{"id":1227306,"url":"https://alion.io/job/ilead-senior-backend-engineer","title":"Senior Backend Engineer","company":{"id":3800606,"name":"Ilead","domain":"ileadhr.com","url":"https://alion.io/company/ilead-3","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":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["India"],"countries":["IN"],"hiring_countries":["IN"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":21000,"max_usd":60000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":22},"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"SQL","optional":false},{"name":"PostgreSQL","optional":true}],"status":"live","first_seen_at":"2026-09-25T04:26:58Z","employer_posted_date":null,"last_verified_at":"2026-09-25T04:26:58Z","board_verified":false,"closed_at":null,"days_open":6,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":6},"description":"Senior Backend Engineer - Payments & Wallet\n\nLocation : Remote\n\nEmployment : Full-time\n\nExperience : 7+ years, preferably including fintech/payments\n\nAbout the Role : \n\nWe are looking for an exceptional Senior Backend Engineer specializing in payments and financial systems to join a small engineering team building and operating a regulated fintech platform.\n\nYou will take significant ownership of the systems responsible for moving and accounting for customer money.\n\nThis is a senior engineering role with substantial responsibility for transaction integrity, reliability and financial correctness.\n\nWhat You Will Build and Own : \n\n- Digital wallets\n\n- Financial ledger\n\n- Payment processing\n\n- Salary payment processing\n\n- Payment gateway integrations\n\n- Bank integrations\n\n- Remittance integrations\n\n- Merchant payments\n\n- Withdrawals\n\n- Refunds and reversals\n\n- Transaction limits\n\n- Settlement\n\n- Reconciliation\n\n- Transaction history\n\n- Financial reporting\n\n- Internal operational tools\n\nResponsibilities : \n\n- Design and develop reliable backend services\n\n- Build and maintain financial transaction workflows\n\n- Maintain ledger integrity\n\n- Design transaction state machines\n\n- Implement idempotent APIs and transaction processing\n\n- Handle payment failures, retries and duplicate callbacks\n\n- Implement refund and reversal mechanisms\n\n- Build settlement and reconciliation services\n\n- Integrate banks, payment providers and other financial institutions\n\n- Design scalable database structures\n\n- Build automated reconciliation controls\n\n- Develop monitoring and alerting around financial transactions\n\n- Write comprehensive unit and integration tests\n\n- Participate in architecture and code reviews\n\n- Investigate and resolve production incidents\n\n- Maintain complete auditability of financial transactions\n\nRequired Experience : \n\n- Strong backend engineering experience using modern backend technologies.\n\n- Excellent understanding of : \n\n1. SQL/PostgreSQL\n\n2. Relational databases\n\n3. API design\n\n4. Distributed systems\n\n5. Database transactions\n\n6. Concurrency\n\n7. Message queues\n\n8. Event-driven systems\n\n9. Caching\n\n10. Authentication and authorization\n\n11. Secure coding practices\n\nFinancial Systems Knowledge : \n\nWe strongly prefer candidates who understand : \n\n- Digital wallets\n\n- Double-entry ledgers\n\n- Payment processing\n\n- Transaction lifecycle management\n\n- Settlement\n\n- Reconciliation\n\n- Refunds\n\n- Reversals\n\n- Idempotency\n\n- Financial audit trails\n\nExperience building production systems at a fintech, bank, payment gateway, wallet, acquiring company or payment processor is highly desirable.\n\nThe Type of Engineer We Want : \n\nWe are not looking for someone who simply implements API specifications.\n\nWe want an engineer who asks : \n\n- What happens if the payment provider processes the transaction but our server never receives the response?\n\n- What happens if we receive the same callback twice?\n\n- How do we prove that the customer's balance is correct?\n\n- How do we reconcile our ledger against an external payment provider?\n\n- How do we safely recover from a partial failure?\n\nIf these are the types of engineering problems you enjoy solving, we would like to speak with you.\nSkills\nSQL, PostgreSQL, Distributed Systems, API, Payment Gateway, Payment Processing","description_format":"text","description_chars":3295,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"India","iso":"IN","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-09-25T13:06:44Z"}],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.901,"p_room":1,"age_days":6,"expected_fill_days":30,"reasons":["seen:6","velocity","win:early"],"computed_at":"2026-10-01T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/ilead-senior-backend-engineer","json_url":"https://alion.io/job/ilead-senior-backend-engineer.json","meta":{"generated_at":"2026-10-01T19:03:37Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1413,"day_limit":5000,"remaining_today":3587,"minute_limit":60,"resets_at":"2026-10-02T00:00:00Z"}}}