Software Development Engineer - Mainframe Assembler

Hi, I'm Juhi Banerjee, your Recruiter and guide to joining CSG! We are excited to learn more about you and your unique background.

As a Software Development Engineer II at CSG Systems, Inc., you will play a key role in the design, development, and maintenance of our innovative software solutions. You will contribute to all phases of the software development lifecycle, utilizing your expertise in Agile methodologies and delivering high-quality, robust applications.

We are looking for a Software Dev Engineer II who will:

• Design, develop, and implement complex software solutions in accordance with established coding standards and best practices.
• Actively participate in Agile development processes, including daily stand-ups, sprint planning, and retrospectives.
• Perform thorough debugging and troubleshooting of software defects, identifying root causes and implementing effective resolutions.
• Contributes to the evolution of software architectures and designs, ensuring scalability, maintainability, and performance.
• Collaborate with cross-functional teams, including product owners, quality assurance, and other engineers, to ensure successful project delivery.
• Conduct comprehensive software testing, including unit, integration, and system testing, to ensure the quality and reliability of applications.
• Engage in stakeholder management, effectively communicating technical information and project status to both technical and non-technical audiences.
• Apply systems analysis principles to understand complex business requirements and translate them into technical specifications.
• Provide mentorship to junior team members, sharing knowledge and best practices to foster their growth and development.
• Demonstrate emerging leadership qualities by taking initiative on projects and contributing to team success.

Is this opportunity right for you? We are looking for candidates who have:

• Bachelor’s degree in computer science, Software Engineering, or a related field, or equivalent practical experience.
• Should be proficient in Assembler Language.
• Should be familiar with JCL.
• 2-3 years of experience in software development, with a strong understanding of the full software development lifecycle.
• Experience with or willingness to learn Generative AI tools to enhance team productivity, decision-making, and innovation initiatives.
• Demonstrated proficiency in applying Agile Principles within a development environment.
• Strong analytical and problem-solving skills, with a keen ability to perform effective Debugging.
• Experience with Software Architectures and a solid understanding of Software Design patterns.
• Proficiency in Software Development methodologies and tools.
• Experience with various Software Testing techniques and tools.
• Excellent communication and interpersonal skills, with the ability to engage in effective Stakeholder Management.
• Experience with Systems Analysis to understand and translate business requirements.
• A desire to grow in Leadership and a proven ability to contribute to team success.
• Prior experience or a strong interest in Mentoring Youth or junior colleagues.

CSGer Perks & Benefits

• Work from Home
• Employee Belonging Groups
• Healthcare: Dental, Medical, and Vision
• Paid Vacation, Volunteer, and Holiday Time Off
• And so much more!

View More Benefits

Please submit your application at csgi.com/careers. Applications will be accepted for at least 5 days from original posting date.

Colorado Residents: In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.

Position Pay Range: This range represents the low and high end of the salary range for this position. Actual salaries will vary based on factors including but not limited to geographical location and experience. $74,409.65-$119,052.96

This role is eligible for a bonus opportunity.

Location(s): United States Remote

Accommodation: If you would like to be considered for employment opportunities with CSG and need special assistance due to a disability or accommodation for a disability throughout any aspect of the application process, please call us at +1 (402) 431-7440 or email us at accommodations@csgi.com. CSG provides accommodations for persons with disabilities in employment, including during the hiring process and any interview and/or testing processes.

Our Guiding Principles: Impact: Always help and empower others, whether they’re colleagues or customers. When our employees set their minds to something, great things happen.

Integrity: Do what’s right for our customers and our people while being authentic. We treat everyone with trust and respect—that’s just who we are.

Inspiration: Be bold in the way you think and passionate about the work you do. Test out innovative ideas without the fear of failure.

Our Story: CSG empowers companies to build unforgettable experiences, making it easier for people and businesses to connect with, use and pay for the services they value most. For over 40 years, CSG's technologies and people have helped some of the world's most recognizable brands solve their toughest business challenges and evolve to meet the demands of today's digital economy.

By channeling the power of all, we make ordinary customer and employee experiences extraordinary. Our people [CSGers] are fearlessly committed and connected, high on integrity and low on ego, making us the easiest company to do business with and the best place to work. We power a culture of integrity, innovation, and impact across our locations, representing the most authentic version of ourselves to build a better future together. That's just who we are.

Learn more about CSG Inclusion & Impact here. Our culture is award-winning: CSG has been recognized a US News & World Report “ Best Companies to Work For ” for 2025-2026, a Newsweek “ America’s Greatest Workplaces in Tech ” for 2025 and “The Top Company in Technology for Women to Work” for 2025, among many others.