Staff Software Engineer – Cards Servicing

OneMain Financial • Charlotte, NC

2d

About The Position

The Staff Software Engineer – Cards Servicing owns technical direction for Cards Servicing across teams, shaping roadmaps and defining service and data boundaries while balancing business priorities with scalability, resilience, and maintainability. The role leads AWS-based backend modernization, reduces vendor coupling and complexity, develops reusable servicing capabilities, and enables independent team delivery while maintaining security and operational stability.

The engineer leads the design of critical servicing workflows across internal and external platforms, establishing consistency and recovery patterns that protect account and card data integrity from duplicate events, partial failures, and downstream disruptions. The role remains hands-on through critical implementations, prototypes, code and design reviews, and complex issue investigation and resolution.

This position champions engineering excellence through automated testing, CI/CD, secure coding, observability, performance, production readiness, reusable patterns, and documentation. It also mentors engineers and emerging technical leaders, collaborates with Engineering Leaders, Product, Architecture, Security, and Platform teams, and drives operational improvements that reduce recurring incidents, simplify architecture, and address technical debt.

OneMain Financial offers flexible work arrangements and describes an inclusive culture, career development, and community impact as priorities. Its benefits package includes health and wellbeing options, retirement and stock purchase programs, tuition reimbursement, paid leave, holidays, and volunteer time.

Requirements

• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• 10+ years of software engineering experience, including designing and operating production backend systems and leading complex technical initiatives.
• Strong proficiency in Node.js and JavaScript or TypeScript, with hands-on experience designing, implementing, and maintaining REST APIs.
• Experience designing and implementing backend solutions on AWS, with familiarity with Amazon EKS, AWS Lambda, Amazon SQS, and supporting AWS services.
• Strong understanding of distributed systems, asynchronous processing, service integration, relational and NoSQL data stores, and reliability patterns.
• Experience with automated testing, CI/CD, monitoring, troubleshooting, and secure software development.
• Demonstrated ability to mentor engineers, lead design discussions, and influence technical decisions across teams without formal authority.
• 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.

Nice To Haves

• 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.
• 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.

Responsibilities

• Own technical direction for Cards Servicing across teams; shape the roadmap and define service and data boundaries.
• Balance business priorities with long-term scalability, resilience, and maintainability.
• Lead AWS-based backend modernization, making trade-offs across compute, data, messaging, and integration.
• Reduce vendor coupling and complexity, build reusable servicing capabilities, and enable independent team delivery while maintaining security and operational stability.
• 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.
• Contribute to critical implementations, prototypes, and code and design reviews; investigate and resolve complex issues across services and infrastructure.
• Champion automated testing, CI/CD, secure coding, observability, performance, and production readiness; establish reusable patterns and documentation.
• Coach engineers and emerging technical leaders in system design, problem-solving, and technical decision-making, and create opportunities for them to lead complex work independently.
• Partner with Engineering Leaders, Product, Architecture, Security, and Platform teams to clarify requirements, resolve technical dependencies, and shape technical roadmaps.
• Drive technical improvements that reduce recurring incidents, simplify architecture, and address technical debt while balancing delivery needs with long-term maintainability.

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 with a 10% share discount.
• Tuition reimbursement.
• Paid time off: 15 vacation days 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior