Find the Best Cryptography Jobs
Check out a sample of the 45 Cryptography jobs posted on Upwork
Rust building
Hourly ‐ Posted 23 days agoHours needed
Duration
Experience level
Building a Rust-based security research tool that correlates multiple CVEs across different classes — privilege escalation, information…
Solidity Smart Contract Security Verification Review – ELX Ecosystem
Hourly ‐ Posted 22 days agoHours needed
Duration
Experience level
We already completed an initial audit and fixed the reported findings. Now we need an experienced Solidity security engineer to perfor…
Senior JavaScript/Web Crypto Developer
Hourly ‐ Posted 20 days agoHours needed
Duration
Experience level
Seeking a senior JavaScript/Web Crypto developer with expertise in ECDH P-256, AES-256-GCM, and browser-based cryptographic implementat…
Blockchain Investigator with Tracing Tools
Fixed-price ‐ Renewed 19 days agoFixed-price
Experience level
Need a blockchain investigator with access to Chainalysis, TRM Labs, Elliptic, Breadcrumbs Enterprise, or similar blockchain tracing to…
Code signing
Fixed-price ‐ Posted 18 days agoFixed-price
Experience level
Code Signing Services for Regular Application Updates ------------------------------------------------------------------ We are seeking…
Rust developers
Hourly ‐ Posted 23 days agoHours needed
Duration
Experience level
Building a Rust-based security research tool that correlates multiple CVEs across different classes — privilege escalation, information…
Web3/blockchain engineer
Hourly ‐ Posted 21 days agoHours needed
Duration
Experience level
We are looking for an experienced Web3/Blockchain Engineer to help us build decentralized applications and smart contracts. You should…
External Penetration Test - Request for Proposal
Hourly ‐ Posted 20 days agoHours needed
Duration
Experience level
We are seeking a qualified external penetration tester to conduct a black-box / grey-box assessment of two internet-exposed targets, pr…
Marketplace Security / Anti-Fraud Expert Needed for Technical Consultation
Fixed-price ‐ Posted 18 days agoFixed-price
Experience level
I’m looking for an experienced cybersecurity / anti-fraud researcher with deep technical knowledge of marketplace security systems, bro…
Quantum Computing Expert — Willow Early Access Proposal Review & Collaboration
Fixed-price ‐ Renewed 17 days agoFixed-price
Experience level
We are preparing a research proposal for Google's Willow Early Access program and seeking a qualified collaborator (PhD student, post-d…
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