Web3 Jobs in United States

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Job Position Company Posted Location Salary Tags

Blockchain 121

New York, NY, United States

$200k - $250k

Tiens

New York, NY, United States

$54k - $89k

PIP Labs

United States

$105k - $171k

Fmr

Boston, MA, United States

$85k - $179k

Guidehouse

Los Angeles, CA, United States

$310k - $520k

Circle

United States

$187k - $240k

Seamless Protocol

United States

$90k - $183k

Ncratleos

Atlanta, GA, United States

$90k - $100k

travoom

Austin, TX, United States

$87k - $87k

Whatnot

San Francisco, CA, United States

$101k - $110k

Whatnot

New York, NY, United States

$90k - $145k

Whatnot

New York, NY, United States

$180k - $285k

Whatnot

New York, NY, United States

$115k - $160k

Public

New York, NY, United States

$120k - $150k

Public

New York, NY, United States

$81k - $84k

Blockchain 121
$200k - $250k
New York City Metropolitan Area US
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Blockchain Engineer, New York (Hybrid), $200k–$250k base, Smart Contracts


A high-impact opportunity for an experienced Blockchain Engineer to join a fast-moving startup working at the forefront of decentralized finance. This role offers the chance to shape and build core infrastructure that enables new financial primitives, making complex trading mechanisms accessible and intuitive for users. You’ll be part of a small, agile team focused on rapid iteration and robust performance — designing smart contracts and backend systems from the ground up.


What You'll Do:

  • Design and implement smart contracts that support novel DeFi market structures (e.g., perpetuals, options, CLOBs)
  • Build secure, scalable backend systems that power live trading protocols
  • Take ownership of end-to-end features and collaborate closely across product and engineering
  • Deliver production-grade code in fast development cycles

Must-Have Experience:

  • Proven experience shipping DeFi smart contracts in live protocols with active users
  • 4+ years backend engineering experience (Rust/Java preferred, open to modern server-side languages)
  • Strong understanding of scalable and secure system design

Nice to Haves:

  • Deep familiarity with smart contract best practices and DeFi security standards
  • Strong system design abilities, both high-level and low-level
  • Experience with concurrent/parallel systems and optimization
  • Hands-on experience with cloud infrastructure (e.g., AWS)
  • API design experience for production environments
  • Contributions to open-source crypto projects