{"id":3351667,"url":"https://alion.io/job/fis-senior-software-engineer-senior-full-stack-cloud-modernization-engineers","title":"Senior Software Engineer: Senior Full-Stack Cloud Modernization Engineers","company":{"id":4808,"name":"FIS","domain":"fisglobal.com","url":"https://alion.io/company/fis","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":83,"open_postings":73,"ghost_share":0.027,"stale_share":0.589,"repost_share":0.055,"time_to_fill_p50_days":26,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":119000,"max_usd":222000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":3667},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Amazon EC2","optional":false},{"name":"Amazon S3","optional":false},{"name":"AWS","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"JavaScript","optional":false},{"name":"Jenkins","optional":false},{"name":"JQuery","optional":false},{"name":"React.js","optional":false},{"name":"Redis","optional":false},{"name":"Snyk","optional":false},{"name":"Splunk","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-10-27T18:46:06Z","employer_posted_date":"2026-10-27","last_verified_at":"2026-10-31T03:26:46Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Job Description\nFIS 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.\n\nREQUIREMENTS: 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\ntroubleshooting 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.\n\nQUALIFIED APPLICANTS: Please apply directly through our website by clicking on “Apply Now.”\nPrivacy Statement\nFIS 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.\nEEOC Statement\nFIS 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\nFor positions located in the US, the following conditions apply. If you are made a conditional offer of employment, you will be required to undergo a drug test. ADA Disclaimer: In developing this job description care was taken to include all competencies needed to successfully perform in this position. However, for Americans with Disabilities Act (ADA) purposes, the essential functions of the job may or may not have been described for purposes of ADA reasonable accommodation. All reasonable accommodation requests will be reviewed and evaluated on a case-by-case basis.\nSourcing Model\nRecruitment 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.","description_format":"text","description_chars":5457,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Financial Software & Embedded Finance","Payment Processing & Gateways"],"lifecycle":[{"event":"open","at":"2026-10-27T18:46:06Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":3,"expected_fill_days":26,"reasons":["conf:2","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-31T05:58:55Z"},"pay":null,"html_url":"https://alion.io/job/fis-senior-software-engineer-senior-full-stack-cloud-modernization-engineers","json_url":"https://alion.io/job/fis-senior-software-engineer-senior-full-stack-cloud-modernization-engineers.json","meta":{"generated_at":"2026-10-31T17:29:58Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":27357,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":4808},"rest":"https://alion.io/mcp/rest/get_company?id=4808"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ffis-senior-software-engineer-senior-full-stack-cloud-modernization-engineers"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Ffis-senior-software-engineer-senior-full-stack-cloud-modernization-engineers"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Ffis-senior-software-engineer-senior-full-stack-cloud-modernization-engineers"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/fis-senior-software-engineer-senior-full-stack-cloud-modernization-engineers\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ffis-senior-software-engineer-senior-full-stack-cloud-modernization-engineers"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3351667}},{"tool":"search_jobs","arguments":{"company":"fisglobal.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3351667},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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