Full-Stack Software Engineering Intern

About Mariana Minerals Mariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies. We’re reimagining the minerals supply chain by combining deep industry expertise with advanced software, automation, and data-driven decision-making. The Role We are hiring a Full Stack Software Engineer Intern to work on real, high-impact problems within our software and operations team. You will contribute directly to building internal tools and systems that support the engineering, construction, and operation of critical infrastructure. This role is designed to provide hands-on experience shipping production-quality software. You will work closely with engineers and cross-functional stakeholders to build systems that solve real operational problems — not just prototypes or isolated features. What You’ll Do Own a defined project with clear deliverables by the end of the internship Build full-stack features across frontend (React or similar) and backend services Develop and maintain APIs, services, and data integrations Work with internal stakeholders to understand workflows and translate them into software Contribute to internal tools that improve efficiency of engineering and operations teams Integrate with third-party tools and systems (APIs, data pipelines, etc.) Collaborate with ML engineers to support data pipelines or ML-powered features where relevant Test, debug, and iterate on production systems Present your work, impact, and learnings at the end of the internship Qualification Currently pursuing a degree in Computer Science, Software Engineering, or related field Strong programming fundamentals (Python, JavaScript/TypeScript, or similar) Familiarity with web development (frontend frameworks and backend basics) Hands-on experience through projects, coursework, or internships Ability to break down problems and build end-to-end solutions Comfortable working in ambiguous environments and learning quickly Clear communication skills and willingness to collaborate across teams Why Join Us? At Mariana Minerals, you’ll be part of a mission-driven team reshaping the way critical minerals are sourced and supplied globally. You’ll have the autonomy to make big decisions, the tools to innovate, and a culture that values ownership, smart automation, and collaboration. Our culture is built on three principles: Extreme Ownership – We take full responsibility for outcomes, relentlessly driving toward solutions. Engineer Out Requirements, then Automate – We simplify, optimize, and then automate for scale. Share Your Legos – We collaborate openly, share knowledge, and empower each other to build bigger, better solutions. Join us as we build the future of responsible mineral sourcing and supply. Mariana is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected status.

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