Hire the Best Formulation Professionals

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Rating is 4.8 out of 5.
4.8/5
Based on 575 client reviews
Zafar I.

Jhang, Pakistan

$30/hr
5.0
13 jobs

🎯 I'm a Mechatronics and Robotics Engineer specialising in integrated hardware, embedded, and product builds. Top Rated Plus on Upwork with 100% Job Success across 10 contracts and 200+ hours billed ☎️ Contact me for a ꜰʀᴇᴇ ᴠɪᴅᴇᴏ ᴄᴀʟʟ to discuss your project. Most engineering work gets split across three or four freelancers who don't talk to each other. I handle everything directly, so mechanical, electronic, and firmware land as one seamless working system instead of three disconnected handoffs. 🔧 Disciplines I Cover: 🔵 Mechanical Engineering & CAD - Fusion 360, SolidWorks, enclosure design, mechanism design, sheet metal, DFM, DFA, 3D printing, injection-mould-ready parts. 🟣 Electronics & Custom PCB Design - Schematic and layout, mixed-signal PCB, multilayer boards, sensor electronics, power electronics, motor driver circuits, EMC, KiCad, Altium Designer. 🟢 Embedded Systems & Firmware - STM32, ESP32, Arduino, ARM Cortex, embedded C, C++, MicroPython, RTOS, BLE, Wi-Fi, LoRa, MQTT, CAN bus, I2C, SPI, UART, low-power design, OTA updates. 🟠 Robotics & Mechatronics - ROS, ROS2, Gazebo, SLAM, Nav2, MoveIt, LiDAR, IMU, sensor fusion, computer vision, manipulator and gripper design, AGV, AMR, cobot integration, industrial automation, Industry 4.0. 🟡 Control Systems & Simulation - MATLAB, Simulink, Unreal Engine, dynamic modelling, PID, LQR, state-space, MPC, motor control (BLDC, stepper, servo), digital twin, model-based design. 🔴 IoT & Connected Hardware - End-to-end IoT product builds, telemetry, smart sensors, companion apps, web dashboards, edge devices on Raspberry Pi and NVIDIA Jetson. ⚪ AI in Hardware - Edge AI on STM32 and Jetson, computer vision on devices, perception for robotics, TensorFlow, PyTorch, OpenCV. 📋 Credentials - Top Rated on Upwork (top 3% globally) - 100% Job Success Score across 10 contracts - Operating through AR ENCELADUS Ltd, UK-registered limited - Native English, UK-based 🎯 Past Clients - Hardware startups going from concept to prototype, prototype to MVP, or MVP to first production - Companies needing a custom connected device or smart product - Teams wanting CAD + PCB + firmware + integration delivered as one coordinated workstream - Clients with existing designs needing rescue, revision, or refinement toward manufacture-ready - SMEs adding automation, robotic systems, or autonomous platforms - Discrete specialist work is also welcome. ⚙️ How I Run an Engagement 1️⃣ Blueprint - week one technical audit, system mapping, risk flagging, written build plan 2️⃣ Build - CAD, PCB, firmware, integration, documentation as one workstream 3️⃣ Validate - functional testing, DFM iteration, field validation 4️⃣ Handover - design files, source, test data, reproducible build documentation What Makes Me Different ✔️ Multi-disciplinary - mechanical + electronics + firmware as one system ✔️ UK Ltd with regulated PII insurance ✔️ Top Rated Plus, 100% JSS across 10 contracts ✔️ Discrete specialist work welcome I operate through AR Enceladus Ltd, a UK-registered limited company. The company maintains UK-regulated professional indemnity insurance, providing clients with the reassurance that all projects are delivered with professionalism, accountability, and to a high standard.

  • Materials Engineering
  • Product Formulation
  • Materials Characterization
  • Mechanical Engineering
  • Mechatronics
  • Electrical Engineering
  • Consumer Electronics
  • Embedded System
  • PCB Design
  • Industrial Engineering
  • Hardware Design
  • Product Development
  • 3D Design
  • 3D Modeling
  • Artificial Intelligence
  • Python
  • Design Simulation
  • Packaging Design
  • Polymer Engineering
  • Design for Manufacturing
Asad A.

Lahore, Pakistan

$49/hr
4.5
126 jobs

👋 Hi there! I'm Asad, a Top Rated Freelancer on Upwork. ↬ Proudly serving clients globally, I ranked among the top 3% of freelancers on Upwork. ↬ I am a Chemical Engineer specializing in Materials, Reverse Engineering, Product Development, etc. ↬ Affiliated with the Washington Accord, ensuring top-tier professional standards. ↬ Boasting over five years of extensive experience in the field. ↬ Currently working in Research and Development (R&D) for Chemicals and Materials. ↬ Committed to exceeding expectations and achieving your project goals precisely and excellently. As a multidisciplinary Chemical and Polymer Engineer, I bring deep expertise in Process Engineering, Material Selection, Formulation Development, Process Design & Optimization, Product Design & Optimization, Reverse Engineering, FEA, and Simulation Analysis. I provide tailored solutions across diverse sectors including Chemicals, Plastics, Rubbers, Coatings, Adhesives, Packaging, Consumer Products, and Chemical Process Industries. My proficiency extends to the in-depth understanding of material behavior and utilizing diverse techniques and software tools to develop prototypes before the actual process is set into motion. Software Expertise Includes: Ansys Polyflow, Aspen Plus V11, Aspen Hysys, Moldex 3D, MINITAB, SOLID-WORKS, PowerShape, Auto CAD, MOLD FLOW, MATLAB, ORIGIN. Materials Expertise: ↬ Elastomers & Rubber Compounding (SBR, NBR, FKM, Silicone, etc.) ↬ Composites (Nano, Bio, MMC, FMC, CMC) ↬ Epoxy Systems & High-Performance Resins ↬ Foam Materials (PU, EVA, Styrene, Rebonded Foam) ↬ Polymer & Plastic Processing Technologies ↬ Biodegradable and Eco-friendly Materials Chemical Process Engineering: ↬ Design & Simulation of Process Plants ↬ Reactor Design & Scale-Up ↬ Distillation Columns, Absorbers, Evaporators ↬ Energy and Mass Balance Calculations ↬ Plant Cost Estimation and Economic Optimization Process & Manufacturing Capabilities: ↬ Injection Molding (commodity to high-end engineering applications) ↬ Extrusion (profiles, pipes, films, packaging sheets) ↬ Stretch Blow Molding & Extrusion Blow Molding ↬ Compression Molding & Thermoforming ↬ PLA 3D Printing ↬ Sintering & Casting Processes ↬ Superabsorbent Materials (e.g., diapers, hygiene products) ↬ Plastic Pellet Manufacturing ↬ Non-Woven & Woven Fabric Applications ↬ Plastic Bags & Containers (PP, PE, Woven, Oxo-biodegradable) Product & Material Development: ↬ Sustainable Products ↬ Adhesives & Sealants (custom base resins and specialty applications) ↬ Dyes, Pigments, and Additives ↬ Masterbatch Formulation and Processing ↬ Nano-Coatings, Ceramic & Powder Coatings ↬ Scented Plastic Product Development ↬ High-Strength & Engineering Grade Materials for Structural Use ↬ Reverse Engineering of Market Products ↬ Product Formulation & Troubleshooting Analysis & Characterization: ↬ Material Property Testing & Characterization ↬ Product Simulation & Design ↬ Failure Analysis & Process Optimization ↬ Material Selection for Target Applications ↬ Complete Plant Simulation (including reactors, unit operations) Whether you're developing a new product, optimizing a manufacturing process, or seeking innovative material solutions, I offer comprehensive support from concept to commercialization. I assure my clients of receiving authentic, precisely organized, and well-formatted work. All my formulation, material development, and product design skills are backed by substantial industrial experience. With full accountability and confidence, I am a resourceful creator who can embark on projects with minimal input and deliver precision. I prioritize fast project completion and firmly believe in providing complete solutions. Even after completing a project, I remain open to continued communication, welcoming your input and addressing any concerns. Your confidentiality and privacy are of utmost importance to me. Let's chat and discuss what you have in mind to realize. Cheers!

  • Research & Development
  • Product Formulation
  • Process Simulation
  • Aspen HYSYS
  • Reverse Engineering
  • Plastic
  • Polymer Engineering
  • Process Engineering
  • Chemical Engineering
  • Materials Engineering
  • Scientific Literature Review
  • Sustainable Product
  • Chemical Synthesis
  • Polymer Science
  • Product Development
Ashley R.

La Verkin, Utah

$100/hr
4.8
180 jobs

I am a Food Scientist who specializes in formulation and product development in dietary supplement and food industries. I have created hundreds of products for brands worldwide. These products have included capsules, tablets, liquids, tinctures, stick packs, powders, gummies, balms, chocolates, and other candies. I am connected to all parts of the industry from vendors and contract manufactures to testing labs. My knowledge of dietary supplement industry is extensive and was obtained through many years of hands-on experience as well as a Master's degree in Food Technology from the University of Georgia. If I can't provide a service myself, I can probably connect you to someone who can. I am here to: Formulate your products Reverse engineer products Do all needed R&D for your products Find ingredient sources Make mock samples Write processing instructions for your manufacturer Help to find a manufacturer Consult on decisions such as if an ingredient, vendor, or manufacturer is up to scratch Make your Supplement Facts / Nutrition Facts Panels Review any technical documentation Review Labels for accuracy and regulatory issues. Write and edit SOPs Design stability studies and work with 3rd party labs to carry them out I can do many other related tasks, just ask!

  • Supplier Search
  • Product Stability
  • Product Formulation
  • Microsoft Office
  • WordPress
  • Food Packaging
  • Product Development
  • Research & Development
  • Food & Supplements
  • Product Documentation
  • Food Writing
  • Technical Writing
  • Sourcing
  • Regulatory Compliance
  • Nutrition
Morgane R.

Brussels, Belgium

$70/hr
4.9
84 jobs

Member of The Society Of Cosmetic Chemists (SCC). Launch or scale your skincare/haircare brand with formulas that truly perform and fully comply with global cosmetic regulations. I help beauty founders create products their customers love, from idea to compliant market launch, using the latest in personal care science. BACKGROUND: I am a cosmetic chemist with over 6 years of experience and founder of an independent cosmetic manufacturing laboratory in Belgium. I work with startups and growing brands across Europe, the UK, the United States, Canada, Australia and the Middle East. I develop bespoke cosmetic formulas (natural, organic or conventional), create prototypes, manage lab testing, prepare regulatory files and manufacture products in small or scalable batches. My goal is to make your product safe, compliant, high-performing and ready to sell. SERVICES: * New product development (creating a formula based on your requirements) * Private labelling (put your name on our products - from our catalogue) * Reviewing your own formulas * Creating prototypes (samples) of your products for review, feedback, testing * Liaising with a specialised laboratory for your lab tests (stability, preservative efficacy, claims-based testing, etc.) * Creating the legal paperwork you need to sell in your country * Responsible Person services for brands outside the EU/UK wanting to enter one market or the other. * Consultation and guidance for startup brands regarding legislation, pricing, launching. * Label guidance and review * Claims legalities * Product manufacturing AREAS OF EXPERTISE: - Cosmetic chemistry: hair care, skincare, body care, makeup, men's grooming, babies - Herbalism: herbs/plants for cosmetics and for health - Cosmetic regulation compliance in EU, UK, USA (incl. MoCra), CA, AUS, NZ, China, SK, ASEAN, SA, Japan - Cosmetic product labelling - Cosmetic claims - Product recalls

  • Cosmetic Raw Materials
  • Safety Assessment
  • Cosmetics
  • Product Development
  • Good Manufacturing Practice
  • Cosmetic Regulation
  • Label Compliance
  • Chemistry
  • Product Formulation
  • Skin Care
  • Compliance Consultation
  • Contract Manufacturing
  • Organic & Natural Style
  • Compliance Testing
  • Brand Consulting
Agustina Clara V.

Foz do Iguacu, Brazil

$7/hr
5.0
17 jobs

Want to create effective and natural cosmetic products backed by science? 🌿 I’m a licensed Pharmacist from Argentina with a specialty in Phytomedicine and years of experience in Cosmetic Formulation — from natural skincare to herbal-based personal care. 📌 Services: Custom cosmetic & herbal formulations | Clean beauty | Startup consulting 📌 Why work with me? Science-based | Plant-based & eco-friendly | Confidential & tailored | Ready-to-manufacture formulas. 💬 I speak Spanish, English & Portuguese. Let’s create beauty products that make a difference! 😊

  • Canva
  • Product Formulation
  • Cosmetics
  • Organic & Natural Style
  • Chemistry
  • Herbal Medicine
RaviKumar M.

London, United Kingdom

$60/hr
5.0
1 jobs

With 9+ years of experience in plastics industry across consumer, medical and automotive sectors (BD, Avient), I combine deep polymer science knowledge with advanced tools to help organisations (large and small) struggling with Plastics R&D to solve their most complex problems. From Materials selection, toxicity analysis to handling supplier change to production issues, I can provide consultation and hands-on work to get your job done in the shortest time frame. Knows cradle-to-cradle development of plastics with strong knowledge in regulatory and legal requirements. Complete ownership and accountability, whether its root-cause analysis or innovation R&D Proven track record of translating challenging projects from TRL 3 to scale-up and full fledged production. Experienced in using advanced Machine learning tools for materials science engineering and proven record of success.

  • Plastic
  • Polymer Science
  • Polymer Engineering
  • Chemical Engineering
  • Material Selection
  • Toxicology
  • Material Design
  • Product Formulation
  • Materials Characterization
  • Materials Engineering
  • Materials Knowledge

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Formulation freelancer hiring guide

Formulation freelancers help turn product concepts into testable, documented formulations across cosmetics, food, supplements, skincare, and industrial applications. Whether you need a new formulation, reformulation work to improve stability or cost, troubleshooting for an existing product line, or support scaling from pilot to production, a specialist with category experience can help you move from idea to production-ready deliverables while navigating ingredient constraints, regulatory considerations, and manufacturing realities.

What does a formulation freelancer do?

A formulation freelancer develops, refines, and documents product formulations, translating your product goals into workable recipes or specifications that can be tested, manufactured, and scaled. Typical responsibilities include selecting and balancing ingredients or components based on product claims and constraints, conducting or coordinating stability testing and process validation, troubleshooting formulation issues such as separation or texture problems, documenting formulations with specifications and standard operating procedures (SOPs), and coordinating with manufacturers or labs to support pilot runs or scale-up.

Common deliverables include formulation briefs or draft recipes, test protocols and iteration notes, stability or compatibility summaries, finalized formulation documentation, and recommendations for process adjustments or supplier alternatives. Depending on scope, a formulation freelancer may also coordinate with your manufacturing team, quality staff, or regulatory advisors to keep the work aligned with production capabilities and category requirements.

How to hire a formulation freelancer on Upwork

Hiring a formulation freelancer on Upwork follows a structured process: post a job describing your product and formulation needs, evaluate candidates based on category-specific experience and process clarity, interview top choices to confirm approach and fit, and finalize scope with milestones before work begins.

Step 1: Post a job

Start by describing your product, what formulation work you need, and your timeline. A strong job post includes:

  • Product category and intended use (cosmetic, food, supplement, industrial)

  • Scope of work and specific deliverables (new formulation, reformulation, stability support, troubleshooting)

  • Any constraints or requirements (ingredient preferences, regulatory considerations, manufacturing environment)

  • Project timeline and urgency level

  • Budget preference (hourly or fixed-price) and estimated project length

  • Preferred industry background or certifications

Use the Job Post Generator, powered by Uma™, Upwork's Mindful AI, to draft a customizable job post. Describe your project in a few sentences, and Uma will create a starting point you can refine. You can also review this job description template to structure your post around product specifications, deliverables, industry background, and success criteria.

Step 2: Evaluate candidates

Review proposals and shortlist candidates whose experience matches your product category and scope. Focus on:

  • Portfolio or case studies demonstrating similar product formulations

  • Industry-specific experience relevant to your product type

  • Understanding of your constraints, including ingredient preferences, stability needs, or manufacturing considerations

  • Client reviews highlighting formulation quality, documentation clarity, and deadline reliability

  • Relevant certifications or technical background

  • Availability and time zone overlap for testing cycles or review checkpoints

Upwork's candidate screening tools let you compare proposals side-by-side and use structured scorecards to assess candidates consistently. Look for talent badges such as Top Rated or Expert-Vetted, which indicate a proven track record on the platform.

Step 3: Interview your top choices

Interview your top selections with a structured 20–30 minute agenda that validates technical approach, communication style, and how the freelancer manages iteration and testing cycles. Instant Interviews allow you to collect structured video responses early, then move the strongest candidates to a live discussion using Upwork's messaging and video tools. During the interview:

  • Walk through your product concept, target use, and key constraints

  • Ask about their formulation process and how they approach ingredient selection and iteration

  • Discuss how they coordinate testing, document results, and make adjustments based on feedback

  • Confirm their documentation approach and what level of detail you can expect at handoff

  • Clarify communication cadence, review points, and required inputs

For role-specific questions, see common Upwork interview questions and adapt them to focus on formulation process, problem-solving approach, and category-specific knowledge.

Step 4: Agree on scope and begin work

Before work starts, finalize the contract in writing so scope, deliverables, review points, communication expectations, and payment terms are clearly defined. For formulation projects, which often benefit from staged approvals, consider using milestone-based fixed-price contracts to break the project into phases such as concept review, first formulation draft, iteration round, and final documentation. Before the project starts:

  • List final deliverables, including formulation specifications, test coordination summaries, and documentation format

  • Set milestones for fixed-price work or weekly expectations for hourly work

  • Define success criteria, such as stability benchmarks, sensory targets, or manufacturing feasibility

  • Confirm the revision process and how changes will be managed

  • Clarify communication cadence and what information or materials you will provide

How much does hiring a formulation freelancer cost?

Formulation project costs typically range from about $800 for a focused concept review to $15,000 or more for a multi-phase development project with testing coordination and manufacturing handoff. Total cost depends primarily on project scope, product complexity, the number of iterations or testing cycles required, industry-specific regulatory or documentation needs, and the freelancer's depth of experience in your product category. You can review hourly rates for related scientific and technical roles on Upwork to gauge market costs.

Concept review or formulation consultation

$800–$2,500 /project

Entry-level to mid-level
  • Initial formulation brief or feasibility assessment
  • Ingredient or component recommendations
  • Written recommendations for development path

New formulation or reformulation project

$2,500–$7,000 /project

Mid-level
  • Draft formulation with ingredient specifications
  • Test coordination notes and iteration summary
  • Handoff documentation for manufacturing or next steps

Phased development with testing and scale-up

$5,000–$15,000+ /project

Senior-level
  • Milestone plan covering discovery, prototyping, and validation
  • Iteration rounds with test data and formulation adjustments
  • Final project package including SOP documentation

Ongoing optimization or troubleshooting support

$1,500–$5,000 /month

Mid-level to senior
  • Optimization backlog and troubleshooting support
  • Recurring formulation adjustments or process recommendations
  • Updated documentation and technical guidance

These ranges reflect typical scope and complexity. Actual costs depend on your product category, testing requirements, timeline, and the specialist's industry experience.

Frequently asked questions

Is hiring a formulation freelancer worth it?

Hiring a formulation freelancer is often worth it when your project depends on specialized product-development knowledge that your internal team does not have, or when you need targeted support for creating, refining, documenting, or troubleshooting a formulation without building permanent capacity. It becomes especially compelling in categories where safety, process control, and documentation matter. In regulated categories, category-specific expertise can reduce risk: cosmetic responsible persons must maintain records supporting adequate safety substantiation under MoCRA, many food facilities must follow current good manufacturing practice and preventive-controls requirements, and dietary supplement manufacturers must follow current good manufacturing practice requirements, which underscores the value of hiring someone who understands the standards relevant to your product.

Hiring a specialist also helps you avoid costly rework. A formulation freelancer with experience in your product category can navigate ingredient interactions, stability challenges, and manufacturing constraints more efficiently than a generalist, which reduces iteration cycles and helps you reach a production-ready formulation faster.

Should I hire a chemist, food scientist, or formulation freelancer?

Whether to hire a formulation freelancer, chemist, or food scientist depends on your product category and scope. Formulation freelancers are often the best fit for practical product-development work such as creating recipes, coordinating testing, and documenting formulations for manufacturing. Chemists may be a better fit for analytical testing or deeper research, while food scientists bring specialized expertise in food safety, process design, and food-related regulatory requirements. If your scope leans heavily into process design or scale-up engineering, a chemical engineer may be more appropriate.

What qualifications matter most when hiring a formulation freelancer?

Qualifications depend on your product category and scope. For cosmetics or skincare, look for candidates with a chemistry or cosmetic science background and hands-on experience formulating similar products. For food or supplements, prioritize food science credentials and familiarity with your product type.

Beyond formal education, prioritize candidates who can demonstrate similar-project experience through portfolios or case studies, clear documentation habits, and reliability in meeting deadlines. Certifications may strengthen a candidate's fit, but relevant hands-on experience in your category often matters more than credentials alone.

Should I use fixed-price or hourly for formulation work?

Use fixed-price contracts when your formulation project has clearly defined deliverables, a known scope, and predictable iteration cycles. Fixed-price works well for projects that can be broken into milestones, such as concept review, draft formulation, iteration round, and final documentation. Use hourly contracts when your scope is exploratory, when you need ongoing troubleshooting or optimization support, or when the number of testing cycles is uncertain.