Requirements
Production experience building or auditing cross-chain bridges. Familiarity with HTLC, optimistic, or ZK bridging mechanisms. Solidity and Rust dual proficiency preferred. Security-first mindset is essential.
Description
All open positionsInteroperability EngineerAbout The RoleCross-chain infrastructure is where the next generation of financial rails is being built. The Fast Bridge connects Mintlayer and Ethereum. ZK Thunder settles on Mintlayer while remaining EVM-compatible. Future Bitcoin atomic swap expansions will make Mintlayer a hub for some of the most significant capital flows in the ecosystem.This is a role for someone who has thought deeply about what it actually takes to move value across chains securely — not theoretically, but in production. The technical surface spans Rust, Solidity, and ZK proofs. The opportunity to be the person who built the interoperability layer for one of the most ambitious Bitcoin finance protocols ever launched is genuinely rare.What You Will OwnOwn the Fast Bridge architecture and all cross-chain integration points between Mintlayer, Ethereum, and ZK ThunderDesign and implement secure bridge relay mechanisms with explicit threat modellingOptimize bridge latency for institutional-grade use casesAudit and review all bridge-adjacent code changes before mainnet deploymentDesign the Bitcoin atomic swap expansion roadmapBuild monitoring and alerting infrastructure for bridge healthCoordinate with the Blockchain Security Lead on external bridge audit engagementsWhat You BringProduction experience building or auditing cross-chain bridgesFamiliarity with HTLC, optimistic, or ZK bridging mechanismsSolidity and Rust dual proficiency preferredSecurity-first mindset — bridge security is existential, not peripheralBenefitsHealth & Prevention: Comprehensive, high-tier medical insurance with a focus on preventative medicine, annual executive health screenings, and diagnostic check-ups.Fitness & Wellness Programs: Monthly fitness allowances for premier gyms and studios, plus internal wellness initiatives including yoga, ergonomics workshops, and stress management.Competitive Compensation: Salary paid in your choice of fiat, Bitcoin, or stablecoins. ML token allocation and vesting for senior roles.Relocation Support: Full assistance with UAE residency visas and relocation to Abu Dhabi for on-site roles. We handle the paperwork.Flexible Working: Structured flexibility across on-site, hybrid, and fully remote roles. Core overlap hours respected across time zones.Global Team Meetups: Periodic gatherings with the full team around the world. The remote team is never remote from the culture.IMPORTANT NOTICE: Mintlayer will never charge any fees at any stage of the hiring process. No member of our team will ever request payment for job applications or opportunities. If you are contacted by anyone asking for money on behalf of Mintlayer, please be aware this is a scam. The only way to apply for roles is through the official links available on Mintlayer's website: mintlayer.comI declare that I am no less than 16 years old and that I have read the information on the processing of personal data as available on the privacy policy and that I consent to the processing of my personal data in order to receive periodic communications on the developments of the project and on further services relating to the project.Your subscription could not be saved. Please try again.Your subscription has been successful.DiscoverML CoinBlock ExplorerMojito WalletNewDocsBlogIn the MediaEventAboutZK ThunderBuildEcosystemSource CodeJoinCommunityOpen PositionsDownloadSocialsXTelegramInstagramFacebookReddit© Mintlayer.orgTerms & ConditionsPrivacy PolicyCookie SettingsML Coin AddressApply — Interoperability Engineer✓Application submittedThanks for applying for Interoperability Engineer. We'll review your application and get back to you within 2–3 weeks.WebsiteFull name *Email *Phone (optional)Current location / country *Years of relevant experience *Why this role *0 / 1500CV / Resume * PDF or DOCX, max 2 MBPortfolio / GitHub / writing samples URL (optional)I consent to Mintlayer processing my personal data for recruitment purposes, in accordance with the Privacy Policy. *