Title: Senior Software Engineer, Ground Software Location: San Jose United States Job Description: About the role Muon is looking for a Senior Software Engineer (Back-end) to join our Ground Software team. The ideal candidate is a self-motivated and versatile software engineer who is excited to build our cloud infrastructure, web services and applications like mission planning & control software, ground station integrations, and tools to gain insight into Earth's complex systems. Our team broadly owns all the software that enables us to communicate with the satellite, as well as customer APIs that enable multi-satellite planning and scheduling. We are fully responsible for the software we build through its full lifecycle; from implementing deployable applications, managing the infrastructure they run on, and supporting them running in production. Responsibilities - Build a world class Mission Planning & Control System in the cloud, using tools like Docker and FastAPI - Participate in designing our cloud architecture: choosing which technologies we will use, how we will organize the system, and when we should build systems in-house vs buy them off the shelf, to maximize the impact of our team - Manage the infrastructure we will use to deploy our cloud applications, using tools like Kubernetes, Helm, and AWS Lambda - Build the spacecraft-to-cloud data integration: processing and archiving the command history and telemetry, using tools like Kafka, InfluxDB, and Grafana - Build the APIs and tooling to integrate our cloud with remote antenna ground station networks - Architect systems to achieve low latency and fault tolerance - Deploy infrastructure and tools to workstations, on-premises data centers, and cloud environments Qualifications - B.S., M.S., or Ph.D. in computer science or related field, or equivalent experience - 8+ years experience as a software engineer in a team environment - Strong programming experience in Python for web development - Experience with cloud-native software development in at least one major cloud provider (AWS, GCP, Azure) using containers - Excellent communication and presentation skills - Excited to work in a fast-paced environment with new opportunities each week Nice-to-have Skills - Experience with the AWS / Govcloud ecosystem - Experience managing CI/CD in cloud-based development, staging, and production environments - Have a passion for simple architectures and clean APIs - Strong Linux fundamentals and comfortable with Linux development and deployment environment - IT and Information security (authentication, encryption) - Experience smoothly deploying continuously evolving data services to customers Salary The salary range for this role is $184,000 - $208,000 plus a competitive equity grant and comprehensive benefits package. Final compensation will be based on skills, qualifications, experience, and geographic location as assessed during the interview process. About Muon Space Founded in 2021, Muon Space is an end-to-end Space Systems Provider that designs, builds, and operates LEO satellite constellations delivering mission-critical data. Our revolutionary, integrated technology stack enables customers to optimize every dimension of their missions for faster time-to-orbit and superior constellation remote sensing performance. Our state-of-the-art facility in the heart of Silicon Valley is optimized for manufacturing spacecraft and rapid, flexible payload integration at scale. From climate monitoring to national security, Muon Space is dedicated to delivering Earth Intelligence for a safer and more resilient world. Taking Care of Our Team At Muon salary is only part of our total compensation package. In addition to salary, full-time employees receive equity compensation as well as benefits including medical, dental, and vision insurance, a 401k retirement plan, short & long term disability and life insurance. We also offer three weeks paid vacation for new employees, along with 12 paid holidays, unlimited sick time and paid parental leave. Our mission embraces the entire planet and we believe our team should too. Muon is dedicated to creating a diverse and dynamic company and workforce. We believe in equal employment opportunity regardless of race, color, ancestry, religion, sex, age, national origin, citizenship, sexual orientation, marital status, disability, or gender identity. We value diversity in the workplace, and that starts with our applicants. We encourage you to apply, even if you don't check all the boxes, and we look forward to reviewing your application! In addition, if you need a reasonable accommodation as part of your application for employment or interviews with us, please let us know. ITAR/EAR Requirements This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. The Company may, for legitimate business reasons, decline to pursue any export licensing process.

Role Description We are looking for an experienced and highly knowledgeable Staff Engineer (Core Product) to join our Engineering team and help drive architecture and technical strategy across our growing suite of core products. The remit and focus of the role is to work across domains on our most complex problems and critical initiatives, helping teams deliver outcomes whilst ensuring architectural excellence. Over time, this role will go where the value is, meaning you should be excited by working across a range of teams and priorities. It’s a broad and exciting role, so we’re looking for someone up for a challenge - if you’re a collaborative and innovative candidate, this is the role for you. Core Responsibilities - Own and deliver clear target architectures, strategies and roadmaps to support our product suite and strategic direction. - Partner with Technical Leads to provide hands-on guidance supporting feature delivery, tech debt paydown, and architecture improvements. - Collaborate with Product Directors to understand product vision and translate this into deliverables, aligning commercial and engineering goals. - Lead our shift to an AI-First way of working, architecting new SDLC foundations and championing the latest approaches to help drive productivity gains across all teams. - Mentor and coach Technical Leads/Senior Engineers on architectural and engineering excellence, continually raising our bar and supporting career growth. - Act as a role model for technical leadership — work with pace, be pragmatic, and stay laser focused on outcomes not output. - Head up architectural reviews for your domain and ensure all designs meet Arbor’s quality, reliability, security and compliance standards. - Collaborate with Staff Engineers and Principal Engineers to shape Arbor’s broader technology strategy, working outside your domain as needed. - Partner with Engineering Management to help grow teams, identify dependencies/risks, and report progress against strategic goals. Qualifications - Extensive track record of delivering outcomes and leading across large, complex product suites, within a scaling and fast-moving environment. - Broad understanding of software architecture, system design, and scalable integration patterns observed from a range of environments. - Examples of communication and influencing across technical and non-technical audiences to achieve positive outcomes. - An ability to support the growth of engineers and technical leads whilst still delivering value across distributed, cross-functional teams. - Demonstrable experience working in an ownership culture where quality, performance, observability, and security are a core responsibility for every engineer. - Deep experience guiding teams in architectural design, de-risking complex initiatives through MVP/0-1 thinking, and framework adoption. - An understanding and opinion on how AI-first engineering will change the SDLC and ways of working, ideally with worked examples. - Examples of contributing to or leading technical communities of practice (e.g. chapters, guilds, architecture councils). - Practical knowledge of and exposure to some of our core stack or equivalent technologies - PHP, Node, React, Python, MySQL, AWS. - Experience navigating between monolithic and distributed architectures with a pragmatic understanding of the value of each. Benefits - The chance to work alongside a team of hard-working, passionate people in a role where you’ll see the impact of your work everyday. - A dedicated wellbeing team who champion initiatives such as mindfulness, lunch n learns, manager training, mental health first aid training and much more! - 32 days holiday (plus Bank Holidays). This is made up of 25 days annual leave plus 7 extra company wide days given over Easter, Summer & Christmas. - Life Assurance paid out at 3x annual salary. - Comprehensive wellness benefit provided by AIG Smart Health, which provides a 24/7 virtual GP service, Mental health support, Counselling, and personalised Health Checks. - Private Dental Insurance with Bupa. - Salary sacrifice Pension provided by Scottish Widows. - Enhanced maternity and adoption leave (20 weeks full pay) and paternity (6 weeks full pay) pay. - 5 free return to work maternity coaching sessions, helping you adapt to this new exciting time of life! - Access to services such as Calm and Bippit (financial wellbeing coaching). - All of our roles champion flexible working and we are happy to discuss what this means to you. - Social committees that plan team, office and company wide events to bring people together and celebrate success. - Dedicated professional development training budget (CPD courses, upskilling resources, professional memberships etc). - Volunteer with a charity of your choice for a day each year. - Dog friendly offices! Interview Process - Phone screen - 1st stage - 2nd stage

Role Description As a Senior Backend Developer, you will play a central role in shaping, building, and scaling our SaaS platform. You will: - Design and maintain modern software architectures - Create technical concepts and implement backend services - Ensure reliability, security, and a performant system - Work closely with other backend developers, product managers, frontend developers, and DevOps engineers - Help drive our platform forward while mentoring junior colleagues - Contribute to strategic technical decisions This full-time position is remote-first, with occasional collaborative sessions at our office near Munich. Ideally, you live in Germany, so it’s easy to meet each other. Qualifications - Min. 5 years experience in SaaS Backend Developments - Knowledge about a scalable Cloud Software architecture - Proficient in Node.js with TypeScript - Elixir is a big plus - Experience with AWS Cloud: ECS, RDS, Lambda, … - Experience with Databases: PostgreSQL, Redis - Familiarity with CI/CD: Docker, Github Actions, Pulumi - Experience in Quality: Tests, Code Reviews, Security Best practices - Technical lead experience: Mentoring other Devs, Pair Programming - Good Communicator in English (German is a plus) - Experience with Monitoring & Observability - Based in Germany with a permanent German working permit Requirements - Experienced and strategic: At least 5 years of backend development experience, including responsibilities as a technical lead - Strong in architectural planning and system design - Understand how to build scalable, secure, and maintainable B2B SaaS platforms - Comfortable deploying containerized applications with Docker - Understand reproducible deployments using Infrastructure as Code (we use Pulumi with TypeScript) - Care about clean, maintainable code - Comfortable writing tests, performing code reviews, and following security best practices - Familiarity with ISO standards (27001 & 9001) and vulnerability management is a plus - Experience with monitoring and observability tools (e.g. OpenTelemetry or similar) - Enjoy sharing your knowledge through pair programming and mentoring other Developers - Fluent in English; German is a big plus Benefits - A supportive and open working atmosphere built on trust and collaboration - An international, diverse, and motivated team - Exciting and challenging projects with direct impact on our product and customers - Opportunities to take initiative, ownership, and grow professionally - Attractive compensation and flexible working hours - Fully remote setup, with occasional team meet-ups at our office in Garching near Munich - Occasional Off-Sites and the opportunity to visit conferences

• Join our innovative team and help shape the future of Technology • Work on exciting projects and make a meaningful impact • Engage in continuous learning and growth • Collaborate in a state-of-the-art technology environment