{"id":2495790,"url":"https://alion.io/job/tetra-digital-group-senior-full-stack-engineer","title":"Senior Full-Stack Engineer","company":{"id":4430113,"name":"Tetra Digital Group","domain":"tetradg.com","url":"https://alion.io/company/tetra-digital-group","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Toronto, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":75000,"max_usd":137000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":209},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"TypeScript","optional":false},{"name":"SOC 2","optional":true}],"status":"live","first_seen_at":"2026-08-31T00:00:00Z","employer_posted_date":null,"last_verified_at":"2026-08-31T00:00:00Z","board_verified":false,"closed_at":null,"days_open":45,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":45},"description":"Tetra Digital Group is looking for a Senior Full-Stack Engineer to build client APIs operations tooling stablecoin product flows and reliable ledger systems.\n\nYou will build and maintain client-facing APIs, internal operations tooling, stablecoin minting and redemption flows, attestation reporting, and reconciliation views. You will focus on ledger integrity, idempotency, replay safety, auditability, and production reliability while participating in shared on-call coverage.\n\nResponsibilitiesBuild and maintain client-facing APIs and integrations\nDevelop internal operations tooling for authorizing asset movements\nImplement mint redeem and attestation reporting flows\nBuild partner-facing stablecoin tooling\nMaintain ledger integrity idempotency reconciliation and replay safety\nWrite tests for financial correctness\nBuild audit-ready systems\nParticipate in shared production on-call coverage\n\nRequirements5+ years of experience shipping production software with post-launch accountability\nStrong TypeScript and Node experience\nCompetence with React\nRelational data skills including schema design and transactional integrity\nExperience designing APIs used by external teams\nAbility to make defensible decisions in ambiguous situations\nDiscretion when accessing important systems\nCrypto experience is a plus but not required\nExperience in a regulated environment such as SOC 2 NI 31-103 PCI or OSFI-adjacent is a plus\nExperience with double-entry ledgers is a plus\nExperience integrating blockchain nodes exchange APIs or bank payment rails is a plus\n\nBenefitsComprehensive health dental and paramedical coverage\n$1,000 annual learning budget\nHybrid work in Toronto with real flexibility\nGenerous vacation","description_format":"text","description_chars":1709,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Generous vacation"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Cryptocurrencies"],"lifecycle":[{"event":"open","at":"2026-10-14T04:23:17Z"}],"visa":[],"liveness":{"score":10,"band":"cold","label":"Long shot","p_open":0.4,"p_active":0.576,"p_room":0.45,"age_days":45,"expected_fill_days":23,"reasons":["seen:45","win:tail"],"computed_at":"2026-10-15T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/tetra-digital-group-senior-full-stack-engineer","json_url":"https://alion.io/job/tetra-digital-group-senior-full-stack-engineer.json","meta":{"generated_at":"2026-10-15T22:23:15Z","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":33976,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-16T00:00:00Z"}},"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":4430113},"rest":"https://alion.io/mcp/rest/get_company?id=4430113"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftetra-digital-group-senior-full-stack-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%2Ftetra-digital-group-senior-full-stack-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%2Ftetra-digital-group-senior-full-stack-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/tetra-digital-group-senior-full-stack-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftetra-digital-group-senior-full-stack-engineer"}]}