Senior Software Engineer: Senior Full-Stack Cloud Modernization Engineers

FIS; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

FIS Management Services, LLC is seeking a Senior Software Engineer in Jacksonville, FL to lead enterprise web modernization, cloud migration to AWS, and secure software delivery for financial services clients.

You will design features using React and TypeScript while maintaining C#/.NET applications, evolve API-driven architectures, and implement CI/CD pipelines with quality gates across environments.

Qualifications

• Bachelor’s degree or foreign equivalent in Computer Science, Computer Engineering, Electronic Engineering or related field and five (5) years of experience in the job offered or a related occupation.
• Experience engineering automated financial data exchange and file-processing pipelines including FI workflow protocols.
• Experience designing and operating CI/CD pipelines for automated deployment across multi-environment setups.
• Experience with enterprise cloud platforms (AWS), including EC2, S3, RDS, and in-memory caching.
• Proficiency with C#/.NET web applications, React, TypeScript, jQuery, JavaScript, CSHTML.
• Experience managing SSL/TLS lifecycle and certificate management in enterprise environments.
• Experience with security tooling and vulnerability management (Snyk, static analysis) and application performance monitoring (Splunk).

Responsibilities

• Lead implementation of financial exchange workflow protocol (FXR) and file processing mechanisms.
• Architect and migrate legacy applications to AWS and modernize enterprise web apps with React/TypeScript and .NET backend.
• Design and operate Jenkins-based CI/CD pipelines with automated quality gates.
• Deliver end-to-end enterprise solutions including SSO client implementations and certificate lifecycle management.
• Mentor senior engineers and act as a technical resource for large-scale delivery.

Skills

React

TypeScript

C#/.NET

JavaScript

jQuery

CSHTML

CI/CD

AWS

Security tooling

Education

Bachelor’s degree in Computer Science/Engineering or related field

Master’s degree in related field (alternative requirement)

Tools

Jenkins

Snyk

Macroscope

Sectigo

Splunk

Google Analytics

ThousandEyes

Job description

Job Description

FIS Management Services, LLC seeks Senior Software Engineer: Senior Full-Stack Cloud Modernization Engineers in Jacksonville, FL to perform financial data exchange, file format processing, and digital certificate lifecycle management for enterprise financial services clients. Lead implementation of financial exchange workflow protocol (FXR) and drop file and NTB file processing mechanisms, design and implement CTI software licensing systems, and develop automated processing for financial file formats (AFP, id2). Engineer the cloud migration of legacy financial applications to AWS across EC2, S3, ElastiCache, and RDS; implement distributed Redis-based session management. Modernize enterprise web applications, designing features in React and TypeScript while maintaining C# (.NET) applications built on jQuery, JavaScript, and CSHTML, evolving modular, API-driven architectures. Design and operate Jenkins-based CI/CD pipelines automating builds, testing, artifact management, and multi-environment promotion with embedded quality and security gates. Deliver end-to-end implementations of enterprise technologies, including Single Sign-On (SSO) client implementations. Administer the SSL/TLS certificate lifecycle using platforms such as Sectigo, spanning provisioning, renewal, revocation, and key rotation. Remediate application vulnerabilities using Snyk and Macroscope; enforce code quality using static code analysis. Monitor application performance using ThousandEyes, Google Analytics, and Splunk. Act as expert technical resource and senior individual contributor for large-scale enterprise application delivery.

REQUIREMENTS

Bachelor’s degree or foreign equivalent in Computer Science, Computer Engineering, Electronic Engineering or related field and five (5) years of experience in the job offered or a related occupation: engineering automated financial data exchange and file-processing pipelines, including financial exchange workflow protocols, drop file ingestion within cloud object storage, software licensing systems, and parsing and transformation of industry-specific financial file formats, including end-to-end troubleshooting of distributed file-processing failures; designing and operating continuous integration and continuous delivery (CI/CD) pipelines for automated, multi-environment deployment of enterprise applications, including automated build, test execution, and integrated code-quality and security gating; working with enterprise cloud platforms, including cloud compute, object storage, in-memory caching, and managed relational database services, with significant contribution to multi-phase cloud migration of legacy enterprise applications, including architecture design and distributed in-memory session management; developing and modernizing enterprise C# (.NET) web applications incorporating jQuery, JavaScript, CSHTML, React, and TypeScript, including evolving modular, component-based, API-driven architectures for scalability and maintainability; managing enterprise SSL/TLS digital certificate lifecycle using enterprise certificate management platforms, including provisioning, renewal, revocation, and key rotation, combined with encryption/decryption and secrets and vault management; and performing application vulnerability management, including vulnerability assessment, secure code review, and remediation, using application security and static code analysis tools, combined with application performance monitoring and observability tooling. In the alternative, the employer will accept a Master’s degree in the above listed fields and three (3) years of experience in the above listed skills. Telecommuting and/or working from home may be permissible pursuant to company policies.

Privacy Statement

FIS is committed to protecting the privacy and security of all personal information that we process in order to provide services to our clients. For specific information on how FIS protects personal information online, please see the Online Privacy Notice.

EEOC Statement

FIS is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, marital status, genetic information, national origin, disability, veteran status, and other protected characteristics. The EEO is the Law poster is available here supplement document available here

Sourcing Model

Recruitment at FIS works primarily on a direct sourcing model; a relatively small portion of our hiring is through recruitment agencies. FIS does not accept resumes from recruitment agencies which are not on the preferred supplier list and is not responsible for any related fees for resumes submitted to job postings, our employees, or any other part of our company.

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