Senior Backend Engineer - Mission Experiences

The role

You will build and run backend services and APIs that collect and manage mission data across the full Loft mission lifecycle. You will work with program, engineering, operations and business teams to turn their workflows into reliable software.

What you will do

• Build and operate features across backend services that collect, manage, and surface infrastructure data for the full mission lifecycle
• Design and implement APIs and integrations that connect tools and data across teams and systems
• Work with program management, satellite engineering, operations and business stakeholders to understand processes and turn them into software
• Seek user feedback and reduce friction in backend workflows and user experiences
• Take ownership of features from design through production operations

Required qualifications

• Strong proficiency in Python for backend engineering
• Comfortable working with Docker for containerization and deployment in scalable environments
• Demonstrated experience designing, developing and implementing APIs for different use cases and stakeholders
• Experience in backend architecture, including API design, database interactions and integrations between products, internal tools and business systems
• Strong analytical skills to understand complex technical and business processes
• Excellent communication and collaboration skills across engineering, operations and business teams
• Proactive problem-solving mindset, comfortable challenging assumptions constructively

Nice to have

• Experience in the design, modeling or analysis of space missions
• Experience building customer-facing interfaces, customer portals or platforms
• Experience designing or developing tasking interfaces or platforms, particularly in satellite or Earth Observation
• Proficiency with Django and GraphQL, and familiarity with cloud platforms (GCP/AWS, Kubernetes)
• Familiarity with testing tools (PyTest, Jest, React Testing Library, Playwright/Cypress) and strong CI/CD practices

Benefits

• 100% company-paid medical, dental and vision for you and your dependents
• 100% company-paid life, AD&D and disability insurance
• Fully paid parental leave: 16 weeks for birthing parents, 10 weeks for non-birthing parents
• Flexible time off and 12 paid holidays
• HSA with employer contribution, FSAs and commuter benefits
• Carrot Fertility, One Medical and a free Employee Assistance Program
• 401(k) and equity
• Daily catered lunches and snacks in office
• Annual company off-site and regular social events
• International exposure to the team in France
• Relocation assistance when applicable

Before you apply

• Attach a copy of your resume in English, as it will be reviewed by people across offices

About the company

Loft provides governments, companies and research institutions with a fast, reliable way to deploy missions in orbit. It integrates, launches and operates spacecraft, with more than 30 missions flown.