{"id":1572509,"url":"https://alion.io/job/bloomberg-senior-software-engineer-rdf-infrastructure","title":"Senior Software Engineer - RDF Infrastructure","company":{"id":7892,"name":"Bloomberg","domain":"bloomberg.com","url":"https://alion.io/company/bloomberg","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Avature","truth_index":{"grade":"A","score":100,"open_postings":26,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":17,"computed_at":"2026-10-22T06:10:10Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New York, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":160000,"max":240000,"currency":"USD","period":"year","gross":null,"usd_annual":240000},"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache HTTP Server","optional":false},{"name":"Java","optional":false},{"name":"RocksDB","optional":false},{"name":"PostgreSQL","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-10-01T08:29:07Z","employer_posted_date":"2026-10-01","last_verified_at":"2026-10-22T11:20:57Z","board_verified":true,"closed_at":null,"days_open":21,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":21},"description":"Our group\nThe BQL and Semantic Platformgroup builds the core query and semantic infrastructure used to access, analyze, model, and organize Bloomberg data.\nThe group develops the BQL engine, which powers Bloomberg Query Language and provides a common way to query and analyze data across Bloomberg. We also build the semantic platform used to define, manage, and materialize the semantic artifacts that describe Bloomberg data and the relationships between it.\nTogether, these capabilities provide the foundation for making Bloomberg data consistently queryable and semantically connected across products, applications, and emerging AI-driven use cases.\nOur team\nAs part of Bloomberg’s investment in Semantic Technologies, we are building and operating Bloomberg’s RDF triplestore infrastructure.\nOur team develops the database itself, working across the internals of graph storage and query processing rather than simply deploying or operating an existing database product.\nOur work spans physical storage and indexing, SPARQL query planning and execution, transaction and isolation semantics, statistics and cardinality estimation, inference, replication, scalability, and operational reliability.\nThe platform stores semantic models and large RDF datasets used by engineering teams across Bloomberg. We are responsible for making billions of RDF statements efficiently queryable while providing the performance, correctness, availability, and reliability expected of enterprise-grade database infrastructure.\nOur tech stack\nRDF4J, LMDB, RocksDB, PostgreSQL, Java, Python, SPARQL, SHACL, RDF, Inferencing\nYou’ll need to have\n4+ years of professional software development experience\nA degree in Computer Science, Engineering, Mathematics, a related field, or equivalent practical experience\nHands-on experience developing database or graph database internals, rather than solely building applications on top of databases\nExperience developing RDF triplestore, labeled property graph, or closely related graph database infrastructure\nStrong understanding of several areas of database implementation, such as:Storage engines, indexing, and physical data representation\nQuery planning, optimization, and execution\nTransactions, concurrency, and isolation\nCardinality estimation and database statistics\nCaching, memory management, and disk I/O\nReplication, recovery, or high-availability architecture\n\nStrong software engineering skills in Java or another systems-oriented programming language\nWe’d love to see\nDeep experience with Eclipse RDF4J, Apache Jena, or another RDF triplestore implementation\nExperience with labeled property graph database internalsor graph query engines\nExperience implementing or optimizing SPARQL, Cypher, Gremlin, or other graph query languages\nExperience with RDF or graph storage layouts and indexing strategies\nExperience contributing to or modifying open-source database engines\nExperience with LMDB, RocksDB, or other embedded key-value or storage engines\nKnowledge of RDF, SPARQL, SHACL, inference, and Semantic Web standards\nExperience diagnosing database performance at large scale, including memory, I/O, query planning, and storage bottlenecks\nSalary Range = 160,000 - 240,000 USD Annual + Benefits + Bonus\nThe referenced salary range is based on the Company's good faith belief at the time of posting. Actual compensation may vary based on factors such as geographic location, work experience, market conditions, education/training and skill level.\nWe offer one of the most comprehensive and generous benefits plans available and offer a range of total rewards that may include merit increases, incentive compensation (exempt roles only), paid holidays, paid time off, medical, dental, vision, short and long term disability benefits, 401(k) +match, life insurance, and various wellness programs, among others. The Company does not provide benefits directly to contingent workers/contractors and interns.\nDiscover what makes Bloomberg unique - watch our podcast series for an inside look at our culture, values, and the people behind our success.","description_format":"text","description_chars":4085,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":true},"security_clearance":false,"languages":[]},"benefits":["Life insurance","Wellness"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Financial Data & Market Intelligence","Financial News & Media"],"lifecycle":[{"event":"open","at":"2026-10-01T08:29:07Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 434 · green card filings: 457","filings_12m":434,"filings_prev_12m":472,"green_card_filings_12m":457,"median_offered_wage_usd":165065,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":245}],"liveness":{"score":40,"band":"fade","label":"Fading","p_open":1,"p_active":0.731,"p_room":0.55,"age_days":20,"expected_fill_days":17,"reasons":["conf:1","velocity","win:tail","comp:brand"],"computed_at":"2026-10-22T06:10:10Z"},"pay":{"stated_usd_annual":240000,"is_top_pay":true},"html_url":"https://alion.io/job/bloomberg-senior-software-engineer-rdf-infrastructure","json_url":"https://alion.io/job/bloomberg-senior-software-engineer-rdf-infrastructure.json","meta":{"generated_at":"2026-10-22T12:41:14Z","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":11282,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-23T00:00:00Z"}},"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":7892},"rest":"https://alion.io/mcp/rest/get_company?id=7892"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fbloomberg-senior-software-engineer-rdf-infrastructure"},{"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%2Fbloomberg-senior-software-engineer-rdf-infrastructure"},{"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%2Fbloomberg-senior-software-engineer-rdf-infrastructure"},{"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/bloomberg-senior-software-engineer-rdf-infrastructure\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fbloomberg-senior-software-engineer-rdf-infrastructure"}]}