarity retrievalSearch and indexing solutionsObject storage for source content and embeddingsCaching for performance and scalabilityCloud-Native DeliveryDeploy and operate services primarily on AWS, following best practices for:IAM and securityScalability, resiliency, and availabilityCI/CD and environment managementIntegration & UX EnablementIntegrate with enterprise tools and services via secure APIs and gateways. Support React-based front-end patterns and collaboration integrations to enable effective user experiences.Observability & OperationsImplement logging, metrics, and tracing across agent workflows, model calls, and integrations. Support incident diagnosis, performance tuning, and ongoing optimization.Working with the BusinessEngage directly with business stakeholders to:Translate use cases into technical designs and acceptance criteriaCommunicate trade-offs across quality, cost, risk, and delivery timelines