Staff Software Engineer – Cards Servicing at OneMain Financial

Job description

Key Responsibilities Technical Strategy and Domain Architecture: Own technical direction for Cards Servicing across teams. Shape the roadmap, define service and data boundaries, and balance business priorities with long-term scalability, resilience, and maintainability. Backend Architecture and Modernization: Lead AWS-based backend modernization, balancing compute, data, messaging, and integration trade-offs. Reduce vendor coupling and complexity, build reusable servicing capabilities, and enable independent team delivery while maintaining security and operational stability. Distributed Systems and Servicing Integrity: Lead the design of critical servicing workflows across internal and external platforms. Establish consistency and recovery patterns that protect account and card data integrity against duplicate events, partial failures, and downstream disruptions. Hands-On Engineering: Contribute to critical implementations, prototypes, and code/design reviews. Investigate and resolve complex issues across services and infrastructure. Engineering Excellence: Champion automated testing, CI/CD, secure coding, observability, performance, and production readiness. Establish reusable patterns and documentation. Mentorship and Development: Coach engineers and emerging technical leaders in system design, problem-solving, and technical decision-making. Create opportunities for others to independently lead complex engineering work. Cross-Team Collaboration: Partner with Engineering Leaders, Product, Architecture, Security, and Platform teams to clarify requirements, resolve technical dependencies, and shape technical roadmaps. Operational Ownership: Drive technical improvements that reduce recurring incidents, simplify architecture, and address technical debt while balancing delivery needs with long-term maintainability. Required Qualifications Education: Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience. Experience: 10 years of software engineering experience, including designing and operating production backend systems and leading complex technical initiatives. Backend Development: Strong proficiency in Node.js and JavaScript or TypeScript, with hands-on experience designing, implementing, and maintaining REST APIs. AWS: Experience designing and implementing backend solutions on AWS, with familiarity with Amazon EKS, AWS Lambda, Amazon SQS, and supporting AWS services. System Design: Strong understanding of distributed systems, asynchronous processing, service integration, relational and NoSQL data stores, and reliability patterns. Production Engineering: Experience with automated testing, CI/CD, monitoring, troubleshooting, and secure software development. Technical Leadership: Demonstrated ability to mentor engineers, lead design discussions, and influence technical decisions across teams without formal authority. Soft Skills: Ability to turn ambiguous business and technical problems into clear, practical engineering plans. Strong communication skills, including explaining architectural decisions and trade-offs to technical and nontechnical stakeholders. Collaborative leadership, constructive feedback, and a commitment to developing others. Sound judgment in balancing delivery speed, operational risk, and long-term engineering quality. Preferred Qualifications Experience shaping end-to-end architecture for complex financial services or large-scale customer platforms , spanning business workflows, customer and account lifecycles, data ownership, and integrations across enterprise and third-party systems. Experience leading cross-team technical strategy and platform evolution , including new capability development, legacy modernization, build-versus-buy decisions, and complex migrations. Demonstrated ability to balance business value, engineering investment, and operational risk while reducing complexity and enabling long-term growth. Deep experience designing and operating AWS-based distributed systems , spanning containerized services, serverless computing, asynchronous messaging, and data storage. Experience applying domain-driven design to establish service boundaries, data ownership, and reusable capabilities across teams. Experience building and operating systems in regulated environments with strong requirements for security, auditability, data integrity, and operational resilience. Who we Are OneMain 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. Driven 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. Because 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: · 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) OneMain 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.

Requirements

Must-haves

Hands-On Engineering: Contribute to critical implementations, prototypes, and code/design reviews. Investigate and resolve complex issues across services and infrastructure.
Engineering Excellence: Champion automated testing, CI/CD, secure coding, observability, performance, and production readiness. Establish reusable patterns and documentation.
Cross-Team Collaboration: Partner with Engineering Leaders, Product, Architecture, Security, and Platform teams to clarify requirements, resolve technical dependencies, and shape technical roadmaps.
Operational Ownership: Drive technical improvements that reduce recurring incidents, simplify architecture, and address technical debt while balancing delivery needs with long-term maintainability.
Required Qualifications Education: Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
Experience: 10 years of software engineering experience, including designing and operating production backend systems and leading complex technical initiatives.
Backend Development: Strong proficiency in Node.js and JavaScript or TypeScript, with hands-on experience designing, implementing, and maintaining REST APIs.
AWS: Experience designing and implementing backend solutions on AWS, with familiarity with Amazon EKS, AWS Lambda, Amazon SQS, and supporting AWS services.
System Design: Strong understanding of distributed systems, asynchronous processing, service integration, relational and NoSQL data stores, and reliability patterns.
Production Engineering: Experience with automated testing, CI/CD, monitoring, troubleshooting, and secure software development.
Technical Leadership: Demonstrated ability to mentor engineers, lead design discussions, and influence technical decisions across teams without formal authority.
Soft Skills: Ability to turn ambiguous business and technical problems into clear, practical engineering plans.
Strong communication skills, including explaining architectural decisions and trade-offs to technical and nontechnical stakeholders.
Collaborative leadership, constructive feedback, and a commitment to developing others.
Sound judgment in balancing delivery speed, operational risk, and long-term engineering quality.
Deep experience designing and operating AWS-based distributed systems , spanning containerized services, serverless computing, asynchronous messaging, and data storage.
Experience applying domain-driven design to establish service boundaries, data ownership, and reusable capabilities across teams.
Experience building and operating systems in regulated environments with strong requirements for security, auditability, data integrity, and operational resilience.

Nice-to-haves

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Keywords to mirror

awsci/cdnode.jsjavascripttypescriptrest

Platform: workday
Effort: long

Benefits

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Dental

Vision

401(K)

Paid Time Off