Kaleem Ur Rahman
Available for project

Kaleem Ur Rahman, PhD, Postdoc

Researcher·Materials Scientist

University Gold Medalist

I work with individuals, businesses, researchers, and organizations for consulting, mentoring, scientific expertise, research support, and professional problem-solving.

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Organizations I've Worked With Remotely

I've had the pleasure of working with a diverse range of companies, from startups to established brands.

Nestlé Good Food, Good Life
HALCYON Biosciences
pwc
Innovate Chemicals Chemistry That Performs

About

I took a PhD at Zhejiang University (ranked among top 50 globally) on spin-labelled novel polymers. Since then I have taught polymer chemistry, supervised graduate research, spent a postdoctoral year, and now work in industrial R&D. The through-line is the same: materials that have to perform, and people who have to be able to explain why.

  • Polymer Chemist
  • Researcher
  • Postdoctoral Fellow
  • Data Analyst
  • AI-Driven Materials Discovery
  • Scientific Editor
  • Quantitative/Qualitative Research Specialist
  • Materials Scientist
  • Technical Writer
  • Research Consultant

Testimonials

What clients say

Kaleem was highly professional, he understood the job well, promptly asked for any clarification, notified of issues and completed tasks quickly. I was extremely satisfied with his attention to detail - he double checked everything several times. His pricing was reasonable and he did not ask for more, even though there were a few additional tasks. He was very patient in his manner and overall just a pleasure to work with. I will not hesitate to hire him again or to recommend him to colleagues.

Shelley United Arab Emirates · 8 months ago

Kaleem Ur Rahman N. did perfect work in a professional manner.

Mohammed United States · 2 years ago

Kaleem is incredibly professional, responsive and efficient. Would definitely recommend him to anyone looking for support with editing, formatting etc.

Luca Switzerland · 2 years ago

Dr. Kimi was fantastic! Followed all my instructions was a day early and could not be happier with this experience!

David United States · 1 year ago

Kaleem is highly professional, reliable and timely. The quality of his work was exceptional. The flow of information, language, studies added, and formatting were all excellent. He was in touch with me throughout the process and kept me informed about the progress of the project. His transparency and politeness in conversation are added qualities which are commendable! Kaleem went above and beyond my expectation. He is highly recommended, and I will certainly hire him again. :)

Anitha Australia · 2 years ago

If you are looking for high quality, he is your guy.

Joe Australia · 2 years ago

It is a pleasure working with Kaleem. He provided exactly what I needed.

Jari Slovenia · 2 years ago

We had an urgent job to turn around and Kaleem delivered brilliantly - detailed review and revision, great layout and presentation skills.

John Australia · 2 years ago

Great would recommend

Former client 2 years ago

Very focused on the task, was able to deliver professional feedback on the document and offer insightful suggestions and examples. Would definitely recommend

Aisha Qatar · 6 months ago

sometimes I mistakenly forget to add a condition and he is flexible and understand :)

Saber United States · 7 months ago

Professional and time management is excellent.

Asi United States · 7 months ago

Project delivered as per expected on time.

Asi United States · 8 months ago

He was really very patient with all the questions and refinement. I would definitely recommend hiring him

Jane Malaysia · 9 months ago

Their professionalism and prompt delivery made the process smooth and efficient. I highly recommend their services and look forward to working with them again.

Zairy Malaysia · 1 year ago

I had a great experience working with Dr. Kimi on this project. His expertise in qualitative research and NVivo was evident from the start. He provided a thorough, well-structured analysis, and his insights added value to the project. Communication was smooth, and he responded to feedback, ensuring every detail was addressed. I truly appreciate his professionalism, deep understanding of qualitative data, and commitment to delivering high-quality work.

Khalifa United Arab Emirates · 2 years ago

on time , very professional , responsive

Saber United States · 2 years ago

Kaleem did his best, and the project was delivered as detailed and good as we talked about. I was really happy with the result, and I will continue to work with him on further projects.

Ela Turkey · 2 years ago

great work, great communication, submit the work on time with high quality

It Saudi Arabia · 2 years ago

Great work , you can count on him

Norah Nasser United Kingdom · 2 years ago

Very nice, thank you. Helpful and learned.

Navneet United Kingdom · 2 years ago

I highly recommend for any writing or publishing work. Their dedication, creativity, and professionalism make them exceptional.

Shamsa Qatar · 2 years ago

Mr Kaleem is really great to work with and is very knowledgeable. Excellent communication and delivered the project on time even when I asked to make a few changes. Will definitely work with him in the future!

Raiyan Australia · 2 years ago

Good experience Great content Punctuatal

Varun Australia · 2 years ago

great effort and professional work

Turki Saudi Arabia · 2 years ago

Thank you Kalerm for your amazing work

Mohammed United States · 2 years ago

A professional and dedicated person, and I will work with him again.

Former client 2 years ago

Thank you, professional work worth repeating with you.

Anas Saudi Arabia · 2 years ago

Dr. Kaleem is a very professional freelancer, he delivers the work on time and is always available in chat.

Malik Oman · 2 years ago

Excellent job , on time, professional writing

Alia Kuwait · 2 years ago

Kaleem was true to his skill set and offered excellent feedback throughout the process and delivered earlier than scheduled.

SEHazward1 United States · 2 years ago

Very diligent freelancer and worked in my tight timeframes. Thanks

Ashwani Australia · 2 years ago

Great work, thank you!

Shaima United Arab Emirates · 2 years ago

Kaleem was punctual, responsible, and highly professional. He consistently met all deadlines and demonstrated good communication skills throughout the project. His reliability and responsiveness made the collaboration smooth and efficient.

Burcu Spain · 2 years ago

Really helpful and very responsive! Thank you very much for the help

Raiyan Australia · 2 years ago

attention to detail. . understands topic. formatting, grammar very good

Keithtian Savena Canada · 2 years ago

Great and polite professional to deal with. Always calm and supportive.

Ashwani Australia · 2 years ago

Your performance has been nothing short of outstanding, and I want to take this opportunity to commend you for your hard work and dedication

Ahmed Saudi Arabia · 2 years ago

he is a good man. thanks for effort

Berat Ilgaz Turkey · 2 years ago

Professional and competent

Craig South Africa · 2 years ago

He is a great guy and very professional, I will definitely hire him again.

Cynderila United States · 2 years ago

Great work as always

Muqeeth Australia · 2 years ago

Excellent work delivered on time. Responsive to all communication. Displays exceptional professionalism.

Muqeeth Australia · 2 years ago

Dr Kaleem has been exceptionally excellent throughout the project. He provided professional and scientific valuable advises that greatly improve the quality of the original work.

Meshar Saudi Arabia · 2 years ago

Very honest and knowledgeable, fast delivery with great communication, neat work and very kind person!

Ogheneochuko United States · 2 years ago

Gift from heaven. A true gem. A genuine academic and intellectual. Unbelievably warm, responsive, and service-oriented despite intellectual status. Perhaps under-rated by the appropriate academic community.

Y Singapore · 2 years ago

Excellent effort with up to scratch satisfaction.

Abdelgadir United Kingdom · 3 years ago

Thanks Kaleem Ur Rahman for the great job

S Saudi Arabia · 3 years ago

Great work, timely, and very professional.

Amal Saudi Arabia · 3 years ago

Good suggestions and work.

Yuga Raju India · 3 years ago

Thanks for ur outstanding service

S Saudi Arabia · 3 years ago

Dr. Kaleem is professional and I was glad to have him helping me in designing the literature review map. Highly recommended and indeed will do business with him again.

Ahmed M. Saudi Arabia · 3 years ago

Great listener and quality work.

Ashwani Australia · 3 years ago

He is highly experienced with excellent communication skills .he completed the project to perfection.

Abdelgadir United Kingdom · 3 years ago

Dr. Kaleem Ur Rahman N. did a fantastic job and helped me complete a literature review for my final research project. He not only did the job on time but also helped me clear my doubts and finish the complete project.

Pushkar India · 3 years ago

He delivered quicker than the estimated timeline and came in more cost-efficient. He is professional, kind, and knowledgeable in all regards. I will be working with Dr. Kimi again

Ahmed Malaysia · 3 years ago

Great work! Delivered amazing work as usual. One of my favorite people to work with. I strongly recommend Dr.kimi

Ahmed Malaysia · 3 years ago

His work was done well. If there was a part I was unhappy with, he took my feedback and used it to improve it.

Former client 3 years ago

I wanted to express my sincere appreciation for your excellent work on my project. You delivered on time, within budget, and with exceptional quality. I highly recommend your services to anyone in need of a skilled freelancer.

Mohammad Malaysia · 3 years ago

Dr. Kaleem is a good research with advanced degree. He did a very good job!

Jeremy United States · 3 years ago

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Projects

Past Projects & Collaborations

National Resilience Index: Methodology & Stability Testing

Retained as academic consultant on a national resilience index programme, responsible for the methodological rigour behind it. Stress-tested the indicator set and underlying data definitions, ran stability and sensitivity testing across the scoring weights to confirm the index did not swing on noise, and reviewed the narrative that would have to survive a ministry briefing — so it would read as a measurement instrument, not a brochure.

PwC United Kingdom

Complete Book: Biochemical Processes in Metabolic Disorders

Commissioned to write a full-length book on the biochemical processes behind common metabolic disorders, and how the pressures of modern life — diet, stress, environmental exposure — drive them. Structured the science from mechanism to lived condition, with evidence a general reader could follow without flattening it, and carried a full manuscript to completion.

Chuck G. United States

Enzymatic Route Feasibility for Plant-Scale Process Conversion

Directed a technical review of enzymatic routes proposed for a plant-operations upgrade, assessing reaction kinetics, published yield data, and process-window claims against what the literature actually supports. Mapped the gap between bench-scale enzyme performance and plant-scale conditions — temperature stability, substrate concentration, downstream separation — and defined the trial data a factory team would need before committing capital to a pilot run.

Nestlé Switzerland

PA66 Glass-Fibre Component Warpage in Automotive Cooling Systems

Investigated dimensional warpage and cracking in 30% glass-fibre-reinforced PA66 components for a coolant-management assembly, injection moulded near 285°C melt / 80°C mould temperature. Reviewed DSC, TGA, moisture-content data, moulding parameters, fibre orientation, and part-to-part dimensional records. Identified non-uniform mould cooling and excess resin moisture as the major contributors, and recommended resin conditioning, revised drying controls, and cooling-cycle optimisation ahead of any tooling change.

Confidential Automotive OEM

TPU Degradation in Automotive Fuel-System Components

Investigated loss of flexibility and surface cracking in thermoplastic polyurethane components exposed to automotive fuel and elevated temperature. Samples were accelerated-aged near 80°C and benchmarked against unaged controls, using FTIR spectroscopy, tensile testing, hardness measurements, DSC, and mass-change analysis to separate chemical degradation from mechanical fatigue and identify the dominant failure mode.

Confidential Automotive Supplier

Sustainable Polymer Formulation Assessment

Evaluated several lower-impact raw-material options for replacing components in an existing polymer formulation. Compared technical performance, processing requirements, compatibility, expected durability, and practical manufacturing constraints rather than relying solely on sustainability claims.

E Sustainable Materials Company Sweden

Process Troubleshooting for High-Viscosity Formulation

Investigated unexpected increases in viscosity during production of a specialty chemical formulation. Examined mixing sequence, temperature profile, solids concentration, raw-material variation, and shear conditions, and developed a troubleshooting matrix for plant operators.

K Specialty Chemicals Manufacturer Malaysia

Technical Review for New Product Development

Provided an independent technical assessment of a proposed polymer-based product before further investment. Reviewed the formulation concept, available experimental data, manufacturing route, performance claims, and key technical risks, and prepared a prioritised development roadmap.

V Materials Startup Singapore

Manuscript & Reference-List Polishing for Journal Submission

Polished five consecutive research articles and their reference lists for submission, checking citation formatting and consistency and bringing each manuscript up to the target journals' requirements before submission.

Prof. Abdulgadir Usman, University of Khartoum Sudan

Industrial AI model for plant operations

Prepared a production-facing model for a process company: feature design against plant data, validation that a process engineer could defend, and documentation so the model could be owned internally rather than remaining a black box on a laptop.

Helios Process Systems Germany

Analytical review of a research paper

Independent analytical review of a chemistry manuscript: methods, data treatment, and whether the claims were earned. Written so the author could act on it — not a referee’s shrug, a working diagnosis.

Chemistry professor Canada

Industrial due-diligence chemistry pack

Built the technical spine of a buy-side pack on a process asset: what the plant chemistry implies for yield, waste, and capex, in language a deal team could take into a data room without a second translator.

Deloitte United States

Bioprocess scale-up dossier

Turned scattered lab notes into a scale-up dossier a manufacturing board could read: critical process parameters, failure modes, and the experiments still missing before a pilot line is committed.

Halcyon Biosciences United States

Heavy-duty industrial coating reformulation

Led the chemistry on a reformulation for aggressive industrial service — corrosion, UV, and chemical splash — including raw-material substitution and a QC spec the plant could actually run.

NordCoat International Sweden

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Publications

Peer-reviewed research, verified

Author / co-author of 30+ peer-reviewed publications. Full metrics and citation history are public — verify directly on:

Including closed-loop delivery systems in the Journal of Controlled Release; tough, responsive hydrogels for biomedical use in ACS Applied Materials & Interfaces; and further work in Polymer Chemistry, Journal of Materials Science, and Polymer International.

Attachments

    Up to 8 files, 15 MB each and 40 MB in total. Word, PDF, Excel, PowerPoint, text, images or a ZIP.

    FAQs

    Questions people ask before they write

    What kind of work do you take on?

    Consulting, mentoring, scientific expertise, research support, and professional problem-solving — for individuals, businesses, researchers, and organizations. Chemistry and materials science are where I go deepest, but if you are not sure it fits, describe the problem and I will tell you honestly.

    Will you sign an NDA?

    Yes — just ask, on the side panel or when we first speak, and I will send one over before we get into any detail.

    How quickly do you reply?

    I read every enquiry myself, usually within an hour. If it is urgent, say so in the subject line or message me directly on WhatsApp.

    Do you work with companies, or only individual researchers?

    Both. I have worked with organisations such as PwC, Deloitte and Nestlé alongside individual researchers, and I hold top-rated consultant status on Upwork, Freelancer, and Fiverr.

    What does a project cost?

    It depends on scope. Share a brief and a rough budget through the form above and I will tell you honestly whether it is a fit before anything is agreed.

    Can we work together on an ongoing basis, not just one project?

    Yes — I'm flexible, and we can discuss whatever kind of collaboration suits the work, whether that's a single project or an ongoing retainer. Tell me what you have in mind and we'll figure out the shape that fits.

    Do you provide mentoring to students?

    No. I do not take on students' coursework, theses, dissertations, or writing/editing support of that kind — my mentoring and consulting work is for businesses, researchers, and organizations.