Fullstack Engineer

Posted at: 08/20/2025

Sunnyvale, CA

  -  IT - Java Development  -  Contract  -  Job ID: 25-15720

Fullstack Engineer
Location: SCV or Austin

ABOUT THIS FEATURED OPPORTUNITY

We are seeking a Fullstack Engineer to help design and build a next-generation, AI-driven finance application. This role focuses on developing a web-based React-driven UI and a FastAPI backend that integrates with Gen AI and ML tools to power enterprise-scale financial workflows. You will architect scalable APIs, implement an encapsulated database solution for AI finance teams, and ensure performance excellence through load testing with Redis and Grafana.

THE OPPORTUNITY FOR YOU

As a Fullstack Engineer, you will:

  • Build a React + FastAPI fullstack application leveraging Gen AI and ML tools for finance use cases.

  • Develop and optimize APIs that interact with major databases such as Snowflake or Ingres.

  • Work closely with AI finance teams to build and maintain encapsulated database solutions.

  • Integrate LLMs into the backend for real-time data interactions, responses, and storage pipelines.

  • Ensure application performance and scalability through load testing (Grafana, Redis), and present benchmarking insights to the engineering team.

  • Deliver an enterprise-scale internal application that supports high availability, resilience, and scalability.

KEY SUCCESS FACTORS (Top 3 Must Haves)

  1. Fullstack Development Expertise (5–7 years)

    • Strong proficiency in Java, React, and FastAPI.

    • Proven track record of API development with portfolio/artifacts to showcase.

    • Hands-on experience with major databases ( Snowflake, Ingres), Redis caching, and Grafana load testing.

    • Ability to define benchmarks and present performance metrics to engineering teams.

  2. Gen AI & Backend Integration

    • Hands-on experience with LLMs in production environments.

    • Skilled in building backend services that interact with AI models, process data, and store results in databases like Snowflake or Ingres.

    • Familiarity with 3rd-party AI tools such as Hugging Face or internal enterprise AI platforms.

  3. Enterprise Application Development

    • Experience delivering large-scale, internal enterprise applications.

    • Strong documentation practices and ability to support cross-functional collaboration.

    • Proven ability to design for scalability, resilience, and performance in production environments.

 

Our benefits package includes: 

  • Comprehensive medical benefits
  • Competitive pay
  • 401(k) retirement plan
  • …and much more!

About INSPYR Solutions
Technology is our focus and quality is our commitment. As a national expert in delivering flexible technology and talent solutions, we strategically align industry and technical expertise with our clients' business objectives and cultural needs. Our solutions are tailored to each client and include a wide variety of professional services, project, and talent solutions. By always striving for excellence and focusing on the human aspect of our business, we work seamlessly with our talent and clients to match the right solutions to the right opportunities. Learn more about us at inspyrsolutions.com.

INSPYR Solutions provides Equal Employment Opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, or genetics. In addition to federal law requirements, INSPYR Solutions complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities

 

25-15720

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