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Cryptography Engineer Internship Jobs in California

Prime Intellect

Internship

San Francisco, CA · On-site

We're looking for exceptional interns who've already built real systems, contributed to open-source ... Whether your strength is in AI, systems, distributed compute, cryptography, or something unexpected ...

Zeeve Inc

Blockchain Trainee

Irvine, CA · On-site

Work with senior engineers to understand blockchain architectures (Ethereum, Polygon, Hyperledger ... Hands‑on projects or internships in blockchain or Web3 * Knowledge of Linux, Docker, or cloud ...

All JobsCryptography Engineer JobsCryptography Engineer Internship JobsCryptography Engineer Internship Jobs in California

Cryptography Engineer Internship information

What does a cryptography engineer intern do?

A Cryptography Engineer Intern assists in designing, developing, and testing secure cryptographic systems and protocols. Their work typically involves supporting senior engineers in implementing encryption algorithms, analyzing security vulnerabilities, and conducting research on cryptographic techniques. Interns may also help review code for security flaws and contribute to the development of secure software applications. This role offers hands-on experience with cutting-edge security technologies and fosters an understanding of how cryptography protects sensitive information.

What are the key skills and qualifications needed to thrive as a cryptography engineer intern?

To thrive as a Cryptography Engineer Intern, you need a strong foundation in computer science, mathematics (especially number theory and algebra), and familiarity with cryptographic algorithms, typically supported by coursework or relevant academic experience. Familiarity with programming languages such as Python, C/C++, and use of cryptographic libraries and tools (e.g., OpenSSL, GPG) is essential. Attention to detail, analytical thinking, and the ability to work collaboratively are crucial soft skills in this role. These skills ensure secure implementation and analysis of cryptographic protocols, contributing to robust data protection and system security.

What types of projects or tasks can I expect to work on during a cryptography engineer internship?

As a Cryptography Engineer Intern, you will typically assist with designing, analyzing, and implementing cryptographic protocols and algorithms. Your responsibilities may include supporting code reviews, performing security assessments, and helping to integrate cryptographic solutions into existing applications. Interns often work closely with senior engineers and security teams, gaining hands-on experience with real-world encryption challenges while contributing to projects that protect sensitive data. This role provides a unique opportunity to learn about the latest advancements in cryptography and develop practical skills in secure software development.

What is the difference between Cryptography Engineer Internship vs Cryptography Engineer?

AspectCryptography Engineer InternshipCryptography Engineer
Required CredentialsTypically pursuing or recent graduate in Computer Science, Cybersecurity, or related fieldsBachelor's or Master's in Computer Science, Cybersecurity, or related fields; relevant certifications may include CISSP, CEH
Work EnvironmentInternship programs in tech companies, research labs, or cybersecurity firmsFull-time roles in tech companies, financial institutions, or government agencies
Employer & Industry UsageUsed by companies to train and evaluate potential future employees in cybersecurityEmployed to develop and implement cryptographic solutions in security systems

The main difference between a Cryptography Engineer Internship and a Cryptography Engineer is experience level and responsibility. Internships are entry-level positions designed for students or recent graduates to gain practical experience, while full-time Cryptography Engineers develop and maintain security protocols and cryptographic systems. Internships serve as a stepping stone toward a full career in cryptography engineering.

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Cryptography Engineer Internship jobs near you

Internship

Prime Intellect

San Francisco, CA • On-site

Full-time

Re-posted 24 days ago

Job description

Own Your Intelligence
Prime Intellect is building the open superintelligence stack: the infrastructure frontier AI labs build internally, made available to every ambitious AI team.
Our platform, Lab, unifies compute, environments, evaluations, secure sandboxes, high-performance training, and deployment into one full-stack system for post-training at frontier scale - from SFT and RL to tool use, agent workflows, and continuously improving production models. We are building open frontier AI: open-source models trained end to end for long-horizon tasks like autonomous research, and the full-stack platform our own research team uses to build them. The next generation of AI companies, enterprises, and research teams do not just need more GPUs. They need the ability to turn their own workflows, tools, data, and feedback loops into superintelligence they own.
Prime Intellect has raised $150M in total funding from Founders Fund, Radical Ventures, NVIDIA, and exceptional AI, infrastructure, and enterprise operators - including Andrej Karpathy, Dwarkesh Patel, and leaders and founders from Ramp, Perplexity, Harvey, Mercor, Zapier, Datadog, Cognition, OpenAI, Thinking Machines, Together AI, SemiAnalysis, LangChain, Browserbase, Cloudflare, Sierra, Databricks, Airbnb, OpenRouter, Standard Intelligence, Fleet, Core Auto, and more. We are looking for people who want to build at the intersection of frontier research, real infrastructure, and go-to-market for a category that does not fully exist yet.
We're looking for exceptional interns who've already built real systems, contributed to open-source, or gone deep across technical domains.
If you thrive in open-ended, high-stakes problem spaces and want to push the limits of open, distributed AI, we want to hear from you. Whether your strength is in AI, systems, distributed compute, cryptography, or something unexpected, what matters is how fast you learn, how well you execute, and how deeply you think.
Tell us what excites you about PrimeIntellect, something impressive you've built, and how you'd accelerate decentralized AGI.

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