Staff Software Engineer

What We Are Looking For Stem is seeking a highly skilled Staff 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. Key Responsibilities Data Pipeline Architecture – responsible for overseeing and aligning current and future design of data processing; experience in distributed event streaming platforms 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 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. Technical Skills JavaScript (ES6+), HTML5, CSS3, TypeScript React (preferred), Angular, Vue.js Node.js, Redis C# (preferred) 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. Engagement Model This is a remote B2B contract position based in Poland or Romania. You will collaborate with a globally distributed team primarily operating within CET/CEST working hours. #J-18808-Ljbffr