Senior Systems Engineer

Help build the next generation credit card processing platform that powers real-time financial transactions. We’re looking for a Senior Systems Engineer with deep backend and Microsoft SQL experience to design, optimize, and support high volume transaction processing systems in a 24/7 production environment. This role is centered around SQL heavy systems, backend operational workflows, batch and API integrations, use of AI tools and data intensive processing where performance, reliability, data integrity, and security are critical. You will improve transaction throughput, reduce latency, and enhance system reliability at scale.

 DUTIES AND RESPONSIBILITIES:

• Build and support operational systems responsible for transaction processing, reconciliation, data integrity, and reporting.
• Design, build, and maintain batch interfaces, backend services, and API integrations supporting transaction processing and operational reporting.
• Demonstrable fluency in utilizing AI tools and optimizing workflows to incorporate agentic AI. 
• Support and enhance existing data pipelines and reporting frameworks using Microsoft SQL and other development tools.
• Lead the resolution of ambiguous or complex technical problems, applying strong analytical and problem-solving skills to deliver effective solutions.
• Write clean, maintainable, and well-tested code, while contributing to strong engineering practices and testing standards.
• Follow secure coding standards and ensure all systems comply with data protection, security, and privacy requirements.
• Translate business requirements into scalable technical solutions, clearly communicating trade-offs between speed, scalability, and maintainability.
• Contribute to the growth of the engineering team through knowledge sharing, documentation, and technical demonstrations.
• Other duties as assigned.

REQUIRED SKILLS AND QUALIFICATIONS:

• 5–8+ years of professional software development experience, including building low-latency, high-volume, and high–availability systems in a 24/7 production environment.
• Bachelor's degree in computer science, Engineering, or a related technical field, or equivalent practical experience.
• Strong proficiency in Python, Go or PHP.
• Deep hands-on experience with Microsoft SQL Server, including stored procedures, query optimization, indexing strategies, execution plan analysis, ETL/batch processing, and troubleshooting high volume transactional systems.
• Experience supporting data intensive backend systems in financial services, payments, transactional systems, or other high volume operational environments strongly preferred.
• Hands-on experience with relational and/or NoSQL databases, API design, and modern development tools including AI-assisted development tools.
• Familiarity with payment industry standards and experience integrating with payment networks would be a plus.
• Strong knowledge of security best practices and compliance requirements, particularly PCI DSS.
• Excellent debugging, troubleshooting, and production incident management skills.
• Strong communication skills and the ability to collaborate effectively in a remote environment.
• Ability to work within CorServ’s footprint (GA, FL, TX, AL, IA, KY, NE, NC, TN, WI, WY)

ABOUT CORSERV 

CorServ is a credit card technology and portfolio management company that was founded in 2009. With decades of experience in payment systems, we enable financial institutions to enter or expand their credit card program with our open-source technology platform. Our global headquarters is in Atlanta, GA. We offer a competitive compensation package and company-paid benefits package including medical, dental, and vision. We also offer a generous PTO plan, 401k match, and the opportunity to work in a remote environment. 

CorServ is an Equal Opportunity employer—All qualified applicants/employees will receive consideration for employment without regard to that individual’s age, race, color, religion or creed, national origin or ancestry, sex (including pregnancy), sexual orientation, gender, gender identity, physical or mental disability, veteran status, genetic information, ethnicity, citizenship, or any other characteristic protected by law. CorServ is firmly committed to upholding EEO principles. As part of our standard pre-employment process, we conduct screenings for drugs, credit, and backgrounds in accordance with legal requirements and industry best practices. These measures help us maintain a safe, secure, and inclusive work environment for all employees.