Staff Software Engineer – Cards Servicing

OneMain Financial; Charlotte (NC); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Health insurance

401(k) match

Employee Stock Purchase Plan

Tuition reimbursement

Paid time off

Paid holidays

Job summary

OneMain Financial is seeking a senior backend leader to own the Cards Servicing technical strategy and domain architecture. You will guide AWS-based modernization, balance compute and data trade-offs, and enable independent team delivery with security and resilience.

You will mentor engineers, lead design discussions, and collaborate across multiple teams to shape roadmaps and reduce incidents while delivering scalable solutions.

Qualifications

• Bachelor’s degree or equivalent practical experience.
• 10+ years of software engineering experience with production systems.

Responsibilities

• Own technical direction for Cards Servicing across teams and shape the roadmap.
• Lead AWS-based backend modernization and reduce vendor coupling while ensuring security and reliability.
• Design critical servicing workflows to ensure data integrity against failures and disruptions.
• Contribute to implementations, prototypes, and code/design reviews.
• Champion automated testing, CI/CD, observability, and production readiness.
• Mentor engineers and grow technical leaders in system design and decision-making.
• Collaborate across Engineering, Product, Architecture, Security, and Platform teams to align roadmaps.
• Drive technical improvements to reduce incidents and balance delivery with maintainability.

Skills

Technical leadership

Domain architecture

Node.js/JS/TS

AWS experience

Distributed systems

CI/CD & testing

Mentoring

Cross-team leadership

Education

Bachelor’s degree in CS or related field

Tools

Amazon EKS

AWS Lambda

SQS

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 shapingend-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 leadingcross-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 operatingAWS-based distributed systems, spanning containerized services, serverless computing, asynchronous messaging, and data storage.
• Experience applyingdomain-driven designto establish service boundaries, data ownership, and reusable capabilities across teams.
• Experience building and operating systems inregulated environmentswith 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)