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# Lead Software Engineer in Mundelein

- **Company:** Energy Jobline
- **Location:** Mundelein, IL, United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Amazon Web Services, Microsoft Azure, Cloud Computing, Amazon DynamoDB, Python (Programming Language), PostgreSQL, Node.Js, NoSQL, Next.js, Software Engineering, TypeScript, ReactJS, Retrieval-Augmented Generation, Large Language Models, Prompt Engineering, Software Application Programming, Backend, Fastapi, Graphql
- **Published:** October 31, 2026
- **Apply:** https://www.energyjobline.com/job/lead-software-engineer-mundelein-32119928

## About the Role

* Full-stack experience: 8 to 10 years of professional software engineering experience, including significant full-stack work on customer-facing applications.
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 * Strong front-end experience: for example React, Next.js or TanStack, using JavaScript and TypeScript, or equivalent.
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 * Strong back-end experience: for example Python (FastAPI) or the Node.js ecosystem, or equivalent. Proven experience designing secure, scalable REST and GraphQL APIs is essential.
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 * Cloud experience: hands-on experience with AWS, Azure or GCP, including relational and NoSQL databases such as PostgreSQL or DynamoDB, or equivalent.
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 * AI and LLM experience: experience building applications that consume LLM APIs, with working knowledge of prompt engineering and patterns such as chain-of-thought, ReAct and RAG, plus context window management. Experience integrating AI and ML models into production systems is .