{"id":2722782,"url":"https://alion.io/job/kharon-senior-data-engineer-data-products-apis","title":"Senior Data Engineer, Data Products & APIs","company":{"id":63402,"name":"Kharon","domain":"kharon.com","url":"https://alion.io/company/kharon","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Pinpoint","truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":95000,"max":115000,"currency":"GBP","period":"year","gross":null,"usd_annual":152450},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agentic Workflows","optional":false},{"name":"AI Agents","optional":false},{"name":"Apache Kafka","optional":false},{"name":"AWS Glue","optional":false},{"name":"Claude","optional":false},{"name":"Cursor","optional":false},{"name":"FastAPI","optional":false},{"name":"Flask","optional":false},{"name":"LLM","optional":false},{"name":"LLM Evaluation","optional":false},{"name":"NLP","optional":false},{"name":"Pandas","optional":false},{"name":"Polars","optional":false},{"name":"pySpark","optional":false},{"name":"Python","optional":false},{"name":"Spring Boot","optional":false},{"name":"SQL","optional":false},{"name":"Amazon Neptune","optional":true},{"name":"Docker","optional":true},{"name":"ElasticSearch","optional":true},{"name":"GDPR","optional":true},{"name":"Java","optional":true},{"name":"Kubernetes","optional":true},{"name":"Neo4j","optional":true},{"name":"Spark","optional":true}],"status":"live","first_seen_at":"2026-10-15T15:22:40Z","employer_posted_date":"2026-10-15","last_verified_at":"2026-10-17T19:41:23Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"TL;DR Kharon is seeking a full-time London-based Senior Data Engineer.\n\nLocation: London, UK\nAnnual Remuneration: £95,000 - £115,000 salary and discretionary annual bonus\nPay Frequency: Monthly\nProbationary Period: 180 days\n Work Arrangement: Hybrid, 3-days per week\nRESPONSIBILITIES:\nDesign, deploy, and maintain data-intensive pipelines and APIs that match real-world entities, relationships, and risk factors, including the deduplication and canonicalization logic behind corporate data, and the checks that validate the quality and consistency of that data.\nBuild reusable Python packages and APIs, following software best practices, that expose reconciled entity data as a central service for other Kharon engineering teams.\nHelp mature experimental ML models and agentic systems into production, including monitoring, evaluation harnesses, and version control.\nTake an active, big-picture role in driving improvement to Kharon’s technical architecture.\nWork at a fast, AI-assisted development pace (Claude, Cursor); prior LLM tool experience is not required, but comfort adapting to an agentic workflow is.\nFollow good engineering practices: documentation, diagrams, and unit/validation testing.\nQUALIFICATIONS:\nDirect experience designing and deploying sophisticated data solutions, ideally including advanced models such as NLP, search algorithms, or graph analytics.\nStrong API design and ownership experience, ideally with FastAPI (Flask/Spring Boot acceptable).\nStrong Python fundamentals, including Pandas, PySpark, or Polars.\nSQL and relational database experience: schema design, access patterns, and query performance optimization.\nExperience designing and maintaining Python libraries used by other engineering teams.\nExperience with data pipeline technologies (Airflow, Kafka, AWS Glue, or equivalents).\nStrong verbal and written communication skills, with the ability to justify architectural decisions to both engineering and business stakeholders.\n NICE TO HAVE:\nExperience taking ML models from prototype to production, including monitoring, versioning, and evaluation.\nExperience with graph databases (Neo4j, Neptune) or graph-based data modeling.\nFamiliarity with fuzzy-matching/entity-resolution libraries (Splink, Dedupe.io, Senzing, Zingg).\nExperience with Elasticsearch data and query modeling.\nContainer-based deployment experience (Docker, Kubernetes).\nInterest or experience in geopolitics, sanctions compliance, or financial risk.\nABOUT KHARON:\nKharon operates at the nexus of global security and is on a mission to revolutionize the current landscape. We take complex data as it relates to global security and empower our clients to not only understand the risk associated with their potential business relationships but to operationalize that data so that they can make the best and most informed decisions possible.\n\nFrom financial crimes and sanctions to export controls and threat identifications, our tools optimize protection against the types of risks that could otherwise be incredibly dangerous and excessively costly to any business. Serving many of today’s leading global financial and multinational institutions, Kharon products are the most powerful in the space with a precision and depth that is absolutely unparalleled.\n\nWhen you look at any major global crisis event, we’re providing intelligence that’s at the heart of those circumstances. We connect the dots in a way that’s meaningful. As the world continues to evolve in complexity, so too does the demand for our products. Given the significance of our work and the increasing global reliance on our insights, we are looking for a Senior Data Engineer to join us as we work to shape the way businesses perceive and navigate global risks.\n\nCompany Benefits\nFully-sponsored private health insurance \nPension plan with 3% employer contribution\nAnnual leave plus bank holidays\n\nDISCLOSURES\nKharon is committed to cultivating and maintaining a workplace that is free from harassment and discrimination. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, ethnicity, gender, gender identity or expression, sexual orientation or identity, neurodiversity, appearances, age, protected veteran status, or status as a qualified individual with disability.\n\nWe are committed to making reasonable adjustments to support disabled applicants and employees. If you require any adjustment to participate in the recruitment process, please contact \n\nYou must have the right to work in the UK. Kharon is unable to offer visa sponsorship for this role.\n\nUNITED KINGDOM Candidate Privacy Notice\n\nKharon is committed to protecting your personal data in accordance with the UK General Data Protection Regulation (UK GDPR) and the Data Protection Act 2018. We collect the personal data you submit as part of your application - including your name, contact details, employment history, and qualifications - to assess your suitability for the role. Our lawful basis for processing is legitimate interests (Article 6(1)(f) UK GDPR).\n\nIf your application is unsuccessful, your data will be retained for up to 12 months before being securely deleted. If you accept a role, your data will transfer to your employee record.\n\nYou have the right to access, correct, or request deletion of your data, to object to or restrict its processing, and to lodge a complaint with the UK data protection authority, the ICO, atwww.ico.org.uk. To exercise your rights, contact us at .\n\n#LI-Hybrid #LI-AG1","description_format":"text","description_chars":5568,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Annual leave","Health insurance"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["RegTech, AML & Compliance","Financial Data & Market Intelligence"],"lifecycle":[{"event":"open","at":"2026-10-16T15:22:40Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":1,"expected_fill_days":37,"reasons":["conf:2","win:early"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":152450,"is_top_pay":false},"html_url":"https://alion.io/job/kharon-senior-data-engineer-data-products-apis","json_url":"https://alion.io/job/kharon-senior-data-engineer-data-products-apis.json","meta":{"generated_at":"2026-10-17T20:55:03Z","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":5223,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"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":63402},"rest":"https://alion.io/mcp/rest/get_company?id=63402"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fkharon-senior-data-engineer-data-products-apis"},{"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%2Fkharon-senior-data-engineer-data-products-apis"},{"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%2Fkharon-senior-data-engineer-data-products-apis"},{"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/kharon-senior-data-engineer-data-products-apis\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fkharon-senior-data-engineer-data-products-apis"}]}