• Perform complex code analysis and assist in the design, development, testing and maintenance of software products for use by our employees and/or customers. • Participate in the full development life cycle and consult with senior peers on projects. • Assist in developing applications and refining product requirements. • Work with team lead, internal resources and clients to assess technical and operational needs. • Analyze requirements and assist in design development based on selected architectures. • Design solutions that are reliable, secure, simple, efficient, and maintainable. • Assist in estimating the scope of designs and participate in design review sessions. • Perform programming tasks to deliver design objectives. • Confirm program operation by conducting unit and system level tests. • Assist in product test planning, documentation and problem resolution. • Perform code reviews on pull requests from other developers. • Participate or contribute as part of a group to self-directed projects and research for Team Sprint. • Maintain professional and technical knowledge by attending educational workshops; reviewing professional publications; establishing personal networks; participating in professional societies. • All other duties as assigned.

• Design and build full-stack applications that allow our users to safely control and monitor our autonomous construction robots • Develop internal and customer-facing tools for robot command, control, monitoring, and analytics • Build scalable backend services and APIs that support robot deployments • Develop intuitive front-end interfaces for real-time robotics visualization and control • Improve reliability, scalability, and observability across distributed systems • Participate in rapid iteration cycles and deploy production code daily

• Uses understanding of process fundamentals, process equipment, refinery practices, and FCC technology to ensure safe, environmentally friendly, reliable, and optimal refinery operation • Coordinates and influences the achievement of these objectives utilizing data driven critical thinking • Trains, mentors and coaches less experienced process engineers • Oversees daily performance monitoring efforts by younger engineers • Maintains process unit health indicators and provides oversight for younger engineers • Identifies short- and long-term process changes to improve unit(s) profitability and optimize efficiency • Exhibits strong engineering judgment in equipment design and process development • Presents sections of operator process training classes • Approves process portions in Management of Change (MOC) development • Performs process engineering duties in a process hazard analysis (PHAs) on complex units • Develops and maintains critical cross-functional relationships to optimize unit performance

• Ship customer-facing product features primarily for our AWS-based PaaS across our stack, which includes: Ruby on Rails backend systems, a web app (React-TypeScript), a Terraform client (Go), and a CLI client (Ruby), and more. • Work closely with Product and Design to clarify requirements, make tradeoffs, and deliver in small, high-quality increments. • Improve developer experience, including internal tooling, local development workflows, and the path from code to production. • Contribute to reliability and operability improvements, including CI/CD, release processes, observability, and incident response tooling. • Participate in the on call rotation, and help drive follow-ups that reduce repeat incidents and make the system easier to operate. • Partner with our customer-facing engineering team to investigate customer issues and deliver fixes or improvements when needed. • Use AI tools to improve your development workflow and velocity.