{"id":3307748,"url":"https://alion.io/job/techchain-talent-principal-engineer","title":"Principal Engineer","company":{"id":4476923,"name":"TechChain Talent","domain":"techchaintalent.xyz","url":"https://alion.io/company/tech-chain-talent","size_band":"11-50","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Schema","truth_index":{"grade":"B","score":75,"open_postings":8,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-27T05:46:45Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Singapore"],"countries":["SG"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":180000,"max":220000,"currency":"USD","period":"year","gross":null,"usd_annual":220000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"C++","optional":false},{"name":"Go","optional":false},{"name":"JavaScript","optional":false},{"name":"Kubernetes","optional":false},{"name":"Python","optional":false},{"name":"Rollup","optional":false},{"name":"Smart Contracts","optional":false},{"name":"Solidity","optional":false}],"status":"live","first_seen_at":"2026-08-11T13:54:45Z","employer_posted_date":"2026-08-11","last_verified_at":"2026-10-27T07:13:24Z","board_verified":true,"closed_at":null,"days_open":76,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":76},"description":"Principal Engineer\nLocation: Singapore\nSalary: $180K - $220K\nAbout the Company We are building the Everything Store for Finance. We have combined three powerful financial primitives: Exchange, Asset Management, and Borrow/Lend, all seamlessly composable and accessible through one unified account that uses your entire portfolio as collateral, including spot and derivative assets.\nTrade 250+ markets on a super exchange with zero fees, better-than-CEX liquidity, and institutional-grade privacy, all built on a blazingly fast blockchain. Backed by top-tier investors, we are scaling fast and building a team of mission-driven engineers to redefine what is possible in decentralised finance. There are no product managers, no managers, no 1:1s.\nJust code. You will work directly with our CEO and a small, elite team of builders every day, pushing the limits of performance and UX. Platform scale: - $200B+ lifetime volume - $1.2B+ average daily volume - $60M+ total value locked About the Role As a key member of the product engineering team, you will own the entire lifecycle of major features: from concept to launch.\nWe are looking for someone with deep expertise in distributed systems and hands-on experience building on blockchain smart contract platforms. You will work in a dynamic cross-functional team, driving high-impact features that directly benefit our users. Some projects will focus on enhancing the customer experience, while others will tackle critical challenges of scalability, integrations, and performance optimisations.\nKey Responsibilities - Protocol Development: design and implement a decentralised protocol for crypto derivatives trading, including developing, testing, and deploying systems and smart contracts - API and SDK Development: design and develop APIs and SDKs to support robust trade execution services - System Monitoring: own monitoring, alarming, analytics, and reporting for all services you build, ensuring they meet high performance and responsiveness standards - Effective Communication: collaborate and communicate requirements effectively within and across teams to ensure alignment on project goals Requirements - 8+ years of backend engineering experience, ideally from ideation to launch within a strong engineering team - In-depth knowledge and hands-on experience with modern programming languages including Javascript, Python, Golang, Java, or C++ - Proficiency in basic cryptography and experience with Solidity for creating upgradeable smart contracts - Hands-on experience building on blockchain platforms; comfortable with cloud-native AWS infrastructure and/or Kubernetes - Deep understanding of the cryptocurrency ecosystem and underlying technologies including blockchain, PoW, PoS, and L1/L2 technologies - Interest in ZK-Rollups and cutting-edge blockchain technologies Benefits - Competitive compensation - Unlimited vacation - Comprehensive benefits packages tailored by country - Flat structure with no unnecessary meetings","description_format":"text","description_chars":2990,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"Singapore","iso":"SG","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Cryptocurrencies"],"lifecycle":[{"event":"open","at":"2026-10-27T02:12:15Z"}],"visa":[],"liveness":{"score":6,"band":"cold","label":"Long shot","p_open":1,"p_active":0.207,"p_room":0.28,"age_days":76,"expected_fill_days":27,"reasons":["conf:3","agency","win:tail","crowd:"],"computed_at":"2026-10-27T05:46:45Z"},"pay":{"stated_usd_annual":220000,"is_top_pay":true},"html_url":"https://alion.io/job/techchain-talent-principal-engineer","json_url":"https://alion.io/job/techchain-talent-principal-engineer.json","meta":{"generated_at":"2026-10-27T11:37:44Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":13786,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-28T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":4476923},"rest":"https://alion.io/mcp/rest/get_company?id=4476923"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftechchain-talent-principal-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Ftechchain-talent-principal-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Ftechchain-talent-principal-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/techchain-talent-principal-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftechchain-talent-principal-engineer"}]}