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4.6
4.6
100%
ROYSAMBU, Kenya
$20 USD per hour
I am an experienced Matlab programmer and run advanced simulations in physics and engineering. I apply the FINITE DIFFERENCE TIME DOMAIN, FINITE ELEMENT ANALYSIS, and METHOD of MOMENTS to solve Engineering and Physics numerical problems. Additionally, I have hands-on experience in electronics both hardware and software. OTHER PLATFORMS >>Lumerical Ansys >>Comsol Multiphysics >>LtSpice (development of libraries, simulation of monte Carlo, and worst cases, analog and digital electronics) >>Proteus (Circuit design, PCB design, and digital electronics) >>Instrument calibration, diagnostics, and troubleshooting SOFTWARE: >>Python (Sympy, Numpy, Matplotlib, Scipy, Numba, Scikit, among other packages. I can do all data visualizations in form of graphs and plots that conforms to the standards of high-ranking publishers like Nature) >>Matlab and Simulink( All engineering and physics simulations and code development for different applications) >>C_plus plus( All engineering and science simulations and code development) Specialization Areas: >>Mechanical engineering (THERMODYNAMICS, MATERIAL SCIENCE, MECHANICS OF MATERIALS) >>Physics (QUANTUM MECHANICS, CLASSICAL MECHANICS, STATISTICAL MECHANICS, OPTICS AND LASERS, MATHEMATICAL PHYSICS, NANOMATERIALS, MATERIAL SCIENCE) >>Mathematics(LINEAR ALGEBRA, CALCULUS, ODE, PDE) >>Control Engineering (CONTROL THEORY, PREDICTIVE, ROBUST, and ADAPTIVE CONTROL) 3D Rendering: >>Solid Edge Software(DESIGN 3D AND 2D OBJECTS, and SIMULATIONS ) Research and Publications >>Research in the above-named areas of specialization. I can do papers, journals and theses. >>Editing of papers, journals and theses to conform to standards
5.0
5.0
78%
Ottawa, Canada
$20 USD per hour
Hi there, hope you're doing Great. About Me? I'm Yousef, an skilled and highly motivated Electronics Engineer actively seeking freelance opportunities. Proficient in PCB design and Microcontroller programming, I'm committed to collaboration and thrive in diverse teams. Eager to contribute to cutting-edge projects, I continuously seek professional growth in electronics engineering's dynamic landscape. Here is my major Expertise: ✅ PCB Design, Proficient in Altium Designer, ✅ Analog Circuit Design, ✅ Microcontroller Based Circuit Design, ✅ IOT, ✅ Arduino, ✅ ESP Microcontrollers, ✅ AVR Family Microcontrollers, ✅ STM32 Microcontrollers, ✅ Product Design I have a genuine passion for electronics, and I believe it's this core motivation that has always pushed me to overcome any challenge. So, Let's begin and elevate your projects together!
1.4
1.4
100%
Peshawar, Pakistan
$20 USD per hour
Muhammad Ishaq is a postgraduate in Electrical Engineering from COMSATS University, Islamabad with strong research, technical writing, and communication skills. During his course of undergraduate study, he worked on a Nationally funded project named "Component wise design of C-Band Dual Polarized Doppler Radar Receiver." As a professional, he has work experience of eight years. His key job so far in his career was "Technical manager (Electrical)" at Pakistan Institute of Research and Development. Moreover, he is also a co-author of a book entitled " Design, implementation, and analysis of next-generation optical networks: Emerging research and opportunities ".Currently, he is working as a School Leader in Khyber Pukhtoon Khwaah Elementary and Secondary Education Department,Peshawar.
3.8
3.8
100%
Keçiören, Turkey
$65 USD per hour
Hi there! 👋 I’m Taha, a Senior Optical Design Engineer with 10+ years of experience helping companies and research teams bring advanced optical ideas to life — from concept to manufacturable prototype. I specialize in AR/VR optics, waveguide HUDs, holographic systems, and custom imaging designs, using tools like Zemax OpticStudio, Lumerical FDTD, LightTools, and MATLAB to deliver powerful optical simulations and real-world-ready results. Whether you need a compact optical system, a holographic projector, or precision alignment and tolerance/DFM optimization, I can support your project from concept through to production. What I Can Help You With 🔹 Optical design & simulation (imaging, illumination, diffractive) 🔹 Head-up displays (HUD) & AR/VR waveguide optics 🔹 Holographic, diffractive & metasurface optical elements (DOE, HOE) 🔹 Lens optimization & tolerance analysis for manufacturing 🔹 Optical packaging & stray light/ghost analysis 🔹 System alignment, MTF evaluation, and optical testing 🔹 MATLAB-based optical modeling or data visualization Recent Projects & Highlights Holographic AR Head-Up Display (HUD) System for Automotive Applications ▪️Led the optical design and development of next-generation holographic AR HUDs for automotive applications, optimizing waveguide and relay optics for compact packaging and diffraction-limited imaging. ▪️Converted R&D concepts into manufacturable products by collaborating with global optics suppliers and refining production processes. ▪️Developed custom MATLAB/Python tools for PGU uniformity correction and display performance mapping. ▪️Performed stray light, ghost, and MLA diffuser analyses to improve clarity, reduce glare, and ensure stable performance under sunlight exposure. AR/VR Wearable Technology ▪️Developed direct-to-retina AR projection systems integrating holographic elements, MEMS mirrors, and laser diodes for eyewear-based displays. ▪️Performed full optical analyses covering FoV, resolution, stray light, floater compensation, and IR eye-tracking integration. ▪️Designed an ultra-wide FoV AR headset, expanding the eyepiece FoV from 79° to 90° within an 8 mm eye-box, minimizing pupil swim and enhancing gaze accuracy. ▪️Led the optical design of an anamorphic micro-projector module with multi-wavelength LCOS channels, optimized for manufacturable freeform and aspheric lens elements. ▪️Modelled a miniaturized optical projection system for wearable devices. Balanced illumination uniformity, optical efficiency, and packaging constraints. Skills ▪️Zemax OpticStudio (Sequential / Non-Sequential) ▪️ANSYS Speos ▪️Lumerical FDTD ▪️LightTools & FRED ▪️MATLAB / Python for data analysis ▪️Optical Alignment & Calibration ▪️Tolerance & Stray Light Analysis ▪️Imaging & Illumination Systems ▪️AR/VR Display Optics & Waveguides
1.1
1.1
100%
Podgorica, Montenegro
$2 USD per hour
I'm new here. I will provide more informations soon. I'm currently at Master studies of Telecommunications on Electrical engineering faculty.
2.1
2.1
100%
Glasgow, United Kingdom
$20 USD per hour
My PhD was in designing the lens for concentrator and emitter and I have over 6 years experience in optic industry
2.7
2.7
100%
Dodabommasandra, Bangalore, India
$15 USD per hour
With a Master's degree in Optics and Photonics and over 9 years of professional experience across the Ophthalmic, Defence and Aerospace sectors industrial expertise. Throughout my career, I have concentrated on the development and prototyping of optical products, specializing in visible and thermal imaging systems for diverse applications including weapon sights, Zoom system in Visble, SWIR, MWIR and LWIR,surveillance, Star Sensor, Ground and Space based telescopes, tracking & targeting systems and ophthalmic devices. Advanced proficiency in utilizing Zemax and Code V software for optical system design, complemented by Optics Builder for optomechanical simulations. Additionally, I am adept in Matlab and the Ansys STAR module for comprehensive structural, thermal, and optical performance analysis.
A design engineer is a technical professional who develops product concepts, mechanical assemblies, and engineered components using CAD software, simulation tools, and engineering principles to turn ideas into manufacturable designs. Hiring a freelance design engineer gives you on-demand access to specialized expertise across mechanical, electromechanical, and product design disciplines without the overhead of a full-time engineering hire.
A design engineer bridges the gap between a concept and a production-ready product. They translate functional requirements, sketches, or briefs into detailed 3D models, technical drawings, and bills of materials that manufacturers can build from. Their work directly affects product cost, performance, manufacturability, and time to market.
Engagements typically start with requirements analysis and concept development, then move through detailed design, prototyping support, and design for manufacturing. Many design engineers also handle finite element analysis, tolerance stacks, and material selection to validate that a part will perform under load and survive real-world conditions.
The exact scope varies by industry, but a freelance design engineer commonly delivers:
Tool fluency is one of the clearest signals of a capable design engineer. Match the tools on a candidate's profile to the file formats and ecosystem you already work in.
Design engineering is needed wherever physical products are built. Common engagements come from consumer products, industrial machinery, automotive aftermarket, robotics, medical devices, aerospace components, HVAC, renewable energy, agricultural equipment, and IoT hardware. Startups bringing a hardware product to market often hire a freelance design engineer to take a concept from sketch to manufacturable prototype, while established manufacturers use them to handle overflow work, redesigns, or specialized analyses without expanding headcount.
The right candidate combines formal engineering training with hands-on production experience. Look for a degree in mechanical, manufacturing, or product engineering, and evidence the freelancer has shipped real products — not just academic models. Strong portfolios show CAD assemblies alongside the manufactured parts, drawing packages with proper GD&T, and analysis reports with clear conclusions.
Key signals to evaluate:
Useful interview questions to ask shortlisted candidates:
Many product projects need a small team of complementary specialists. Design engineering commonly pairs with industrial design, electronics and PCB design, firmware development, materials engineering, mechanical drafting, and 3D rendering. Understanding which skill set covers which deliverable helps you scope the project accurately and avoid gaps between contributors.
Freelancer.com gives you access to a global pool of design engineers spanning every major CAD ecosystem, manufacturing process, and industry. Whether you need a SolidWorks specialist for a consumer product, a CATIA expert for an automotive bracket, or an FEA consultant for a single stress study, you can find vetted talent quickly. Clients post a project on Freelancer.com, set their own budget, and receive competitive bids from engineers whose profiles, ratings, and portfolios are open for review. Milestone Payments protect your funds until deliverables meet your specification, and the platform's chat and file-sharing tools make it easy to share STEP files, PDFs, and reference samples directly with freelancers on Freelancer.com.
Ready to move your product from concept to production-ready files?
Hiring a design engineer is a structured process built around a clear technical brief, careful proposal review, and evidence-based candidate selection. Because the deliverables — CAD models, drawings, simulation reports — have measurable quality standards, the better you define the work upfront, the faster you'll converge on the right freelancer.
Your project brief is the single biggest determinant of bid quality. A vague post attracts generic proposals, while a specific brief filters for engineers whose CAD fluency, industry experience, and analysis capability genuinely match your work. Head to the
Bids are short proposals, not just price quotes. A strong design engineer will respond with a clear interpretation of your brief, raise technical questions, and propose a realistic milestone plan. Read each proposal carefully and shortlist candidates whose understanding of the engineering work — not just their headline rate — matches what you actually need.
Final selection combines proposal quality with the evidence on each freelancer's profile. For design engineering, weigh consistency across past projects more heavily than a single impressive render — well-organized assemblies, clean drawings, and clear analysis reports across multiple jobs are stronger signals than one polished portfolio piece.
Simple part designs or drawing cleanups can be completed in a few days, while a full product development cycle from concept to production-ready files typically runs several weeks to a few months. Timeline depends on part complexity, number of revisions, simulation requirements, and whether physical prototyping is part of the scope.
An industrial designer focuses on form, user experience, ergonomics, and aesthetics. A design engineer focuses on engineering function, material selection, tolerances, structural performance, and manufacturability. Many products need both, often working in sequence or in parallel.
Yes. Experienced design engineers regularly produce drawing packages, BOMs, and supplier-ready files, and many will liaise with machine shops, injection molders, or contract manufacturers on your behalf. Confirm this scope explicitly in your brief, since not every freelancer offers manufacturing coordination.
Either works. A design engineer can start from hand sketches, reference photos, written requirements, or existing CAD files and STEP imports. The clearer your inputs and constraints, the faster the freelancer can produce accurate first-pass models.
Standard freelance engagements transfer IP and native CAD files to the client on completion. Confirm ownership terms, deliverable file formats (native CAD, STEP, IGES, PDF drawings), and any NDA requirements in writing before awarding the project.
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