Senior .NET Full-Stack Engineer (Angular + Python) - Chicago

Valiant Technologies LLC; Chicago (IL); On-site; USD 72,000 - 102,000; Full time

Job summary

Valiant Technologies LLC is seeking a Senior Full Stack .Net Engineer with Angular and Python expertise to turn a Data Insight proof of concept into a production application.

You will own the development of the Angular UI, .NET APIs, and Python agent services, and build agentic workflows, evaluation pipelines, and CI/CD integration to ensure quality and reliability as the product evolves. This role is based in Chicago with US work authorization.

Qualifications

• Senior Full Stack .Net Engineer with Angular and Python experience.
• Experience turning proof-of-concept into production applications in healthcare analytics.
• Ability to build agentic workflows and evaluation pipelines.

Responsibilities

• Build and operate agentic applications that interpret user intent, manage conversation context, call tools and APIs, and carry out multi-step analysis with appropriate user review.
• Develop the Angular user experience, .NET APIs, and Python agent services, integrating with existing reporting systems, authentication, and data access controls.
• Own the evaluation pipeline: curate representative datasets with domain experts, define scoring rubrics and acceptance criteria, and combine automated checks with human review.
• Evaluate answer correctness, supporting evidence, tool selection and execution, and end-to-end task success, including ambiguous requests, unsupported questions, and failure scenarios.
• Integrate evaluations and regression tests into CI/CD. Version prompts, evaluation datasets, and configuration; compare changes against baselines and enforce quality gates before release.
• Monitor production quality, latency, cost, and failures through traces and user feedback. Turn observed failures into reproducible test cases and measurable improvements.
• Implement reliable execution with timeouts, retries, cancellation, durable state, and recovery, while protecting sensitive data and enforcing authorization at tool and data boundaries.
• Work with product owners and domain experts to validate analytical findings, preserve source traceability, and communicate uncertainty and application limitations clearly.

Skills

Angular

.NET

Python

CI/CD

Job description

Valiant Technologies LLC is seeking a Senior Full Stack .Net Engineer with Angular and Python expertise to turn a Data Insight proof of concept into a production application.

You will own the development of the Angular UI, .NET APIs, and Python agent services, and build agentic workflows, evaluation pipelines, and CI/CD integration to ensure quality and reliability as the product evolves. This role is based in Chicago with US work authorization.