As a professional Engineer I have worked on everything from large multi-million dollar projects to small custom projects and I bring a wide range of skills which include:
-Sheet metal design
-Gear design
-Structural
-Solidworks
-Autodesk Inventor
-Weldments
-GD&T
-Microsoft Office
-Castings
-Conveyors
-Prototyping
-DFM
-DFA
Machine Design
SolidWorks
Autodesk AutoCAD
3D Printing
Mechanical Design
Product Development
Geometric Dimensioning & Tolerancing
Engineering Design
Autodesk Inventor
Structural Drawing
Concept Design
Mechanical Engineering
3D Design
Alexander F.
Winston-Salem, North Carolina
$60/hr
4.4
26 jobs
I am the founder and chief mechanical engineer of Covalo Industries (covalomotion.com). I have over 10 years of work experience from mechanical design, to machining and carbon fiber part fabrication. My professional experience has been spent working within the aerospace (Raytheon Technologies) and automotive industries (JTEKT/Koyo Bearing).
I specialize in gear system design and machine system designing. I have the abilities to design and construct complex mechanical systems:
-Perform FEA analysis
-Shaft torsional and bending analysis to spec bearings
-Motion simulations
-Gear system design (multi stage gear sets, shaft design, housing design, flash temperature analysis and lubrication assessment).
-Fatigues analysis
-DWG creation (detail parts, mechanical installs and complex assemblies)
-Sheet metal design/DWG creation
-Vacuum forming design and DFM
-Injection molding part design
-Carbon fiber part design and mold design
-Technical Writing
I have other highly experienced design engineers who work with me as sub-contractors for large jobs of complexity, if your project requires it. I can support your project through every step of the process, beginning with design and prototyping to full production deliverables. I have both in-house 3D printing capabilities and CNC machining. I can also perform minor mechanical assemblies, and build functional prototypes. My top priority is offering great customer service, while delivering top quality.
Machine Design
Product Design
Technical Writing
Product Development
3D Modeling
CAD
Process Engineering
Mechanical Engineering
Lean Manufacturing
Carbon Fiber
Process Improvement
Alexander K.
Wilmington, North Carolina
$125/hr
5.0
74 jobs
Your product is complex. Your visuals shouldn't be.
I'm Alexander — a 3D visualization specialist with 20+ years turning difficult systems into visuals that explain, persuade, and connect. Visuals that help sales close, customers understand, and investors say yes.
AMI Professional Member (Association of Medical Illustrators).
Who I work with:
Biomedical & medical device companies
Pharmaceutical & life sciences
Engineering & industrial firms
Technology & SaaS companies
What I do:
Medical device & surgical animation
Mechanism of action (MOA)
Procedural & diagnostic visualization
Cinematic product & technical explainers
Investor and launch visuals
Pipeline:
Blender, Unreal Engine, Molecular Nodes, procedural workflows.
What you get:
Scientifically credible.
Visually cinematic.
Direct senior production from concept through final delivery.
Let's talk.
Blender
Unreal Engine
Medical Animation
Biomedical Visualization
3D Product Animation
Scientific Illustration
Medical Narration
Pharmaceuticals
3D Animation
Cinematic Video
3D Product Rendering
Animation
Twinmotion
Photorealistic Rendering
3D Modeling
Motion Graphics
Digital Painting
Daisy V.
Cary, North Carolina
$40/hr
4.7
293 jobs
About Me
I have 10+ years of experience in Project Management of Mobile App Development, specializing in Android, iOS, & Cross-Platform App Development using Java, Kotlin, Swift, Objective C, React Native Mobile, Redux Flutter, Firebase, Mongo Db, User Authentication, EHR, FHIR, HL7, HIPAA compliance, Typescripts, and AI-driven applications.
My expertise spans iOS & Android development, AI-powered solutions, seamless authentication systems, and full-stack capabilities, ensuring modern, high-performance apps for businesses of all sizes.
Our Agency
Since July 2017, my husband, our talented 55+ team members, and I have been delivering world-class digital solutions.
- 150+ apps successfully delivered across multiple platforms in the last year
- $4M+ turnover on Upwork
- 500+ successful projects, 15,000+ hours worked
- Close to a 100% success rate
- Worked with 7, 8, and 9-figure businesses
Our Expertise
Mobile App Development
• Android, iOS, & Cross-Platform Apps (Java, Kotlin, Swift, Objective C, React Native Mobile, Flutter)
Web & Full Stack Development
• Front-End: React.js, Angular.js, Next.js, WebRTC
• Back-End: Node.js, Firebase, MongoDB, PostgreSQL
• Cloud Deployment & API Integrations
E-commerce & CMS Development
• Shopify Developer & Customization
• WordPress Developer & WooCommerce Solutions
UI/UX Design & Branding
• Adobe XD, Figma, Photoshop, Sketch
Digital Growth & Security
• SEO & Digital Marketing Optimization
• Data Security & Intellectual Property Protection
Intellectual Property Services
• Trademark & Copyright Assistance
Why Choose SolidAppMaker?
- Tailored Approach: Every project is customized to fit your needs and budget.
- Agile Workflow: Regular updates, milestones, and transparent communication.
- High-Quality Development: Rigorous testing & performance optimization.
- Competitive Pricing: Top-tier services at fair and transparent pricing.
- Proven Track Record: Experience with MVPs, SaaS platforms, AI-driven apps, and enterprise solutions.
Why SolidAppMaker Stands Out
- 8+ years of expertise in UI/UX, mobile apps, SaaS & web development
- 510+ projects successfully completed for startups & enterprises
- 10+ awards & recognitions, featured on Upwork & top design platforms
- 20+ countries served, delivering top-tier prototyping & development solutions
Industries We Cover
Healthcare, Transport, Retail, Asset Management, Real Estate, Dating, Nature/Wildlife, Rental, Food Delivery, Fintech / Finance and Banking, Cryptocurrency, Entertainment, Hospitality, Logistics, Manufacturing, Media and Publishing, Non-Profit, Sports and Fitness, Travel and Tourism, Utilities, Wellness, Medical Dashboard, Marketplace, Advertising, Automotive, Business Innovations, Ecology, Human Resources, LegalTech, Lifestyle, Fashion, Marketing, Navigation, Education, E-learning.
Highlighted Skills
Project Planning, MVC Architecture and RESTful APIs, Front-end Technologies (React.js, HTML5, CSS3, JavaScript), Responsive and Mobile-first Design, Database Design and Implementation (MongoDB, Firebase), User Authentication, Integration of Third-party APIs, Deployment to Cloud Platforms (AWS), Test-driven Development, Agile Methodologies (Scrum, Kanban), Security Technologies, QR Code Scanner, GPS and Mapping, Blockchain and NFT, ChatGPT and Artificial Intelligence.
React Native Mobile Developer 10+ years of experience
As a Mobile App Developer and Full Stack Developer with deep expertise in SaaS Mobile App, React Native Mobile App I bring over a decade of experience in building high-performance cross-platform mobile application.
As a talented React Native Mobile Developer with good knowledge of cross-platform development, I specialize in crafting high-performance mobile apps for both iOS and Android platforms.
I made more than 400 apps using React Native Mobile.
Reactnative Mobile is my main tech stack, making top-performing apps using React Native Mobile.
IOSDeveloper AndroidDevelop
As a mobile app developer and full stack developer, I specialize in building robust cross-platform solutions using Flutter, React Native Mobile, and Expo for rapid development. My projects often leverage Firebase for secure real-time data storage and user authentication, and I have hands-on experience integrating WebRTC for live video and audio communication inside mobile apps. On the backend, I frequently use Laravel to build scalable APIs and admin panels that perfectly support mobileapp solutions. ReactNative
Next Steps – Let’s Build Something Amazing!
📅 Would you be available for a 30-60 minute free consultation?
During this meeting, we will:
- Go over your project goals, technical needs, and budget.
- Provide a project plan with a timeline and cost estimate.
- Discuss the best development approach to fit your vision.
- Send me a message, and I’ll share the Upwork scheduler link so we can set up a time that works best for you.
Looking forward to collaborating and creating something extraordinary!
Best regards,
Daisy VC
React Native
React
Flutter
iOS
Android
Mobile App Development
iOS Development
Android App Development
Swift
MongoDB
TypeScript
Firebase
Node.js
HTML
CSS
Native App Development
JavaScript
Git
Redux
Smartphone
Lopaze L.
Charlotte, North Carolina
$37/hr
4.7
46 jobs
My primary goal is to help my clients improve their website content so it works better for them by showing up higher in Google results, attracting more web traffic, and ultimately generating more sales.
Upon completion of working with my clients I have help doubled their customer base with the help of my SEO, website and proven marketing strategies. My philosophy is if my clients get what they want I get what I want.
Search Engine Optimization
Copywriting
Social Media Marketing
Video Publishing
Video Conversion
PHP
WordPress
HTML
Video Sales Letter
Copy Editing
Keith A.
Franklin, North Carolina
$60/hr
4.8
97 jobs
Expert Vetted · Top 1% on Upwork · 100% Job Success
If your roles are hard to fill, highly technical, or critical to your company's trajectory — that's exactly where I work best.
I'm a fractional Talent Acquisition partner with 30+ years of recruiting experience and a headhunting approach built for roles that job postings alone won't solve: Founding Engineers, AI Research Scientists, Robotics Engineers, ML Engineers, and the GTM leaders who scale them.
What Fractional TA Actually Means for You
I embed directly into your team — attending your standups, learning your culture, and acting as your internal recruiting department on a part-time basis. No agency markup. No contingency fees. No full-time overhead.
My clients typically save 30–50% compared to traditional agency fees while getting a recruiter who is genuinely invested in their hiring outcomes, not just filling a slot.
What I Handle End-to-End
* Intake & strategy — I sit down with your hiring manager, map the market, and build a targeted sourcing plan before a single outreach goes out.
* Sourcing & outreach — Using LinkedIn Recruiter, Juicebox, and AI-assisted tools, I identify and personally contact best-fit candidates with personalized sequences — not spray-and-pray blasts.
* Screening & assessment — I conduct structured screens, rank candidates on fit, and present only the top 5% to you — with my written assessment included.
* Candidate management — I coach finalists through your interview process and support offer negotiations to protect close rates.
* Pipeline hygiene — I audit and clean your ATS so no high-quality candidate falls through the cracks.
Roles I've Recruited For
Engineering & Technical Founding Engineer · AI Research Engineer · ML Engineer · Head of Machine Learning · Full-Stack / Front-End / Back-End Engineer · Embedded Software Engineer · Robotics Engineer · Mechanical Engineer · Engineering Manager
Product & Design Product Manager · Founding Product Designer · UX Researcher
Go-to-Market Account Executive · BDR / SDR · Talent Acquisition Manager
Finance & Operations Controller · FP&A Lead
My Tech Stack
LinkedIn Recruiter · Juicebox (AI sourcing) · Crunchbase · Ashby · ChatGPT · Claude · Gemini
Beyond Recruiting
I also support clients with outbound lead generation — identifying ICP prospects and crafting initial outreach sequences using the same sourcing tools and methodology I apply to talent. If you need pipeline on the revenue side alongside the hiring side, I can run both.
For individual candidates, I offer career coaching, reverse recruiting, and resume/cover letter writing.
Tech & IT
Finance & Accounting
HR & Business Services
IT Sourcing
Candidate Sourcing
IT Recruiting
Boolean Search
Recruiting
Candidate Evaluation
Staffing Needs
LinkedIn Recruiting
Sourcing
Resume Screening
Resume Writing
Career Coaching
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Collaborate easily
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Payment simplified
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Don't just take our word for it
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Kim Darling
Emerald Tiger
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David Merry
Kinetic Investments
“Our very specific requirements can be a challenge—With Upwork, we’re able to access a bigger community to ensure the success of our projects.”
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Katja Krohn
Summa Linguae
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