{"id":3244256,"url":"https://alion.io/job/swimlane-sr-principal-backend-engineer","title":"Sr. Principal Backend Engineer","company":{"id":9380,"name":"Swimlane","domain":"swimlane.com","url":"https://alion.io/company/swimlane","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Rippling","truth_index":{"grade":"B","score":75,"open_postings":5,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hyderabad, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":21000,"max_usd":53000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":74},"experience_years_min":12,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"C#","optional":false},{"name":"Docker","optional":false},{"name":"GCP","optional":false},{"name":"Kubernetes","optional":false},{"name":"PostgreSQL","optional":false},{"name":"ASP.NET Core","optional":true}],"status":"live","first_seen_at":"2026-10-25T18:35:30Z","employer_posted_date":null,"last_verified_at":"2026-10-25T18:35:30Z","board_verified":false,"closed_at":null,"days_open":3,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":3},"description":"We are looking for a high-impact Principal/Senior Principal Backend Engineer who can architect and build scalable backend systems powering enterprise-grade platforms. You will lead the design and development of high-performance distributed systems, work closely with product and platform teams, and drive engineering excellence across architecture, scalability, and reliability. This role requires deep expertise in C#/. NET backend development, strong database fundamentals, and experience building cloud-native systems at scale.\n\nResponsibilities: \nArchitect and build scalable backend services and APIs using C#/. NET.\nDesign high-performance distributed systems and enterprise-grade backend architectures.\nBuild and optimize data-intensive applications using MongoDB and PostgreSQL.\nDefinite technical standards, architecture patterns, and engineering best practices.\nCollaborate with product, platform, and engineering teams to deliver scalable features.\nMentor engineers and elevate code quality, design standards, and system reliability.\nIdentify performance bottlenecks and drive system scalability and optimization.\n\nRequirements: \nExperience: 9+ years.\nExperience with cloud platforms (AWS / Azure / GCP).\nExposure to Kubernetes, Docker, or containerized environments.\nExperience working on enterprise SaaS platforms.\nExposure to real-time systems or event-driven architectures.\n\nGood to Have: \nYou enjoy building automation systems that solve real security problems.\nYou like working at the intersection ofcybersecurity, engineering, and AI.\nYou prefer building production-grade systems rather than prototypes.\nYou take ownership and enjoy working in fast-paced product environments.\nSkills\n.NET, ASP.NET, AWS, Azure, C#, GCP, backend","description_format":"text","description_chars":1745,"description_truncated":false,"requirements":{"experience_years_min":12,"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":["Incident Response","Security Operations"],"lifecycle":[{"event":"open","at":"2026-10-25T18:35:30Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":3,"expected_fill_days":32,"reasons":["seen:3","velocity","win:early"],"computed_at":"2026-10-29T05:49:05Z"},"pay":null,"html_url":"https://alion.io/job/swimlane-sr-principal-backend-engineer","json_url":"https://alion.io/job/swimlane-sr-principal-backend-engineer.json","meta":{"generated_at":"2026-10-29T11:09:00Z","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":16832,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-30T00:00:00Z"}},"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":9380},"rest":"https://alion.io/mcp/rest/get_company?id=9380"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fswimlane-sr-principal-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%2Fswimlane-sr-principal-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%2Fswimlane-sr-principal-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/swimlane-sr-principal-backend-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fswimlane-sr-principal-backend-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3244256}},{"tool":"search_jobs","arguments":{"company":"swimlane.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3244256},"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. 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