OneMain Financial Jobs

Job Description Summary

We’re looking for a Sr Software Engineer to lead the design and delivery of cloud-native, enterprise-grade applications. You’ll set technical direction, build scalable RESTful APIs and microservices with ASP.NET Core, and drive front-end solutions with modern JavaScript frameworks. You’ll champion code quality, testing, security, and observability, and mentor engineers while partnering closely with product and cross-functional teams. Experience integrating AI capabilities into applications is a plus.

Job Description

Roles and Responsibilities

In this role, you will:

• Lead architecture, design, and development of RESTful APIs and microservices using .NET, ASP.NET Core (Web API, MVC), and Entity Framework

• Establish engineering best practices: SOLID principles, design patterns, code reviews, technical standards, and documentation

• Build front-end experiences using JavaScript/TypeScript with React, Angular, or Knockout

• Own end-to-end delivery: requirements, design, implementation, automated testing (unit, integration, UI), performance, and deployment

• Design for reliability, scalability, and security in AWS; containerize and ship services with Docker

• Work across data stores (SQL Server, PostgreSQL, Oracle), including schema design, query optimization, and performance tuning

• Implement and improve observability (logging, monitoring, alerting) and drive operational excellence

• Integrate AI/ML capabilities where appropriate to enhance product features and developer productivity

• Ensure secure development practices including SAST/DAST and remediation of findings

• Mentor and coach engineers; lead technical initiatives and collaborate with product, UX, and stakeholders

Must-have qualifications

• Deep .NET expertise with ASP.NET Core (Web API, MVC) and Entity Framework

• Strong RESTful API design and development

• Proficiency in JavaScript and TypeScript

• Experience with modern front-end frameworks (React, Angular, or Knockout)

• Solid grasp of SOLID principles, design patterns, and microservices architecture

• Practical AI skill set (e.g., integrating AI/ML capabilities into applications)

• Strong SQL skills across SQL Server, PostgreSQL, and Oracle

• Automation experience: unit, integration, and UI test frameworks

• Cloud experience with AWS

• Docker experience for containerizing applications

• Proven ability to lead initiatives and deliver high-quality, scalable solutions

Nice to have

• Monitoring and logging tools: Splunk, Prometheus, ELK Stack

• DevOps/CI/CD tools: GitHub, GitHub Actions, Jenkins, JFrog Artifactory, Groovy

• Load/performance testing (e.g., JMeter)

• Security best practices in SAST and DAST

• Strong problem-solving and analytical skills

• Experience working independently in fast-paced, cross-functional environments

Education Qualification

For roles outside USA:

Bachelor's Degree in Computer Science or “STEM” Majors (Science, Technology, Engineering and Math) with advanced experience.

For roles in USA:Bachelor's Degree in Computer Science or “STEM” Majors (Science, Technology, Engineering and Math) with minimum years of experience 5 to 8 years

Desired CharacteristicsTechnical Expertise:

• Master's Degree/ PHD in Computer Science

• Experience with Windows and Unix / Linux based programming

• Experience working on software projects in the Energy domain (Energy Management, Oil & Gas, Power & Water)

• Certified Scrum Master and/or Product Owner

Business Acumen:

• Demonstrates the initiative to explore alternate technology and approaches to solving problems

• Skilled in breaking down problems, documenting problem statements and estimating efforts

• Demonstrates awareness about competitors and industry trends

• Has the ability to analyze impact of technology choices

Leadership:

• Ability to takes ownership of small and medium sized tasks and deliver while mentoring and helping team members

• Ensures understanding of issues and presents clear rationale. Able to speak to mutual needs and win-win solutions. Uses two-way communication to influence outcomes and ongoing results

• Identifies misalignments with goals, objectives, and work direction against the organizational strategy. Makes suggestions to course correct

• Continuously measures deliverables of self and team against scheduled commitments. Effectively balances different, competing objectives

Personal Attributes:

• Strong oral and written communication skills

• Strong interpersonal skills

• Effective team building and problem solving abilities

• Persists to completion, especially in the face of overwhelming odds and setbacks. Pushes self for results; pushes others for results through team spirit

Note

Note:

To comply with US immigration and other legal requirements, it is necessary to specify the minimum number of years' experience required for any role based within the USA. For roles outside of the USA, to ensure compliance with applicable legislation, the JDs should focus on the substantive level of experience required for the role and a minimum number of years should NOT be used.

This Job Description is intended to provide a high level guide to the role. However, it is not intended to amend or otherwise restrict/expand the duties required from each individual employee as set out in their respective employment contract and/or as otherwise agreed between an employee and their manager.

Additional Information

Relocation Assistance Provided: Yes

GE Vernova is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, protected veteran status or other characteristics protected by law.