SandboxAQ · 6 days ago
Staff Software Engineer, Cryptography R&D
United States
Full-time
Remote
Senior Level, Lead/Staff
$168K/yr - $276K/yr
5+ years expSandboxAQ is a high-growth company delivering AI solutions that address some of the world's greatest challenges. The role involves developing new features and tackling a wide array of challenges across the technology stack, with a focus on systems-level programming and cryptographic expertise.
Artificial Intelligence (AI)Cyber SecurityInformation TechnologyQuantum ComputingSaaS
Responsibilities
Collaborate with R&D and Product stakeholders to prototype new capabilities and explore future features
Apply strong systems engineering skills to design and build proof-of-concept solutions for complex security challenges
Design and implement systems for managing and analyzing large-scale, security-related data
Write high-quality, reusable code for R&D projects across a variety of languages, such as Rust, Go, or Python
Conduct technical investigations and present findings that will help shape the company's strategic direction
Own greenfield projects from the initial design phase through to a working prototype
Qualification
Required
5+ years of industry experience building, deploying, and maintaining complex software projects and data pipelines
Demonstrated mastery across multiple languages, with required expertise in a systems language (e.g., Rust, C++, Zig) and fluency in higher-level languages (e.g., Python, Golang, Kotlin)
Deep engineering knowledge of symmetric and asymmetric cryptography, cryptographic protocols, and their real-world application
Proven ability to apply academic foundations to real-world engineering challenges
Strong analytical thinking and communication skills, with an ability to thrive in a collaborative, fast-paced environment
Preferred
A PhD or MSc in Cryptography, Computer Science, or Mathematics is highly preferred
Valuable experience in computer security, with enthusiasm to deepen your expertise in cryptography and Public Key Infrastructure
A demonstrated passion for security and cryptography, such as through contributions to open-source projects
Experience with static or dynamic program analysis, or developing software sensors and tracers
Familiarity with our broader tech stack (e.g., Typescript, React, GraphQL, Flask, PostgreSQL, Bazel, Docker, GCP, AWS)
Benefits
Comprehensive medical, dental, and vision coverage for employees and dependents with generous employer premium contributions
Retirement savings with company matching
Paid parental leave
Inclusive family-building benefits
Flexible paid time off
Company-wide seasonal breaks
Support for flexible work arrangements that enable sustainable performance
Opportunities for continuous learning and growth through on-the-job development, cross-functional collaboration, and access to internal learning and development programs
Company
SandboxAQ
SandboxAQ develops AI and quantum technology solutions that enhance biopharma, cybersecurity, and materials science.
51-200 employees
H1B Sponsorship
SandboxAQ has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (7)
2024 (6)
2023 (3)
2022 (5)
2021 (1)
2020 (5)
Funding
Current Stage
Late StageTotal Funding
$975MKey Investors
Eric Schmidt Angel InvestmentsMichael J. Fox Foundation
2025-04-04Series E· $150M
2024-12-18Series E· $300M
2024-10-29Grant· $25M
Leadership Team
Jack Hidary
Chief Executive Officer
Joerg Rathenberg
Head Of Marketing
Recent News
2026-01-10
Company data provided by crunchbase