{"id":4216994,"url":"https://alion.io/job/diamond-foundry-senior-software-engineer-python-backend-manufacturing-systems","title":"Senior Software Engineer – Python Backend & Manufacturing Systems","company":{"id":14996,"name":"Diamond Foundry","domain":"df.com","url":"https://alion.io/company/diamond-doundry","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"B","score":74,"open_postings":6,"ghost_share":0,"stale_share":0.833,"repost_share":0,"time_to_fill_p50_days":62,"computed_at":"2026-11-14T05:58:10Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":150000,"max":175000,"currency":"USD","period":"year","gross":null,"usd_annual":175000},"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"MQTT","optional":false},{"name":"OPC UA","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"FastAPI","optional":true},{"name":"Flask","optional":true}],"status":"live","first_seen_at":"2026-11-12T21:54:19Z","employer_posted_date":"2026-11-12","last_verified_at":"2026-11-14T18:09:49Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"We are looking for an experienced, communicative Senior Software Engineer to own the data pipelines, internal systems, and APIs that power our real-time manufacturing and R&D operations. What we need from you is deep, production-grade Python expertise and the ability to own a project end-to-end: partnering directly with material engineers, technicians, and hardware engineers to turn ambiguous operational challenges into working production software.\nThis role will be on-site 5 days a week in either our South San Francisco office or our Fremont, CA office.\nResponsibilities\nOwn technical initiatives from inception to delivery: translate operational needs into technical roadmaps, architectural specs, and deployable code.\nArchitect and scale end-to-end Python backends, spanning high-throughput event pipelines, internal REST APIs, and automated data processing tools. \nInterface directly with internal clients (production technicians, metrology specialists, and R&D engineers) to diagnose workflow bottlenecks and validate solutions on the floor. \nOptimize database performance and schema design for high-frequency telemetry, process metrics, and traceability data. \nPartner with our front-end engineers to define clean API contracts and data models for operator-facing UI’s.\nRequirements\n4+ years of software engineering experience with production Python as your primary language (experience with industrial protocols like MQTT, Modbus, OPC-UA, or PLCs is a strong plus). \nProven end-to-end project ownership with the ability to define roadmaps, write specs, and execute code independently (experience working in manufacturing, hardware-in-the-loop, or physical R&D environments is a plus). \nFull-lifecycle Python backend expertise across REST APIs, event/data pipelines, and automation scripts (hands-on experience with FastAPI, Flask, or async processing is a plus). \nExceptional interpersonal and communication skills to run discovery directly with non-software stakeholders like scientists, technicians, and operations teams (experience scoping technical requirements directly from physical shop-floor workflows is a plus). \nStrong querying skills with schema 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