Backend Software Engineer – AI Native

Qrypt

Backend Software Engineer developing Rust software for quantum security solutions at Qrypt. Collaborating with engineers in a mission to innovate cybersecurity against quantum attacks.

Posted 7/31/2026full-timeAustin • Texas • 🇺🇸 United StatesMid-LevelSenior💰 $125,000 - $150,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in backend software development with a focus on Rust, C++, and Python, while ensuring high-quality code through testing and design reviews. Possesses a strong understanding of quantum random number generation, cryptography, and network security.

Highest-signal resume keywords

Rust ProgrammingBackend Software DevelopmentAPI Design and DevelopmentAI-Assisted DevelopmentQuantum Cryptography

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

RustC++PythonAPIConcurrencyTestingLinuxSystems ProgrammingQuantum Random Number GenerationCryptography

Soft Skills

Strong Written CommunicationStrong Verbal Communication

Tools & Technologies

AI-Assisted Development Tooling

Certifications & Qualifications

Bachelor's Degree in Computer Science

Industry Keywords

Network SecurityQuantum EntropyKey Management

Tech Stack

Tools & technologies

GoLinuxPythonRust

About the role

Key responsibilities & impact

Design, build, and test backend services and APIs, primarily in Rust, with some C++ and Python.
Work on the software that delivers quantum entropy and keys reliably and securely.
Write well-tested, maintainable code and participate in design and code review.
Use AI-assisted and agentic development tooling to accelerate your work while owning the correctness and quality of everything you ship.
Help shape how the team adopts AI-assisted development (instruction conventions, review standards) as the tooling matures.
Develop an understanding of the domain (quantum random number generation, cryptography, network security) to build and validate our products.
Collaborate with hardware, product, and other engineers to ship end-to-end.

Requirements

What you’ll need

Bachelor's degree in Computer Science or a related technical field, and/or relevant work experience.
3+ years building and shipping backend software.
Proficiency in Rust, or strong systems-programming experience (C, C++, Go) with a demonstrated ability and eagerness to work primarily in Rust.
Working familiarity with C++ and Python.
Solid grasp of backend fundamentals: APIs, services, concurrency, testing, and Linux.
Fluency with AI and agent-assisted development, and the judgment to apply it where it adds real leverage — reviewing, correcting, and taking full ownership of AI-generated work.
Strong written and verbal communication skills.
Must be authorized to work in the United States. Qrypt does not provide visa sponsorship for this role.

Benefits

Comp & perks

Competitive Pay & Equity participation
Comprehensive health, dental and vision coverage
401(k) match
In-office lunch and snacks
The opportunity to be part of a company solving one of the most critical technology challenges of our time!