OneMain Financial · 5 hours ago
Senior Software Engineer .NET
West Valley City, UT
Full-time
Onsite
Mid, Senior Level
3+ years expOneMain Financial is seeking a Senior Software Engineer – Platform Engineer to design, build, and enhance our core lending platforms. This role involves contributing to system design and implementation across platforms that power key customer interactions and enterprise-wide financial services.
CreditFinanceFinancial ServicesInsuranceWealth Management
Responsibilities
Contribute to the architecture and development of key systems including Loan Origination Systems, Loan Servicing Systems, and customer-facing applications (e.g., omfauto.com, foursight.com, rateworks.com)
Ensure scalable, maintainable, and secure software design within assigned projects
Implement APIs, middleware services, and integrations with internal and external tools such as Twilio Flex
Collaborate with peers through code reviews, design discussions, and pairing sessions
Support automation and continuous integration strategies to improve development efficiency and reliability
Assist in technical initiatives to modernize legacy systems and improve scalability
Participate in troubleshooting and performance tuning to maintain system health
Qualification
Required
3–5 years of experience developing enterprise-grade applications in .NET
Strong skills in T-SQL, C#, and the .NET Framework with experience in backend service design
Understanding of distributed systems and multi-tier application architectures
Hands-on experience with WPF/XAML, LINQ, MVVM, and WebAPI; exposure to React or Angular is a plus
Proficiency in RESTful API design, JSON, and XML integrations
Ability to explain technical concepts clearly across teams
Experience working in Agile environments with DevOps practices
Bachelor's degree in Computer Science, Engineering, or related field
Interest in mentoring peers and promoting modern development practices
Benefits
Health and wellbeing options including medical, prescription, dental, vision, hearing, accident, hospital indemnity, and life insurances
Up to 4% matching 401(k)
Employee Stock Purchase Plan (10% share discount)
Tuition reimbursement
Paid time off (15 days’ vacation per year, plus 2 personal days, prorated based on start date)
Paid sick leave as determined by state or local ordinance, prorated based on start date
Paid holidays (7 days per year, based on start date)
Paid volunteer time (3 days per year, prorated based on start date)
Company
OneMain Financial
OneMain Financial has been offering responsible and transparent loans for over 100 years.
10001+ employees
H1B Sponsorship
OneMain Financial has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2021 (1)
Funding
Current Stage
Public CompanyTotal Funding
$2.9B2025-03-13Post Ipo Debt· $600M
2024-11-04Post Ipo Debt· $900M
2018-01-04Post Ipo Secondary· $1.4B
Leadership Team
Doug Shulman
Chairman and Chief Executive Officer
Recent News
2026-01-13
2025-11-08
2025-10-29
Company data provided by crunchbase