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Mudassar H.

5.0

6.1

97%

Tandlianwala Faisalabad, Pakistan

$15 USD per hour

Chemical Engineer with MS in Process Engineering. I have 10+ years experience in Design and Engineering of Chemical Process Facilities, FEED, Process Optimization, Feasibility Studies, Technology Retrofitting & Revamping and Technical Support. I work on following. Chemical Engineering Final Year Design Project Process Simulation on Aspen Hysys, UniSim, SysCAD Heat Exchanger Design Using Aspen EDR Software Process Hydraulics Calculations / Piping Steady Sate Simulation Pipeline Sizing& Optimization (AFT Fathom & Pipe Flow Expert Software) Pump Sizing Plant Design & Economic Evaluation Material & Energy Balance P&ID and PFD Plant Safety Studies (HAZOP) Water Treatment System Design Heat Transfer and Fluid Mechanics Subject Specialist Filter Selection and Filtration System Design Hydroponics & Aeroponics Fertigation Irrigation System Design Thesis Review & Proof Reading Training & Consultation in Chemical Engineering Expertise in Software like, Aspen Hysys, Aspen Plus, Aspen EDR, AFT Fathom, AFT Arrow, Pipe Flow Expert, MS Visio Professional

Process Engineering Project Management Engineering Education & Tutoring Mechanical Engineering

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Zohaab I.

4.8

946

9.0

94%

Karachi, Pakistan

$30 USD per hour

Being artistic with words is my solution to everything, it’s my gushing purpose to earn a living. To observe, to jot down, to form, to be astounded at nothing, to treasure the eccentricities, to let nothing go down the drain, to make something, to make a great flower out of life, even if it’s a cactus. Words have enchanted, educated, and inspired me since I was a child, which is why I love working with clients to help their words have the greatest possible impact on their audience. I am an expert at connecting brands with consumers. If you really want to hire a fantastic candidate, expand brand awareness, and breathe life into your project, then I’m your guy!! My experience as an educator allowed me to hone my problem-solving skills for myriad young people and adults. I have worked with well-known international companies helping them to achieve their creative goals: ✅ Texts for advertising purposes (handbooks, case studies, blogs, landing pages, social media, ads, and web content), ✅ to literary creations (plots for movies, short stories, scripts, poems, novels) that make readers’ imaginations take flight. My Creativity and Graphic Skills will undoubtedly offer you a clear, impactful, and entertaining copy. Other areas of expertise include: ✔ Business Proposals and Plans ✔ Thesis and Research Writing ✔ IBM SPSS Data Analysis ✔ Academic Writing Tasks ✔ Proofreading and Editing I'm known for my ability to edit texts quickly while catching the mistakes and areas of weakness that others overlook. I am a passionate perfectionist when it comes to a succinct, well-written, and error-free document. TRY ME and you won’t be saddened. But don’t just take my word for it. Here is an example of what my clients have said: “Zohaab worked quickly. He clearly wanted me to be happy with the work he completed. He is extremely pleasant and positive. He writes content and copywriting. It is a good idea to reach out to Zohaab. You will enjoy working with him since he is a hard worker” ~ Mindy S. ~

Process Engineering PHP Perl C Programming Java

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Sourabh A.

4.9

151

7.5

98%

NORTH WEST DELHI, India

$40 USD per hour

Hello, I'm Sourabh Arora from Delhi, India with over 10 years of expertise in CAD and Design, I specialize in delivering high-quality design solutions across Engineering, Architecture, and Fashion industries. My experience and attention to detail ensure top-notch results tailored to your specific needs. Services I offer: ✔ Engineering Design & development services: - Concept sketches & Technical Drawings for manufacturing - 3D Modelling & Renderings - Assembly/ Instruction manuals ✔ Architectural Marvels: - Architectural, MEP & Structural drawings - Estimation & Costing/ BOQ preparation - 3D visualizations/ Walkthrough ✔ Electronics Mastery: - PCB Layouts, Schematics design - Embedded Systems & Firmware Development ✔ Fashion Designing: - Flat Sketches, Illustrations - Tech packs & Spec-sheets Client feedback showcases my attention to detail, commitment to quality, and excellent service. I focus on surpassing expectations in every project. Let's work together to boost your business!

Process Engineering Graphic Design Data Processing Engineering Electronics

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Abid P.

4.9

7.5

97%

Lahore, Pakistan

$40 USD per hour

This is Abid, for providing the best services such as Engineering Service , Design & Technical Drawing Service(AutoCAD from Paper Sketch). I can provide following these services: ☑️ Engineering services: - ✅ CAD/CAM ♛ [SolidWorks, Inventor, ] - ✅ Design ♛ [Solidworks, Inventor] - ✅ Drawing ♛ [AutoCAD, PDF] - ✅ Sketch to AutoCAD .dwg Converting ♛ [AutoCAD] ☑️ Modeling & Rendering - ✅ 3D Modeling and Rendering - ✅ 3D Printing, Product Design ☑️ Structural Engineering Service - ✅ Structural Engineering - ✅ Steel Structural Design - ✅ FEA - ✅ CFD

Process Engineering Graphic Design Audio Services Engineering Electronics

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Sumit K.

4.4

5.8

91%

Ambala city, India

$15 USD per hour

Hey Sir/Mam On October 29, 2020, I joined this platform as a freelance 3D artist, graphic designer, and web designer. I know am the new On this platform but not the new on this Field I have done the a lot of work regarding GRAPHIC, WEBSITE DESIGN+DEVELOPED, 2D/3D animation and 3D modelling rendering. All kind of work I can do .. I have extensive experience in all types of graphics, 2D, 3D modeling, and animations, as well as mockup design, WordPress, and HTML CSS. Engineering works can be benefit from 3D Architecture Design. Character design in 3D Designing illustrations (cartoons/caricature) * Logo Design * Graphic Design * Photo Editing * Designing the brand identity, identity, and PowerPoint. Software's:------- * PCB, PLC, PLC code, Ki Cad, Gerber file, BOM, Altium, Eagle, and Or CAD * PCB & PLC Programing with codes, C++, analysis * Sketch up, , 3ds max , AutoCAD , Photoshop, Revit , unity ,Tekla, Rhino, Rhino grasshopper, CATIA, Abaqus, Keyshot10, clo3d ,Autocad,3dmax,Maya,Blender,Zbrush,Daz3.Luminos, * Revit LUMION rendering, * Structural drawings in both 2D and 3D. Thanks and regards Sumit Kumar ..

Process Engineering PHP C Programming JavaScript Graphic Design

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Juan E.

5.0

6.7

100%

Venezuela, Venezuela

$25 USD per hour

Hello! I am a Systems Engineer with a unique advantage: I don't just write code; I design stunning brands. I combine technical precision with creative excellence to build high-performance products. Whether you need a complex React application, a custom WordPress site, or a complete Brand Identity, I deliver professional, hand-crafted solutions that scale. 🚀 WHY HIRE ME? ✅ 100% Job Success Score: My reviews prove my commitment to quality. ✅ Dual-Skill Expert: I handle both the logic (Backend/Frontend) and the look (UI/UX). ✅ Reliable & Fast: I pride myself on clean code and pixel-perfect designs delivered on time. 💻 TECH STACK & SERVICES: ✅Responsive web development: HTML/PHP/CSS/Bootstrap/JS/Tailwind. ✅CMS customization/development (WordPress, Wix, Shopify). ✅E-commerce website solutions. ✅React.js/Node.js/Python/TypeScript/JavaScript/MySQL/PostgreSQL/React Native/Flutter/Laravel/Kotlin ✅ Graphic design: brand development, web design, logos, vector illustration, Adobe Illustrator, Photoshop, Adobe Premiere, Adobe After Effects, Blender 3D. ✅ Website SEO (on-page, off-page, and speed optimization). ✅Web application development for Android and iOS. ✅Desktop application development for Mac, Linux, and Windows. ✅Plugin and bot development. ⭐ WHAT MY CLIENTS SAY: "Juan exceeded my expectations... fast, clear, and consistent." "The most seamless transaction... professionalism." I am ready to start immediately. Let's turn your vision into reality.

Process Engineering PHP Java JavaScript Python

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Samuel N.

5.0

6.1

98%

NYAHURURU, Kenya

$50 USD per hour

Thank you for viewing my profile. I’m an Electrical & Control Engineer with an MSc in Automation & Control and currently pursuing a PhD in Control Engineering. I support clients with engineering consulting, technical analysis, and professional technical documentation/reporting—turning complex technical work into clear, defensible deliverables (calculations, models, assessments, and structured reports). I can support projects from problem formulation → analysis/modeling → results interpretation → professional reporting, depending on what you need. Areas I can help with: - Engineering consulting, technical analysis & reporting - Research support (literature review, technical summaries, methodology write-ups) - Control & automation engineering (system modeling, simulation, control concepts) - Optimization and decision-support analysis (problem formulation, constraints, trade-offs) - Electrical engineering fundamentals (AC/DC circuit analysis, power and electronics basics) - Instrumentation & measurement systems (sensors, signal concepts, control loops) - Embedded systems / microcontrollers (Arduino: component selection, circuitry, programming) - PLCs (Programming) - R&D documentation (test reports, design notes, technical documentation) - Technical Writing (Office, LaTeX and structured technical content) What you can expect: - Clear structure and professional formatting - Transparent assumptions and traceable technical reasoning - Practical, implementable deliverables I look forward to working with you.

Process Engineering Research Proofreading Powerpoint Technical Writing

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BroadDigix

4.9

6.7

95%

Islamabad, Pakistan

$45 USD per hour

Automate Your Business. Save Time. Reduce Costs. Scale Faster. **Spend less time managing your business and more time growing it.** We help startups and growing businesses automate workflows, streamline operations, and build custom software that improves efficiency, reduces costs, and scales with your business. I'm Adeel Ali, an AI automation and custom software specialist with 16+ years of experience and 200+ successfully delivered projects. My team builds tailored solutions that solve real business challenges from strategy to deployment. ✅ Solutions We've Delivered ✔ AI Chatbots & AI Agents ✔ Workflow Automation ✔ CRM & ERP Systems ✔ SaaS Platforms ✔ Business Dashboards & Portals ✔ E-commerce Solutions ✔ Android & iOS Apps ✔ Custom Business Systems 💼 Core Services Automation AI Chatbots & AI Agents Workflow Automation Custom Software & SaaS Development Mobile App Development Cloud Solutions E-commerce Solutions Customer Support Solutions ## Why Clients Choose Us ✔ 16+ years of experience ✔ 200+ successful projects ✔ Business-first, AI-driven solutions ✔ Scalable, secure, and future-ready systems ✔ Transparent communication and long-term support Technology should simplify your business, not complicate it. Every solution we build is designed to save time, reduce manual work, and support long-term growth. **Whether you're launching a new product, modernizing existing software, or automating business processes, let's build a solution that helps your business grow.**

Process Engineering PHP JavaScript Python .NET

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Zakaria L.

4.9

4.5

87%

Skikda, Algeria

$10 USD per hour

Automation and Systems Engineer Software & Embedded Systems Developer Experienced programmer with a strong background in application development, robotics, electronics, and automation systems. My expertise spans both software and hardware integration, with hands-on experience in building real-world solutions that align closely with my academic background in engineering. Skilled in developing mobile applications using Flutter, as well as system-level programming and embedded solutions using Python, C, C++, and Java. I have also worked extensively with microcontrollers, sensors, and automation technologies, allowing me to design and implement intelligent systems and control mechanisms. Editor videos games , greatly professional

Process Engineering Graphic Design Logo Design Electronics Video Services

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Clients rate our Process Engineers

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from 1,590 reviews

How to hire a great freelance Process Engineer

A process engineer is a chemical or industrial engineering specialist who designs, optimizes, and troubleshoots manufacturing and production processes to improve efficiency, safety, yield, and cost. Hiring a freelance process engineer gives you on-demand access to the technical expertise needed to scale up production, reduce waste, validate equipment, and bring new products from lab bench to commercial output.

What does a freelance process engineer do

Process engineers convert raw materials into finished products by engineering the systems that handle reactions, separations, heat transfer, and material flow. They translate process requirements into piping and instrumentation diagrams, mass and energy balances, equipment specifications, and operating procedures.

On Freelancer.com, businesses hire process engineers for a wide range of work spanning chemical, pharmaceutical, food and beverage, oil and gas, mining, water treatment, and manufacturing operations. The commercial value is direct: a well-engineered process reduces utility consumption, increases throughput, lowers reject rates, and shortens commissioning time.

Core deliverables a process engineering freelancer provides

The deliverables depend on the project stage, but typical outputs from a process engineering specialist include:

Process flow diagrams (PFDs) and piping and instrumentation diagrams (P&IDs)

Mass and energy balances, including steady-state and dynamic models

Equipment sizing and specification sheets for reactors, distillation columns, heat exchangers, pumps, compressors, and storage vessels

Hydraulic calculations, line sizing, and pressure relief device sizing

Process simulation models built in Aspen HYSYS, Aspen Plus, ChemCAD, or DWSIM

HAZOP, HAZID, LOPA, and other process safety studies

Standard operating procedures (SOPs), batch records, and commissioning documentation

Scale-up calculations from laboratory or pilot data to commercial production

Process optimization studies focused on yield, energy efficiency, and bottleneck removal

CAPEX and OPEX estimates, feasibility studies, and basic and front-end engineering design (FEED) packages

Tools and software process engineers use

Strong candidates demonstrate fluency with the simulation, drafting, and analysis tools that define modern process engineering work. Expect to see proficiency in:

Aspen HYSYS and Aspen Plus for steady-state and dynamic process simulation

ChemCAD, PRO/II, and DWSIM for chemical process modeling

AutoCAD P&ID, SmartPlant, and AVEVA for engineering drawings

MATLAB and Python for custom modeling and data analysis

HTRI and Aspen EDR for heat exchanger design

PIPENET, AFT Fathom, and Pipe Flow Expert for hydraulic analysis

PHAST and DNV Safeti for consequence modeling and quantitative risk assessment

Six Sigma, Lean Manufacturing, and statistical process control methodologies

Industries that hire freelance process engineers

Process engineering expertise is needed across asset-intensive and product-driven sectors. Common engagements come from:

Chemical and petrochemical manufacturing

Pharmaceutical and biotechnology production, including GMP-regulated facilities

Food, beverage, and dairy processing

Oil, gas, and refining operations

Mining, mineral processing, and metallurgy

Water and wastewater treatment

Renewable energy, hydrogen production, and carbon capture projects

Specialty chemicals, coatings, polymers, and personal care products

How to evaluate process engineering candidates

Process engineering is a credential-heavy field, and the wrong hire can lead to safety incidents, failed commissioning, or expensive redesigns. Look for candidates with a degree in chemical, process, or industrial engineering, professional registration (PE, CEng, or equivalent) where applicable, and direct industry experience aligned with your sector. Portfolio markers to look for include sanitized P&IDs, simulation case studies, HAZOP facilitation experience, and documented scale-up or debottlenecking projects.

Sample interview questions you can use directly:

Walk me through how you would size a shell-and-tube heat exchanger for a hydrocarbon service, including the key inputs you would request from the client.

Describe a process you optimized. What was the bottleneck, what change did you make, and what was the measurable outcome?

How do you approach building a mass and energy balance when source data from the client is incomplete or inconsistent?

Explain the difference between HAZOP and LOPA, and when you would recommend each.

What is your experience scaling a process from pilot plant to commercial production, and what failure modes do you watch for?

Adjacent skills you may also need

Process engineering projects rarely sit in isolation. Depending on the scope, you may want to combine your hire with freelancers in mechanical engineering, instrumentation and control systems, electrical engineering, piping design, structural engineering, environmental engineering, and project management. For regulated industries, technical writers experienced in validation protocols and CAD drafters skilled in 3D plant modeling are common companions.

Why hire process engineers on Freelancer.com

Freelancer.com gives you access to a global pool of qualified process engineers, from independent consultants with decades of refinery and pharmaceutical experience to early-career engineers proficient in modern simulation tools. You can post a project on Freelancer.com and receive competitive bids from specialists across multiple time zones, which is particularly valuable for projects requiring round-the-clock progress or local regulatory knowledge. Clients set their own budgets and review verified portfolios, ratings, and completed project histories before awarding work, and Milestone Payments protect funds until deliverables are accepted.

Post a project on Freelancer.com today and connect with skilled process engineering freelancers ready to design, simulate, and optimize your production processes.

What are the steps to hiring a freelance process engineer?

Hiring a process engineer through Freelancer.com is straightforward when your brief is technically specific. The clearer your scope, deliverables, and existing data, the higher the quality of the proposals you receive. Below are the three steps to follow.

Step 1: Post your project on Freelancer.com

The project brief is the single biggest determinant of bid quality. A precise, technical brief filters for engineers whose discipline experience genuinely matches your problem, whether that is sizing a distillation column, validating a clean-in-place system, or running a HAZOP. Head to the post project page , fill in the scope, timeline, and budget, and publish the project for freelancers to bid on.

State the industry and process context (for example, oleochemical refining, mAb production, or municipal wastewater)

List required deliverables in concrete terms: PFD, P&ID, mass balance, simulation file, HAZOP report, equipment datasheet

Specify required tools or simulation packages, such as Aspen HYSYS, ChemCAD, or AutoCAD P&ID

Share available inputs: feed compositions, flow rates, operating conditions, existing drawings, and lab or pilot data

Note any regulatory or code requirements, such as ASME, API, GMP, ATEX, or local environmental standards

Provide a realistic timeline and indicate whether the work is fixed-price or hourly

Step 2: Review bids from freelancers

Bids on a process engineering project are short technical proposals, not just price quotes. A strong bid shows that the engineer has read the brief, understands the chemistry or unit operation involved, and has a clear methodology. Use Freelancer.com's chat feature to ask clarifying questions before shortlisting.

Look for proposals that reference specific calculation methods, simulation software, or industry codes relevant to your work

Check whether the freelancer raises sensible technical questions about your inputs, constraints, or assumptions

Assess timeline realism: complex simulations, FEED packages, and HAZOP studies cannot be compressed without quality risk

Review attached samples such as redacted P&IDs, simulation outputs, or design reports

Confirm relevant industry experience, especially for regulated sectors like pharmaceuticals, food, or hazardous chemicals

Step 3: Evaluate freelancers and award the project

The final decision combines proposal quality with profile evidence. For process engineering, consistency matters more than a single impressive case study, because the work demands repeatable rigor across calculations, drawings, and safety reviews. Examine each shortlisted freelancer's profile carefully before awarding.

Portfolio depth and relevance to your unit operation, industry, and project stage

Star ratings and the volume of completed engineering projects

Written client reviews, especially comments on technical accuracy and communication

Verified payment method, completion rate, and on-time delivery rate

Professional credentials such as PE, CEng, or equivalent registration where required

Award the project and fund Milestone Payments so deliverables can be reviewed and approved before funds are released

How long does a process engineering project take?

Timelines vary widely with scope. A focused calculation, equipment sizing, or simulation review can be completed in days, while a full FEED package, HAZOP, or commissioning support engagement typically runs several weeks to several months. Define your milestones in the brief so freelancers can quote a realistic schedule.

Can I hire a process engineer for a one-off project?

Yes. Many clients use Freelancer.com for discrete deliverables such as a single P&ID, a pressure relief sizing study, a debottlenecking analysis, or a HAZOP facilitation. Freelancers are accustomed to fixed-scope engagements and will scope deliverables, assumptions, and revision rounds in their proposal.

What is the difference between a process engineer and a chemical engineer?

The two terms overlap heavily. Chemical engineering is the academic discipline, while process engineering is typically the applied role focused on designing and operating production processes. In practice, most freelance process engineers hold chemical engineering qualifications, and the titles are often used interchangeably in industry.

Do I need a freelance process engineer or an engineering firm?

For defined deliverables, simulations, calculations, optimization studies, and design reviews, a freelance process engineering expert is usually faster and more cost-effective. For multi-discipline EPC projects with hundreds of drawings and field execution, a full engineering firm is appropriate. Freelancers also work well as independent reviewers or specialist support to in-house teams.

Can a freelance process engineer work under confidentiality?

Yes. Process work often involves proprietary recipes, plant data, and trade secrets. Freelancers on Freelancer.com routinely sign non-disclosure agreements before receiving sensitive technical documentation, and you can require an executed NDA as a condition of awarding the project.