{"id":2205838,"url":"https://alion.io/job/welo-data-senior-sdet-india","title":"Senior SDET (India)","company":{"id":693988,"name":"Welo Data","domain":"welodata.ai","url":"https://alion.io/company/welodata","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"QA","role_family":"QA","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":12000,"max_usd":29000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":20},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-10-09T21:17:28Z","employer_posted_date":null,"last_verified_at":"2026-10-09T21:17:28Z","board_verified":false,"closed_at":null,"days_open":4,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":4},"description":"Job Overview\n\nWe are looking for a Senior SDET to test the resilience and correctness of distributed backend systems supporting a high-stakes account provisioning and onboarding workflow. This role is focused on the execution of pre-approved, benign tracer/replay scenarios against staging endpoints, analysis of request/response behaviour, and documentation of observable account/CID lifecycle and downstream state behaviour.\n\nThe ideal candidate has strong distributed-systems and API-testing experience and maintains disciplined technical evidence capture and traceability.\n\nThis role is not intended to perform unrestricted adversarial testing. Testing activities will be limited to approved staging environments and pre-approved benign scenarios.\n\nProject Details\n\nTitle: Senior SDET\n\nRate: $13.5/hr\n\nStart Date: 19th October\n\nDuration: 5 Weeks\n\nCommitment: 33 Hours per Week\n\nLocation: India (Remote)\n\nJob Type: Freelance\n\nResponsibilities\n\nAnalyze distributed system APIs to validate correctness, consistency, and failure handling across services involved in account creation, data persistence, and related record-linking \nExecute pre-approved request variations and boundary-validation scenarios using sanitized tracer payloads against designated staging endpoints. \nInvestigate system behavior under malformed, malicious, or unexpected inputs and document findings clearly \nCapture complete request/response evidence, including HTTP status codes, latency, headers, and payload bodies, subject to approved data-handling requirements. \nValidate behavior of near-real-time inline checks (evaluated within milliseconds at the gateway) as distinct from longer-running background verification/risk pipelines (evaluated over minutes to hours), confirming each layer of defense behaves as expected \nVerify data persistence, referential integrity, and correct linkage of related records/relationships written by backend services during processing \nExecute controlled replay suites and compare expected versus observed API behavior. \nCorrelate replay results with the API schemas and network evidence produced by the Middleware SDET. \nDocument observable account/CID lifecycle behavior and downstream state changes for handoff \nCapture and archive test logs and evidence in a structured, retrievable format to support audits and post-incident reviews \nCollaborate with backend engineering teams to reproduce, isolate, and validate fixes for distributed-system defects \nContribute to test strategy for backend/middleware reliability, including failure-mode and chaos-style testing \nMaintain traceability between test evidence, defects, and system requirements \nReconcile backend observations with the frontend FSM and middleware/API evidence produced by earlier workstreams.\n\nRequired Qualifications\n\nStrong experience of 5-8+ years in testing distributed systems and analyzing inter-service API behavior \nHands-on experience with request payload tampering, fuzzing, or adversarial API testing techniques \nUnderstanding of layered defense architectures, including the distinction between synchronous/inline validation and asynchronous/background verification processes \nFamiliarity with testing data persistence and relational/hierarchical integrity in backend data stores \nDemonstrated discipline in test log archival, evidence capture, and structured documentation practices \nSolid understanding of backend/middleware architecture, failure modes, and system boundaries \nFamiliarity with API testing tools and scripting for building custom fuzzing/tampering test cases \nStrong analytical and investigative skills for root-causing complex, systemic defects \nExperience executing controlled API replay or staging validation is strongly preferred. \nExperience correlating API responses with observable application/account lifecycle states is preferred. \nExperience supporting audit, compliance, or evidence-based reporting requirements is a plus","description_format":"text","description_chars":3941,"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":[],"hiring_locations":[{"name":"India","iso":"IN","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Machine Learning","AI Training Data & Annotation"],"lifecycle":[{"event":"open","at":"2026-10-09T23:09:30Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":3,"expected_fill_days":31,"reasons":["seen:3","win:early"],"computed_at":"2026-10-13T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/welo-data-senior-sdet-india","json_url":"https://alion.io/job/welo-data-senior-sdet-india.json","meta":{"generated_at":"2026-10-14T02:16:34Z","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 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