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Fuzzing Labs Jobs (NOW HIRING)

Paxos Labs

Smart Contract Engineer

New York, NY · On-site +1

Who we are Paxos Labs builds enterprise infrastructure that powers the next generation of trusted ... fuzzing, invariant testing (Foundry invariants or Echidna). * Experience with smart contract ...

Lemurian Labs

Front End Compiler

Santa Clara, CA · On-site

Experience with testing infrastructure for compiler correctness - fuzzing, differential testing, or ... Familiarity with MLIR, including defining and working with custom dialects Why Join Lemurian Labs

KBR, Inc.

Senior Vulnerability Researcher

Beavercreek, OH · On-site

$142K - $213K/yr

Build and maintain fuzzing pipelines, including target selection, harness development, seed/corpus ... Develop proof-of-concept exploits to demonstrate vulnerability impact in controlled labs * Create ...

Lemurian Labs

Front End Compiler

Santa Clara, CA

About Us At Lemurian Labs, we're reimagining the foundations of computing to make AI accessible to ... Experience with testing infrastructure for compiler correctness -- fuzzing, differential testing ...

Cogent Security

AI Research Engineer

San Francisco, CA · On-site

$100K - $300K/yr

Preeminent research labs like Deepmind and SAIL About the Role Cogent Research is the applied AI ... Design and execute automated testing and fuzzing strategies to validate and stress-test systems ...

Cogent Security

Research Scientist

San Francisco, CA · On-site

$100K - $300K/yr

Preeminent research labs like Deepmind and SAIL About the Role Cogent Research is the applied AI ... Design and execute automated testing and fuzzing strategies to validate systems under development

Aptos

Information Security Engineer, Product

About the Role At Aptos Labs we're pioneering the future of web3 and need a passionate Product ... Experience with automated security analysis tooling and frameworks (fuzzing, static analysis, etc ...

Jito Labs

Security Engineer

Concord, NC · Remote

Security reviews across our product portfolio - threat modeling, code review, fuzzing, and functional testing * Day-to-day bug bounty operations - triage, remediation tracking, and escalation of high ...

Jito Labs

Security Engineer

$175K - $195K/yr

Security reviews across our product portfolio - threat modeling, code review, fuzzing, and functional testing * Day-to-day bug bounty operations - triage, remediation tracking, and escalation of high ...

All JobsFuzzing Labs Jobs

Fuzzing Labs information

See salary details

$45K

$93.2K

$145K

How much do fuzzing labs jobs pay per year?

As of Jun 17, 2026, the average yearly pay for fuzzing labs in the United States is $93,170.00, according to ZipRecruiter salary data. Most workers in this role earn between $78,500.00 and $112,000.00 per year, depending on experience, location, and employer.

What are Fuzzing Labs?

Fuzzing Labs are specialized environments or platforms designed for testing software applications by automatically generating and inputting random, unexpected, or invalid data to uncover vulnerabilities and bugs. These labs provide tools and infrastructure for security researchers and developers to perform fuzz testing, often simulating real-world attack scenarios in a controlled setting. Fuzzing Labs help improve the security and robustness of software by identifying flaws that may not be detected through traditional testing methods.

What are the key skills and qualifications needed to thrive as a Fuzzing Lab Engineer, and why are they important?

To thrive as a Fuzzing Lab Engineer, you need a strong background in cybersecurity, programming (often in C/C++ or Python), and vulnerability analysis, typically supported by a relevant degree or certifications like OSCP. Familiarity with fuzzing tools (such as AFL, libFuzzer, or Peach), debugging environments, and automated testing frameworks is essential. Analytical thinking, problem-solving aptitude, and attention to detail are critical soft skills for identifying and investigating subtle software flaws. These competencies are vital for uncovering security vulnerabilities and enhancing the resilience of software systems.

What are some typical challenges faced by professionals working in fuzzing labs, and how can they be addressed?

Professionals in fuzzing labs often encounter challenges such as managing complex test environments, dealing with false positives, and maintaining up-to-date fuzzing tools for evolving software targets. Collaborating closely with developers and security teams helps prioritize and verify findings, while automation and robust logging can streamline issue triage. Staying current with new fuzzing techniques and regularly participating in team knowledge-sharing sessions are also important strategies for overcoming these challenges.

What is the difference between Fuzzing Labs vs Security Analyst?

AspectFuzzing LabsSecurity Analyst
Required CredentialsKnowledge of security testing, programming, and fuzzing toolsCertifications like CISSP, CEH, or Security+ often preferred
Work EnvironmentPrimarily technical, focused on vulnerability discovery and testingBroader security operations, including monitoring and incident response
Industry UsageUsed in cybersecurity firms, R&D, and software testing teamsCommon in security departments across various industries
Comparison Search IntentFocus on technical fuzzing and vulnerability discoveryBroader security roles and incident management

Fuzzing Labs specializes in vulnerability testing through automated fuzzing techniques, while Security Analysts focus on overall security monitoring, incident response, and risk management. Both roles are vital in cybersecurity but differ in scope and daily tasks.

Smart Contract Engineer

Paxos Labs

New York, NY • On-site, Remote

Full-time

Posted 26 days ago

Job description

Who we are
Paxos Labs builds enterprise infrastructure that powers the next generation of trusted onchain financial products. We work with the largest financial enterprises in the world to build transparent and verifiable onchain infrastructure that works for end users and everyday financial use cases. If you believe in bringing DeFi and digital assets to the mainstream, consider building your career at Paxos Labs.
We're hiring a Smart Contract Engineer to help scale Paxos Labs's DeFi protocol infrastructure capabilities.
Who we're looking for
The smart contract team at Paxos Labs consists of experienced developers who have shipped multiple decentralized primitives from lending markets to vaults.We are looking for a motivated developer that can not only develop, but aptly research and deploy extensive knowledge across DeFi to create mission critical software to bring DeFi to the biggest enterprises in the world.
Most importantly, we are looking for developers with interests in the following:
  1. DeFi Yield Strategies
  2. Tokenization
  3. Decentralized Lending
  4. Under/un-collateralized Lending

Responsibilities
  • Research and design novel protocol mechanisms around vaults, lending, and other DeFi primitives.
  • Lead protocol design decision making considering tradeoffs across trust assumptions and efficiency.
  • Develop solidity contracts and produce comprehensive test suites for the protocol.
  • Maintain exemplary organizational and security standards for an open source codebase.

Qualifications
Knowledge
Deep knowledge refers to having direct contributions or having integration experiences through related projects and knowing lower level details.
Familiarity refers to not having had direct contributions to the space but following topics at a high level with interest.
  • Deep knowledge in Lending codebases-Compound, Aave, Morpho Blue, MakerDAO, Euler, EVC, Liquity, Pendle.
  • Deep knowledgein Vaults codebases-Yearn V3, Metamorpho / Morpho V2, BoringVaults, ERC7540, Centrifuge, etc.
  • Familiarity with AMMs or solver networks-CoW Protocol, UniswapX, 1inch, Uniswap V3/V4.
  • Familiarity with RFQs-Hashflow, 1inch RFQ, or off-chain exchange systems (including TradFi)

Experience
  • Experience shipping production Solidity smart contract code to mainnet.
  • Experience developing and maintaining tests for smart contract code i.e. unit testing, fork testing, fuzzing, invariant testing (Foundry invariants or Echidna).
  • Experience with smart contract development tools such as Foundry (preferred) or Hardhat.
  • Familiarity with other smart contract development languages and frameworks such as, Vyper, Rust, Cairo, or Cosmwasm.
  • Experience as an active degen / investor / user in these DeFi protocols.

Other nice-to-haves
  • Personal experience in CTFs, gas golfing, hackathons.
  • Personal experience in blockchain architecture beyond solidity i.e. Rollups,
  • Personal experience as a degen/investor/user in DeFi protocols.
  • Personal experience in blockchain architecture beyond smart contracts i.e. node operations, rollup design, zero-knowledge proofs.

Why join us?
Joining Paxos Labs means becoming part of a pioneering team at the forefront of financial innovation for the mass market. You will have the opportunity to:
  • Build the Future: Play a critical role in transforming traditional enterprises with innovative crypto solutions.
  • Do Impactful Work: Contribute to projects that have a tangible impact on the global financial landscape.
  • Enable Personal Growth: Benefit from continuous learning and professional development in a rapidly evolving industry with an emphasis on personal career advancement.
  • Receive Competitive Compensation: Receive a competitive salary and participate in directly in ownership structures that provide top-of-the-line benefits.
  • Join A Dynamic Team: Thrive in a fast-paced, agile setting where your ideas are valued and your contributions are recognized.

Location
We are a heavily in-person team working in New York City. We prize effective in-person coordination that allows us to move fast. We also consider remote work on a case by case basis.
Once we receive your application, we'll be in touch if we are interested.

Apply