Hybrid Senior Backend Engineer

at Sandboxx

• Job title: Senior Backend Engineer
• Job type: Full Time
• Experience level: Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: BigQuery, Cloud, Docker, Google Cloud Platform, GraphQL, Kubernetes, Python, Go
• Location requirements: Hybrid, Middleburg, United States

About the role

• Senior Backend Engineer building and optimizing backend services for Sandboxx technology solutions that support military community. Collaborating with cross-functional teams while integrating AI-driven features into products.

Responsibilities

• Architect & Build: Design and implement robust backend services, APIs, and event-driven systems using Python, Go, and GraphQL.
• AI & ML Integration: Collaborate with the team to incorporate LLMs, AI-driven personalization, and intelligent workflows into our products.
• Cloud Infrastructure: Manage, scale, and optimize services on Google Cloud Platform (GCP), including Pub/Sub, Cloud Run, BigQuery, and Cloud Functions.
• API Design & Security: Build and maintain secure, high-performance GraphQL APIs and REST endpoints.
• Data Management: Work with structured and unstructured data, ensuring data pipelines are reliable, efficient, and ready for AI/ML workloads.
• DevOps & Observability: Contribute to CI/CD pipelines, monitoring, and logging with modern tools.
• Innovation: Evaluate and prototype new technologies, especially AI-focused frameworks and cloud-native architectures.

Requirements

• 5+ years of experience building and scaling production backend systems, ideally in high-growth or product-focused environments.
• Deep fluency in Python and Go, with strong knowledge of building secure APIs (REST and GraphQL).
• Hands-on experience using AI-assisted development tools (e.g., GitHub Copilot, ChatGPT, Anthropic) in your workflow.
• Strong foundation in cloud-native architectures with GCP (Pub/Sub, Cloud Run, BigQuery, IAM).
• Comfortable with asynchronous programming patterns and event-driven architectures.
• Experience integrating REST APIs and GraphQL, including schema design and performance optimization.
• Prior experience deploying features via CI/CD pipelines (e.g., GitHub Actions, CircleCI).
• Passion for clean code, maintainable systems, and high performance.
• Familiarity with data privacy, security best practices, and compliance requirements (e.g., SOC 2).
• Self-directed and proactive—especially in a fully remote environment.
• Bonus: Experience with Strapi, containerized applications (Docker/Kubernetes), or AI/ML pipelines.

Benefits

• Competitive salary + equity options
• 100% company-paid health, dental, and vision (employee-only plans)
• 401(k) with company match
• Unlimited PTO + 11 company holidays + year-end holiday break
• 12 weeks paid parental leave for all parents
• $1,500/year learning & development budget
• $1,000/year wellness stipend