Software Engineer (Engineer III to Principal) - Formal Methods

4 years agoSeniorSalary: 115K - 230KNY, Seattle, SF Remote Full Time Smart Contracts Jobs by CertiK

CertiK

CertiK is a Web3 security platform providing blockchain and smart-contract audits, formal verification, compliance and risk intelligence, monitoring, and validator services.

Series B0 current maintainers0 active leadsTeam intelligence

Maintainer signals as of 9/25/2026

New York, New York, United States

Funding history

Series B ($24M)Series B ($24M)Series B ($37M)

Investors

GL Ventures DHVC (Danhua Capital)NGC Ventures Lightspeed Venture Partners Eden Block

Projects

SkynetRisk Assessment

SkyHarborRisk Assessment

SkyInsightsOnchain Compliance and Investigations

SkyNodeStaking Service

Shentu ChainL1

About CertiK

CertiK is a New York-based Web3 security company founded in December 2017 by professors from Yale and Columbia. Its current offerings include smart-contract and blockchain audits, formal verification, penetration testing, DLT security, KYC and regulatory compliance services, SkyInsights risk analytics, Skynet security intelligence, validator operations, AI Auditor, CertiK Hunt, and Skylens.

View jobs by CertiK

Skills

Abstract Interpretation Algorithm Automata Theory Automated Testing Ci/Cd Data Flow Analysis Data Structure Deductive Verification Formal Verification Haskell Mathematical Logic Model Checking Ocaml Programming Language Sat Smt

Candidate Availability

Remote · United States · Required

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

Design and develop tools that verify smart-contract correctness and identify security issues. Implement symbolic model checking, SAT/SMT solving, abstract interpretation, data-flow analysis, and deductive verification, while contributing across the software lifecycle.

Requirements

Master's degree in Computer Science or related field, or five years of equivalent experience
At least four years of software development experience, including internships, research, or open source
At least two years of experience with model checking, formal verification, SAT/SMT solving, abstract interpretation, or related disciplines
Knowledge of data structures, algorithms, mathematical logic, and automata theory
Preferred: PhD in automated reasoning or publications in relevant conferences
Preferred: Experience with OCaml or Haskell
Strong problem-solving, collaboration, and learning skills

Responsibilities

Extend automated program verification tools and implement new tools
Improve symbolic software model-checking algorithms including BMC, CEGAR, and IC3/PDR
Build translators into intermediate representations and optimize generated models
Formalize new smart-contract security properties for automated verification
Collaborate with engineers and management on technical direction
Deliver software across analysis, design, testing, operations, CI/CD, measurement, feedback, and support

Benefits