Python Software Engineer I

last updated May 29, 2026 19:12 UTC

Ascend Analytics

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Python Software Engineer, Boulder, Colorado, United States OR Remote within U. S. for well qualified candidates

About Ascend

Ascend Analytics is an innovative climate technology software and consulting company focused on energy analytics to support an increasingly complex power grid. The company’s products enhance critical power supply decisions for an array of key energy market stakeholders, from short-term operating strategies to long-term investment and resource planning. Ascend recently announced a strategic growth investment from prominent software and climate technology investors Rubicon Technology Partners, a private equity firm which is focused on investing in and growing software companies, Galvanize Climate Solutions, which invests in companies and solutions advancing the energy transition, and Silversmith Capital Partners, a technology-focused growth equity firm. Read more about how the investment will accelerate Ascend’s product innovation here. To learn more about Ascend, please visit us at www. ascendanalytics.com

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Your Impact at Ascend Analytics

As a Back-End Software Engineer at Ascend Analytics, you will be part of a collaborative team advancing software solutions and analytics to support the clean-tech power revolution. Your strong software engineering skills will support mission critical decision analytics for renewable and battery storage power providers around the globe.

Job Responsibilities

Design and write clean, scalable, production code (our backend team primarily works in Python, and our frontend team works primarily in JavaScript)

Refactor code for improved performance, stability, and scalability

Develop automatic tests (such as unit and integration tests) and deployment scripts

Implement systems for collecting, storing, and working with data at scale

Work with our team of analysts and data scientists to integrate and generalize prototype mathematical and data science models within production software

Communicate clearly and effectively (orally and in writing) with both technical and nontechnical stakeholders

Mentor and guide junior engineers

Contribute to scoping and design discussions

This position involves working collaboratively both within your software team and outside with the front-end software engineers, data scientists, and technical sales team. The software development team follows an agile scrum process, and all team members are expected to contribute to technical design reviews, implementation strategies, operational system support, and sprint planning.

Required Qualifications

BS or MS in Engineering, Computer Science, Data/Information Science, Physics, Operations Research, Statistics, Economics, or Power Systems

5+ years as a back-end software engineer

Preferred Qualifications

Demonstrated academic or professional software coding experience in one or more of the following languages: Python, Ruby, . NET, Java, C++, C#, Kotlin, Rust, or Javascript, including object-oriented design

Familiarity with data processing in Python (including Pandas, Numpy, Sympy, Scikit-Learn) is strongly preferred

Experience designing and developing full-stack applications and RESTful web services

Familiarity or exposure to cloud computing platforms and ecosystems, e.g., Azure, AWS, and containerization, e.g., Docker

Data Science, including statistics, machine learning, and data visualization

Referential databases, such as SQL Server, Oracle, or PostgreSQL

Ability to communicate with impact and confidence, both orally and in writing

Strong interpersonal skills, teamwork skills, and work ethic

Knowledge of wholesale electricity markets; passion for renewables and storage

Experience with code review, architecture, development, and promotion processes

Compensation: $100,000 – $150,000

Negotiable based on qualifications and experience. Ascend highly values our employees and often pays above industry average.

We offer flexible work hours in a relaxed environment with opportunities for advancement and excellent benefits, including medical, dental, vision, short- and long-term disability, parental leave, dependent care spending account, and a 401k plan.

We celebrate diversity and are committed to creating an inclusive environment for all employees. Ascend Analytics is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information or other applicable legally protected characteristics.

Ascend Analytics is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, please contact us at recruiting@ascendanalytics.com

$60,000 — $100,000/year

Apply info ->

To apply for this job, please visit the application page

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