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What is Clean Technology?

Clean Technology, or cleantech, refers to innovative solutions that promote environmental sustainability and reduce ecological impacts. It includes renewable energy like solar, wind, and hydro power; energy-efficient systems; sustainable materials; and waste reduction technologies. By adopting clean technology, businesses can lower their carbon footprint, improve energy efficiency, and contribute to a greener planet while often reducing operational costs.

Hire a Clean Technology Expert

Looking to enhance your project's sustainability? Freelancer is the best place to find a Clean Technology Expert. Whether you need a sustainability consultant, renewable energy engineer, or an expert in energy-efficient systems, Freelancer has professionals for every budget. Our platform connects you with top talent to help reduce environmental impact and drive innovation. Post a project today and take the first step toward a cleaner future.

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Hire Clean Technology Experts

Ali - SBLINI DEVELOPMENT

5.0

303

7.7

100%

Helsinki, Finland

$65 USD per hour

Hello! Thank you for taking the time to visit our profile and consider us for your project! I am a Professional and Verified Business Developer who, with a team of 8 other outstanding professionals, works with clients to create all kinds of Web, App and Graphic Design assets and deliverables. The aim of our services is to provide best UX/UI solutions, Mobile Responsive sites and programming experiences for users using latest technologies so that our client’s websites can gain maximum traffic and visibility while delivering a truly inspiring branding experience. We offer a large inventory of different services, including (but not limited to): ● Logo and Branding Design ● WordPress Themes/Plugins Customization and creation from scratch ● Mobile App Mockups (Android/IOS) & Wireframe ● Responsive Website Design/Bootstrap/HTML5/CSS3 ● Adobe Photoshop/Illustrator/XD and MAC Sketch App ● PHP MVC Laravel/CodeIgniter ● Linux & Windows Servers Management When we take on a project involving any of our services, we focus on providing 100% customer satisfaction. This incorporates consistent communication and updates, 24/7 availability, and an understanding that while we are the experts, you are the visionary, and the best possible product is one involving both of us. If you’re interested in our work, please take the time to check out our portfolio and ratings/reviews. We’re incredibly proud of the work we do, and we’d love for you to give it a look and see exactly why we’re the team for you. Thanks, and hope to hear from you soon!

Clean Technology PHP Mobile App Development SQL WordPress

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Joshua T.

4.9

892

9.1

99%

Palayamkottai Tirunelveli, India

$10 USD per hour

Allow me to introduce myself. My name is Joshua, a highly skilled and experienced professional with extensive expertise in computer technology. I consistently strive to deliver superior service that exceeds expectations. My Services: ✔ Finding Email Address of CEO/Director - Top Level key/ C Level executives. ✔ Manual Data Collection / Data Mining / Web Research. ✔ Web Scraping / VBA / Python. ✔ PDF to Excel / PDF to Word - can be done with 100% accuracy. ✔ Email Campaign - Mailchimp. ✔ Mobile Visibility WordPress Web Design. ✔ Quality Internet Marketing / SEO services / Back-link Building / Long-Tail Keywords ✔ E Commerce Product Addition / SEO Schema Markup ✔ Business card entry in Excel sheet ✔ Can do any urgent projects. ✔ Long term Maintenance works. ✔ Image Editing - Photoshop ✔ 24/7 Available.

Clean Technology PHP Website Design Internet Marketing Banner Design

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Andro A.

4.9

621

8.8

97%

Beni-suef, Egypt

$30 USD per hour

I am a design engineer. I finished 500+ projects with 98% rating (4.9/5) I hold a M.Sc. degree in Structural engineering. Area of Experiences: ✔ 3D Products Designs in STEP, STL, f3d and SLDPRT file formats using Solidworks, Creo and Fusion 360 & Providing Rendering as well. ✔ Structural analysis and designs of Timber, Steel, Aluminum and Reinforced concrete Structures using Analysis software like SAP2000, ETABS, ROBOT and STAAD Pro. ✔ Structural detailing and work shop drawings using ِAutoCAD and Tekla. ✔ 2D and 3D Architectural interior & Exterior designs, Modeling and Rendering using CAD, Sketchup, REVIT, 3Ds Max and Lumion. ✔ MEP Designs. ✔ Bill of Quantities and Cost estimation for different design drawings. ✔Furniture designs and Rendering using Sketchup and 3Ds max. ✔ Finite element analysis (FEA) and Computational fluid dynamics (CFD) using Ansys, Abaqus and Solidworks.

Clean Technology Engineering Excel CAD/CAM Powerpoint

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Brajesh C.

4.5

202

6.8

86%

Bangalore, India

$16 USD per hour

I love engineering tasks. I have been in product design , development and testing area since past 37years. Wind and solar area are my preferred areas. I can take care of mathematical modeling , Programming in MATLAB, SIMULINK and LABView and real time programming as well as simulation Skills in MATLAB, FORTRAN,Pascal, C,C++, LABView, I have put minimum limits for project budgets: $90 for hourly consultation (that is, for 2 hours), and $50 for fix cost quotes for 1 hours of occupancy. I can also take up Business plan development as my son with instrumentation engineering, and MBA finance has also joined me as freelancer.

Clean Technology Graphic Design Data Processing Data Entry Engineering

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Dream Computers

4.9

150

6.0

96%

Kolkata, India

$10 USD per hour

DREAM COMPUTERS is a leading Design and Development company in Kolkata, India. We cater to clients across the World. We have a strength of 140+ employees and we are successfully creating and building brands from scratch for more than 17 years. We are a great professional Graphic Design Company that helps to create a unique brand for our clients. We have completed more than 12000 projects. The company utilizes modern techniques to ensure that each client's designed project maintains a global presence, drives traffic, and generates revenue. With a strong team that has a background in design software and analytical minds to handle complex projects, we are positive that you will benefit from our services remarkably. At DREAM COMPUTERS, creativity and professionalism come together in intelligent design (Logo Design, Corporate Identity, Brochure Design, Flyers, Posters, Packaging, Website Design and development, Children's Book, Illustration, Digital Marketing, Animation, and Content Writing). We also do (Image Works, Jewelry Retouch, Product Retouch, Clipping Path, and Background Removal) Through Creating brands, websites, new media, and advertising, we combine skilled project management with imaginative thinking. This profile we are maintaining from 2006 and completed 96% jobs, 99% on budget, 97% on time and we also have 10% repeat clients. Please check our works by browsing the below links: https://dreamlogodesign.net/dev/portfolio/ https://dreamlogodesign.net/dev/portfolio/logo-design/ https://dreamlogodesign.net/dev/portfolio/print-design/ https://dreamlogodesign.net/dev/portfolio/illustration-design/ https://dreamlogodesign.net/dev/portfolio/web-design/ Check out some of our animation works: https://vimeo.com/showcase/9436019 A few Website links are as follows: https://dreamlogodesign.net/dev/sumbean/ https://dreamlogodesign.net/dev/shakeitups/ http://dreamlogodesign.net/dev/pawsmart/ http://dreamlogodesign.net/dev/protectplus/ http://dreamlogodesign.net/dev/binhero/ http://dreamlogodesign.net/dev/popsmarketing/ https://dreamlogodesign.net/dev/aldekafoods/ We provide great communication with our clients. Our professional graphic design team for businesses is dedicated to meeting the 100% satisfaction of the clients. We specialize in providing the best service to the industry. Our power is our money-back policy. If any Client after selecting us is dissatisfied with our service, we will refund the full amount. (*terms & conditions applied) We are available to respond 24*5. It’s time to present yourself or the products of your business professionally. Give us a nudge anytime! Sincerely, Dream Computers

Clean Technology PHP JavaScript Website Design Graphic Design

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Aditya Rao

5.0

139

8.5

99%

West Delhi, India

$65 USD per hour

Clean Technology Translation Engineering Electronics Research

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Modular solutions

5.0

118

8.1

97%

SIALKOT, Pakistan

$50 USD per hour

Modular Solutions delivers advanced Engineering, AI/ML, Embedded Systems, and IoT solutions for startups, enterprises, researchers, and industrial clients worldwide. We transform complex ideas into production-ready systems — from AI platforms and automation tools to embedded hardware, enterprise software, industrial controls, simulations, and engineering designs. Our expertise combines Artificial Intelligence, Machine Learning, Computer Vision, Deep Learning, Data Science, Analytics, and Automation with strong software engineering capabilities in Python, C/C++, Java, C#, .NET, PHP, JavaScript, SQL, MATLAB, Simulink, and Linux-based systems. On the hardware side, we specialize in Embedded Systems, IoT Devices, FPGA/Verilog/VHDL, PCB Design, Raspberry Pi, Arduino, ARM development, RF systems, electronics, firmware, industrial automation, sensor integration, DSP, and hardware/software interfacing. We also provide Mechanical, Electrical, Civil, and Structural Engineering services including AutoCAD, Civil 3D, SolidWorks, CAD/CAM, Product Design, 3D Modelling, Simulation, Renewable Energy systems, and technical feasibility analysis. Our experience includes: • AI-powered analytics and automation platforms • Facial Recognition and OpenCV systems • Enterprise SaaS and backend platforms • Industrial automation and control systems • FPGA and embedded hardware development • MATLAB/Simulink modeling and simulation • IoT evaluation and sensor systems • CAD drafting and engineering design • Unity 3D and simulation applications • Data analytics and statistical analysis • Research, technical writing, and documentation We also support clients with Project Management, Business Analysis, Finance, Accounting, Bookkeeping, QuickBooks reconciliation, Reporting, Scientific Research, Research Writing, Technical Writing, and enterprise consulting. Our technical stack and domains include: AI & Machine Learning | Deep Learning | Neural Networks | Computer Vision | OpenCV | Data Science | Big Data | Statistical Analysis | SPSS | R Programming | Python | MATLAB | Simulink | Algorithm Development | Data Mining | Text Mining | C Programming | C++ | Java | C# | PHP | JavaScript | SQL | .NET | Software Architecture | Linux | Web Development | Electronics | Electrical Engineering | FPGA | Verilog/VHDL | Embedded Systems | IoT | Arduino | Raspberry Pi | ARM | PCB Design | RF Communications | DSP | CAD/CAM | AutoCAD | SolidWorks | Mechanical Engineering | Civil Engineering | Structural Engineering | Product Design | 3D Modelling | Unity 3D | Technical Writing | Research Writing | Project Management | Finance | QuickBooks | Business Analysis Clients choose Modular Solutions for strong communication, fast execution, technical depth, and the ability to solve complex engineering and software challenges under tight deadlines. We focus on delivering reliable, scalable, and production-ready solutions tailored to each client’s goals.

Clean Technology PHP C Programming Java JavaScript

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Riham K.

4.9

105

7.3

92%

Leicester, United Kingdom

$80 USD per hour

Professor of Autonomous and Engineering Systems. UK STEM Ambassador, King Trust Educational Mentor, King Trust Business E--mentor. UN member. With over 20 years of experience specializing in engineering systems, autonomous technology, and lean manufacturing. My career bridges cutting-edge research with practical applications, contributing to advancements across sectors like aerospace, healthcare, and manufacturing. Author of books "Artificial Intelligence in the Real World: How AI Is Already Transforming Industries, Decisions, and Everyday Life" and "Artificial Intelligence Made Simple: How Autonomous Systems Really Work (Even If You're Not Technical)". I bring a proven track record of success, having supervised 65 PhD candidates, over 790 MSc dissertations, and directed more than 800 capstone projects. My ability to secure over £2.5M in research funding underscores my expertise in leading high-impact initiatives. I excel in developing interdisciplinary research programs, mentoring diverse teams, and translating complex technical concepts into actionable insights. Skills and Expertise Pitch Development Expertise in crafting compelling investor pitches to secure funding and build strategic partnerships. Ability to articulate complex ideas and translate them into persuasive narratives tailored to diverse stakeholders. Business Planning that align innovation with market needs and organizational goals. Skilled in conducting market analysis, identifying growth opportunities, and defining actionable strategies. Presentation and Communication Advanced skills in creating engaging and impactful PowerPoint presentations for investors, clients, and teams. Strong communicator adept at distilling technical concepts into clear, concise, and actionable insights. Marketing Strategy Expertise in developing marketing plans to enhance brand visibility and engage target audiences effectively. Proficient in content marketing, social media strategy, and leveraging data analytics to optimize campaigns. Creative and Branding Design Skilled in conceptualizing and designing professional logos and branding materials that reflect innovation and sustainability. Experience with visual storytelling to enhance brand identity and appeal. Leadership and Collaboration Proven ability to lead interdisciplinary teams and foster collaboration across academic and industry stakeholders. Research and Innovation Adept at bridging academic research with practical applications in fields like aerospace, healthcare, and manufacturing. Expertise in integrating sustainable practices into automated operational workflows. Strategic Insight and Problem Solving Exceptional ability to analyze complex challenges and develop tailored, data-driven solutions. Experienced in aligning research and technology initiatives with organizational goals to maximize impact.

Clean Technology Python Visual Basic Graphic Design Copywriting

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Meenakshi Kalra

4.9

103

7.9

97%

New Delhi, India

$45 USD per hour

I run Afterconcept Engineering, a product development company based in Delhi, India. We're a team of 6 engineers and designers who take physical products from first concept through to production-ready documentation. Since 2019 we've delivered 95+ projects for clients in 10+ countries, including work for NASA and brands like Ethique. Our work spans consumer electronics, medical devices, automotive components, industrial equipment, and IoT products. Most of what we do falls into one of these categories: mechanical design and engineering in SolidWorks, Fusion 360, CATIA, and Inventor; sheet metal and injection moulding with DFM/DFA built in from the start; electromechanical and IoT system integration; prototyping, functional testing, and manufacturer liaison; production drawings, exploded views, patent illustrations, and product renders; and 3D animation for assembly sequences and marketing. We work during US, EU, and Australian business hours and respond within 2-4 hours. Every project includes 30 days of post-delivery support. Recent work includes precision mechanical assemblies, manufacturing-ready consumer products, custom figurine tooling, pneumatic systems, sheet metal fabrication packages, and wearable electronics integration. Send a message or click Get a Quote and we'll scope your project within the day.

Clean Technology Website Design Engineering Research Industrial Design

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Clients rate our Clean Technology Experts

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How to hire a great freelance Clean Technology Expert

A Clean Technology Expert is a specialist who designs, evaluates, and implements sustainable technologies that reduce environmental impact across energy, water, transportation, manufacturing, and waste systems. Hiring a clean technology expert gives your business access to engineering, regulatory, and commercial knowledge needed to develop low-carbon products, decarbonize operations, and qualify for green funding or sustainability certifications.

What a clean technology expert delivers

Clean technology, often shortened to cleantech, sits at the intersection of engineering, environmental science, and commercial strategy. A freelance cleantech specialist translates climate and sustainability goals into working systems, financial models, and regulatory submissions. The work is technical and outcome-driven, with deliverables tied to measurable reductions in emissions, energy use, water consumption, or waste.

Typical engagements range from feasibility studies for solar microgrids to lifecycle assessments for consumer products, carbon accounting for supply chains, and grant applications for clean energy ventures. The commercial value is direct: stronger ESG reporting, lower operating costs, access to green financing, and faster regulatory approval for sustainable products.

Core services and deliverables

Clean technology experts handle a wide spread of technical and advisory tasks. Common deliverables include:

Feasibility studies for solar PV, wind, geothermal, hydrogen, and battery storage projects

Energy audits and ISO 50001 energy management system documentation

Lifecycle assessments (LCA) and carbon footprint reports aligned with ISO 14040 and ISO 14067

Greenhouse gas inventories under the GHG Protocol, including Scope 1, 2, and 3 emissions

Techno-economic analysis, LCOE modeling, and financial projections for cleantech ventures

Grant writing for programs such as DOE, ARPA-E, Horizon Europe, and Innovate UK

ESG reporting aligned with GRI, SASB, TCFD, and CSRD frameworks

Circular economy strategy, waste audits, and zero-waste-to-landfill roadmaps

Water reuse, desalination, and effluent treatment system design

EV charging infrastructure planning and smart grid integration studies

Sustainability certification support, including LEED, BREEAM, and B Corp

Pitch decks, white papers, and technical due diligence reports for cleantech investors

Tools and methodologies cleantech specialists use

Strong clean technology experts work fluently across simulation, modeling, and reporting platforms. Expect familiarity with tools such as HOMER Pro and PVsyst for renewable energy modeling, RETScreen for project feasibility, SimaPro and openLCA for lifecycle assessments, and EnergyPlus or IES VE for building energy simulation. For carbon and ESG work, specialists use the GHG Protocol toolkit, Sphera, Watershed, or Persefoni. Engineering tasks often involve MATLAB, Python, AutoCAD, and Aspen Plus for process modeling.

Methodologies include techno-economic analysis, levelized cost of energy (LCOE) calculations, marginal abatement cost curves, scenario analysis under IPCC pathways, and ISO-aligned environmental management systems.

Industries and use cases

Clean technology cuts across nearly every sector. Freelance cleantech experts on Freelancer.com routinely support:

Renewable energy developers building solar, wind, and storage portfolios

Manufacturing firms decarbonizing operations and meeting CSRD or SEC climate disclosure rules

Real estate and construction companies pursuing net-zero buildings

Agriculture and food businesses reducing water use, methane, and supply chain emissions

Transportation and logistics firms electrifying fleets and optimizing routes

Consumer goods brands running LCAs and switching to recycled or biobased materials

Cleantech startups preparing for seed, Series A, or government grant rounds

Investors and family offices conducting technical due diligence on green deals

How to evaluate clean technology candidates

Cleantech is a broad field, so match the candidate's background to your specific problem. Look for relevant qualifications such as degrees in environmental engineering, chemical engineering, energy systems, or sustainability science, and credentials including PE, CEM, LEED AP, ISSP-CSP, or GRI Certified. Portfolio markers worth weighing include published LCAs, completed energy audits, awarded grants, peer-reviewed papers, and projects deployed at commercial scale.

Useful interview questions include:

Can you walk me through a recent project where you reduced emissions or energy use, and how you measured the result?

Which lifecycle assessment software do you use, and how do you handle data gaps in Scope 3 calculations?

How would you approach a feasibility study for a hybrid solar and battery system at our facility?

What regulatory frameworks or disclosure standards are most relevant to my industry, and how do you keep current with them?

Have you written successful grant applications, and which programs are best matched to a project like ours?

Why hire clean technology experts on Freelancer.com

Freelancer.com gives you access to a global pool of cleantech engineers, sustainability consultants, LCA practitioners, and renewable energy modelers across every time zone. You can post a project on Freelancer.com and receive competitive bids within hours, compare detailed proposals, and review verified profiles, ratings, and portfolios before committing. Clients set their own budgets and Milestone Payments protect funds until deliverables are approved, which is particularly useful for technical reports, modeling work, and grant submissions where quality verification matters. Whether you need a one-off carbon footprint or a long-term sustainability advisor, freelancers on Freelancer.com bring the specialized expertise required without the overhead of a full consultancy engagement.

Ready to decarbonize operations, model a renewable project, or produce investor-grade sustainability documentation? Post a project on Freelancer.com today and connect with skilled clean technology experts ready to deliver.

What are the steps to hiring a freelance clean technology expert?

Hiring a cleantech specialist works best when your brief reflects the technical nature of the work. Because deliverables often depend on data, regulatory context, and engineering assumptions, a clear scope leads to sharper bids and better outcomes. The following three steps walk you through posting, reviewing, and awarding the project.

Step 1: Post your project on Freelancer.com

Your project post is the single biggest determinant of bid quality. A precise brief filters for cleantech freelancers whose engineering, modeling, or reporting skills genuinely match your needs. Head to the post project page , where you fill in the brief, scope, timeline, and budget before publishing the project for freelancers to bid on.

Define the deliverable clearly: LCA report, energy audit, GHG inventory, feasibility study, grant application, or technical due diligence memo

Specify required frameworks or standards, such as GHG Protocol, ISO 14040, GRI, TCFD, or CSRD

Name the tools or formats you expect, for example HOMER Pro models, SimaPro reports, or Excel-based techno-economic models

Share industry context, facility data, geographic location, and any regulatory drivers

Set a realistic timeline and indicate whether ongoing advisory work may follow

Step 2: Review bids from freelancers

Bids are short proposals, not just price quotes. They reveal how each freelancer interprets your brief, what methodology they propose, and what timeline they consider realistic. A strong cleantech proposal references specific standards, tools, and prior work that resemble your project.

Look for clarity on methodology, including which LCA boundaries, GHG scopes, or modeling assumptions they will use

Check whether the freelancer raises relevant clarifying questions about data availability or regulatory scope

Assess timeline realism against the complexity of the deliverable

Review attached samples such as redacted LCAs, audit reports, or published technical papers

Use Freelancer.com chat to ask about software proficiency, certifications, and prior projects in your industry

Step 3: Evaluate freelancers and award the project

The final decision combines proposal quality with profile evidence. For cleantech work, weight consistency of technical output across multiple projects rather than a single standout case. Verifiable credentials and detailed written reviews carry significant weight in this field.

Review portfolio depth across renewable energy, LCA, ESG, or audit work relevant to your project

Check star ratings alongside the volume of completed projects to gauge consistency

Read written client reviews for evidence of accuracy, communication, and on-time delivery

Confirm verified payment method, completion rate, and any listed certifications such as CEM, LEED AP, or PE

Award the project and use Freelancer.com Milestone Payments to release funds only as agreed deliverables are approved

What is the difference between a clean technology expert and a sustainability consultant?

A clean technology expert focuses on the engineering and technical implementation of low-carbon systems, such as renewable energy, storage, or process electrification. A sustainability consultant typically covers broader strategy, ESG reporting, and stakeholder engagement. Many freelancers combine both skill sets, so define your scope before hiring.

How long does a typical cleantech project take?

Short engagements such as a carbon footprint, energy audit, or grant application usually run two to six weeks. Feasibility studies, LCAs, and techno-economic models often take one to three months. Multi-phase work like designing a microgrid or rolling out an ISO 14001 management system can extend across six months or longer.

Can I hire a cleantech freelancer for a one-off project?

Yes. Many buyers post a single deliverable, such as a Scope 3 emissions inventory, an LCA for a product line, or a pitch deck for a green hydrogen startup. Freelancer.com is well suited to discrete, scoped engagements with clear outputs.

Do I need a clean technology expert or a renewable energy engineer?

If your project is specifically about generating or storing power, a renewable energy engineer is the closer match. If your work spans emissions accounting, circular economy, water, materials, or cross-sector decarbonization, a broader clean technology expert is the better fit.

What information should I prepare before hiring?

Gather utility bills, process diagrams, materials lists, supplier data, or any prior sustainability reports. The more baseline data you provide, the faster a freelancer can produce accurate models and recommendations rather than spending billable time chasing inputs.