ABOUT THE ROLE We are inviting applications from engineers, builders, and designers—whether you are a full-stack developer, machine learning engineer, data scientist, product designer, or product engineer. This is a generalist role for high-agency, versatile makers. At Sandstone, everyone wears multiple hats and contributes directly to our products and culture. You’ll not only execute as an engineer or designer but also play a key role in shaping product thinking, implementing customer feedback, and collaborating across functions. You’ll touch multiple parts of the codebase and be hands-on with our products. WHAT YOU’LL DO Collaborate cross-functionally to design, build, and iterate on core product features Own projects end-to-end, from concept through implementation and launch Communicate with customers and incorporate feedback directly into the product Work flexibly on different challenges, sometimes outside your primary area of expertise Contribute to a high-performing, supportive, and ambitious team culture WHAT WE LOOK FOR 4-20+ years of experience as a full stack engineer, machine learning engineer, data scientist, product designer, or product engineer at a leading startup, growth stage, or big tech company Demonstrated end-to-end ownership of major products or significant portions thereof Exceptional analytical and problem-solving skills High attention to detail and ability to juggle multiple workstreams Strong ownership mindset and bias toward action Former founder, side project builder, or hacker mentality Excitement to code and "hack" for both product and internal use

ABOUT THE ROLE As a GNC Engineer, you will enable us to predict the in-orbit performance of a novel space vehicle. Your work will span from vehicle-level dynamics modeling, to propagated orbital dynamics modeling, to controller design that we can implement on flight-ready avionics. We’re looking for someone who brings “full-stack” GNC development capability to the table. RESPONSIBILITIES Develop and own our 6-DOF simulation for understanding vehicle attitude, station-keeping, and orbital performance. Design and implement controllers on hardware going to space by actually writing software yourself Use simulation to constrain and inform ADCS design Work closely with avionics engineers to have performant, reliable attitude determination and control Analyze orbits, constellation designs, trajectories and attitude motion profiles to maximize vehicle service performance Contribute to high-level vehicle architecture decisions Support prototyping, implement controllers on prototype hardware Come up with creative solutions to novel problems that surround precisely putting a spot of reflected sunlight on the ground from space IDEAL QUALIFICATIONS Clear prior technical ownership of functioning vehicle controllers and sim (I designed and simulated the GNC for “xyz” vehicle) Experience bringing up sim environments from scratch, opinionated/familiar with best practices. Experience with implementing attitude control and/or estimation algorithms on spacecraft Experience with verification and validation of GNC flight software in an integrated environment, leveraging 6-DOF simulation and HITL testing.

We are hiring a Full Stack Software Engineer to build and improve modern web applications across frontend and backend systems. What you will do Build user-facing features using React, TypeScript, and modern JavaScript. Develop backend APIs and services using Node.js (Express/NestJS acceptable). Design and work with relational databases (PostgreSQL/MySQL) and write efficient queries. Integrate third-party APIs and internal services. Collaborate with product, design, and engineering teams to deliver features end-to-end. Troubleshoot production issues and improve performance, reliability, and scalability. Write clean, maintainable code and contribute to code reviews. Nice-to-have Experience with cloud platforms (AWS/GCP/Azure). Experience with Docker and CI/CD pipelines. Experience with Redis, queues, or background jobs. Familiarity with GraphQL. Startup or high-growth environment experience. Basic requirements 2+ years of software engineering experience. Hands-on experience with React and Node.js. Solid understanding of REST APIs, databases, and debugging. Strong communication and teamwork skills. Open to remote/hybrid collaboration. Keywords React, TypeScript, JavaScript, Node.js, Express, REST API, PostgreSQL, SQL, Docker, AWS, CI/CD, Git

ABOUT THE ROLE As a Mechatronics Engineer, you will be responsible for making the electromechanical deployment systems on our vehicle come to life in a fusion of electrical engineering, programming and mechanisms design. Your highest priority is delivering functioning hardware that strikes a balance between simplicity, scrappiness, analytical rigor and ingenuity. RESPONSIBILITIES Design and implement the actuation and control scheme for deploying our reflectors Take hardware and software from conceptual design through qualification to on-orbit operations Design, program, tune and debug motor control hardware Own the interfaces between and integration of actuators and controllers with the rest of the avionics system De-risk the performance of complex actuation systems with a significant amount of hands-on prototyping and testing IDEAL QUALIFICATIONS You've lead or participated in anomaly investigations for space mechanisms You’ve designed and programmed motor controllers before from scratch You have a deep understanding of how motors and motor control works You have enough mechanical design experience to do quick prototyping work You have strong experience collaboratively designing complex interdependent systems You’ve debugged novel actuation systems before in a scrappy environment with lots of iterative testing The position is strictly on-site and based in the Los Angeles area. Work Model: In-office Primary Location: HQ is located in Hawthorne, CA (near LAX) at 12727 S Van Ness Ave. Relocation Support: Assistance is available, ranging from $5,000 to $10,000.

ABOUT THE ROLE As a Reflector Fabricator, you will be responsible for working in a very hands on R&D fabrication environment, specifically helping us construct large reflectors made from thin-film plastics. To us, this is an art, and like all art, it requires skill and a keen eye for detail. We encourage people who enjoy detailed oriented work like sewing and origami to apply, and familiarity with cutting and handling fabrics and thin sheets of materials will be very helpful. RESPONSIBILITIES Turn reflector designs into testable units using hand and machine tools Design and build jigs and custom tooling to make reflector prototyping more efficient, high quality, and precise Work closely with engineering to identify and communicate design problems Design and fabricate or purchase infrastructure necessary to make and handle very large reflectors IDEAL QUALIFICATIONS Experience making beautiful, hand crafted, detailed models on a tight timeline Basic experience with CAD and designing custom jigs and tools Comfortable independently using tools like laser cutters, vinyl cutters, hand tools, and able to learn how to use new tools quickly Clean room experience Great candidates range from tailors, architects, sculptors, artists to people who have fabricated hardware for the space environment Even if you don't meet 100% of the above qualifications, we are likely still interested in hearing from you. Hiring exceptional individuals is our #1 priority, and we believe that exceptional people often have highly unusual backgrounds. We are also interested in carving out unique roles for unconventional people that we are excited about working with. The position is strictly on-site and based in the Los Angeles area. Work Model: In-office Primary Location: HQ is located in Hawthorne, CA (near LAX) at 12727 S Van Ness Ave. Relocation Support: Assistance is available, ranging from $5,000 to $10,000.

ABOUT THE JOB As a Flight Software Engineer you will design, develop, and deploy software flown onboard a fleet of novel low-Earth orbit spacecraft. You will engage with other software engineers, electrical engineers, and mission operations engineers to ensure flight software meets the needs of the mission throughout the entire vehicle lifecycle. RESPONSIBILITIES Develop reliable autonomous software systems and the infrastructure to support rigorous testing and large-scale in-space deployment Own all aspects of development, including: concept design, implementation, testing, and release Implement software to support command and data handling, guidance navigation and control, and fault detection and isolation Support on-orbit operations through continued development and over-the-air updates MINIMUM QUALIFICATIONS Demonstrated excellence working on a comparable software project 3+ Years of C/C++ Experience IDEAL QUALIFICATIONS Prior experience developing flight software for spacecraft or similar high-reliability products Development experience on ARM microcontroller and embedded Linux platforms Strong skills in debugging, unit testing, and integrated flight software/day in the life testing Strong understanding of computer networking Experience with fault-tolerant software design including watchdogs, voting logic, error correction codes, and fault detection and isolation Exposure to industry software standards and best practices such as MISRA-C and JSF Ability to work in a fast-paced dynamic environment with evolving needs and requirement Even if you don't meet 100% of the above qualifications, we are likely still interested in hearing from you. Hiring exceptional individuals is our #1 priority, and we believe that exceptional people often have highly unusual backgrounds. We are also interested in carving out unique roles for unconventional people that we are excited about working with. The position is strictly on-site and based in the Los Angeles area. Work Model: In-office Primary Location: HQ is located in Hawthorne, CA (near LAX) at 12727 S Van Ness Ave. Relocation Support: Assistance is available, ranging from $5,000 to $10,000.

ABOUT THE ROLE As the first Embedded Software Engineer at Reflect, you will architect, write and implement embedded flight software for our initial vehicles. You will invent new technologies as well as re-use time tested aerospace components to rapidly build a reliable, ruthlessly simple, low-cost system. Your work will establish successful communication with, control, update, and ultimately troubleshooting of the vehicle in-mission, and as such, comes with significant responsibility. Beyond the first mission, you will be able to scale your initial architecture into Reflect’s next vehicles that we intend to produce at scale. RESPONSIBILITIES Architect and implement the flight software for Reflect’s first satellite, including selecting and implementing operating systems, mission management software, command and data handling, and communication software. Write software that works the first time, is easily validated, modular, and can be easily introspected. Deliver highly reliable, fault tolerant and remote-updatable software systems that are robust to the LEO environment. Collaborate with avionics engineers on component and processor selection and electrical system architecture. Implement and/or integrate software for electromechanical components such as star sensors, ADCS, motors, battery manage systems, thermal systems, communication systems, sail deployment mechanism, and cameras. Design embedded software systems to readily support satellite subsystem hardware testing. Design embedded software for ease of validation and implement tests, including unit tests, software simulation and HIL/flatsat. Set best practices and lead by example in software development, version control, release and validation processes. IDEAL QUALIFICATIONS Experience implementing C and/or C++ software on autonomous electromechanical systems such as robots, autonomous vehicles, drones or spacecraft. A strong understanding of software design and architecture for high reliability systems, including design for fault tolerance, validation, remote operation and update. Experience architecting high-reliability electromechanical systems, either independently or in collaboration with avionics engineers. Experience operating and learning from a deployed electromechanical system. You thrive with a high level of independence and autonomy, and collaborate gladly. You understand when is the right time for deliberation and when is the right time to build quickly and let the work speak for itself. Reflect is building a revolutionary low-cost high-scale satellite for the new space age. You will not overly rely on pattern-matching from outdated aerospace technologies, and strive to seek and invent new solutions enable massive scale at 1/10th the cost and time. Even if you don't meet 100% of the above qualifications, we are likely still interested in hearing from you. Hiring exceptional individuals is our #1 priority, and we believe that exceptional people often have highly unusual backgrounds. We are also interested in carving out unique roles for unconventional people that we are excited about working with. The position is strictly on-site and based in the Los Angeles area. Work Model: In-office Primary Location: HQ is located in Hawthorne, CA (near LAX) at 12727 S Van Ness Ave. * Relocation Support: Assistance is available, ranging from $5,000 to $10,000.

ABOUT THE ROLE As a Mechanical Engineer, you will be responsible for quickly designing, prototyping, and flight validating spacecraft subcomponents and integrating mechanical systems on tight deadlines. Your highest priority is delivering functional hardware that strikes a balance between simplicity, scrappiness, analytical rigor and ingenuity. RESPONSIBILITIES Deliver flight-ready critical spacecraft components Take hardware and mechanisms from conceptual design through qualification to on-orbit operations Correlate analysis of your components to ensure reliability in the space environment IDEAL QUALIFICATIONS You have owned spacecraft components from clean-sheet to spaceflight Extensive CAD experience You can teach a class on the design of bolted joints You know what tolerances the machine shop can hit without needing to ask them You have strong experience collaboratively designing complex interdependent systems Even if you don't meet 100% of the above qualifications, we are likely still interested in hearing from you. Hiring exceptional individuals is our #1 priority, and we believe that exceptional people often have highly unusual backgrounds. We are also interested in carving out unique roles for unconventional people that we are excited about working with. The position is strictly on-site and based in the Los Angeles area. Work Model: In-office Primary Location: HQ is located in Hawthorne, CA (near LAX) at 12727 S Van Ness Ave. * Relocation Support: Assistance is available, ranging from $5,000 to $10,000.

ABOUT THE ROLE As an Avionics Engineer, you will have zero to one design ownership of electronic subsystems on our first spacecraft. You will be responsible for designing, building, testing and improving reliable space-ready components. The ideal candidate will have strong experience working on spacecraft. RESPONSIBILITIES Own avionics system-level design & interfaces and make system-level trades Prototype, design, bring up and validate flight computers, communication systems, and electronics for power systems and ADCS Establish best practices and tooling for electrical engineering design Develop in-house avionics test infrastructure – flatsat, GPS sim, power sim, comms sim, etc. Design and execute avionics qualification testing for vibration, shock, thermal and thermal vacuum environments and own your hardware into flight operation IDEAL QUALIFICATIONS You’ve designed and validated PCBAs for the space environment or similar high performance environments/vehicles You’ve owned multiple high-reliability electronics subsystems from concept to deployment You can succeed with a high level of autonomy You’ve iterated on requirements and architecture to achieve an optimal design in a highly constrained trade space You have experience hacking and crawling through electronics systems to troubleshoot issues

We’re Hiring: AI Engineer (GenAI / LLM) Location: Bengaluru Experience: 1+ Year Employment Type: Full-time We are looking for a passionate AI Engineer with hands-on experience in Generative AI and Large Language Models (LLMs) to join our growing team. What You’ll Work On Building GenAI applications, AI copilots, and chatbots Developing RAG pipelines and LLM-powered solutions Prompt engineering and model optimization Integrating OpenAI, Claude, Gemini, or open-source LLMs Working with LangChain, vector databases, and cloud platforms Required Skills Python GenAI / LLM experience LangChain or LlamaIndex RAG Architecture Prompt Engineering Vector DBs (FAISS, Pinecone, ChromaDB, etc.) APIs & Backend Integration AWS / Azure / GCP basics Good to Have AI Agents / Multi-agent systems Docker & Kubernetes FastAPI / Flask Open-source LLM deployment