{"id":3237114,"url":"https://alion.io/job/zeroto1-backend-engineer","title":"Backend Engineer","company":{"id":3193,"name":"Zeroto1","domain":"zeroto1.ai","url":"https://alion.io/company/zeroto1","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":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bengaluru, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Java","optional":false},{"name":"Maven","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Spring Boot","optional":false},{"name":"Spring Security","optional":false},{"name":"Stripe","optional":false}],"status":"live","first_seen_at":"2026-10-25T12:35:00Z","employer_posted_date":null,"last_verified_at":"2026-10-25T12:35:00Z","board_verified":false,"closed_at":null,"days_open":3,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":3},"description":"Looking for a candidate who is currently using Java and Spring Boot as their primary production stack. We need someone who can set backend conventions for the team while owning payment and external API integrations end-to-end. Specifically, this person will be responsible for:\n\nResponsibilities: \nPayment Integration: Managing the full PaymentIntent lifecycle, including webhooks, refunds, disputes, reconciliation, and async failure handling.\nExternal API Boundaries: Ensuring webhook security, idempotency, retries, and production debugging.\nAPI Contract Design: Establishing integration boundaries with the rest of the backend team.\n\nRequirements: \n5+ years of Java / Spring Boot experience in production.\nProficiency in setting conventions for Maven, Flyway, and Spring Security.\nDeep experience with Stripe or equivalent payment gateways.\nStrong background in webhook management and failure-handling logic.\nExperience with PostgreSQL and AWS at the application level (managing secrets, endpoints, and config changes).\nWe need someone who can step in as the strongest Java integration engineer on the team from day one.\nSkills\nJava, Spring Boot, Stripe, payment gateway","description_format":"text","description_chars":1174,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["AI Consulting & Integration"],"lifecycle":[{"event":"open","at":"2026-10-25T12:35:00Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":2,"expected_fill_days":24,"reasons":["seen:2","win:early"],"computed_at":"2026-10-28T05:59:10Z"},"pay":null,"html_url":"https://alion.io/job/zeroto1-backend-engineer","json_url":"https://alion.io/job/zeroto1-backend-engineer.json","meta":{"generated_at":"2026-10-28T15:47:11Z","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":21156,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-29T00:00:00Z"}},"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":3193},"rest":"https://alion.io/mcp/rest/get_company?id=3193"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fzeroto1-backend-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%2Fzeroto1-backend-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%2Fzeroto1-backend-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/zeroto1-backend-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fzeroto1-backend-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3237114}},{"tool":"search_jobs","arguments":{"company":"zeroto1.ai","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3237114},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"}}