Principal Software Engineer
ACI Worldwide · Omaha, NE, US
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About the role
JOB PURPOSE
The Principal Software Engineer defines technical vision and architecture for major initiatives across multiple teams. This senior technical leadership position drives engineering excellence, sets standards, influences product roadmap with technical insights, and serves as a technical authority for complex challenges across the organization.
ESSENTIAL FUNCTIONS AND RESPONSIBILITIES
Technical Vision & Strategy
- Define technical vision and architecture for major cross-team initiatives
- Lead design reviews and set engineering standards across multiple teams
- Influence product roadmap with technical insights and innovation opportunities
- Evaluate and adopt new technologies including AI/ML to improve engineering productivity
Technical Leadership & Problem Solving
- Identify and resolve complex technical challenges that span multiple systems
- Drive technical excellence and best practices across engineering organization
- Serve as technical escalation point for critical issues and architectural decisions
- Lead architecture reviews and provide guidance on system design
Cross-Organizational Impact
- Represent engineering in cross-organizational initiatives and strategic planning
- Mentor senior engineers and technical leads across teams
- Drive adoption of engineering best practices and architectural patterns
- Build strategic technical relationships with partners and stakeholders
QUALIFICATIONS
Education
- Bachelor's degree in Computer Science or related field; Master's preferred
- Equivalent experience (10+ years) may substitute for degree
Experience
- 8-12 years of software engineering with demonstrated technical leadership
- Proven track record of delivering complex, large-scale software systems
- Experience leading technical initiatives across multiple teams
- Strong influence on technical direction and engineering culture
- Payments, financial services, or regulated industry experience preferred
Technical Skills
- Expert software architect with large-scale system design experience
- Deep expertise across multiple technical domains and technology stacks
- Advanced knowledge of distributed systems, microservices, and cloud architectures
- Experience with performance optimization at scale and system reliability
- Strong understanding of security architecture and compliance requirements
- Proficiency in evaluating and adopting emerging technologies including AI/ML
- Talented in AI tool adoption and integrating AI capabilities across systems
Professional Skills
- Exceptional written and verbal communication skills
- Strong cross-team influence and stakeholder management
- Strategic thinking with ability to connect technical decisions to business outcomes
- Leadership through influence without direct authority
PREFERRED QUALIFICATIONS
- Conference speaking, technical publications, or recognized thought leadership
- Advanced certifications in relevant technologies
- Experience with enterprise-scale systems (millions of users, petabytes of data)
- Track record of technical innovation and patents
WORK ENVIRONMENT
- Hybrid work model (2-3 days in-office); multiple office locations available
- 10-15% travel for conferences, strategic meetings, and cross-site collaboration
- On-call escalation participation; flexible hours for global collaboration
EQUAL OPPORTUNITY STATEMENT
ACI Worldwide is an Equal Opportunity Employer. All qualified applicants receive consideration without regard to race, color, religion, gender, gender identity, sexual orientation, national origin, genetics, disability, age, or veteran status.
LEGAL DISCLAIMERS
Compliance & Ethics: Adherence to ACI's Code of Business Conduct and Ethics required.
Security & Data Protection: Access to sensitive information requires compliance with security policies and regulations (GDPR, CCPA, SOC 2, PCI-DSS).
Work Authorization: Must be legally authorized to work in US/Canada. Visa sponsorship not available.
Background Screening: Comprehensive background checks required .
Position Description: Responsibilities may change based on business needs.
Description sourced from the public Indeed listing — this role isn't indexed from the company's career page yet.
Skills
- Java
- C#
- Python
- Go
- Leadership
- Jira
- Confluence
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