Fullstack Engineer

Yes Energy•Boulder, CO

3d•Hybrid

About The Position

Join the Market Leader in Electric Power Data and Analytics Solutions The electrical grid is the largest and most complicated machine ever built. Yes Energy’s industry-leading electric power trading analytics software provides real-time visibility into the massive amount of data generated by the North American electrical grid daily. Our unique and innovative view of the data informs real-time trading decisions and mid-to-long-term investment decisions that keep utility prices low, support the energy transition, and keep the grid running. It’s both challenging work and work with a purpose. Be a part of our successful, growing business during international transformation. Position Summary We're looking for a Full Stack Engineer with a strong back-end focus to help build and scale our energy market platform. You'll develop services that power settlement processing, bid submission, market workflows, and platform APIs supporting customers participating in wholesale electricity markets. While this is a full-stack role, most work is on the back end. Front-end work is expected but is generally limited in scope. Modern AI-assisted development tools are part of our engineering workflow and are expected to improve productivity across both front-end and back-end development.

Requirements

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.

Nice To Haves

Experience building SaaS platforms.
Experience with cloud-based applications.
Experience in wholesale energy markets or financial transaction systems.
Experience using AI-assisted development tools.

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.