{"id":101759,"url":"https://alion.io/job/worldpay-senior-ml-software-engineer","title":"Senior ML Software Engineer","company":{"id":13762,"name":"Worldpay","domain":"worldpay.com","url":"https://alion.io/company/worldpay","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":87,"open_postings":33,"ghost_share":0,"stale_share":0.667,"repost_share":0.061,"time_to_fill_p50_days":21,"computed_at":"2026-10-21T05:46:15Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom","United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":86000,"max_usd":161000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":40},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"FastAPI","optional":false},{"name":"Python","optional":false},{"name":"Copilot","optional":true},{"name":"Databricks","optional":true},{"name":"DynamoDB","optional":true},{"name":"MLFlow","optional":true},{"name":"Terraform","optional":true}],"status":"live","first_seen_at":"2026-06-30T00:00:00Z","employer_posted_date":"2026-06-30","last_verified_at":"2026-10-21T12:19:58Z","board_verified":true,"closed_at":null,"days_open":113,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":113},"description":"Ready to take your career global?\nMake your mark at one of the biggest names in payments.\nWe are seeking an experienced Senior ML Software Engineer to join our Data Science Enablement team. You will be the primary software engineering expert for a product area, working as part of a cross-functional agile team and owning the successful launches and ongoing operations of high-profile products in production. Your focus will be on driving new feature delivery, maintaining operational excellence, and collaborating on enhancements to our shared ML platform. You will work closely with cross-functional collaborators-including ML research engineers, product managers, and platform engineers-to deliver scalable, reliable, and low-latency ML solutions.\nIn addition to technical expertise, this job requires strong collaboration skills.\nWhat you’ll own\nFeature Development & Delivery:\nDesign, implement, and deploy new features and enhancements to ML products, collaborating with Product and ML Research teams to refine requirements.\nTechnical Ownership and Stewardship:\nTechnical ownership of existing and new production ML products in your area, ensuring alignment of technical investments with business goals (in collaboration with a product owner) and engineering best practices.\nEnd-to-end technical stewardship of ML products, ensuring ongoing reliability and performance.\nContribute to ML platform:\nContribute to the evolution of the shared ML platform alongside other engineers to drive best practices and shared tooling across all products.\nOperational Excellence:\nMaintain and improve automated CI/CD pipelines, testing frameworks, and monitoring/logging, ensuring high operational standards.\nConduct comprehensive code reviews to enforce coding standards, improve code quality, and share knowledge.\nContinuous Improvement:\nIdentify and implement opportunities for process, tooling, and system improvements, proactively addressing technical debt and scaling challenges.\nRelease Management:\nOversee pre-release testing, coordinate releases and ensure smooth enablement of new features.\nLeadership:\nProvide technical guidance and support to other engineers and data scientists to solve complex technical challenges.\nMentor and coach other engineers, supporting their professional growth.\nFoster a culture of collaboration, continuous improvement, and knowledge sharing.\nAct Like an Owner:\nProactively identify and resolve blockers, navigate processes, and independently seek out information and connect with relevant teams to drive solutions in the face of ambiguity.\nOperate with a strong sense of urgency, consistently prioritizing and executing tasks to meet timelines and deliver results.\nWhat you’ll bring\n5+ years as an ML-focused software engineer, ML Engineer, MLOps Engineer, or similar, with hands-on production experience\nProven expertise with ML model deployment, API design, and integration into production environments\nStrong Python programming and relevant ML/data libraries\nExperience with containerization, orchestration, and AWS cloud services\nBuilding and operating CI/CD pipelines\nMonitoring, troubleshooting, and optimizing production ML systems\nPre-release testing and release management\nDemonstrated ability to work independently, navigate ambiguity, and deliver results\nExcellent communication skills and ability to collaborate both within engineering organizations and on cross-functional teams\nExperience with OpenAPI, FastAPI, or similar\nIt’s a bonus if you have\nExperience with MLFlow, model versioning, and storage\nFamiliarity with Databricks or similar platforms\nExperience supporting high-volume, real-time data products\nAutomated testing and validation frameworks\nExperience designing and configuring low-latency databases to serve real-time features, such as DynamoDB\nExperience with Terraform Cloud\nExperience in large companies, mature engineering teams, and/or highly regulated industries\nAI-assisted coding experience (e.g. GitHub Copilot)\nWhy Join Us?\nImpact: Play a key role as the technical owner of high-profile ML products delivering meaningful business impact to merchants and advancing key pillars of the company’s strategy. Your work will directly influence the reliability, scalability, and evolution of critical production systems.\nAutonomy: Take end-to-end technical ownership of your product area, with the freedom and responsibility to drive technical solutions, shape best practices, and deliver results in a fast-paced, supportive environment.\nCollaboration: Join a cross-functional, high-performing team where your expertise is valued and your contributions make a real difference.\nAbout the team\nOur inclusive and global teams win together every day. We’re proud to have the best minds in the industry, whom you can learn from as you grow your career. The people, the energy, and the connections are unmatched. Come and be part of an ever-evolving company and get dynamic opportunities that transcend borders.\nWhat makes a Globalpayer?\nGlobalpayers think like a client, act like an owner, and win as one team. We’re curious and innovative - always finding better ways to deliver impact. We empower each other to make decisions, and our passion drives excellence in everything we set out to do.\nDoes this sound like you? Then you sound like a Globalpayer. Apply now to take your career global.","description_format":"text","description_chars":5351,"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":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Payment Processing & Gateways"],"lifecycle":[{"event":"open","at":"2026-06-30T00:00:00Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Skilled Worker, Senior or Specialist Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Skilled Worker; Global Business Mobility: Senior or Specialist Worker","cap_exempt":false,"checked_at":"2026-10-21T06:25:45+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":6,"band":"cold","label":"Long shot","p_open":0.9,"p_active":0.24,"p_room":0.28,"age_days":113,"expected_fill_days":21,"reasons":["conf:61","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-21T05:46:15Z"},"pay":null,"html_url":"https://alion.io/job/worldpay-senior-ml-software-engineer","json_url":"https://alion.io/job/worldpay-senior-ml-software-engineer.json","meta":{"generated_at":"2026-10-21T18:54:22Z","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":26755,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-22T00:00:00Z"}},"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":13762},"rest":"https://alion.io/mcp/rest/get_company?id=13762"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fworldpay-senior-ml-software-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%2Fworldpay-senior-ml-software-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%2Fworldpay-senior-ml-software-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/worldpay-senior-ml-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fworldpay-senior-ml-software-engineer"}]}