Senior Backend Engineer at SandboxAQ

Middleburg, Virginia, United States

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Technology, DefenseIndustries

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

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

Skills

Key technologies and capabilities for this role

PythonGoGraphQLGCPPub/SubCloud RunBigQueryCloud FunctionsRESTLLMsAIMLevent-driven systems

Questions & Answers

Common questions about this position

Is this position remote or in-office?

This is a full-time W2, in-office position based in Middleburg, Virginia.

What are the key technical skills required for this role?

The role requires deep fluency in Python and Go, strong knowledge of building secure APIs with REST and GraphQL, hands-on experience with AI-assisted development tools like GitHub Copilot, and expertise in GCP services including Pub/Sub, Cloud Run, and BigQuery.

What is the salary or compensation for this position?

This information is not specified in the job description.

What is the company culture like?

Sandboxx has a mission-driven team focused on building meaningful solutions for the military community, with a small highly skilled team, end-to-end ownership, and a dog-friendly office environment.

What makes a strong candidate for this Senior Backend Engineer role?

Candidates with 5+ years of experience scaling production backend systems, fluency in Python and Go, experience with AI tools and GCP, and a passion for mission-driven work in a small collaborative team stand out.

SandboxAQ

AI and quantum technology solutions provider

About SandboxAQ

SandboxAQ focuses on using Artificial Intelligence and Quantum technologies to address significant societal challenges. Their offerings include crypto-agile security, quantum sensing, and quantum simulation and optimization, which help organizations stay ahead of the curve as quantum computing evolves. By collaborating with top professional services firms, SandboxAQ assists clients in implementing these advanced solutions to enhance security and foster innovation. What sets SandboxAQ apart from its competitors is its proactive approach in preparing businesses and governments for the future impact of quantum computing, ensuring they can maintain a competitive advantage. The company's goal is to help bridge the global digital divide by equipping organizations with the tools they need to thrive in a rapidly changing technological landscape.

Palo Alto, CaliforniaHeadquarters

2021Year Founded

$875.5MTotal Funding

LATE_VCCompany Stage

Consulting, Cybersecurity, AI & Machine LearningIndustries

201-500Employees

Benefits

Health Insurance

Dental Insurance

Vision Insurance

Stock Options

Family Planning Benefits

Fertility Treatment Support

Paid Vacation

401(k) Retirement Plan

Risks

Increased competition in quantum tech could impact SandboxAQ's market share.

Rapid tech advancements may render SandboxAQ's solutions obsolete without continuous innovation.

Potential regulatory changes could impose new compliance costs for SandboxAQ.

Differentiation

SandboxAQ integrates AI and quantum technologies for unique enterprise solutions.

Their AQBioSim and AQChemSim tools accelerate drug discovery and materials science.

SandboxAQ's quantum sensors, AQNav and CardiAQ, innovate navigation and cardiography.

Upsides

SandboxAQ secured $300M funding to advance AI and quantum solutions.

Their LQMs are transforming industries like healthcare, aerospace, and defense.

Partnerships with professional services enhance SandboxAQ's market reach and implementation.

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