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Subir C.

5.0

112

6.3

99%

Kanaighat, Bangladesh

$28 USD per hour

At a glance: - Full-time independent freelancer with a strong track record of long-term client success. I also have extensive experience working on other freelancing platforms. - 15 years in web development (PHP, JavaScript, HTML, CSS), including - 13 years in WordPress programming including performance optimization & server administration and 12 years in Magento & Shopify. - Proven ability to deliver high-ranking, SEO-friendly websites. - 6 years of experience in Python-based machine learning. - Fluent in English. - Strong expertise in mathematics, physics, and complex systems (machine learning, quantum computing), with continuous advancement, enabling precise decision-making, high efficiency, and reliable results. I am able to apply ML and quantum computing to wordpress. Magento/Woocommerce/WordPress/Shopify: With over 13 years of experience on magento/shopify and 14 years on wordpress/woocommerce, I am confident in my ability to meet all your requirements. I am capable of handling all aspects of these CMS platforms. I have developed several highly complex WordPress/WooCommerce websites using Elementor, some of which required over a year to complete. As I work with highly complex systems such as machine learning and quantum computing—which require rigorous mathematical reasoning, deep abstraction, and advanced problem-solving—CMS platforms have become straightforward for me due to the comparatively lower level of complexity and predictable architecture they involve. My experience and skills make me distinctive in this field. Page speed optimization & on-site SEO skill: I specialize in advanced PageSpeed optimization with over 14 years of hands-on experience improving real-world website performance across WordPress, Magento, and Shopify platforms. I optimize every layer of a site—from server configuration and database efficiency to clean, optimized code, caching systems, and lightweight front-end assets—to ensure exceptional speed and user experience. I resolve Core Web Vitals issues such as LCP, CLS, and INP/FID while preserving full design integrity and functionality. My focus is on sustainable, long-term performance improvements rather than temporary fixes, and after my work, PageSpeed scores can reach up to 100 on both mobile and desktop, helping websites load faster, rank better, and convert more visitors into customers. In addition, I implement strong on-site SEO practices, including proper HTML structure, schema markup, optimized headings, internal linking, metadata optimization, and search engine–friendly coding to enhance visibility and indexing. Python machine learning, deep learning and quantum computing: 6 years’ experience in Python, machine learning, and quantum computing, leveraging quantum computing in ML when it provides performance or efficiency gains. Web Scraping: 15+ years in advanced web programming, expert in Python web scraping, with experience in complex systems including machine learning and quantum computing.

Quantum Computing PHP JavaScript Python Website Design

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Atomic Loops Pvt Ltd

4.9

5.1

96%

Pune, India

$15 USD per hour

Thanks for visiting our profile! Top Preferred Freelancing Agency | Verified Freelancer | Successfully Completed 90+ Projects At Atomic Loops, we provide end-to-end smart solutions for companies of all sizes using cutting-edge technologies such as ML, Blockchain, Quantum Computing, etc. The Tech Stack we excel at: ● Machine Learning & Deep Learning ● Computer Vision: Image Classification, Object Detection & NLP ● Cloud Services: AWS, DigitalOcean, GCP, Linode, Heroku ● DevOps: Docker, Kubernetes, Github Actions, Jenkins ● Website Development: HTML/CSS, JavaScript, ReactJS, Redux ● MERN Stack, Flutter & React Native ● Wix Website Development ● UI/UX Design: Mockups & Wireframes creating using Figma & Adobe XD ● Django, DRF, Flask, Flask RESTful, FastAPI, NodeJS, ExpressJS ● MySQL, PostgreSQL, MongoDB, Firebase, DynamoDB ● Digital marketing: SEO and Social Media We offer Development, Tech Assistance & Trainings in the domains mentioned. Lets connect and grow together.

Quantum Computing PHP JavaScript Python Website Design

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Alan Mijail A.

5.0

5.5

100%

La Paz, Bolivia

$30 USD per hour

We are a leading agency in system development and localization services, powered by a team of highly skilled and dedicated professionals. Our work is driven by a passion for innovation, attention to detail, and a progressive approach that adapts to emerging technologies while upholding the highest ethical standards. What We Offer: ○ Web Application Development ○ Mobile Application Development ○ Desktop Application Development ○ Cloud Augmented Reality and 3D Solutions ○ AI Integrations & Custom AI Model Training ○ UX/UI Design ○ Translated Subtitling & Proofreading Technologies We Specialize In: ○ Backend: C# .NET, PHP Laravel, Node.js (Nest.js), Python (Django, FastAPI) ○ Frontend: Vue.js, React.js, Angular, Vanilla.js ○ Databases: PostgreSQL, MySQL, MongoDB, SQLite, IndexedDB ○ Mobile Development: React Native, Flutter, Apache Cordova ○ Cloud: AWS, OpenAI API, TensorFlow Industries We Serve: Our clients include small businesses, enterprises, and government entities, with expertise across diverse industries such as: ○ Environment, Flora & Fauna ○ Manufacturing & Logistics ○ GovTech ○ Retail / eCommerce ○ AgTech ○ NonProfit ○ Marketing Technology Let us help you transform your vision into reality with cutting-edge software solutions and localization services. Ready to partner with a team that combines innovation, technical expertise, and global reach? Let’s build something exceptional together!

Quantum Computing PHP Java JavaScript Python

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Zainab A.

4.8

2.0

67%

Lahore, Pakistan

$20 USD per hour

More than 3 years of experience in designing, user-centered meaningful and functional UI and UX and transforming it to life across the web and mobile platform. AREAS OF EXPERTISE: Design: • UX Research • Planning • Low Fidelity Design • High Fidelity Design • Testing • User Interface (UI) Design • Mobile Applications Design • Dashboard Design • SaaS Design Development: • Full Stack Web Development ( PHP, Javascript , MEAN Stack , MERN Stack) • Ecommerce Content Management System (WordPress, Magento, Opencart, Prestashop, Zencart, Shopify) • Mobile App Development (React Native, Flutter, iOS, Android, Hybrid Development) Support: Technical Support and Maintenance (DB Back-ups, Cloud/Data migration, Bug Fixing, 24/7 support) - Contact me to discuss your project -

Quantum Computing Linux Web Security Mobile App Development J2EE

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Lalhriatpuii K.

5.0

3.6

100%

Aizawl, India

$4 USD per hour

I am 25 years old.I have some knowledge with technology. I am good at entering data, typing, do online research, do tasks anything that applies I love the satisfaction I got after my tasks are done I just want to expand my experience and knowledge.

Quantum Computing Audio Services Data Entry Excel Freelance

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Kelvin O.

5.0

1.9

100%

KASARANI, United States

$40 USD per hour

Accomplished Energy Systems Engineer and AI Data Trainer with over 15 years of experience optimizing power distribution, enhancing grid resilience, and driving renewable integration. I demonstrate a unique ability to blend engineering expertise with advanced mathematical modeling, statistical inference, and data analysis. Proven success in applying theoretical concepts to real-world energy systems and AI technologies, with a strong foundation in theoretical and mathematical physics. I have spearheaded critical projects in grid modernization, automated energy monitoring, and renewable resource integration, helping reduce operational costs and improve energy reliability for millions of customers. My approach is rooted in strong technical analysis, data-driven decision-making, and seamless communication with both technical and non-technical stakeholders. Recognized as a strategic thinker and results-oriented leader, I am passionate about creating resilient, sustainable, and intelligent energy systems. Whether it’s building AI-powered tools for LLM training, performing grid audits, or ensuring regulatory compliance, I bring a commitment to excellence and a drive for innovation in every project I lead.

Quantum Computing Project Management Electronics Electrical Engineering Quantum

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Clients rate our Quantum Computing Experts

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How to hire a great freelance Quantum Computing Expert

A Quantum Computing Expert is a specialist who designs, builds, and tests quantum algorithms, circuits, and applications using quantum hardware and simulators to solve problems beyond classical computing limits. Hiring a quantum computing expert gives your team access to advanced knowledge in qubit systems, quantum gates, and hybrid quantum-classical workflows that drive research and emerging commercial applications.

Quantum computing specialists bridge physics, mathematics, and software engineering. They translate computational problems into quantum circuits, optimize them for current noisy intermediate-scale quantum (NISQ) hardware, and benchmark results against classical baselines. Whether you need a feasibility study, a proof of concept, or production-grade integration with a quantum cloud service, a freelance quantum computing consultant brings the depth required to move your project forward.

What a quantum computing expert delivers

Quantum computing freelancers handle work across algorithm design, simulation, hardware-specific compilation, and applied research. The deliverables are technical and often paired with documentation that lets your internal team continue the work.

Quantum algorithm design including QAOA, VQE, Grover's search, Shor's algorithm, and quantum phase estimation

Quantum circuit implementation in Qiskit, Cirq, PennyLane, Q#, or Braket SDK

Hybrid quantum-classical models for optimization, chemistry simulation, and machine learning

Noise modeling, error mitigation, and circuit transpilation for IBM Quantum, IonQ, Rigetti, and AWS Braket backends

Benchmarking quantum solutions against classical heuristics with reproducible notebooks and reports

Technical white papers, research summaries, and grant proposal support

Training sessions and code walkthroughs for in-house engineering teams

Tools and frameworks quantum computing freelancers use

The quantum software stack has matured rapidly, and a competent quantum computing consultant should be fluent across multiple SDKs and cloud platforms. Look for hands-on experience with the tooling closest to your target hardware.

Qiskit from IBM for circuit construction, transpilation, and access to IBM Quantum backends

Cirq from Google for NISQ-era research and integration with TensorFlow Quantum

PennyLane for differentiable quantum programming and quantum machine learning

Amazon Braket for multi-vendor hardware access including IonQ, Rigetti, and QuEra

Microsoft Q# and the Azure Quantum stack for resource estimation and topological algorithm research

Classical scientific tooling such as Python, NumPy, SciPy, PyTorch, and Jupyter notebooks for hybrid workflows

OpenQASM for low-level circuit specification and cross-platform portability

Industries hiring quantum computing experts

Quantum computing is moving from pure research into pilot projects across regulated and computationally intensive industries. Use cases vary widely, so match the freelancer's domain background to your sector.

Pharmaceuticals and chemistry for molecular simulation and drug discovery using VQE

Finance for portfolio optimization, option pricing, and risk analysis with quantum Monte Carlo

Logistics and supply chain for routing and scheduling problems using QAOA

Cybersecurity and cryptography for post-quantum cryptography assessments and quantum key distribution

Aerospace, defense, and materials science research labs running early-stage feasibility studies

Academic groups, research institutes, and startups producing publications and patents

How to evaluate a quantum computing expert

Quantum computing combines theoretical depth with practical engineering. Strong candidates show academic rigor alongside demonstrable code on real hardware. Review profiles for the following signals.

Graduate-level training in physics, applied mathematics, computer science, or quantum information theory

Public repositories with quantum circuits executed on real backends, not just simulators

Published papers, preprints on arXiv, or conference talks at venues like APS March Meeting or Q2B

Familiarity with linear algebra, tensor networks, group theory, and statistical methods

Experience with at least one major SDK and one cloud quantum platform

Clear written communication for stakeholders without a physics background

Sample interview questions you can use directly:

Walk me through how you would map our optimization problem to a QAOA circuit, including the cost Hamiltonian formulation.

Which error mitigation techniques would you apply on current NISQ hardware, and how would you validate their effectiveness?

Can you describe a project where a quantum approach was not the right answer, and how you reached that conclusion?

How do you decide between a variational algorithm and a gate-based fault-tolerant approach for a given workload?

What metrics do you use to benchmark a quantum solution against a classical baseline?

Why hire quantum computing experts on Freelancer.com

Freelancer.com connects you with a global community of quantum computing experts, from PhD researchers to applied engineers with industry experience. You can review profiles, portfolios, and verified reviews to find a quantum computing consultant whose background fits your project. Clients on Freelancer.com set their own budgets and receive competitive bids, so you control scope and cost while accessing specialized expertise that is rare in local markets. With freelancers on Freelancer.com working across time zones, research timelines and project milestones can move forward continuously.

Ready to move your quantum initiative forward? Post a project on Freelancer.com today and connect with skilled quantum computing experts ready to design algorithms, run simulations, and deliver results on real quantum hardware.

What are the steps to hiring a freelance quantum computing expert?

Hiring a quantum computing specialist is straightforward when your brief clearly states the problem, the target hardware, and the deliverables you expect. The following three steps walk through posting your project, reviewing bids, and selecting the right freelancer for algorithm design, simulation, or applied research work.

Step 1: Post your project on Freelancer.com

The quality of bids you receive depends almost entirely on the clarity of your project brief. For quantum computing work, a precise description of the problem class, target SDK, and expected deliverables filters out generalists and attracts specialists who can speak directly to 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.

Describe the problem domain and whether it is optimization, simulation, machine learning, or cryptography

Specify preferred SDKs such as Qiskit, Cirq, PennyLane, or Braket SDK and any target hardware

List deliverables: source code, Jupyter notebooks, technical reports, benchmark comparisons, or presentations

Note any classical baselines, datasets, or research papers the freelancer should reference

Include timeline, milestones, and confidentiality requirements such as NDAs

Step 2: Review bids from freelancers

Bids on a quantum computing project are not just price quotes. They reveal how each freelancer interprets your problem, which algorithmic approach they would take, and how realistic their timeline is. Read proposals carefully and shortlist candidates whose technical framing matches your brief.

Look for proposals that name specific algorithms, such as VQE for chemistry or QAOA for combinatorial optimization

Check whether the freelancer raises clarifying questions about Hamiltonian formulation, qubit count, or noise tolerance

Assess timeline realism given circuit depth, hardware queue times, and benchmarking requirements

Confirm references to relevant tools, error mitigation techniques, and validation methods

Use Freelancer.com chat to request sample notebooks, prior research summaries, or short technical clarifications before shortlisting

Step 3: Evaluate freelancers and award the project

Final selection should combine proposal quality with profile evidence. For quantum computing, weigh consistency across past projects and publications rather than relying on a single impressive deliverable. The strongest candidates show repeated work on real hardware and clear written communication.

Review portfolio depth, including GitHub repositories, arXiv preprints, and published benchmarks

Check star ratings and the volume of completed projects on Freelancer.com

Read written client reviews for signals on communication, technical accuracy, and timeliness

Confirm verified payment method, completion rate, and on-time delivery rate

Award the project and use Freelancer.com Milestone Payments to release funds as deliverables are accepted, protecting both sides during the engagement

What is the difference between a quantum computing expert and a quantum software engineer?

A quantum computing expert typically covers the full spectrum of theory, algorithm design, and applied implementation, often with research credentials. A quantum software engineer focuses more narrowly on building and maintaining quantum software systems and tooling. Many freelancers combine both roles, especially on smaller projects.

Can I hire a quantum computing freelancer for a short proof of concept?

Yes. Short feasibility studies and proofs of concept are among the most common engagements, often scoped as a few weeks of work that produces a benchmark report, working circuits, and recommendations. This is a practical way to test whether a quantum approach is viable for your problem before committing to a larger initiative.

Do I need access to real quantum hardware to start a project?

Not always. Many projects begin with classical simulation using Qiskit Aer, Cirq, or PennyLane, then graduate to cloud-based hardware on IBM Quantum, AWS Braket, or Azure Quantum once circuits are validated. A good freelancer will recommend the right environment based on circuit depth, qubit count, and budget.

Should I hire a single freelancer or an agency for quantum computing work?

For research, prototyping, advisory work, and most pilot projects, a skilled individual freelancer is usually sufficient and more cost-effective. Agencies make more sense when you need a multidisciplinary team handling integration, infrastructure, and ongoing support simultaneously.

How long does a typical quantum computing project take?

Short consultations and feasibility reviews can be completed in one to two weeks. Algorithm prototyping and benchmarking projects generally run one to three months, while full research collaborations and applied implementations can extend across six months or more depending on scope and hardware availability.