Senior Software Engineer: Senior Full-Stack Cloud Modernization Engineers

FIS•Jacksonville, FL

13d

About The Position

FIS Management Services, LLC seeks a Senior Software Engineer in Jacksonville, Florida, to perform financial data exchange, file-format processing, and digital certificate lifecycle management for enterprise financial services clients. This senior individual contributor serves as an expert technical resource for large-scale enterprise application delivery. The role leads implementation of financial exchange workflow protocol (FXR), drop-file and NTB-file processing mechanisms, CTI software licensing systems, and automated processing for financial file formats such as AFP and id2. It also engineers cloud migrations of legacy financial applications to AWS services, including EC2, S3, ElastiCache, and RDS, and implements distributed Redis-based session management. The engineer modernizes enterprise web applications, building features with React and TypeScript while maintaining C# (.NET) applications using jQuery, JavaScript, and CSHTML, and evolving modular, API-driven architectures. The position designs and operates Jenkins CI/CD pipelines for builds, testing, artifact management, and promotion across environments, with quality and security gates. Additional work includes end-to-end implementation of enterprise technologies such as SSO clients; administering SSL/TLS certificates through platforms such as Sectigo; remediating vulnerabilities with Snyk and Macroscope; enforcing code quality through static analysis; and monitoring performance with ThousandEyes, Google Analytics, and Splunk. Telecommuting and/or working from home may be permissible pursuant to company policies.

Requirements

Bachelor’s degree or foreign equivalent in Computer Science, Computer Engineering, Electronic Engineering, or a related field, plus five years of experience in the job offered or a related occupation; alternatively, a master’s degree in one of these fields plus three years of experience in the listed skills.
Experience engineering automated financial data exchange and file-processing pipelines, including financial exchange workflow protocols, drop-file ingestion in cloud object storage, software licensing systems, and parsing and transformation of industry-specific financial file formats.
Experience troubleshooting distributed file-processing failures end to end.
Experience designing and operating CI/CD pipelines for automated, multi-environment enterprise application deployment, including automated builds, test execution, and integrated code-quality and security gates.
Experience with enterprise cloud platforms, including cloud compute, object storage, in-memory caching, and managed relational database services, and significant contribution to multi-phase legacy-application cloud migrations, including architecture design and distributed in-memory session management.
Experience developing and modernizing enterprise C# (.NET) web applications incorporating jQuery, JavaScript, CSHTML, React, and TypeScript, including modular, component-based, API-driven architectures.
Experience managing enterprise SSL/TLS digital certificate lifecycles with certificate-management platforms, including provisioning, renewal, revocation, and key rotation, as well as encryption/decryption and secrets and vault management.
Experience in application vulnerability management, including vulnerability assessment, secure code review, and remediation using application security and static code analysis tools, together with application performance monitoring and observability tooling.

Responsibilities

Lead implementation of financial exchange workflow protocol (FXR) and drop-file and NTB-file processing mechanisms.
Design and implement CTI software licensing systems and automated processing for financial file formats, including AFP and id2.
Engineer migration of legacy financial applications to AWS, including EC2, S3, ElastiCache, and RDS.
Implement distributed Redis-based session management.
Modernize enterprise web applications by developing React and TypeScript features and maintaining C# (.NET) applications using jQuery, JavaScript, and CSHTML.
Evolve enterprise applications toward modular, API-driven architectures.
Design and operate Jenkins-based CI/CD pipelines for automated builds, testing, artifact management, and promotion across environments, with quality and security gates.
Deliver end-to-end implementations of enterprise technologies, including SSO client implementations.
Administer SSL/TLS certificate lifecycle activities, including provisioning, renewal, revocation, and key rotation.
Remediate application vulnerabilities using Snyk and Macroscope and enforce code quality through static code analysis.
Monitor application performance using ThousandEyes, Google Analytics, and Splunk.
Serve as an expert technical resource and senior individual contributor for large-scale enterprise application delivery.