{"id":3225707,"url":"https://alion.io/job/onemain-financial-staff-engineer-software","title":"Staff Engineer Software","company":{"id":1914300,"name":"OneMain Financial","domain":"onemainfinancial.com","url":"https://alion.io/company/onemainfinancial","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":81,"open_postings":14,"ghost_share":0,"stale_share":0.714,"repost_share":0.071,"time_to_fill_p50_days":28,"computed_at":"2026-10-25T05:49:26Z"}},"role":"Backend","role_family":"Backend","seniority":"staff","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United States"],"countries":["US"],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":150000,"max":170000,"currency":"USD","period":"year","gross":null,"usd_annual":170000},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Java","optional":false},{"name":"Spring Boot","optional":false},{"name":"CI/CD","optional":true}],"status":"live","first_seen_at":"2026-10-23T00:00:00Z","employer_posted_date":"2026-10-23","last_verified_at":"2026-10-25T12:39:03Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"We are seeking a Staff engineer with Drools expertise to design, build, and maintain business rules for a large-scale underwriting and decisioning platform. This role focuses on translating complex credit and risk policies into high-performance, explainable Drools rules that power real-time decisions.\nKey Responsibilities\nDesign, develop, and maintain Drools (KIE) rules using DRL, Decision Tables, and Rule Templates to implement complex underwriting, eligibility, and policy logic\nOptimize rule execution for low latency and high throughput, including management of rule salience, agenda groups, rule flows, and conflict resolution\nEnsure decisions are deterministic, explainable, and auditable, meeting regulatory and audit requirements\nContribute to the overall decisioning and rules architecture, designing rule sets for reusability, versioning, and controlled rollout\nParticipate in design reviews and technical discussions related to rule design and platform evolution\nDevelop unit tests and scenario-based tests to validate rule behavior across multiple decision paths\nTroubleshoot production issues related to rule execution and support deployments across development, QA, and production environments\nAct as a subject-matter expert for Drools and business rules best practices, mentoring junior engineers\nEstablish and enforce standards for rule authoring, documentation, testing, and maintainability\nRequired Qualifications\n10+ years of software engineering experience\n7+ years hands-on experience with Drools / KIE\nStrong proficiency in Java and Spring / Spring Boot\nExperience in building a lightweight orchestration layer using Apache Pekko is a plus\nDeep experience with: DRL, Decision Tables, Rule Templates\nStateless and stateful KIE sessions\nRule performance tuning and debugging\nExperience building or supporting policy-driven or decisioning systems\nStrong understanding of business rules management systems (BRMS)\nExposure to cloud platforms and CI/CD pipelines\n\nWhat Success Looks Like\nBusiness policies are accurately captured as maintainable Drools rules\nDecisions are fast, consistent, and explainable\nRule changes can be made confidently without impacting platform stability\nThe rules layer is reliable, scalable, and regulator-ready\nWho we Are\nOneMain Financial (NYSE: OMF) is the leader in offering nonprime customers responsible access to credit and is dedicated to improving the financial well-being of hardworking Americans. Since 1912, we’ve looked beyond credit scores to help people get the money they need today and reach their goals for tomorrow. Our growing suite of personal loans, credit cards and other products help people borrow better and work toward a brighter future.\nDriven collaborators and innovators, our team thrives on transformative digital thinking, customer-first energy and flexible work arrangements that grow lives, careers and our company. At every level, we’re committed to an inclusive culture, career development and impacting the communities where we live and work. Getting people to a better place has made us a better company for over a century. There’s never been a better time to shine with OneMain.\nBecause team members at their best means OneMain at our best, we provide opportunities and benefits that make their health and careers a priority. That’s why we’ve packed our comprehensive benefits package for full- and some part-timers with:\n· Health and wellbeing options including medical, prescription, dental, vision, hearing, accident, hospital indemnity, and life insurances\n· Up to 4% matching 401(k)\n· Employee Stock Purchase Plan (10% share discount)\n· Tuition reimbursement\n· Paid time off (15 days’ vacation per year, plus 2 personal days, prorated based on start date)\n· Paid sick leave as determined by state or local ordinance, prorated based on start date\n· Paid holidays (7 days per year, based on start date)\n· Paid volunteer time (3 days per year, prorated based on start date)\nTarget base salary range is $150,000-$170,000, which is based on various factors including skills and work experience. In addition to base salary, this role is eligible for a competitive compensation program that is based on individual and company performance\nOneMain Holdings, Inc. is an Equal Employment Opportunity (EEO) employer. Qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship status, color, creed, culture, disability, ethnicity, gender, gender identity or expression, genetic information or history, marital status, military status, national origin, nationality, pregnancy, race, religion, sex, sexual orientation, socioeconomic status, transgender or on any other basis protected by law.","description_format":"text","description_chars":4718,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Flexible schedule","Life insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Consumer Loans & Pawnshops"],"lifecycle":[{"event":"open","at":"2026-10-25T05:48:12Z"}],"visa":[],"liveness":{"score":60,"band":"ok","label":"Likely open","p_open":1,"p_active":0.602,"p_room":1,"age_days":2,"expected_fill_days":28,"reasons":["conf:0","stale_co","win:early","comp:brand"],"computed_at":"2026-10-25T05:49:26Z"},"pay":{"stated_usd_annual":170000,"is_top_pay":false},"html_url":"https://alion.io/job/onemain-financial-staff-engineer-software","json_url":"https://alion.io/job/onemain-financial-staff-engineer-software.json","meta":{"generated_at":"2026-10-26T04:22:12Z","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":5982,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-27T00:00:00Z"}},"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":1914300},"rest":"https://alion.io/mcp/rest/get_company?id=1914300"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fonemain-financial-staff-engineer-software"},{"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%2Fonemain-financial-staff-engineer-software"},{"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%2Fonemain-financial-staff-engineer-software"},{"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/onemain-financial-staff-engineer-software\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fonemain-financial-staff-engineer-software"}]}