Resume

Jeffrey Plewak — Senior Software Architect & Platform Engineer

Backend, cloud, platform, and AI infrastructure engineering for teams that need senior technical judgment and clean delivery.

Based in Greenville / Eastern North Carolina and available for Raleigh, the Carolinas, and remote-first teams. Professional history from 2011 to present across enterprise banking, IBM Cloud, aerospace, defense, consulting, and independent platform work.

Remote first • North CarolinaLinkedIn

Major environments

Professional history includes banking, cloud infrastructure, aerospace, defense, and platform engineering environments.

  • J.P. Morgan Chase
  • IBM Cloud
  • Lockheed Martin
  • Fidelity Investments
  • Raytheon / RTX
  • BAE Systems

Strongest technical signals

A condensed view of the strongest recurring engineering signals across my career and public project work.

Backend/platform architecture

APIs, service boundaries, operational tooling, and deployment-aware backend systems.

AI/retrieval systems

Retrieval workflows, prompt-controlled services, validation gates, and human review boundaries.

Cloud infrastructure and CI/CD

AWS infrastructure, Kubernetes, Terraform, build automation, and repeatable release workflows.

Secure software delivery

RBAC, JWT/Keycloak, OPA policy checks, provenance, audit records, and controlled change paths.

Safety-critical / regulated engineering

Defense, banking, cloud operations, verification, validation, and audit-oriented delivery controls.

Reliability / observability

Runtime validation, structured logs, incident response, root cause analysis, and operational evidence.

Selected roles showing platform, cloud, AI infrastructure, reliability, and regulated engineering experience.

MSTRO / Think Systems Inc.

Lead Senior Software Engineer (Contract)

2024-09 to 2025-11 · Contract

Developed Python, Erlang, and Go backend services for orchestration, data processing, retrieval, validation, reporting, and operator-review workflows using FastAPI/Flask, PostgreSQL, REST/GraphQL APIs, and websocket-based service patterns.

J.P. Morgan Chase

Senior Software Engineer

2022-07 to 2023-12 · FTE

Co-developed Python, Go, and Java backend automation and operational tooling supporting network analytics, deployment validation, and enterprise infrastructure workflows.

IBM Cloud

Senior Software Engineer (SRE)

2019-01 to 2019-09 · FTE

Supported Kubernetes-based Python and Go microservices for IBM Cloud storage services with SLO/SLA expectations, CI/CD release controls, and production runtime troubleshooting responsibilities.

Lockheed Martin

Senior Software Engineer

2018-01 to 2018-12 · FTE

Developed C++, Python, Perl, shell, and Java software for safety-critical avionics, radar simulation, and defense systems operating under DO-178 and audit-oriented engineering controls.

Fidelity Investments (Veritude)

Senior Python Engineer

2017-05 to 2017-12 · FTE

Developed Python backend automation services supporting F5 load balancer configuration workflows, input validation, normalization, batching, rollback handling, production support, and operational reliability.

Raytheon / Insight Global

Senior Software Engineer

2019-09 to 2019-12 · Consulting

Implemented LDRA tooling and static/dynamic analysis workflows supporting MISRA-C 2012 and DO-178C software certification.

BAE Systems

Software Engineer Associate

2011-05 to 2012-06 · FTE

Developed multithreaded Java and C++ radar simulation software supporting defense-oriented tracking and operational research workflows within POSIX/Linux environments.

Project proof

Public project pages connect the resume to concrete implementation evidence.

Public OSS

TraceMesh Orchestrator

Retrieval, evaluations, audit traces, and AWS runtime records.

Proves retrieval, AWS runtime records, evaluations, and traceable deployment workflows.

View project proof

Public OSS

KProvEngine

Evidence records and policy checks for workflow runs.

Proves evidence records, policy checks, and workflow provenance.

View project proof

Public

Portfolio and jeffreyplewak-com

This Next.js site, metadata, and release gates.

Proves metadata, release gates, and static-first delivery.

View project proof

Skills matrix

Grouped for scanning by recruiters, hiring managers, and technical leads.

Backend & APIs

  • Python
  • Go
  • Java
  • FastAPI
  • Flask
  • REST
  • GraphQL
  • WebSockets
  • PostgreSQL

Cloud & Infrastructure

  • AWS
  • Terraform
  • Lambda
  • API Gateway
  • DynamoDB
  • EKS
  • Kubernetes
  • Docker

AI & Retrieval

  • Bedrock
  • LangChain
  • LangGraph
  • Retrieval workflows
  • Prompt-controlled orchestration
  • HITL review

Security & Governance

  • IAM
  • RBAC
  • JWT
  • Keycloak
  • OPA
  • SPDX
  • CycloneDX
  • SBOM generation
  • SLSA concepts
  • Sigstore
  • Cosign

Observability & Reliability

  • CloudWatch
  • SLO/SLA
  • Incident response
  • RCA
  • Structured logging
  • Runtime smoke testing

CI/CD & Supply Chain

  • CI/CD
  • Jenkins
  • BuildBot
  • GitHub API
  • Deployment evidence
  • Provenance workflows

Full timeline

Compact chronology of public professional experience.

  1. Senior Software Engineer

    Software Engineering & Development

    2025-11 to Present · Owner

    • Independent technical development focused on AI platform workflows, AWS infrastructure automation, deployment tooling, and reproducible backend systems across private and public GitHub projects.
  2. Lead Senior Software Engineer (Contract)

    MSTRO / Think Systems Inc.

    2024-09 to 2025-11 · Contract

    • Developed Python, Erlang, and Go backend services for orchestration, data processing, retrieval, validation, reporting, and operator-review workflows using FastAPI/Flask, PostgreSQL, REST/GraphQL APIs, and websocket-based service patterns.
  3. Founder / Python Developer

    MyGeo LLC

    2024-02 to 2024-08 · Owner

    • Led development of cloud-based SEO, communications, and AI/API integration platforms using Python, React, Next.js, Node.js, MongoDB, PostgreSQL, and microservice-oriented architectures.
  4. Senior Software Engineer

    J.P. Morgan Chase

    2022-07 to 2023-12 · FTE

    • Co-developed Python, Go, and Java backend automation and operational tooling supporting network analytics, deployment validation, and enterprise infrastructure workflows.
  5. Senior Software Engineer

    AIM Consulting / Nintendo of America

    2022-02 to 2022-04 · Consulting

    • Developed Python AWS Glue ETL workflows and automation patterns using EventBridge, CloudWatch integrations.
  6. Cloud Architect

    Keysight Technologies

    2021-08 to 2021-12 · Consulting

    • Developed cloud architecture and CI/CD workflow patterns in Linux environments using Docker, Kubernetes, Java, and Python.
  7. Senior Software Developer

    RAPP

    2020-09 to 2020-11 · Consulting

    • Analyzed large codebases to identify service boundaries and support microservice modernization initiatives using Docker, AWS, Python, Java, and Git-based workflows.
  8. Senior Software Engineer

    Northrop Grumman / Aerotek

    2020-02 to 2020-05 · Consulting

    • Developed Python workflows for CI/CD using BuildBot and GitHub API integrations supporting nightly and manual build systems.
  9. Senior Software Engineer

    Raytheon / Insight Global

    2019-09 to 2019-12 · Consulting

    • Implemented LDRA tooling and static/dynamic analysis workflows supporting MISRA-C 2012 and DO-178C software certification.
  10. Senior Software Engineer (SRE)

    IBM Cloud

    2019-01 to 2019-09 · FTE

    • Supported Kubernetes-based Python and Go microservices for IBM Cloud storage services with SLO/SLA expectations, CI/CD release controls, and production runtime troubleshooting responsibilities.
  11. Senior Software Engineer

    Lockheed Martin

    2018-01 to 2018-12 · FTE

    • Developed C++, Python, Perl, shell, and Java software for safety-critical avionics, radar simulation, and defense systems operating under DO-178 and audit-oriented engineering controls.
  12. Senior Software Engineer

    Raytheon

    2016-12 to 2017-04 · FTE

    • Supported reconnaissance and geospatial mission systems involving GIS-oriented data models, automation tooling, and operational research workflows.
  13. Senior Python Engineer

    Fidelity Investments (Veritude)

    2017-05 to 2017-12 · FTE

    • Developed Python backend automation services supporting F5 load balancer configuration workflows, input validation, normalization, batching, rollback handling, production support, and operational reliability.
  14. Senior Python Engineer

    Fidelity Investments (Veritude)

    2015-04 to 2016-11 · FTE

    • Refactored monolithic applications into service-oriented and microservice-oriented architectures with clearer service boundaries, API integrations, and improved scalability and maintainability.
  15. Software Engineer

    Lockheed Martin

    2012-06 to 2015-04 · FTE

    • Developed avionics and radar simulation software for defense systems operating within regulated engineering environments requiring strict verification, validation, and documentation controls.
  16. Software Engineer Associate

    BAE Systems

    2011-05 to 2012-06 · FTE

    • Developed multithreaded Java and C++ radar simulation software supporting defense-oriented tracking and operational research workflows within POSIX/Linux environments.

Next step

Use the resume, projects, and services page together.

Recruiters and hiring teams can start with contact. Consulting prospects can review services. Technical reviewers can use project pages for implementation proof.