Spark Tek Inc · 3 months ago
AI Engineer
San Jose, CA
Full-time
Onsite
Mid LevelSpark Tek Inc is a company focused on innovative technology solutions, and they are seeking an AI Engineer to design and implement scalable AI systems. The role involves writing production-quality code, developing generative AI systems, and integrating various components to optimize performance and functionality.
AnalyticsArtificial Intelligence (AI)Cloud ComputingConsulting
Responsibilities
Write, test, and deploy production-quality code with a strong focus on scalability and performance
Design and implement end-to-end systems including API, database, and application layers
Consider memory usage, performance optimization, and modular architecture in code design
Follow modern DevOps practices for deployment and environment management
Write clean, modular Python code with proper environment management (virtualenv, poetry, conda)
Build and deploy RESTful APIs using frameworks like FastAPI or Flask
Connect applications to relational and NoSQL databases
Containerize applications using Docker and deploy in Kubernetes / cloud environments
Write and optimize SQL and PL/SQL queries for data retrieval and transformation
Integrate database logic effectively into application workflows
Understand how Large Language Models (LLMs) work — architecture, limitations, and tuning methods
Design and implement RAG (Retrieval-Augmented Generation) systems:
Build pipelines connecting vector databases, LLMs, and application layers
Optimize retrieval and response accuracy through prompt engineering and context management
Apply best practices and advanced RAG techniques (chunking strategies, caching, query re-ranking)
Develop and manage prompt templates, parameter configurations, and evaluation metrics
Understand AI agents, their lifecycle, and how they integrate with tools and APIs
Implement tool calling and human-in-the-loop workflows
Design multi-agent architectures using frameworks such as LangChain or LangGraph
Apply agent orchestration best practices, ensuring reliability, observability, and control
Qualification
Required
Strong understanding of software design principles and ability to think like a developer (language agnostic)
Proficiency in Python with good exposure to building APIs, database integration, and container-based deployment
Working knowledge of SQL / PL-SQL for querying and joining data
Experience in developing or integrating GenAI or RAG-based systems using OpenAI, Anthropic, or similar models
Familiarity with LangChain, LangGraph, or similar frameworks for AI workflow orchestration
Strong debugging, optimization, and analytical skills
Excellent communication and collaboration abilities in a fast-paced environment
Preferred
Exposure to cloud platforms (AWS, GCP, Azure) for AI workload deployment
Experience with vector databases (FAISS, Pinecone, Weaviate, or Chroma)
Knowledge of monitoring and observability tools for AI systems
Familiarity with CI/CD pipelines, GitOps, and infrastructure automation
Company
Spark Tek Inc
Spark Tek Inc offers IT solutions and consultancy services, specializing in IT services and consulting for various industries.
Founded in 2021
51-200 employees
H1B Sponsorship
Spark Tek Inc has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (10)
2024 (16)
2023 (14)
Funding
Current Stage
Growth StageCompany data provided by crunchbase