Senior Software Engineer - Energy Services

Description POSITION DESCRIPTION: We are seeking a Senior Software Engineer – Energy Services to join our Data Science team to help develop key aspects of our core algorithms, particularly in manipulating time series data and evaluating costs, while also supporting the development and maintenance of the simulation platform. The ideal candidate will have strong mathematical modeling skills with experience in ML algorithms and will have opportunities to contribute directly to our core products. RESPONSIBILITIES Design and develop software to implement and execute mathematical optimization and machine learning algorithms. Develop software to calculate energy-related metrics and evaluate algorithm performance using streaming telemetry data from equipment. Metrics may include electric bills, demand response baselines and revenues, and revenues from wholesale energy markets. Collaborate with Data Scientists, Software Engineers, and DevOps to deploy software applications into production. Work closely with Product Managers, Energy Analytics Engineers, and Data Scientists to understand and implement new requirements for the simulation platform, such as adding automated workflows, enhancing usability, and improving scalability. Develop microservice interfaces and contribute to the microservice architecture for energy applications. Conduct feature and regression testing of the simulation platform. Troubleshoot issues related to algorithm code. REQUIRED QUALIFICATIONS A solid foundation in computer science and software engineering principles. Bachelor’s degree in computer science and 5 years of experience professional experience. OR Master’s degree in computer science and 3 years of professional experience. 3 years of experience developing Python (3.6) code in a production environment, including experience with CI/CD, unit testing, complex team projects in Git, and managing virtual environments. Experience with Django/Flask/FastAPI and Python libraries for numerical methods and time series data (NumPy, Pandas, SciPy, datetime). Proficiency in mathematical modeling, preferably related to renewable energy. Experience with cloud platforms such as AWS or Azure, as well as Docker, Kubernetes, microservices, message-passing architectures, and REST APIs. Strong background in linear algebra, probability, and statistics. Ability to work collaboratively with all levels and teams at Qcells. Willingness to learn and adapt in the rapidly growing energy industry. PREFERRED QUALIFICATIONS Knowledge of distributed energy resources (PV, storage, EVs), their applications, and renewable energy. Familiarity with machine learning and optimization algorithms and concepts. Experience with Airflow (including plugins). Knowledge of database and data management technologies: PostgreSQL, Django ORM, Timescale DB, Redis, S3. Hanwha Q CELLS America Inc. (“HQCA”) is headquartered in Irvine, CA, and handles sales for the North American region. It is a subsidiary of Hanwha Q CELLS Co., Ltd., one of the world´s largest and most recognized photovoltaic manufacturers for its high-performance, high-quality solar cells and modules. It is headquartered in Seoul, South Korea (Global Executive HQ) and Thalheim, Germany (Technology & Innovation HQ). Through its growing global business network spanning Europe, North America, Asia, South America, Africa, and the Middle East, the company provides excellent services and long-term partnerships to its customers in the utility, commercial, government, and residential markets. Hanwha Q CELLS is a flagship company of Hanwha Group, a FORTUNE Global 500 firm, and a Top 8 business enterprise in South Korea. HQCA recently acquired Geli, a leading developer of Energy Management System software for energy storage, solar, and other renewable resources. PHYSICAL, MENTAL & ENVIRONMENTAL DEMANDS: To comply with the Rehabilitation Act of 1973 the essential physical, mental and environmental requirements for this job are listed below. These are requirements normally expected to perform regular job duties. Incumbent must be able to successfully perform all of the functions of the job with or without reasonable accommodation. Mobility Standing 20% of time Sitting 70% of time Walking 10% of time Strength Pulling up to 10 Pounds Pushing up to 10 Pounds Carrying up to 10 Pounds Lifting up to 10 Pounds Dexterity (F Frequently, O Occasionally, N Never) Typing F Handling F Reaching F Agility (F Frequently, O Occasionally, N Never) Turning F Twisting F Bending O Crouching O Balancing N Climbing N Crawling N Kneeling N All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. The salary range is required by the California Pay Transparency Act and may differ depending on the location of those candidates hired nationwide. Actual compensation is influenced by a wide array of factors including but not limited to, skill set, education, licenses and certifications, essential job duties and requirements, and the necessary experience relative to the job’s minimum qualifications. This target salary range is for CA positions only and should not be interpreted as an offer of compensation. You may view your privacy rights by reviewing Qcells' Privacy Policy or by contacting our HR team for a copy.