Senior .NET Full-Stack Engineer - Angular & Python

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

Job summary

Ethereum Technologies in Chicago, IL, is seeking a Senior Full Stack .Net Engineer to turn a data insight proof of concept into a production application. You will build agentic workflows, develop Angular UI, .NET APIs, and Python services, and ensure reliable pipelines and data access controls.

The role focuses on evaluating results, integrating automated checks, and maintaining performance across CI/CD with security considerations. US work authorization is required.

Qualifications

• Experience building complex web applications using Angular and .NET APIs.
• Strong Python services/workflows experience is a plus.
• Knowledge of data insights, ETL or data platforms is beneficial.

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.

Skills

Angular

Python

.NET

Job description

Ethereum Technologies in Chicago, IL, is seeking a Senior Full Stack .Net Engineer to turn a data insight proof of concept into a production application. You will build agentic workflows, develop Angular UI, .NET APIs, and Python services, and ensure reliable pipelines and data access controls.

The role focuses on evaluating results, integrating automated checks, and maintaining performance across CI/CD with security considerations. US work authorization is required.