Job Url: https://www.glassdoor.com/Job/united-states-react-jobs-SRCH_IL.0,13_IN1_KO14,19.htm?remoteWorkType=1&fromAge=7 Job Description: Stem, Inc. 3.0 Staff Software Development Engineer Apply on employer site Broomfield, CO · $145K - $218K (Employer provided) Apply on employer site Is your resume a good match? Use AI to find out how well the skills on your resume fit this job description. Upload your resume Your qualifications for this job Do you have any of these qualifications? SQL Data Architecture Design (Architecture design skills) Mentoring Open source contribution Show more About Stem - Driven by human and artificial intelligence – Stem is unlocking energy intelligence. Stem is a global leader reimagining technology to support the energy transition. Turning complexity into clarity, and potential into performance. We help asset owners, operators and stakeholders benefit from the full value of their energy portfolio by enabling the intelligent development, deployment, and operation of clean energy assets. Our integrated software suite, PowerTrack, is the industry standard and best-in-class for asset monitoring, supported by professional and managed services, under one roof. Meant to tackle challenges as seamlessly as possible, Stem shows the information needed clearly and accurately and helps harness raw data to inform actionable insight. With global projects managed in 55 countries – from Germany to Japan and across North America – customers have relied on Stem for nearly 20 years to maximize the value of their clean energy projects. Stem’s culture embodies diversity & inclusion beyond the traditional facets of gender, ethnicity, age, disabilities, and sexual orientation to include experience, personality, communication, workstyles, and more. At our core, Stem is at the momentous intersection of clean energy and software technology where diverse ideas, experiences, and professional skills converge to make the inclusive culture we have today. Together, we are turning old school thoughts about software and energy into progressive, collaborative, and innovative solutions. By joining our team, you will be collaborating with data scientists, energy experts, skilled salespeople, thought-leading executives and more from a range of backgrounds. This intersection of ideas, beliefs, and skills is what makes us unique enough to lead the world’s largest network of digitally connected energy storage systems. What We Are Looking For: Stem is seeking a highly skilled Principal Software Engineer to serve as a technical leader and architect across our clean energy software platforms PowerTrack®. You will drive the design and implementation of scalable, high-performance systems that manage vast volumes of energy data and deliver intuitive user experiences. This role demands deep technical expertise, strategic thinking, and the ability to mentor and influence engineering teams as we accelerate the clean energy transition. Key Responsibilities: Data Pipeline Architecture – The role will be responsible for overseeing and alignment of the current and future design, and architecture of data processing. Experience in distributed event streaming platforms is preferred. Act as technical liaison between engineering, product, and business stakeholders to ensure architectural decisions support strategic objectives Design, develop, and maintain end-to-end full stack features across web applications, from user interface to backend services and database integrations. Ensure proper security best practices are followed for all aspects of development and deployment of production systems/services. Participate in code reviews, provide constructive feedback, and mentor junior developers. Stay current with emerging technologies and propose new tools that improve development efficiency and quality. Collaborate with DevOps teams to implement CI/CD pipelines, containerization strategies, and monitoring solutions for deployed applications. Required Qualifications: B.S./M.S. in Computer Science or related field, or equivalent experience. 8+ years in full stack development with a track record of delivering complex applications. Required Technical Skills: JavaScript (ES6+), HTML5, CSS3, TypeScript React (preferred), Angular, Vue.js, Node.js Redis C# (preferred), fluency in other languages is a plus RESTful APIs, GraphQL (a plus) SQL/NoSQL databases AWS platform, Kubernetes Git, CI/CD tools (GitLab CI, GitHub Actions) Testing frameworks and TDD Preferred Qualifications: Time-series databases and IoT data processing. Data analytics and machine learning concepts. Real-time data streaming and processing. Responsive design principles and/or mobile application development (React Native, Flutter, or native iOS/Android). Charting libraries and data visualization frameworks (D3.js, Chart.js, Plotly). Knowledge of energy industry standards and protocols. Background in building applications for regulated industries. Contributions to open-source projects or active technical community involvement. Job Location: Travel: 10% This position is based in Broomfield, CO, or remote. Salary Range $145,360.00 - $218,040.00 What We Offer: At Stem, you will work in a growing, innovative, mission-driven company with talented colleagues that have a passion for building renewable energy systems. Stem offers competitive compensation as well as a comprehensive set of benefits to support the health and wellness of our employee including: A competitive compensation package, including eligibility for a bonus or commission based on the role, and equity 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 Learn More To learn more about Stem, visit our stem.com where you’ll find information about our solutions, technology, partners, case studies, resources, latest news and more. Here are some relevant links: Company Overview Newsroom Case Studies LinkedIn Stem, Inc. is an equal opportunity employer committed to diversity in the workplace and does not discriminate against any employee or applicant for employment because of race, color, sex, pregnancy, religion, national origin, ethnicity, citizenship, sexual orientation, gender identity, age, marital status, disability, genetic information, military status, protected veteran status or any other factor protected by applicable federal, state or local laws. Show more Base pay range The minimum salary is $145K and the max salary is $218K. $145K – $218K/yr (Employer provided) $182K /yr Median Broomfield, CO If an employer includes a salary or salary range on their job, we display it as "Employer Provided". If a job has no salary data, Glassdoor displays a "Glassdoor Estimate" if available. To learn more about "Glassdoor Estimates," see our FAQ page. Conversations @Stem, Inc. See what insiders and job seekers are saying about interviews, pay and more. Engineer 1y Recently I had 2 rounds of interview at Stem, inc. If I am able to clear the remaining rounds should I join? I have few questions: 1: What is work culture like? 2: "After joining, could I feel as if I got stuck here?" 3: How Bosses are like ? 4: Anything else if you want to tell please? Thank you. 1 1 Comment See what other Staff Software... are saying Interview Tips 776K members Salary Negotiations 755K members See more posts Company overview Size 201 to 500 Employees Founded 2009 Type Company - Public Industry Energy & Utilities Sector Energy, Mining & Utilities Revenue Unknown / Non-Applicable Stem, Inc. ratings