Aqsa Rubab

Electronic Hardware & Product Development Engineer

Upwork • Freelance

May 2025 - Present • 1 yr 3 mos

>> Designed production-ready electronic hardware, from system architecture and schematic capture to multi-layer PCB layout using Altium Designer, KiCad, and EasyEDA. >> Developed analog, digital, mixed-signal, and power electronics circuits with a focus on reliability, signal integrity, and manufacturability. >> Created manufacturing documentation including Gerber files, drill files, Bill of Materials (BOM), assembly drawings, and fabrication packages. >> Designed embedded hardware platforms based on ESP32, STM32, Arduino, Raspberry Pi, and other microcontrollers for IoT and industrial applications. >> Developed 3D CAD models, electronic enclosures, and mechanical components using SolidWorks for 3D printing, CNC machining, and injection molding workflows. >> Designed and simulated robotic mechanisms, robotic arms, and mechatronic systems for automation and research applications. >> Developed MATLAB and Simulink models for control systems, system simulation, algorithm validation, and engineering analysis. >> Supported prototype development, hardware testing, debugging, and design optimization through to production readiness. >> Collaborated with startups, product companies, and engineering teams to transform product concepts into reliable, manufacturing-ready solutions.

Mechanical Design & CAD Engineer

Freelancer.com • Freelance

Sep 2022 - Present • 3 yrs 11 mos

>> Designed 2D drawings and 3D CAD models using SolidWorks for manufacturing, prototyping, and product development. >> Developed manufacturing-ready mechanical components and assemblies for CNC machining, >> 3D printing, sheet metal fabrication, and injection molding. >> Created detailed engineering drawings with GD&T, dimensions, tolerances, and assembly documentation. >> Performed Design for Manufacturing (DFM) to improve manufacturability, reduce production costs, and simplify assembly. >> Reverse engineered parts and assemblies from images, sketches, scans, PDFs, and physical components into accurate CAD models. >> Designed custom enclosures, housings, fixtures, brackets, and mechanical parts for electronic products and industrial applications. >> Produced STL, STEP, IGES, DXF, and DWG files compatible with manufacturing and rapid prototyping workflows. >> Collaborated with startups, manufacturers, and product teams to transform concepts into production-ready mechanical designs.

PCB Design & Embedded Systems Engineer

Upwork • Freelance

Sep 2021 - Present • 4 yrs 11 mos

>> Designed PCB schematics and layouts using EasyEDA, KiCad, and Altium for analog, digital, and mixed-signal circuits. >> Performed PCB reverse engineering from images, Gerber files, and physical boards to recreate accurate schematics. >> Developed multi-layer PCB designs with proper routing, grounding, and signal integrity optimization. >> Generated fabrication-ready files including Gerber, drill files, and Bill of Materials (BOM). >> Built embedded systems using Arduino, ESP32, and Raspberry Pi for IoT and automation applications. >> Conducted circuit simulation and validation using Proteus, LTspice, and Multisim