Senior Software Engineer, Edge Development

Stem Inc • Broomfield, CO

8d • $126,400 - $189,600 • Hybrid

About The Position

As a Senior Software Engineer, you will serve as an architect across our clean energy edge platforms, including EMS, PPC, SCADA, and Logger. You will drive the design and implementation of scalable, high-performance renewable energy control systems. This role demands deep expertise; strategic thinking; and the ability to mentor and influence engineering teams. You will collaborate with cross-functional stakeholders to support technical roadmaps, maintain architectural standards, and ensure the delivery of robust, maintainable, and innovative software solutions that accelerate the clean energy transition.

Requirements

• B.S/M.S in Software Engineering, Computer Science, Electrical Engineering, or related technical field preferred, or equivalent practical experience.
• 5+ years of professional software or controls development experience with a proven track record of delivering complex control system designs.
• C++ (C++17/20), fluency in other languages is a plus.
• Experience with embedded or resource-constrained Linux systems.
• Linux shell scripting/bash.
• Git and GitLab CI/CD workflows.
• Real-time operating system experience - Understanding deterministic behavior, timing constraints, and concurrency.
• Proficiency with Git workflows, code review processes, and collaborative development practices in distributed teams.
• Experience with automated testing frameworks and methodologies, including unit testing, integration testing, and test-driven development (TDD).
• Familiarity with CI/CD pipelines, deployment automation, and monitoring tools. Experience with GitLab CI, GitHub Actions, or similar platforms.
• Excellent verbal and written communication skills with the ability to collaborate effectively with technical and non-technical stakeholders.
• Genuine interest in clean energy, sustainability, and making a positive environmental impact through technology solutions.

Nice To Haves

• Additional languages: C#, Python, React, Node.js, SQL, IEC 61131-3, Matlab, Simulink
• Broad protocol experience: MQTT, Modbus, DNP3, OPC-UA
• Embedded databases: SQLite or similar
• Containerization: Docker/Podman
• Hardware I/O experience: Serial ports, GPIO, hardware debugging
• Data acquisition systems - Polling strategies, multi-protocol handling, time-series data
• Remote diagnostics and field deployment - OTA updates, remote debugging, fault tolerance
• System integration - Working with heterogeneous devices, protocols, and data formats
• Knowledge of energy power industry standards, like NERC and/or ENTSO-E.
• Background in applications for the renewable and/or traditional energy sector.
• Strong analytical and debugging skills with the ability to troubleshoot complex technical issues across the full stack.

Responsibilities

• Collaborate with product and engineering leadership to shape long-term technical strategy and roadmap.
• Collaborate with Edge Development teams to implement integrated software product offerings.
• Integrate, maintain, and occasionally develop robust controls features, from application interfaces to complex controls algorithms.
• Oversee comprehensive unit, integration, and end-to-end tests using modern testing frameworks to ensure code reliability and maintainability.
• Ensure proper security best practices are followed for all aspects of development and deployment of production systems/services.
• Collaborate with DevOps teams to implement CI/CD pipelines, containerization strategies, and monitoring solutions for deployed applications.
• Participate in code reviews, provide constructive feedback to team members.
• Stay current with emerging technologies and industry trends, proposing and implementing new tools and approaches that improve development efficiency and product capabilities.
• Other duties as assigned.

Benefits

• Competitive compensation package, including eligibility for a bonus or commission based on the role.
• Full health benefits on the first day of employment (several medical plan options-HDHP and PPO, dental plans, FSA/HSA-with employer contribution, employer paid vision/LTD/STD/Life, variety of voluntary coverage)
• 401k (pre- or post-tax) on first day of employment
• 12 paid calendar holidays per year
• Flexible time-off

What This Job Offers

• Job Type: Full-time
• Career Level: Senior