Skip to main content

​
Senior Smart Contract Engineer

Remote · Full-time (Sep 2025)  SaucerSwap Labs builds and maintains the products behind SaucerSwap on Hedera—web and mobile apps, APIs, and analytics—and contributes to the DAO‑governed SaucerSwap Protocol. The protocol has processed over $4.8 billion in trades across hundreds of tokens, delivering fast, low‑fee swaps with open‑source transparency. We’re hiring an experienced smart contract engineer to help deliver the next generation of Hedera‑native DeFi. Responsibilities:
  • Design and implement Solidity contracts on Hedera (HSCS) leveraging HTS precompiles: AMM components, periphery/routers, order routing, oracle/TWAP, and new DeFi primitives
  • Research and apply modern smart‑contract patterns; contribute to ERC‑standard adoption on Hedera; define safe upgrade paths
  • Build rigorous test suites (unit, integration, fuzz/invariant) and run static analysis; coordinate external audits; plan and execute testnet→mainnet releases
Requirements:
  • 3+ years software engineering, including 2+ years shipping production Solidity
  • Deep EVM understanding (storage layout, reentrancy, access control, CREATE2, custom errors); experience with UUPS/Transparent upgrades
  • Proficiency with Foundry or Hardhat; OpenZeppelin and EIPs 712/2612/4626
  • Hedera experience (HSCS, HTS precompiles, Hedera SDK) and a track record deploying complex systems to mainnet (Hedera or other EVM)
Nice to Haves:
  • DEX/AMM development and oracle integrations
  • Strong math (fixed‑point/Q64.96)
  • Formal methods (Certora/Halmos/SMT) and audit experience
  • Mitigations for oracle manipulation and flash‑loan exploits
Compensation:
  • Remote-only, independent contractor; flexible hours with availability for global calls
  • $150k–$200k USD per year, paid bi‑weekly on invoice
  • Payment in fiat and/or tokens (contractor’s choice)
How to Apply:
  • Cover letter summarizing relevant Solidity/Hedera experience
  • Resume/CV with GitHub and deployed contract links (explorer links if available)
  • Brief write-up of a contract issue you diagnosed and solved
  • Your timezone and availability

​
Community Manager (APAC)

Tokyo Prefecture, Japan · Full-time (Sep 2025)  SaucerSwap Labs builds and maintains the products behind SaucerSwap on Hedera—web and mobile apps, APIs, and analytics—and contributes to the DAO‑governed SaucerSwap Protocol. The protocol has processed over $4.8 billion in trades across hundreds of tokens, delivering fast, low‑fee swaps with open‑source transparency. We’re hiring a Community Manager (APAC) to expand our presence across Asia with a focus on Japan. Based in Tokyo, you’ll execute growth and marketing under the Head of Growth’s strategy—building regional funnels, running campaigns, and localizing content—while collaborating with English‑speaking cross‑functional teams. Responsibilities:
  • Grow SaucerSwap in APAC through organic and community programs; drive acquisition, activation, and retention
  • Be embedded in the JP/APAC crypto scene; represent SaucerSwap at local events and online communities
  • Serve as our point of contact in Discord and regional Telegram; triage to support, developer relations, and engineering
  • Advocate for SaucerSwap across local channels; publish localized updates on X, Discord, and Telegram
  • Organize small, outcomes‑driven meetups and workshops in Tokyo/APAC that educate users and builders
  • Propose and execute joint initiatives with wallets, infrastructure providers, and ecosystem projects to increase activation
  • Share weekly reports with the Head of Growth and global team: key metrics, campaign results, partner pipeline, and product feedback
  • Operate within brand and compliance guardrails; communicate launches only when integrations are live
Requirements:
  • 1–2+ years in growth/marketing for APAC with measurable results
  • Japanese native or near‑native; English proficiency
  • Hands‑on with analytics tools (e.g., Amplitude, Mixpanel, Looker Studio) and disciplined UTM/cohort reporting
  • Experience managing regional social channels (X/Twitter, Discord, Telegram)
  • Familiarity with DeFi
  • Must be a Japanese citizen
Nice to Haves:
  • Crypto/DeFi projects in APAC; SEO/ASO for JP content
  • Event ops in Tokyo/APAC
  • Notion/Jira
  • Korean and/or Chinese proficiency
Compensation & Work Style:
  • Independent contractor; ¥3.5M–¥4.5M JPY / year
  • Remote-first with option to work from the Tokyo office; flexible hours with availability for global calls
  • Documentation‑first; security, accuracy, and compliance are non‑negotiable
⌘I