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$15/hr
$1K+ earned
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I'm a Ph.D. (Math.) graduate, academic researcher, and expert with over fourteen years of teaching experience, programming skills in Wolfram Mathematica and Matlab, and writing skills in LaTeX.
I have extensive experience in the following:
- Teaching (university level) various disciplines of Mathematics and Physics;
- Performing calculations and scientific research in various fields of Mathematics;
- LaTeX;
- CAS: Wolfram Mathematica, MATLAB;
- Proofreading for Maths Curriculum, Books, Notes, Assignments, Exams
I always put my whole effort into every job I have, doing it as if it were my own. I expect respect, punctuality, correct treatment of the "freelancer" concept, and clear instructions before the contract starts. If you are interested, I would be happy to assist you with your current project.
$25/hr
$600+ earned
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I’m Ahmed Elsheshtawy, an Applied Mathematician and Theoretical Physicist with over 9 years of teaching and research experience, specializing in solving advanced problems in physics and mathematics using tools such as Python, Wolfram Mathematica, and LaTeX. Whether you're a student needing academic support, a researcher seeking precise modeling, or a startup tackling complex algorithms, I can help you achieve results with clarity and professionalism.
✅ Areas of expertise:
Calculus, Linear Algebra, Differential Equations (ODE/PDE), Discrete Math
Classical & Quantum Mechanics, Electrodynamics, Relativity, QFT
Dark Matter Models & Standard Model Extensions
Computational Modeling, Symbolic Math, and Technical Writing
🛠 Tools & Languages:
Python, LaTeX, Mathematica, MATLAB, micrOMEGAs, Linux, Git
🧠 Academic Excellence:
M.Sc. in Applied Mathematics, Ain Shams University (with honors)
Teaching Assistant at Zewail City, AAST, and Ain Shams University
Published in top journals like "JCAP" and "Phys. Dark Universe"
I’m passionate about delivering high-quality, on-time work with clear communication. Let’s collaborate on your next math, physics, or computational challenge!
United Kingdom
$100/hr
100%
Job Success
$90K+ earned
Available now
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I'm a mechanical engineer who moved into AI systems. These days most of my work is agent pipelines, LLM workflows with LangChain and MCP, RAG and structured extraction over real-world documents, and building evals for output that can't be unit-tested. Model selection and keeping inference costs sane are part of the day job too.
Before that I spent 14 years in automotive, aerospace and advanced manufacturing. At Additive Flow (later acquired by Nano Dimension) I led the team that built a simulation and digital twin platform used by Airbus and Zeiss. We replaced physical qualification loops with surrogate models and agentic pipelines that ran R&D workflows with minimal human input. Qualification costs came down about 40%, and the platform delivered over £10M in R&D value.
I'm also building an agent platform for M&A due diligence and deal analysis, where the hard problems are evaluation and evidence: every answer has to trace back to a source, costs are metered per call, and no change touching the model layer goes live without a human approving it. Running it daily teaches you what falls over after the demo: flaky tool calls, retrieval that gets worse as documents pile up, costs that creep.
On client projects I take the whole thing: architecture, implementation, evals, deployment, monitoring. Most recently I built an AI operating system for a UK manufacturing R&D company — agents handling their research workflows, retrieval over their technical documents, all running on AWS. Their data science team uses it daily. Throughput went up around 70% and manual work dropped by about 40%.
If you want a second opinion on what you're building, or someone to take a piece of it and deliver it, get in touch.
$40/hr
$0 earned
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I am an Associate Professor of Mathematics with 20 years of academic experience in research, university teaching, graduate supervision, and scholarly publishing.
My main areas of expertise include differential equations, spectral theory, real and complex analysis, functional analysis, operator theory, integral transforms, and mathematical modeling. I am also highly experienced in Wolfram Mathematica and LaTeX.
I can assist with:
• Advanced mathematical problem solving
• Proof verification and logical error detection
• Mathematical content review and quality assurance
• AI-generated mathematics response evaluation
• Wolfram Mathematica calculations and code
• Research-level mathematical analysis
• Creation of original problems, solutions, and assessment materials
• Technical and academic mathematical writing
I provide rigorous, clearly documented, and logically structured work. I work primarily in an asynchronous format and communicate effectively through written English.
My goal is not only to obtain the correct result, but also to ensure that every mathematical argument is precise, verifiable, and professionally presented.
$35/hr
100%
Job Success
$7K+ earned
Offers consultations
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I’m a professional video editor, motion graphics artist, and photographer with more than 5 years of experience working with Premiere Pro and After Effects for video editing and motion graphics, and Photoshop, Lightroom, Illustrator, and GIMP for image and illustration preparation. I focus on delivering high-quality results with a fast turnaround time, depending on the project scope.
My services include video editing, motion graphics, photo editing, image processing, logo animation, and visual content preparation.
In addition to my creative work, I hold a Ph.D. in Physics, specializing in microelectronics and solid-state electronics, with international experience working at interdisciplinary research institutes. I have experience with scientific and analytical software such as Wolfram Mathematica, MATLAB, and OriginLab, as well as programming languages including C++ and Python. I also have extensive experience writing and editing scientific papers.
I’m fluent in English, Portuguese, and Russian, and I can also help with translation, editing, and proofreading, especially for technical and scientific texts.
Thanks!
United States
$70/hr
100%
Job Success
$1K+ earned
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Languages: C#/.NET, T-SQL, VB. Net, Wolfram, JS
Technologies: MVC, Entity Framework, Linq, WPF, Blazor, CSS, HTML, jQuery,
Bootstrap, XML, JSON
Tools: Jira, Maven, Ant
Source Control: Git
Methodology: Extreme Programming, Agile, Scrum, SDLC
Databases: MS SQL Server, MySQL, Oracle
IDE:MS Visual Studio, Wolfram Mathematica
Armenia
$30/hr
$0 earned
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I run numerical simulations and engineering calculations across mechanics, thermophysics, acoustics, optics, and electrodynamics – turning physical problems into validated models you can trust.
What I calculate:
Coupled multiphysics simulations (heat transfer, fluid flow, structural, acoustic, optical) in COMSOL
Sensor and instrument performance modeling – signal response, selectivity, sensitivity analysis
Fiber-optic sensor systems: distributed temperature sensing (DTS), pressure/temperature sensors – model-to-hardware validation
Gas analyzer selectivity calculations across multiple target gases and interfering compounds
Custom numerical algorithms in MATLAB/Mathematica/Python for non-standard problems
I don't just build the model – I verify it against real experimental data. PhD candidate in Instrumentation & Measurement (ITMO University), with 5+ years running both the calculations and the lab experiments behind them.
Tools: COMSOL Multiphysics, MATLAB, Wolfram Mathematica, Python, Fusion 360, LaTeX
Send me your problem statement and I'll tell you honestly whether I can help and what the calculation will take.
$12/hr
100%
Job Success
$3K+ earned
Offers consultations
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I'm a bilingual (Spanish/English) tech-savvy virtual assistant with hands-on experience building AI-powered tools, automating workflows, and supporting fast-moving teams remotely.
I've deployed bots integrated with WhatsApp via AWS EC2, developed automation and tech solutions for international clients across the U.S., Australia, and Europe, and provided ongoing remote support for them
I don't just complete tasks; I find smarter ways to get them done.
What I can help you with:
- AI tool integration & chatbot setup (WhatsApp, Teams, APIs)
- Workflow automation to eliminate repetitive tasks
- Web presence setup and design (Wix, Hostinger)
- Bilingual communication & client-facing support (EN/ES)
- Administrative support, document formatting & file management
- Lead generation & B2B outreach strategy
Tools I work with:
AWS EC2, WhatsApp Business API, Microsoft Teams, Python, Java, Wix, Hostinger, Google Workspace (Docs, Drive, Sheets, Calendar), Canva, PowerPoint, Excel, HubSpot, Zoom, Wolfram Mathematica, OpenClaw
Why work with me:
I'm available for fixed-price projects and flexible part-time engagements. I deliver fast, communicate clearly, and always go beyond what's asked
A little about me:
I'm a Software and Industrial Engineering student who started freelancing to put skills into practice not just study them. Every project I take is an opportunity to build something real.
Let's jump on a quick call and figure out exactly how I can help your business move faster.
$30/hr
86%
Job Success
$10K+ earned
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I specialize in financial modeling, valuation, and equity research, helping clients assess business value, investment potential, and financial performance through structured, data-driven analysis. My core work includes building DCF models, comparable company valuations, and detailed financial statement analysis to support investment and corporate finance decisions.
Alongside valuation work, I apply quantitative methods in Python and Excel to enhance forecasting accuracy, scenario modeling, and risk analysis, particularly in equity research and financial decision-making contexts.
$28/hr
$1K+ earned
Available now
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Hi! I’m Mahnoor, Director at EDITORE AI, an AI and software technology company focused on building modern SaaS products, AI-powered applications, and digital solutions for businesses worldwide.
I specialize in turning ideas into professional, functional, and visually impressive digital products — from SaaS platforms and AI applications to premium 3D websites, interactive dashboards, frontend templates, and custom web solutions.
I also work at the intersection of AI and academic research, helping researchers and organizations develop research-focused software, AI workflows, academic tools, and intelligent productivity solutions.
🔹 **Core Expertise:**
✔ AI-Powered SaaS & Web Applications
✔ SaaS Frontend Development & Templates
✔ Premium 3D & Interactive Websites
✔ Modern UI/UX & Dashboard Design
✔ AI Integration & Automation
✔ Full-Stack Web Development
✔ Custom Software & Digital Products
✔ Academic Research & AI Research Solutions
✔ Data Analytics & Machine Learning
💡 Whether you need a premium 3D website, a SaaS frontend, an AI-powered application, a custom dashboard, a complete software product, or an AI-based research solution, I focus on creating solutions that are modern, scalable, user-friendly, and commercially valuable.
🚀 **Have an idea? ** Let’s turn it into a real product.**