Senior Systems Engineer

CorServ

Senior Systems Engineer designing and optimizing backend systems for high volume transaction processing. Contributing to a technology platform in the credit card processing industry.

Posted 5/26/2026full-timeRemote • Alabama, Florida, Iowa, Kentucky, New York, North Carolina, Tennessee, Texas, Wisconsin, Wyoming • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies

ETLGoMS SQL ServerNoSQLPHPPythonSQL

About the role

Key responsibilities & impact

Help build the next generation credit card processing platform that powers real-time financial transactions
Design, optimize, and support high volume transaction processing systems in a 24/7 production environment
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

Requirements

What you’ll need

5–8+ years of professional software development experience
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)

Benefits

Comp & perks

Competitive compensation package
Company-paid benefits package including medical, dental, and vision
Generous PTO plan
401k match
Opportunity to work in a remote environment

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

PythonGoPHPMicrosoft SQL ServerETLAPI designNoSQL databasesquery optimizationbatch processingsecure coding

Soft Skills

analytical skillsproblem-solving skillscommunication skillscollaborationdebugging skillstroubleshooting skillsproduction incident managementknowledge sharingdocumentationtechnical demonstrations

Certifications

Bachelor's degree in computer scienceBachelor's degree in EngineeringPCI DSS compliance knowledge