Senior Software Engineer Backend, High-Performance Systems

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RICHARD F PARKER

**** ******** *****, *** *** Arden, North Carolina, 28704, USA

Email: *******@*****.*** Phone: 904-***-****

LinkedIn: https://www.linkedin.com/in/richardparker4213571/ Credly: https://www.credly.com/users/rich-parker.8236ff07 SUMMARY

Senior Software Engineer with experience developing high-performance backend systems and enterprise applications across Linux and Windows is seeking a new Senior Software Engineering role. Maintained multiple Linux Datacenters. I am an expert in C/C++, Python, PHP. I am experienced in API development, PyTorch, FastAPI and backend architecture, with a strong track record in system reliability, scalability, and leading Agile/Scrum teams. I am experienced in CI/CD, database systems, and high-volume data processing.

SKILLS

• Python Development

• Flask, PyTorch, TensorFlow

• C/C++ development (Windows & Linux)

• JavaScript programming

• Groovy Development for Jenkins

• Docker and Pod man management

• Terraform + Kubernetes rollouts

• Jenkins CI/CD, and GitOps

• Datacenter management with MS Windows

and RHEL (Linux) systems

• Backend system design

• PostgreSQL, SQL, NoSQL, DB2, Key-Value

and Graph Database management

• Red Hat Ansible use and development

• Red Hat Ansible Automation Pro

• REST API design

• AWS Certified Dev/Architect

• IBM Certified ML Engineer

• Neural Networking, GAN, CNN work

• Mentoring junior engineers

• Networking with DNS, DHCP, ICMP, SNMP

• High volume X.12, HL/7 and NCPDP

mapping experience

EXPERIENCE

Advisory Software Engineer / IBM – San Jose, CA, USA (remote) 4/2020 - 12/2025

• Contributed to IBM's open-source project: https://github.com/ansible-collections/ibm_zos_core, expanding the Ansible z/OS Collection from 5 31 modules (Python development).

• Certified in ML Engineering, Data Science Professional, Professional Cloud Developer

• Worked in IBM’s “multi-cloud” environment, connecting IBM systems to AWS and Azure services (non-prod)

• Trained in LLMs and Watson / WatsonX

• Created a RAG system to give WatsonX appropriate responses for our modules

• Built and maintained a Jenkins CI/CD pipeline creating production test and maintenance system for development. System worked for 5 years, then was replaced by GitHub Actions.

• Developed demo/training systems using JavaScript, DITA, and Darwin formatting. Over 600 potential clients have used this product over a 2-year period

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• Ansible: Created over 100 YAML Playbook scripts to test and demonstrate different functions that we at IBM have created. Extended this into AAP. Interfaced to target systems directly and through Terraform

• Reviewed major modules to improve automation reliability, reduce bugs, and strengthen Linux to z/OS integrations

• Worked in a team that grew from 2 developers up to 9 across 3 countries. Helped the new hires to get onboard so they could operate, configure and use test systems (System Z mainframes)

• Received over 300 hours of AI training (CNN, RNN, Data Analytics, LLM) from IBM and Udemy, including PyTorch, TensorFlow, WatsonX, and later Claude for LLMs Software Engineer 4 / Change Healthcare - Asheville, NC, USA 09/2016 - 04/2020

• Maintained backend C++ systems processing 250K+ transactions/day (Linux architecture)

• Implemented updates for MBI (Medicare ID) transition, price modeling, and 271 eligibilities

• Built Jenkins CI/CD environment without external package access (air-gapped system)

• Created eligibility simulator and volume-testing tools for QA/QE

• Added new features and fixes to Linux C++ NCPDP/TCP/IP systems

• Worked on a proposal to migrate a monolith system to Microservices in AWS. Set up POC’s connecting to remote services and performed timing/response tests under load

• Worked in Scrum/Kanban using Jira, Confluence, and Git LAMP Developer, System Administrator, L3 Support / PNC NA - Pittsburgh, PA 09/2014 - 08/2016

• PHP + MySQL: Modernized SOX attestation system, reducing compliance workload by 80%. o Migrated systems to RHEL/Apache/MySQL, improving audit score from 0/5 to 4/5

• Integrated 22 enterprise systems of record into one platform

• Completed Red Hat Level 3 Administration training, rotating on-call support

• I received ESXi training for network management. LAMP Developer / Kforce (Contract for PNC NA) - Pittsburgh, PA, USA 05/2014 - 09/2014

• Built coordination system to sync server data between internal platforms

• Automated tools for event validation and system-state comparisons

• Implemented code reviews to ensure quality and maintainability of software Software Engineer / One Call Care Management - Canonsburg, PA, USA 06/2012 - 05/2014

• Developed and implemented mutual-authentication SOAP system

• Automated import/export processing 1.4M+ bills, passing all audits

• Built 12 business intelligence reports for operations and management

• Managed EDI workflows processing 60K+ weekly transactions

• Upgraded query system to improve response times for 50 internal users: 1 page/minute became a page/second after the upgrade (switched for AJAX) Senior Software Engineer / Sculptor Development & Hospira – Pittsburgh, PA 04/1996 - 09/2010

• Designed + Created the NetPrint enterprise print manager which was deployed to 120+ hospitals

• Developed communication services using LPR/D, SNMP, and other socket-based protocols

• Designed routing and preprocessing engines for HL7, PCL, ZPL and PostScript

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