Graphic designers
Website designers
Mobile app developers
Software developers
3D artists
Illustration
Other popular skills
Working with international freelancers
Where to find the best developers
Do you need a local freelancer?
Building an international team
Featured jobs
Explore our current list of excited top featured projects.
Find contests
Unleash your talent and find freelancer contests to enter.
Website jobs
Graphic design jobs
Data entry jobs
Mobile app development jobs
Internet marketing jobs
Local jobs
Other popular jobs
Find work in different languages
Enterprise
Power your competitive advantage with Freelancer Enterprise.
Field Services
Deliver expertise anywhere in the world at scale - on demand.
AI for business
Let experts in the latest AI technology transform your business.
Freelancer products
Innovation Challenges
Turn challenges into breakthroughs with the largest innovation hub.
Freelancer API
Use the Freelancer API to access a cloud workforce of skilled freelancers.
Local jobs
Get help in any location, anywhere in the world.
Freelancer services
How it works
How to hire the perfect freelancer for your project
Get ideas
How to get started earning money freelancing
Resources
Millions of people use Freelancer to turn their ideas into reality.
Trusted by leading brands and startups
Post your project for free and connect with skilled freelancers ready to start today. Compare bids, ratings and portfolios, and only pay when you're happy with the work.
~220 sec
to first bid
53+
bids per project
4k+
freelancers online
No upfront cost · pay only when you're happy with the work
7.0
7.0
100%
Rajshahi, Bangladesh
$25 USD per hour
Welcome, Sir/Ma'am. My expertise lies in Computer Science and Mathematics, with a strong focus on analytical and technical problem-solving. I hold a B.Sc. (Engineering) and M.Sc. (Engineering) in Computer Science & Engineering and am currently pursuing a PhD, while serving as a faculty member at a reputed university. I have over 3 years of teaching experience and more than 5 years in research, with 37+ published articles and 50+ citations. Additionally, I am an active competitive programmer, having participated in national-level contests and solved 350+ problems. Currently, I work as a Computer Science subject matter expert, developer, programmer, algorithm analyst, and mathematician on Freelancer.com, successfully completing 320+ projects. I am confident that my background and experience will effectively meet your requirements. Here are some of my fields of expertise: [01] _____ Subject-Matter Expert (i) Mathematics (GCSE – Edexcel, Cambridge, and Australian Curriculum). (ii) Object Oriented Programming -C++, C#, Java, and Python. (iii) Structured Programming- C (iv) Data Structure & Algorithm. (v) Discrete Mathematics. (vi) Calculus: Differential, Integral Calculus, and Differential Equations. (vii) Theory of Computation or Automata: DFA, NFA, PDA, RE, non-RE, CFG, TM, Pumping Lemma, CNF, GNF, etc. (viii) Operating Systems & Design and Systems Programming. (ix) Computer Architecture & Design. (x) Basic Statistics and Probability. (xi) Digital logic design. (xii) Numerical and Complex Analysis. (xiii) Mathematical Tools: MATLAB, Mathematica, R, SPSS, etc. (xiv) Artificial Intelligence & Machine Learning. (xv) Digital Communication. (xvi) Basic Sciences: physics, chemistry, etc. (xvii) Web languages: HTML, CSS, JavaScript [02] _____ Content Creation & Tutoring. Any subjects or courses aligned with my expertise in Computer Science, Mathematics, or the basic sciences. [03] _____ Research & Publication. Experienced in supporting research and publication in basic and engineering sciences, with 37 published articles. [04] _____ Technical Problem Solving. Technical problem-solving and development, including app development (Android, iOS, and desktop) and full-stack web development. Thank you very much for your valuable time. Please keep safe & sound! ◉‿◉ Regards, Md. Musfiqur Rahman Mridha.
7.7
7.7
97%
Gujranwala, Pakistan
$30 USD per hour
Welcome to my comprehensive service! i am a professional with expertise spanning Electrical Engineering, Data Science, Computer Science, Statistics, Data Analysis, Mathematics, Business Analysis, and Case Studies and every type of legal law and dedicated to empowering students and professionals to excel in these multifaceted domains. Profile Summary: ? Electrical Expertise: have a profound understanding of electrical engineering principles, from circuit analysis to power systems, ensuring a solid foundation for your electrical studies and also of structural and autocad drawing engineering and caluculations. Data Science Proficiency: specialize in data science, machine learning, and data analysis, providing guidance from basic concepts to advanced techniques that are essential in today's data-driven world. Computer Science Mastery: computer science tutor cover a wide range of programming languages and concepts, including algorithms, software development, and system design, giving you a holistic understanding of the field. Statistics and Data Analysis: excel in statistics and data analysis, helping you make sense of data, conduct meaningful research, and draw insightful conclusions medical billing and alaysis. Mathematics Excellence: mathematics offer comprehensive support in various mathematical topics, from calculus to linear algebra, enhancing your mathematical reasoning and problem-solving abilities. Business Analysis: bring business analysis expertise to the table, helping you understand business processes, identify opportunities for improvement, and make informed decisions. ? Case Study Proficiency: well-versed in case study analysis, providing guidance on dissecting complex business scenarios, conducting in-depth research, and presenting effective solutions. Our Approach: Customized Learning: tailor sessions to your unique requirements, ensuring that you gain a deep understanding of the subjects and their practical applications. Practical Application: emphasize real-world applications in teaching, allowing you to bridge the gap between theory and practice effectively. Results-Oriented: Your success is primary goal, and are committed to helping you achieve your academic and professional aspirations. Lifelong Learning: believe in continuous learning and stay updated with the latest developments in fields to provide you with the most relevant and cutting-edge knowledge. Whether you are a student aiming to excel in coursework, a professional seeking to enhance your skill set, or an individual passionate about learning more about these diverse fields, dedicated guides on this educational journey. Unlock your full potential with expert tutor and elevate your knowledge and skills across Electrical Engineering, Data Science, Computer Science, Statistics, Data Analysis, Mathematics, Business Analysis, and Case Studies and every type of legal laws and help. Contact today to embark on a transformative learning experience with me!
9.2
9.2
99%
Daska, Pakistan
$50 USD per hour
Live Experts LLC is a multidisciplinary technology company specializing in Engineering, AI/ML, Embedded Systems, IoT, and Automation Solutions for startups, businesses, and enterprises worldwide. With over a decade of technical delivery experience and hundreds of successfully completed projects, we help clients transform complex ideas into scalable, production-ready solutions that solve real business and operational problems. Our strength comes from combining software, AI, automation, electronics, and engineering expertise under one team. This allows us to handle both digital systems and real-world hardware projects with practical implementation experience. Our expertise includes: • Artificial Intelligence (AI) & Machine Learning (ML) • Generative AI & Conversational AI • AI Chatbots & AI Agents • Computer Vision & OCR Systems • Predictive Analytics & Data Intelligence • Workflow Automation & AI Integration • Embedded Systems & IoT Solutions • Arduino, ESP32 & Raspberry Pi Development • PLC, SCADA & Industrial Automation • Electrical & Mechanical Engineering Support • Sensor Integration & Smart Monitoring Systems • AI-Powered Dashboards & Business Platforms • Cloud APIs & System Integrations • Automation & Control Systems We work with modern technologies including: Python, OpenAI, ChatGPT, TensorFlow, OpenCV, Node.js, React, FastAPI, PostgreSQL, AWS, Docker, MATLAB, Arduino, ESP32, Raspberry Pi, PLC systems, and industrial automation platforms. What makes us different is our ability to bridge the gap between: AI + Automation + Embedded Systems + Engineering Many companies can build software. Others can build electronics. Very few can combine AI, automation, hardware, and engineering into complete intelligent systems that work in real business environments. We have experience working across: • Industrial Automation • Healthcare • Logistics & Fleet Systems • Manufacturing • Finance & Trading Systems • Smart Monitoring Systems • Operational Dashboards • IoT & Connected Devices • AI Business Solutions • Intelligent Automation Platforms Our development approach focuses on: • practical implementation • scalable architecture • clean UI/UX • reliable integrations • business-focused solutions • long-term maintainability • clear communication • premium execution quality Whether you need: • an AI-powered platform • an embedded IoT device • industrial automation • computer vision systems • AI automation workflows • predictive analytics dashboards • AI chatbots • sensor-based monitoring systems • electrical/mechanical engineering support • or a complete intelligent system Live Experts can help design, develop, and deploy reliable solutions tailored to your business goals. We believe in building long-term partnerships and delivering systems that create measurable operational and business value.
7.2
7.2
99%
Cairo, Egypt
$20 USD per hour
I'm Mohamed Attia Experienced Mechanical Engineer (MEP Expert) (HVAC,Plumbing, Electrical Firefighting) Systems with all details drawings Calculations Specifications reports available software (Autocad , Revit (BIM), Autocad MEP, HAP, Elite.,..) (Design , Shopdrawing, As built drawing, Take off, Pricing, Submittals, Specifications, calculations and all project documents and reports) -- MY Skills 1- HVAC design and software (Preparation & review of design, construction/execution and shop drawings, Design reports, Project Specifications and any other necessary documents pertaining to the design and construction of HVAC (Heating Ventilating and Air Conditioning) System,Create layout for equipment, ducting and piping of Heating, Ventilating and Air Conditioning (HVAC) System including sizing of pipes and ducts) - I use all international codes such as ( Ashrae , NFPA, UPC, IPC, UPC ,ASPE, SMACNA other International design codes), Expert in US more than 20 States Cdes and regulations, also UK , Canada 2- Plumbing & Fire Fighting ( Designing, Shop Drawing, As Built drawing and Supervision services related to Plumbing, Firefighting systems ) 3- Duct and All HVAC , MEP Take off and Estimating 4- Cooling and Heating Load (HAP) report & Simulation 5- Electrical ( Designing, Shop Drawing, As Built drawing and Supervision services related to Electrical systems ) (Power, Lighting, Panel Schedule, Single line diagram, Low Voltage, Fire Alarm) 6- Manuals J, D, and S 7-Title 24 Report (Residential, Non Residentiall), Comcheck Report, Rescheck report 8- Resnet energy analysis report, Also Energy Analysis Using HAP 9- Right-Energy® Florida , R405 , 10- Calgreen checklist CA, 11- Convert PDF , JPG,Sketch to dwg or Rvt (AUTOCAD , REVIT) 12- Technical Reports (Cooling and Heating Loads reports , Ventilation Reports , External static pressure ,heat transfer , fluid mechanics , thermodynamics) 13- Simulation (CFD, FAE, Ventilation Using Ventsim Software , Hydraulic and Pneumatic Using FluidSim Software,Matlab Software) ---- My Software Skills 1- Autodesk AutoCAD 2- Autodesk AutoCAD MEP ,Archi 3- Autodesk Revit 4- Mechanical Ventilation Simulator (VentSim) 5- Matlab Software 6-Hap program 7- Ductsizer 8- Elite programs 9-Pump Selection Software ( Dp selector , and Grundfos , KSP online selection) 10- Pump Sizing and pump Calculator 11- Autofluid 12- pipesizer 13- Microsoft office Software 14- Bluebeam 15- Elite RHVAC 16- Elite CHVAC ★★★★★Expertise ★★★★★Quality of Work ★★★★★Professionalism ★★★★★Communication Skills Now, I am waiting your messages.
6.1
6.1
97%
malakand, Pakistan
$20 USD per hour
I am Dr. Khalid Khan (Ph.D. in Mathematics and Physics), specializing in *MATLAB programming*, *LaTeX document preparation (thesis/journal formatting)*, and *technical research writing*. I have completed 100+ projects involving scientific plots, numerical simulation, and academic typesetting. I am available here for you for the following works: ✨ Skills and Services provided. ✅ MATLAB Programming (Artificial Neural Networks, 2D/3D/Contour Plotting). ✅ Prediction of Stock Exchange data with Matlab. ✅ Regression analysis of Stock data. ✅ Python data analysis and stock data prediction. ✅ Data extraction and scraping from google. ✅ Computational fluid dynamics (CFD). ✅ Microgrid battery and electric vehicle modeling and analysis. ✅ PPT and Latex beamer. ✅ Lyapunov Function Coding. ✅ Numerical Methods in MATLAB. ✅ Mathematica & Maple Coding. ✅ Complex Mathematics Problem Solving. ✅ Real analysis, complex analysis, Topology problems. Mechanics problems. ✅ Calculus I and II, Linear algebra, eigenvalues, and eigenvectors problems. ✅ Fractional differential equations, System of ODEs matlab coding and plotting. ✅ Mathematical modeling of SIR models, Monkeypox model with Matlab and Mathematica coding. ✅ Fluid dynamics models (plasma and heat flow and analysis with MATLAB coding). ✅ Disease models analysis (such as tumor and immune system and interaction of species). ✅Research Paper Review & Publication. ✅ LaTeX Document Writing. ✅Excel & Microsoft PowerPoint. ✅Analytical and numerical methods. ✅ Fourier transform, Laplace, transform, J-transform, differential transform, natural transform, variation iteration method, homotopy perturbation method, reductive perturbation method, Runge kutta method, and many more. Looking forward to contributing my skills to your success.
4.8
4.8
94%
Bogor, Indonesia
$30 USD per hour
I'm the fit freelancer for your project, sure can solve the task, provide correct result, free revision guarantee. Statistical Analysis Skills Include: ☑️Exploratory Data Analysis ☑️Descriptive Statistics ☑️Data Visualization ☑️Linear Regression Models ☑️Generalized Linear Models (i.e., logistic, poison, ordinal. etc.) ☑️Moderation and Mediation Analysis ☑️t-test ☑️ANOVA Models (ANOVA/ANCOVA/MANOVA) ☑️Linear Discriminant Analysis ☑️Hierarchical/Multilevel Regression Models ☑️Factor Analysis (Exploratory and Confirmatory) ☑️Path Analysis and Structural Equation Modeling ☑️Non-Parametric Analysis ☑️Power Analysis, Robust Statistics ☑️Supervised Machine Learning (Linear Regression, Logistic Regression, Decision Trees,etc,) ☑️Unsupervised Machine Learning Algorithms (Kmeans, K nearest Neighbors, Apiori etc.) Statistical Programs/Software Skills: ☑️R/RStudio, RShiny,RMardown ☑️Python/Tensorflow-Keras/Pythorch,CV2, Django/Flask/JS ☑️Excel ☑️PowerBI ☑️SPSS
A Genetic Algebra Modelling System (GAMS) expert is a freelance optimization specialist who builds, calibrates, and solves large-scale mathematical programming models in GAMS for economic, energy, agricultural, and operations research applications. GAMS modellers translate complex decision problems into algebraic equations the solver can optimize, producing reproducible models that drive policy analysis, resource planning, and strategic decisions.
A freelance GAMS expert converts a real-world problem — a supply chain, an electricity dispatch, a computable general equilibrium economy, a farm planning model — into a fully specified algebraic system that GAMS can solve. The output is not just a working .gms file. It is a documented, auditable model that decision-makers can rerun with new data, new constraints, and new scenarios.
Commercially, this matters because optimization models replace guesswork with quantified trade-offs. A well-built GAMS model tells a utility which generators to dispatch, tells a ministry the welfare impact of a tax reform, and tells a logistics operator the least-cost shipment plan across hundreds of nodes.
Freelance GAMS modellers handle the full lifecycle of an optimization project, from problem formulation to solver tuning and result reporting. Typical engagements include:
GAMS specialists work across a focused stack of optimization tools. Beyond the GAMS IDE and GAMS Studio, experienced modellers use GDX utilities for data exchange, GAMSPy and the GAMS Python API for workflow automation, and connect GAMS models to R, MATLAB, and Python for pre- and post-processing. Solver fluency is essential: LP and MIP work usually runs on CPLEX or Gurobi, NLP on CONOPT or IPOPT, MINLP on BARON or DICOPT, and complementarity problems on PATH.
Methodologically, strong freelancers apply formal optimization theory — duality, KKT conditions, convexity analysis — and know when to reformulate a model for tractability. They also follow modelling discipline: declared sets, parameter separation from equations, and clean model–data separation that lets clients update inputs without touching the algebra.
GAMS modelling is concentrated in domains where quantitative policy or planning decisions carry high stakes:
GAMS work demands both mathematical rigour and software fluency, so candidate evaluation should test both. Look for a graduate-level background in operations research, economics, applied mathematics, energy systems, or agricultural economics. Strong portfolio markers include published or peer-reviewed models, contributions to known model families such as MARKAL/TIMES or GTAP-based CGE work, and clean, well-commented .gms files the freelancer can share or walk through.
Tool proficiency should extend beyond writing equations. A capable GAMS expert can diagnose infeasibility, interpret marginal values, choose appropriate solvers, and explain why a model fails to converge. Sample interview questions you can use directly:
Freelancer.com gives you direct access to a global pool of GAMS modellers, including operations research PhDs, energy systems analysts, and applied economists who have built CGE, dispatch, and supply chain models for governments, universities, and private clients. The platform's scale means specialised optimization skills that are hard to source locally are available within hours of posting a project.
Profiles on Freelancer.com surface verified payment methods, project completion rates, client reviews, and portfolio samples, so you can shortlist GAMS experts on evidence rather than claims. Clients set their own budgets and receive competitive bids, and Milestone Payments protect the engagement until deliverables meet the brief.
Hiring a GAMS modeller works best when you treat the engagement like an optimization project itself: define the decision problem, the data, and the deliverables before you go to market. The steps below walk you through posting a brief, evaluating bids, and awarding the project on Freelancer.com.
The brief is the single biggest determinant of bid quality. A precise project post filters for GAMS experts whose modelling background actually matches your problem class — a CGE modeller and an electricity dispatch modeller are not interchangeable. Head to the
Bids on a GAMS project are short proposals, not just price quotes. A strong proposal shows the freelancer has actually read the brief, understands the model class, and has a realistic plan for calibration, solving, and validation. Read carefully and shortlist candidates whose interpretation of the problem matches yours.
The final decision combines proposal quality with profile evidence. For GAMS work, look for consistency across multiple completed optimization projects, not a single impressive case study, since modelling discipline and reproducibility only show up over a track record. Weigh portfolio depth, written reviews, and verified credentials together.
Small LP or MIP formulations with clean data can be delivered in a few days, while CGE models, multi-region energy models, or stochastic programs usually take several weeks because of calibration and validation cycles. The biggest driver of timeline is data readiness, not model size — clean input data shortens the build dramatically.
Yes. Many GAMS experts on Freelancer.com regularly support PhD candidates, research assistants, and policy analysts with one-off models, replications of published papers, or extensions of existing model frameworks. Be clear in your brief about whether you need a full build, a debugging pass, or a peer-review-ready documentation package.
GAMS, AMPL, and Pyomo all express algebraic optimization models, but GAMS has a particularly strong footprint in energy, agricultural, and CGE modelling, and ships with a mature ecosystem of solvers and reference models. If your project must extend an existing GAMS codebase or integrate with established frameworks like GTAP or MARKAL/TIMES, hiring a GAMS specialist specifically is the right call.
For a defined modelling task — a new model, a scenario extension, calibration, or solver troubleshooting — a freelance GAMS expert is faster and more cost-effective than a consultancy. Multi-year policy programmes with stakeholder workshops and institutional reporting may justify an agency, but the modelling work itself is almost always done by a small number of specialist modellers.
Yes. Experienced GAMS freelancers routinely import data from Excel, CSV, SQL databases, and GDX files, and can build automated pipelines using the GAMS Python API or scripts that refresh inputs and rerun scenarios. Share a sample of your data structure in the brief so candidates can scope the integration accurately.
Freelancer Enterprise
Use our workforce of 89.1 million to help your business achieve more.
Freelancer API
Why hire people when you can simply integrate our talented cloud workforce instead?
Post a project today and get bids from talented freelancers
Get some inspiration from Genetic Algebra Modelling System projects
Game.
$50 USD in 9 days.
Package Design.
$110 USD in 4 days.
Music Video.
$300 USD in 12 days.
Interior Design.
$269 USD in 14 days.
Poster.
$100 USD in 3 days.
Flyer Design.
$15 USD in 1 day.
Concept Design.
$100 USD in 10 days.
Socials Post.
$50 USD in 6 days.
Millions of users, from small businesses to large enterprises, entrepreneurs to startups, use Freelancer to turn their ideas into reality.
89.1M
89.1M
Registered Users
25.7M
25.7M
Total Jobs Posted
Freelancer
About
Terms
Partners
Apps
