• Design, develop, and maintain scalable backend services and APIs supporting Teton Ridge’s digital and streaming platforms • Build integrations with internal systems, third-party vendors, media platforms, advertising systems, analytics tools, and monetization partners • Develop and maintain event-driven services, automation workflows, and operational tooling that improve platform reliability and scalability • Contribute to platform architecture, cloud infrastructure patterns, observability, and engineering best practices • Support modernization and consolidation efforts across legacy and emerging platform systems • Implement and maintain integrations related to advertising, subscriptions, entitlements, video delivery, and audience engagement • Support video advertising workflows including VAST tag integrations, ad playback validation, tracking, and troubleshooting across player environments • Collaborate with Ad Operations, Product, and business stakeholders to improve monetization capabilities and operational efficiency • Assist with integrations involving Google Ad Manager (GAM), SSAI/CSAI workflows, analytics platforms, and video player technologies • Support implementation and troubleshooting of monetization-related APIs, attribution flows, and reporting pipelines • Support integrations with OTT, streaming, and video platform technologies across web, mobile, and connected TV ecosystems • Work with video players and media delivery platforms to improve playback reliability, analytics, ad experiences, and operational tooling • Help implement and maintain metadata, scheduling, entitlement, and content delivery integrations • Troubleshoot playback, tracking, entitlement, and advertising issues across streaming platforms and devices • Build internal dashboards, automation, and tooling to improve operational visibility and reduce manual workflows • Support analytics instrumentation and event pipelines related to subscriptions, advertising, engagement, and platform performance • Monitor application health, system reliability, operational metrics, and integration performance • Collaborate with data and product teams to improve reporting, attribution, and business intelligence capabilities • Partner with Product, Engineering, Data, Marketing, and Operations teams to translate business requirements into technical solutions • Collaborate with external vendors, technology partners, and platform providers to support integrations and operational initiatives • Participate in code reviews, architectural discussions, documentation, and engineering process improvements • Contribute to long-term platform strategy and technical roadmap initiatives

Role Description This position is a nuclear engineer who supports the design, development, and safety analysis of nuclear reactors. Functions within this role include performing calculations and analyses to support nuclear and radiological safety, shielding design, reactivity and criticality control, and core design. Key Responsibilities - Execute design, analysis, or evaluation activities using sound engineering principles and adhering to business standards, practices, procedures, and product/program/project requirements. - Possess working level knowledge of, or technical experience in one or more of the following areas: - Influence and support the development of strategy, methodology and technical tools for the area of responsibility. - Interpret internal and external business challenges and recommend best practices to improve products, processes, tools, or services. - Use judgement to support decision making and the handling of complex tasks or problems in areas of operations, product management, technology, or engineering. - Work within a multidisciplinary engineering team. - Perform work in accordance with design control procedures, ensuring thorough documentation of work, facilitation of internal and external design reviews, and control of product design configuration data. Qualifications - 3-5 years of experience in the relevant engineering discipline, including successful delivery of Mechanical Handling designs. - Background in regulated environments such as nuclear, aerospace, defense, or industrial capital projects. - Bachelor’s degree in Nuclear Engineering or related technical discipline. - Ability to maintain communication and stakeholder engagement in a virtual and hybrid team environment. - Ability to travel - Candidate will be required to travel on approximately 10% of the year and depending on the project phase. - Must be a U.S. person eligible to meet DOE Export Control requirements under 10 CFR 810. Desired Skills & Experience - Experience with Nuclear Safety Analysis codes and methods (e.g., MELCOR, RADTRAD, SAPHIRE, SCALE, ORIGEN). - Experience with NQA-1 in a nuclear environment. - Proficiency with engineering software tools and AI-enabled platforms. - Experience in startup or innovation-driven organizations. Our Commitment Deep Fission is an equal opportunity employer committed to building a diverse and inclusive workplace. We welcome applicants from all backgrounds who share our passion for advancing clean nuclear energy and creating a sustainable future. We do not discriminate on the basis of race, color, creed, religion, ancestry, age, sex, marital status, national origin, disability, veteran status, or any other characteristic protected by applicable law.

• Build, run, and improve core backend systems alongside a collaborative, supportive team. • Take end-to-end ownership of systems, contributing to a strong engineering culture focused on quality, reliability, and long-term maintainability • Lead work across the full development lifecycle—design, estimation, implementation, testing, debugging, and deployment—while learning and applying best practices for building and operating reliable systems at scale. • Ship code that directly impacts Toast’s growth and the day-to-day operations of restaurant teams • Partner with product and design to influence what we build and how we build it • Contribute to and elevate team standards through thoughtful code reviews and technical discussions • Mentor and provide technical guidance to other team members

• Define and drive the engineering strategy and roadmap for your area, ensuring alignment with business objectives • Partner closely with product, architecture, and executive leadership to co-create strategy and translate it into actionable execution plans • Build, inspire, and scale high-performing teams; foster a culture of ownership, accountability, and continuous improvement  • Establish robust operational mechanisms for predictable, high-quality delivery across complex, distributed systems • Make investment trade-offs, prioritize resources, and ensure technical health and system reliability for the long term • Mentor engineering leaders, cultivate talent, and champion diversity and inclusion across the organization