Design Engineer
in minutes from over 15,000 CVs with the power of AIConnect with freelance Design Engineers specializing in CAD modeling, physical prototyping, and design for manufacturing (DFM). Get matched with vetted, available professionals ready to accelerate your product development lifecycle.
Meet FRATCH Design Engineers
Nazif Küçükkoc
Last position:
Self Employed at Self Employed
Providing services to cover the complete electronic product design process.
- Requirement validation
- Creating / re-writing / breaking down requirements
- Requirement analysis and functional partitioning
- Component selection and risk assessment
- Component library management
- Schematics design
- Safety and reliability assessment
- HDI PCB design
- Design review against requirements
- Readiness for manufacturing review
- Readiness for testing review
- Readiness for verification review
High Power Density BLDC Driver Module with MCU as controller:
- PCB module with heatsink
- L47mm x W36mm x H19mm compact sizes
- Nominal input voltage: 48V
- Sinusoidal continuous RMS current: 50A
- STO, Digital input and outputs
- Analog signal inputs
- CANBUS interface
- RS232/RS485 interface
- Multilayer FR4 design (No aluminum PCB)
Integrated Mission Computer & Smart 5kW PDU
- Featuring 3 different current limits, in total 63 power outputs
- Featuring programmable current amplitude and on-time, in total 84 CC power outputs.
- Ethernet, CANBUS, MIL-BUS, RS485 communication interfaces
- In total 120 Open-Short, Open-GND, 28V-GND types discrete I/O interfaces
- BIT and CIT solutions to monitor output voltage, current and board temperature
Rafal Kaniecki
Last position:
Development Engineer at Hexagon Purus
- CAD system: SolidWorks 2021
- PDM database: HXP SolidWorks
- Product: mobile hydrogen refueling station
- Handling and implementing change requests
- Independently developing products for new applications
- Reviewing and approving production and assembly drawings
- Providing technical support to engineering service providers
- Collaborating closely with purchasing and quality teams
- Developing and achieving cost reduction goals
- Planning and executing concept validations
- Independently creating solution proposals and technical concepts for new ideas
- Establishing and maintaining supplier relationships
Thomas Peter
Last position:
Lifting Device Designer at TP-Produktdesign
- Design of a 3-point quick coupling for tractor lifting attachment
- Development of a bracket for a tow flange device
Michael Neumüller
Last position:
Hardware Development Engineer at Thales
- Architected and implemented a bidirectional USB-C 3.0 Power Delivery (PD/DRP) system for 24V battery charging, successfully minimizing software integration risks through targeted feasibility studies.
- Integrated CAN, USB 3.0, Gigabit-Ethernet, and Audio-Codec interfaces in Altium Designer, successfully delivering the complete system schematic ready for board redesign.
ACHIEVEMENTS:
- Rescued a failing (military) legacy project by reverse engineering undocumented hardware, successfully resolving critical design flaws and consolidating the Altium project.
Deepak Yadav
Last position:
Lead Product Research & Development Engineer at Afiniti AI
- Architected a LangGraph/AWS Bedrock Orchestrator Agent to unify three fragmented, independently-operating contact-center chatbots (Telephony Hub, Intelligence, Pairing Assist) into one context-aware entry point — directly addressing the AI-orchestration gap where disconnected point solutions add complexity without improving outcomes. Introduced 4-tier intent routing and cross-agent shared memory to eliminate repeated context loss across product handoffs.
- Designed a ReAct-based "Level 2" planning upgrade that replaced a 250-intent hardcoded system with dynamic, Skill-grounded LLM planning — breaking through the ceiling where rules-based automation runs out of coverage. Unlocked multi-step analytical queries that the prior intent-matching system structurally couldn't handle.
- Built a Plan Validator and execution-loop safeguards to prevent hallucinated tool calls from reaching production data — ensuring autonomous execution stayed auditable and trustworthy, rather than optimizing for gameable operational metrics at the expense of real customer outcomes.
- Leading and mentoring a team of three PhD interns on applied AI research projects, shaping research direction and contributing to successful publications.
Björn Kunz
Last position:
Development Engineer Control Concepts at TU Chemnitz
- Development and validation of control concepts for grid stabilization with MATLAB/Simulink.
- Modeling of converters (VISMA), grids, and loads to study frequency and phase behavior during load steps.
- Analysis of the influence of inertia, damping, and controller parameters on stability, power output, and ROCOF.
- Development of adaptive control strategies to improve synchronization and dynamic grid support.
- Creation of automated simulation and evaluation tools to assess different scenarios and parameters.
Vaibhav Ganvir
Last position:
Expert Software & Functions Engineer at AVL Software & Functions GmbH
E-Drive Control
- Performed Model-Based Development (MBD) of application software (ASW) functions for E-Drive control using AVL & customer toolchains
- Translated product requirements into scalable, high-performance Simulink models for high-visibility projects, ensuring compliance with V-Model, AUTOSAR, ASPICE, ISO 26262, MAAB, MISRA, MXAM
- Automatic code generation (.c, .h, .arxml) using Embedded Coder
- Analyzed and derived system and ASW requirements, along with test cases, using PTC Integrity, CodeBeamer & PikeTec TPT
- Performed Verification & Validation of ASW using MIL/SIL/HIL, model/code coverage, exception report, req. & test case traceability
- Reviewed requirements, test cases and ASW, providing feedback to testing & development teams to drive bug fixes & improvements
- Created signals in Visu-IT-ADD & Vector DaVinci Developer Classic
- Documented ASW functions using Visu-IT-FunDoc & customer tool
- Updated enterprise architecture (EA) framework for system & ASW
- Created whitebox specifications for Inverter subsystem using Visio
- Commissioned & tested Inverters on Power HIL
- Mentored colleagues to foster collaboration & knowledge sharing
Nomaira Fariah
Last position:
Freelance Product Designer / Design Engineer at Independent
- Design and build client web apps and self-directed products end-to-end, covering product design, design systems, and full-stack front-end on React, TypeScript, Tailwind, and Supabase.
- Designed and shipped a compliance and staff-records web application for a UK transport operator, covering data modelling, UX, and front-end build on Supabase with row-level security and Edge Functions.
- Built Merita, a private-by-default achievement-tracking and performance-review app, in a 48-hour hackathon (SheBuilds). It covers win logging linked to goals and competency frameworks, AI-assembled review packets with token-gated sharing, and a Promotion Readiness view, and is built on React, TypeScript, Tailwind, shadcn/ui and Supabase with row-level security and Edge Functions.
- Designed and built Pantressa, a grocery-tracking, meal-planning and budgeting app, owning product design through front-end delivery on React, TypeScript, Tailwind and Supabase.
Chetan Sheshikumar
Last position:
Student Research Assistant at Hochschule Ravensburg-Weingarten (RWU)
- Built and verified Zynq-7000 (Zybo Z7-10) FPGA prototypes in Xilinx Vivado – AXI IP integration, bitstream generation, hardware bring-up, timing-closure checks and waveform-based debug to confirm expected RTL behaviour.
- Set up Cadence Virtuoso schematic/simulation flows and documented settings, results and methodology for reproducible experiments – supporting structured verification and research documentation.
- Wrote Python automation for log parsing, structured data reporting and result analysis; worked daily in version-controlled Linux/Git workflows.
Boštjan Mulej
Last position:
Support/Operations/Development Engineer at TCS
- Supported operation and design for different software packages
- Worked with RedHat Linux
- Automated tasks using Ansible
- Managed OpenShift environments
- Used IBM AIOps Cloud Pack
- Administered Netcool suite of products
- Worked with IBM QRadar
Josef Ezechias
Last position:
Development service provider, mechanical engineering, design, calculation, certified project management at CAE Consulting Engineering GMBH
I am a development service provider in mechanical engineering with experience as interim assignment for all functional areas designer, development engineer design manager development manager calculation engineer, FEM, MKS, CFD, vibrations, kinematics, dynamics, statics certified project manager according to IHK industry standard, patent engineering – invention exploitation technical programmer / MATLAB, MATHEMATICA, MAPLE, MATHCAD technical managing director interim manager
[link]
[link]
Start: by agreement, based on your wishes and needs, fully flexible, permanent or fixed-term, temporary work, … etc. Compensation: within your planned budget for the position, by agreement
Please email, send references, certificates, CAD, FEM, MKS, CFD, project management, innovation proofs - patents ... etc.
Valentin Reuter
Last position:
Freelance Hardware Development Engineer at Swarm Biotactics
PCB design with Altium, MCU Programming, Prototyping
Mustafa Kederoglu
Last position:
Senior Network Design and Engineer at Helaba
Designed and specified the technical network integration of a new business-critical application system (MUREX) in the capital markets area in a complex interface and outsourcing environment.
Created component specifications, a catalog of measures and an implementation plan.
Ensured proper integration of the developed results in line with the bank’s framework: IT compliance, IT security, change and release management.
Selected and integrated a new service provider for the bank; moved critical bank applications to the provider.
Designed, implemented and supported the new Cisco network and Fortinet security setup at the service provider data center.
Acted as technical interface between the bank, service providers and consulting partners.
Supported and further developed the network and security infrastructure (clients, servers, networks); performed error analysis and implemented solutions within agreed service levels.
Analyzed and diagnosed all security and network failures, glitches and malfunctions.
Initiated continuous improvements to ensure efficient resource use and acceptable response times for users.
Provided network support in a financial services organization and prepared operational changes on production banking network infrastructure for both large and small projects within strict change management discipline.
Designed, defined, tested, governed and improved engineering standards.
Performed the role of network architect for medium to large projects involving team resources.
Cedric Tiogo
Last position:
B2B Freelance Design Engineer for Special-Purpose Machinery at FEM-Composites GmbH
- Cost estimation for a hydraulic system, taking into account the costs over the entire product life cycle and optimizing the technical specifications.
Meris Besirevic
Last position:
Owner, CAM Technician at CNC BRUDER e.U.
- CAD/CAM/CNC services with own TopSolid license
- Parametric CAD design
- CAM programming for turning and milling machining centers
- CNC contract manufacturing
Discover over 15,000 top freelancers
Design Engineers statistics
Aggregated from the professional profiles of matched freelancers.
Experience
22 years
Position duration
6 years
Positions per freelancer
10
Top business areas
Product Development, Quality Assurance, Project Management
Top industries
Manufacturing, Automotive, Energy
Certification focus areas
Product Development, Quality Assurance, Information Technology
Bachelor's degree or higher
81%
Master's degree or higher
50%
Doctorate
5%
Certifications per freelancer
2
Most common languages
German, English, French
Speak two or more languages
94%
Based on our profile pool as of 21 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this role are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates for Design Engineers
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 21 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the role
Bridging Conception and Production
Design Engineers turn abstract product concepts into functional, manufacturable realities. Working at the intersection of creative industrial design and analytical engineering, these specialists ensure that new products are not only visually appealing but also structurally sound, cost-effective, and compliant with industry standards. They translate initial sketches into highly detailed technical specifications and structural layouts.
Core Engineering Capabilities
Experienced freelancers in this field bring a deep understanding of material properties, production techniques, and mechanical systems. They select the appropriate plastics, metals, or composites for each application based on stress requirements and manufacturing methods.
- Creation of parameterized 3D CAD models and assemblies
- Generation of production-ready 2D technical drawings with GD&T
- Finite Element Analysis (FEA) to simulate stress and thermal behavior
- Tolerance stack-up analysis to ensure flawless assembly integration
- Prototyping and testing coordination to validate performance
Software and Technical Tooling
Modern engineering design relies on sophisticated digital tools. Freelancers must be highly proficient in industry-standard CAD suites such as SolidWorks, Autodesk Inventor, CATIA, or PTC Creo. Additionally, they utilize simulation software like ANSYS or Fusion 360 to test digital prototypes before physical manufacturing begins, reducing development costs and shortening time-to-market.
When to Onboard a Freelancer
Companies hire contract designers to handle capacity bottlenecks during intense product development cycles or to access niche knowledge for a specific launch. Whether introducing a new consumer electronic device, automotive component, or medical instrument, a freelance expert can inject immediate technical capability without the long-term overhead of a permanent hire. They quickly integrate into existing engineering teams and adapt to internal PLM systems.
Focus on Design for Manufacturing
A critical value of a seasoned design specialist is their commitment to Design for Manufacturing (DFM) and Assembly (DFMA). They optimize parts for injection molding, sheet metal fabrication, machining, or additive manufacturing. By refining geometry early, they eliminate unnecessary production steps, reduce material waste, and prevent expensive tooling modifications late in the development cycle.
Key Deliverables of the Role
- Complete 3D CAD models optimized for production tooling
- Comprehensive technical documentation and bills of materials
- FEA simulation reports detailing structural integrity and optimization
- Functional physical prototypes and validation test protocols
- DFM review documentation highlighting cost-reduction adjustments
Frequently asked questions
What clients ask us most about Design Engineers — answered in short.
A freelance Design Engineer develops physical products by translating industrial design concepts into functional 3D CAD models and technical drawings. They select appropriate materials, perform structural simulations, and optimize designs for efficient manufacturing and assembly.
An industrial designer focuses primarily on user experience, aesthetics, ergonomics, and the visual identity of a product. In contrast, a design engineer is responsible for the technical feasibility, mechanical functionality, material selection, structural integrity, and manufacturability of the final product.
The choice of software depends on the industry. Most design engineers work with industry-standard platforms such as SolidWorks, Autodesk Inventor, CATIA, PTC Creo, or Siemens NX to build parametric models and generate detailed production drawings.
A top-tier mechanical design engineer is evaluated by their portfolio of successfully manufactured products and their understanding of production processes. Look for proficiency in geometric dimensioning and tolerancing, hands-on prototyping experience, and strong knowledge of manufacturing constraints.
Yes, a product design engineer can easily complete 3D modeling, simulation, and technical documentation remotely. However, physical prototyping phases or assembly testing may occasionally benefit from brief on-site visits to coordinate with labs or machine shops.
Freelance mechanical design specialists are highly sought after in consumer electronics, automotive manufacturing, aerospace, medical device development, and industrial machinery, where rapid prototyping and precise product iteration are essential.
Hiring a freelance CAD design engineer allows companies to scale their engineering capacity dynamically during peak product development cycles. It grants instant access to specialized industry expertise for a single product launch without long-term commitment.
To begin, a product designer requires a clear product design specification document, aesthetic concepts or sketches, dimensional constraints, target material preferences, estimated production volumes, and the chosen manufacturing processes.
The average hourly rate for Design Engineers is 84 €, which corresponds to a daily rate of about 672 € based on an 8-hour working day.
Of the freelancers working as Design Engineers, 81% hold at least a Bachelor's degree, 50% hold at least a Master's degree, and 5% hold a doctorate.
On average, freelancers working as Design Engineers have 22 years of professional experience, with a single engagement typically lasting around 6 years.
The most common languages among freelancers working as Design Engineers are German (91%), English (91%), and French (20%).
The most common industries among freelancers working as Design Engineers are Manufacturing (83%), Automotive (54%), and Energy (35%).
The most common business areas among freelancers working as Design Engineers are Product Development (98%), Quality Assurance (56%), and Project Management (54%).
FRATCH Design Engineers main locations
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
Would you rather directly get in touch?
We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
