Back to Portfolio

Jerzy Zielinski

Senior Software Engineering Leader | Clinical & Healthcare Systems

Professional Summary

Senior Software Engineering Leader with 20+ years of experience designing, building, and scaling software systems across clinical, healthcare, legal, HR, and fintech environments. Strongest where hands-on engineering, systems thinking, and technical leadership converge. Research-oriented mindset shaped by doctoral work in biomedical signal processing. Expanding work in AI-enabled applications, modern platform design, and systems architecture. Passionate about building secure, scalable clinical and healthcare software that supports better decisions and helps people.

Experience

Web Application Developer & Project Lead
Littler San Francisco Bay Area
  • Lead architecture and delivery for enterprise web applications supporting complex legal, reporting, and operational workflows
  • Modernize legacy platforms into cleaner, more extensible architectures improving performance, maintainability, and scalability
  • Translate complex business and operational requirements into practical technical designs and production-ready solutions
  • Drive execution across projects by coordinating priorities and providing senior technical leadership across distributed teams
  • Build data-intensive applications supporting workflow automation, reporting, and operational decision-making
Sr. Software Engineer
Tesla Fremont, CA
  • Designed and developed full-stack web applications using ASP.NET, C#, MVC, Web API, SQL Server, and MySQL
  • Translated business requirements into scalable technical solutions from specification through release
  • Built backend services, database structures, and user-facing features supporting operational workflows
  • Collaborated in Agile delivery environments to coordinate execution and manage changing requirements
.NET Web Developer
Littler San Francisco Bay Area
  • Built and enhanced enterprise web applications supporting complex legal and operational workflows
  • Translated business requirements into effective technical solutions across application logic, UI, and data design
  • Collaborated with distributed teams across the U.S., Europe, and India to support Agile project delivery
Programmer II, III, IV
Arkansas Children's Hospital Little Rock, AR
  • Developed healthcare applications supporting clinical, operational, and administrative needs within a pediatric environment
  • Partnered with internal stakeholders to translate business and workflow requirements into effective technical solutions
  • Built full-stack web applications using C#, .NET Framework, SQL Server, and related web technologies
  • Progressive advancement reflecting growing scope, ownership, and technical leadership
Application Systems Analyst & Project Manager
UAMS (University of Arkansas for Medical Sciences) Little Rock, AR
  • Led software and systems initiatives in an academic medical environment supporting clinical, research, and administrative functions
  • Managed projects end-to-end from requirements gathering through development, testing, documentation, and implementation
  • Supervised technical and administrative staff, coordinating execution across multiple priorities
  • Built full-stack solutions tailored to departmental and user needs in a healthcare setting

Selected Projects

Somatic Connect somatic-connect.com (2025 - Present)

Built and launched a marketplace platform connecting clients with qualified somatic practitioners. Led product architecture, platform design, and full-stack implementation.

Finsie finsie.com (2020 - Present)

Co-founded and built an SEC-registered financial services marketplace. Led end-to-end technology strategy, system design, and full-stack implementation.

Skillfull skillfull.com (2016 - 2020)

Co-founded an e-learning platform transforming live webinars into accredited on-demand continuing education. Led full-stack development, APIs, and compliance tracking.

Technical Skills

Languages: C#, JavaScript, TypeScript, Python, SQL, HTML5, CSS3/SCSS
Frameworks: .NET / ASP.NET Core, MVC, Web API, React, Angular, Bootstrap, Dapper
Databases: SQL Server, MySQL, PostgreSQL, NoSQL, Data Modeling
Cloud/DevOps: Docker, GitHub Actions, CI/CD, Nginx, Linux, Azure
AI & Data: OpenAI / LLM, AI-Assisted Dev, Signal Processing, Computational Imaging
Leadership: Systems Architecture, Technical Leadership, Agile/Scrum, Product Development

Education

Doctor of Philosophy (PhD) - Multidimensional Digital Signal Processing
University of Arkansas at Little Rock
Master's Degree - Biomedical Signal Processing
University of Arkansas at Little Rock

Publications

Three-Dimensional Morphology Quantification of Biofilm Structures from Confocal Laser Scanning Microscopy Images. IPCSIT, Sep 2011
Automated Biofilm Region Recognition and Morphology Quantification from Confocal Laser Scanning Microscopy Imaging. Biomedical Science and Engineering, Mar 2011

Volunteering

Camp WannaCode Instructor
Arkansas Children's Hospital
  • Teaching children ages 14-18 iOS programming, web development, and hardware development with Raspberry Pi