Senior .NET Full-Stack Engineer – AI-Driven Apps (Angular/Python)

Quantum Technologies. LLC; Chicago (IL); On-site; USD 120,000 - 170,000; Full time

Job summary

Quantum Technologies. LLC in Chicago seeks a Senior Full Stack .NET Engineer (Angular and Python) to turn a data insight proof of concept into a production application.

The product helps users explore healthcare reporting data, ask follow-up questions, and understand findings supported by source evidence. You will build agentic workflows and the user experience around them, with ownership of evaluation and quality pipelines that make the application reliable as it evolves.

Qualifications

• Professional software development experience delivering secure, scalable enterprise apps.
• Hands-on experience building agentic apps with LLMs, tool calls and multi-step workflows.
• Experience building evaluation and quality pipelines for AI apps with datasets and scoring.
• Strong full stack skills: Angular, .NET Web APIs, Python and enterprise integration.
• Strong SQL and data analysis with traceability and data quality focus.
• Experience in Python programming (intermediate).
• Azure cloud-native apps, CI/CD, unit/integration testing and end-to-end testing.
• Authentication, authorization, secure API design, observability, async processing.
• Strong problem-solving and communication; independent and collaborative work.

Responsibilities

• Build and operate agentic applications interpreting user intent and managing context.
• Develop the Angular UI, .NET APIs, and Python services with enterprise integration.
• Own evaluation pipelines: curate datasets, define rubrics, and combine automated checks with human review.
• Evaluate answer correctness, evidence, tool selection, and end-to-end task success.
• Integrate evaluations and tests into CI/CD; guardrails between prompts and releases.
• Monitor production quality, latency, cost, and failures; create reproducible test cases.

Skills

Full stack development

Agentic applications

Evaluation pipelines

Angular/.NET/Python

SQL analytics

Python programming

Azure/CI-CD

Auth/observability

Problem solving

Education

Engineering degree (BE/ME/BTech/MTech/BSc/MSc)

Technical certification desirable

Job description

Quantum Technologies. LLC in Chicago seeks a Senior Full Stack .NET Engineer (Angular and Python) to turn a data insight proof of concept into a production application.

The product helps users explore healthcare reporting data, ask follow-up questions, and understand findings supported by source evidence. You will build agentic workflows and the user experience around them, with ownership of evaluation and quality pipelines that make the application reliable as it evolves.