Energy Markets Backend-Focused Fullstack Engineer (Hybrid)

Yesenergy; Boulder (CO); Hybrid; USD 95,000 - 115,000; Full time

Benefits offered by this job

Medical insurance

401(k) Plan

Flexible vacation

Flexible work schedules

Job summary

Yes Energy in Boulder, CO is seeking a Full Stack Engineer with a strong back‑end focus to design, build, and scale our energy market platform. You’ll develop services powering settlement processing, bid submission, market workflows, and platform APIs supporting customers in wholesale electricity markets.

This is primarily a back‑end role, with front‑end work limited to occasional needs. You’ll use C#/.NET, SQL Server, and AI‑assisted tools to boost productivity, collaborate with Product and QA,

Qualifications

• 3+ years of software engineering experience.
• Strong C#/.NET development skills.
• Experience building REST APIs and distributed services.
• Strong SQL Server and database design experience.
• Working knowledge of JavaScript.
• Experience working across the software development lifecycle.
• Strong debugging and problem‑solving skills.

Responsibilities

• Design, build, and maintain back‑end services using C#/.NET.
• Develop APIs supporting bid submission, settlement processing, and market workflows.
• Build reliable integrations between platform components.
• Design and optimize SQL Server databases and queries.
• Contribute to front‑end functionality using JavaScript when needed.
• Write automated tests and participate in code reviews.
• Diagnose and resolve production issues.
• Collaborate with Product, QA, and other engineering teams to deliver customer‑facing capabilities.
• Use AI‑assisted engineering tools to improve development efficiency and code quality.

Skills

3+ years software engineering

C#/.NET

REST APIs

SQL Server

JavaScript

SDLC

Troubleshooting

Tools

AI‑assisted development tools

Job description

Yes Energy in Boulder, CO is seeking a Full Stack Engineer with a strong back‑end focus to design, build, and scale our energy market platform. You’ll develop services powering settlement processing, bid submission, market workflows, and platform APIs supporting customers in wholesale electricity markets.

This is primarily a back‑end role, with front‑end work limited to occasional needs. You’ll use C#/.NET, SQL Server, and AI‑assisted tools to boost productivity, collaborate with Product and QA,