Principal Software Engineer

ACI Worldwide Inc.(:) is acompany headquartered inElkhorn, Nebraska.ACI develops a broad line of software focused on facilitating real-time electronic payments. These products and services are used globally by,such as third-party electronic, payment associations, switch interchanges,, corporations, and a wide range of transaction-generating endpoints, including(ATM), merchant(POS) terminals, bank branches,,,, and internet commerce sites

In short, we're helping banks, merchants, and billers capture rising real-time opportunities and volumes, all to meet the shifting needs of their consumers and business customers.

Our people are the core of our business, and our team represents a globally diverse, passionate, and dedicated group of thousands of individuals around the world who share a common commitment to making our customers successful by driving the future of payments.As aSoftware Engineer,you can help make possibilities happen.

ACI Secure eCommercedelivers global payment gateway solutions for payment service providers, Independent eCommerce retailers, Third party acquirers and Independent software Vendors, enabling them to fully outsource payment transaction processing including cross border Payments and or integrate a gateway-to-gateway solutions which are PCI-compliant and provide access to more than 300 global acquirers delivering alternative payment methods such aseWallets, mobile payments and more, in multiple languages and all major currencies enabling payment providers to rapidly increase global revenues, reduce costs and risk, and accelerate market expansion by offering innovative channels.

Key Responsibilities:

• Innovative Development:Drive the design and development of critical components, ensuring they align with the product's roadmap and business goals. Leverage your deep understanding of software engineering principles to create efficient, reliable, and elegant solutions.
• Code Quality and Best Practices:Set and enforce high coding standards, best practices, and development processes. Lead code reviews, ensuring code quality, consistency, and adherence to architectural guidelines.
• Collaborative Excellence: Partner with product managers, partner teams, and other stakeholders to understand requirements, provide technical insights, and deliver solutions that exceed customer expectations.
• Technical Mentorship:Inspire the team in setting technical direction, providing mentorship, and promoting a culture of excellence in software development.
• Technical Design:Contribute to the formulation of the solution design and technical strategies including the adoption and evaluation of new technologies, tools, and methodologies. Stay abreast of industry trends and emerging technologies to drive innovation.
• Collaborative Excellence: Partner with product managers, partner teams, and other stakeholders to understand requirements, provide technical insights, and deliver solutions that exceed customer expectations.
• Performance Optimization: Identify performance bottlenecks and optimize software components to deliver a fast and seamless user experience.
• Documentation and Knowledge Sharing:Create and maintain comprehensive technical documentation, sharing knowledge and insights across the team.

Minimum Qualifications

• 10+ years of overall software development experience, with strong expertise in iOS development (Swift/Objective-C).
• Proven track record in designing and delivering high-performance, scalable mobile applications.
• Strong understanding of iOS architectural patterns such as MVC, MVVM, and Clean Architecture.
• Hands-on experience with RDBMS technologies (Oracle, PostgreSQL, DB2, Sybase) and complex SQL query development and optimization.
• Solid knowledge of application security practices, including OWASP guidelines.
  • Familiarity with SAST/DAST tools such as Checkmarx, BlackDuck, and SonarQube.
• Experience working with CI/CD pipelines, including tools like Jenkins and Docker.
• Working knowledge of Linux/Unix environments, including basic system commands.
• Familiarity with version control and code management tools (e.g., Git, Synergy).
• Demonstrated ability to adapt to both legacy and modern technologies to solve complex problems and drive innovation.
• Strong collaboration skills with the ability to work effectively in global teams, manage multiple priorities, and deliver under tight deadlines.
• Prior experience in card payments or e-commerce domains is highly desirable, with understanding of:
  • Retail banking systems
  • Omni-commerce payment ecosystems
  • Card networks (e.g., Visa, Mastercard, Discover)

Highly Desired Qualifications

• Previous experience in developing payment software solutions & Card networks such as VISA, MasterCard, Discover, AMEX, JCB, etc.
• Business knowledge about the card payments industry is a plus.
• Work Experience inAgileMethodology would be preferable.

Education:

• BE, B.Tech Comp Science, B.Tech Electronics, BE / BTech IT, MSc Comp Sc, MCA

In return for your expertise, we offer growth, opportunity, and a competitive compensation and benefits package in a casual work environment. Our benefits are the Best in Industry, such as

• Health Insurance for Employee and Family with periodic health checkups.
• Paid time off and sick time off
• Maternity and Paternity time off.
• Robust rewards and awards program.

Are you ready to help us transform the world of electronic payments To learn more about ACI Worldwide, visit our website at.