Jonnferth

Senior Desktop & Systems Software Engineer

Northstar Systems • Período integral

Jun 2023 - Present • 3 yrs 5 mos

Desktop Application Engineering - Developed cross-platform desktop applications using Tauri, Rust, React, and TypeScript. - Built Rust-based IPC layers connecting frontend interfaces with native OS APIs and system functionality. - Developed offline-first applications using SQLite and optimized applications for memory usage, startup time, and performance. - Implemented native Windows functionality through Rust and Windows APIs. - Maintained Windows/Linux builds and production installers across platforms. Customized Windows & Linux Deployment - Designed customized Windows installation images with preconfigured applications, drivers, policies, configurations, and deployment scripts. - Automated Windows installation and post-install configuration using PowerShell, DISM, Registry, Sysprep, and unattended installation. - Built standardized Windows deployment environments that reduced manual post-installation setup. - Developed customized Debian/Ubuntu installation environments with preconfigured packages, services, system settings, and deployment scripts. - Automated first-boot configuration using Bash and systemd. - Created repeatable provisioning workflows for workstations, enterprise endpoints, and dedicated systems. - Maintained versioned OS images for consistent, reproducible deployments. - Troubleshot deployment issues involving drivers, boot configuration, packages, permissions, services, and hardware. Build & Release Engineering - Built GitHub Actions CI/CD pipelines for Windows and Linux desktop applications. - Automated `.msi`, `.exe`, `.deb`, and AppImage production builds. - Managed release artifacts, versioning, automated testing, and cross-platform validation.

Systems & Web Application Developer

VectorPeak Technologies • Período integral

Mar 2020 - May 2023 • 3 yrs 2 mos

Application Development - Developed production web applications using React, TypeScript, Tailwind CSS, and Node.js. - Integrated external services and REST APIs including payment, email, authentication, and business-management platforms. - Implemented reusable frontend components and API integrations for SaaS and e-commerce applications. - Developed automated unit and integration tests for critical application functionality. Windows & Linux Engineering - Built and maintained customized Windows workstation environments for development and operational teams. - Created PowerShell automation for software installation, configuration, maintenance, and workstation provisioning. - Maintained Ubuntu and Debian development servers and automated recurring administrative tasks using Bash. - Configured Linux services, permissions, networking, scheduled jobs, and systemd units. - Assisted with creating standardized workstation configurations to reduce setup time for newly provisioned machines. - Documented installation and deployment procedures for repeatable technical operations. Technical Leadership - Mentored junior developers in application architecture, Git workflows, debugging, and deployment practices. - Conducted internal technical knowledge-sharing sessions. - Participated in code reviews and architectural discussions. - Worked with distributed clients and development teams on application requirements and deployment issues.