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9.4
9.4
99%

Manchester, United Kingdom
$34 USD per hour
Dream Solutions is a team of highly skilled developers, designers, and technology professionals dedicated to delivering exceptional digital solutions. We combine technical expertise, creativity, and a client-focused approach to provide high-quality services and products that meet the highest industry standards. Our team has extensive experience working with a wide range of technologies, frameworks, and software stacks, enabling us to develop tailored solutions that align with our clients unique business goals. Whether it's web development, mobile applications, custom software, UI/UX design, or cloud-based solutions, we are committed to delivering reliable, scalable, and innovative results on time and within budget. At Dream Solutions, we pride ourselves on building long-term partnerships by consistently exceeding expectations through quality, efficiency, and professional excellence.

7.7
7.7
99%

Islamabad, Pakistan
$25 USD per hour
Experienced software engineer and AI specialist partnering with businesses to drive revenue growth, optimize operations, and unlock scalable efficiencies through intelligent digital solutions. Specializing in high-impact web applications, AI-driven systems, automation workflows, and custom software that enhance customer engagement, streamline processes, and deliver measurable ROI. Web Development: Frontend with React, Next.js, Vue.js, Angular, Svelte; backend via Node.js, Django, Flask, FastAPI, Nuxt.js, Remix, Astro. E-commerce platforms on Shopify, WooCommerce, Magento, BigCommerce with Stripe, PayPal, Razorpay, Square integrations. CMS including WordPress, Webflow, Ghost, Strapi, Sanity, and headless architectures. AI & Machine Learning: Frameworks like TensorFlow, PyTorch, Scikit-learn, Keras, JAX. LLMs via Hugging Face, LangChain, OpenAI GPT-4o/5o, LLaMA, Claude, Mistral. NLP for sentiment analysis, summarization, Q&A, multilingual chatbots, speech-to-text/synthesis. Computer vision with YOLO, SAM, OCR, facial recognition, object tracking, segmentation. Generative AI including Stable Diffusion, DALL·E, MidJourney API, ControlNet, upscaling, synthetic data. Automation & Data: Web scraping via Scrapy, Selenium, Playwright, Puppeteer, Apify, Crawlee. RPA with UiPath, Zapier, Make, n8n. Data science using Pandas, NumPy, Plotly, Tableau, Spark, Polars. MLOps on MLflow, Airflow, Kubeflow, SageMaker, Vertex AI, Docker, Kubernetes. Applications & Cloud: Desktop (PyQt, Electron, Tkinter); mobile (React Native, Flutter, Swift, Kotlin, PWA). Cloud/DevOps: AWS, Azure, GCP, Vercel, Netlify, Terraform, CI/CD, Nginx. Technical Skills: Python, JavaScript/TypeScript, Rust, Go, C#, Java, PHP, Bash. Tools: GitHub, Postman, Jupyter, VS Code, Figma. Delivering full-cycle development from strategy to deployment, my solutions empower data-driven decisions, cost reductions, and accelerated growth across industries. Available for collaborations scaling businesses via AI, web, and automation.

8.5
8.5
94%

BIKANER, India
$15 USD per hour
Core Techies is a software development and AI engineering company helping startups and enterprises build scalable digital products, automation systems, AI-powered solutions, and SaaS platforms. Since 2013, we have successfully delivered 200+ projects across web applications, mobile apps, backend systems, enterprise software, workflow automation, and AI-powered products. Our expertise includes: 🚀 AI Agents & AI Applications Custom AI agents, conversational AI systems, RAG applications, LLM integrations, document intelligence, and business process automation. ⚡ Workflow Automation n8n, Make.com, Zapier, CRM automation, sales workflows, operational automation, lead management, customer support automation, and system integrations. 📱 Mobile App Development Flutter, Android, iOS, React Native, Firebase-powered applications, MVP development, and enterprise mobile solutions. 💻 Web & SaaS Development React, Next.js, Node.js, Python, Java, Spring Boot, custom SaaS platforms, admin dashboards, multi-tenant systems, and enterprise applications. 🔌 API & System Integrations CRM, ERP, payment gateways, third-party APIs, cloud services, communication platforms, and business system integrations. ☁️ Cloud & DevOps AWS, Google Cloud, Docker, Kubernetes, CI/CD, deployment automation, and scalable cloud infrastructure. Our team focuses on building practical solutions that improve operations, automate workflows, reduce manual effort, and help businesses scale efficiently. Whether you need an AI-powered product, SaaS platform, mobile application, automation workflow, or enterprise software solution, we can help transform your idea into a production-ready system.

7.7
7.7
98%

karachi, Pakistan
$20 USD per hour
✅Xanvra Technologies is a technology-driven development company with 7+ years of experience, specializing in mobile app development and custom digital solutions tailored to client needs. We help startups and established businesses transform ideas into scalable, high-performance products. 🔹 Mobile App Development (Core Expertise) We build secure, scalable, and user-friendly Android & iOS applications using Flutter, custom APIs, and modern architectures—designed to solve real business problems and deliver measurable results. 🔹 Client-Centric Solution Development Every project starts with understanding your business goals. We design and develop custom solutions that improve workflows, enhance user experience, and support long-term growth. 🔹 Web & Backend Development Strong expertise in Laravel, WordPress, Shopify, PHP, JavaScript, and full-stack development, delivering reliable and maintainable systems. 🔹 UI/UX & Product Design Clean, intuitive UI/UX design, branding, and visual assets focused on usability and conversion. 🔹 E-Commerce & Integrations High-performing Shopify and WooCommerce stores with secure payment gateways and third-party integrations. 🔹 SEO, Performance & Security Optimized applications with strong security standards, SEO best practices, and scalable infrastructure. At Xanvra Technologies, we don’t just build software—we create solutions that work for your users and your business. 📩 Let’s build a mobile app or digital solution that delivers real value.

9.0
9.0
94%

PERNAMBUT, India
$18 USD per hour
Colan Infotech is an early adopter of the developing Artificial Intelligence, Machine Learning, Data Science, Data Enginnering,Java,.Net.PHP,Testing,Mobility etc. We do Software Development, Website Designing, and Smart-phone apps development. We offer services to large enterprises, Small and Medium-size companies, and software product companies. We have a well-experienced team with strong technical background and dedicated team of professionals equipped with all required offshore project development, infrastructure and also we have associated with reputed partners in software products and technology.

6.4
6.4
98%

Jaunpur, India
$25 USD per hour
I am a Software QA Engineer, Full Stack Developer, Technical Business Analyst, and WordPress Developer with 7+ years of experience helping startups, SaaS companies, agencies, and enterprises build, test, and deliver secure, scalable, and high-quality digital solutions. I bridge the gap between business requirements and technical implementation by combining software development, quality assurance, business analysis, and WordPress expertise. With hands-on experience across the complete Software Development Life Cycle (SDLC) and Software Testing Life Cycle (STLC), I support projects from requirement gathering and solution design to development, testing, deployment, optimization, and production support. Software Quality Assurance • Manual & Automation Testing • Functional, Regression, Smoke & Sanity Testing • End-to-End & Integration Testing • API & Database Testing • Mobile App Testing • Cross-Browser & Cross-Platform Testing • Performance & Load Testing • Security & Penetration Testing • User Acceptance Testing (UAT) • AI & LLM Testing Test Automation • Playwright • Cypress • Selenium WebDriver • API Automation • CI/CD Test Automation • Test Framework Development Full Stack Development • Custom Web Applications • Mobile App Development • SaaS Platform Development • React.js • JavaScript & TypeScript • Python (FastAPI & Flask) • Node.js & Express.js • Java & Spring Boot • REST APIs & Microservices • SQL, MySQL, PostgreSQL & MongoDB • Authentication & Third-Party API Integration WordPress Development • Custom WordPress Websites • WooCommerce Development • Elementor & Gutenberg • Theme & Plugin Customization • Custom Plugin Development • Website Migration • Speed Optimization • Security Hardening • SEO Optimization • Website Maintenance & Technical Support Technical Business Analysis • Requirement Gathering • BRD, FRD & PRD Documentation • User Stories & Acceptance Criteria • Process Mapping • Product Discovery • Gap Analysis • Stakeholder Management • UAT Planning • Agile & Scrum Tools & Technologies Development: React.js, WordPress, PHP, JavaScript, TypeScript, Python, FastAPI, Node.js, Java, Spring Boot Testing: Playwright, Cypress, Selenium, Postman, Swagger, BrowserStack, JMeter Project Management: Jira, Azure DevOps, Confluence, Trello, ClickUp Database: SQL, MySQL, PostgreSQL, MongoDB Analytics: Google Analytics 4 (GA4), Mixpanel, Hotjar, Microsoft Clarity Domain Expertise • SaaS Platforms • Enterprise Software • WordPress & WooCommerce • CRM & ERP Systems • E-commerce • FinTech • Healthcare • EdTech • Logistics • AI & Generative AI Applications What I Deliver ✔ Full Stack & WordPress Development ✔ Manual & Automation Testing ✔ REST APIs & Database Solutions ✔ Business & Technical Documentation ✔ Agile Project Collaboration ✔ Performance & Security Optimization ✔ Production Support & Maintenance ✔ Secure, Scalable & Reliable Software
5.7
5.7
97%

Perth, Australia
$50 USD per hour
I provide complete IT services tailored to modern business needs, with a strong focus on Blockchain development, Artificial Intelligence, Machine Learning, Big Data, Web and Mobile app development, E-commerce platforms, and custom software solutions. I specialize in blockchain technologies including DEXs, DApps, NFTs, Web3, smart contracts, and DeFi applications across platforms like Ethereum, BSC, and Polygon. For web and mobile development, I work with Java, Python, PHP, and top JavaScript frameworks such as React.js, Node.js, Angular, and Vue.js—alongside mobile technologies like Flutter and React Native. My e-commerce solutions are built on platforms like WooCommerce, Shopify, and Magento, while my AI and machine learning services leverage tools such as TensorFlow and AWS to create intelligent, data-driven systems. If you're looking for secure blockchain integration, modern web and mobile development, scalable e-commerce systems, or custom AI-driven software, I’m here to help turn your ideas into powerful digital products.

3.1
3.1
97%

ujjain, India
$3 USD per hour
I am a professional Full Stack Developer and Graphic Designer with experience in Website Development, Flutter Mobile App Development, .NET ERP/CRM Systems, and Creative Graphic Design. I work with startups, businesses, and entrepreneurs to build powerful digital products that help them grow online and manage their business operations efficiently. 🔹 My Services • Custom Website Development • Flutter Mobile App Development (Android & iOS) • .NET Based ERP & CRM Systems • Business Management Software • UI/UX Design for Web and Mobile • Professional Graphic Design & Branding 💻 Website Development I develop modern, responsive, and secure websites that help businesses build a strong online presence. • Business and company websites • Portfolio and personal websites • Startup and service websites • Dynamic database-driven websites • Admin panels and dashboards • Landing pages and marketing pages • Responsive design for mobile, tablet, and desktop • API integration and third-party services • Website performance optimization • Bug fixing and website improvement • Website maintenance and technical support My goal is to create fast, responsive, SEO-friendly, and user-focused websites. 📱 Flutter Mobile App Development I build high-performance cross-platform mobile apps using Flutter that work smoothly on both Android and iOS devices. • Custom mobile application development • Business and service apps • E-commerce mobile apps • Clean and modern mobile UI/UX • REST API integration • Firebase integration • Login and authentication systems • Push notifications • App performance optimization • Testing, debugging, and deployment • App updates and long-term maintenance 🏢 .NET ERP & CRM Development I develop customized ERP and CRM systems that help businesses automate operations and manage their data effectively. • ERP systems for business management • Customer Relationship Management (CRM) platforms • Inventory and stock management systems • Billing and invoicing software • Accounting and financial management modules • Employee and HR management systems • Reports and analytics dashboards • Workflow automation systems • Secure database management • Integration with existing software and services 🎨 Graphic Design In addition to development, I also provide professional graphic design services to build strong brand identity. • Logo design and brand identity • Social media posts and graphics • Marketing banners and advertisements • Business cards and stationery design • Brochures, flyers, and posters • Website UI design • Mobile app UI design • Branding materials and digital assets 🛠 Technologies & Tools • Flutter / Dart • ASP.NET / .NET Core • C# Programming • SQL Server / MySQL • HTML / CSS / JavaScript • REST APIs and Web Services • Firebase and Cloud Integration • Git Version Control • Adobe Photoshop • Adobe Illustrator • Figma UI/UX Design

4.6
4.6
100%

Hasilpur, Pakistan
$25 USD per hour
Hi, I'm Mirza — also known as LGFF. I bring a unique blend of creativity, precision, and dedication to every project I take on. Whether you're a startup, a growing business, or an established brand, I’m here to deliver real value, unmatched quality, and lasting results — all tailored to your needs. 🔍 What I Can Help You With: - Web Development - Web Optimization - Wordpress -QA & Usability Testing -UI/UX Feedback & Testing -Website & Web App Testing -C++ Development -Google App Script & Spreadsheet Macros -Software Testing & Functional Analysis -Data Entry & Automation (MS Word, Google Sheets) -Web & Video Research -Data Scraping & Lead Generation -Business Assistance & Website Analytics -Game Testing & Gaming Support -Voice Dubbing 🌟 Why Work With Me? Unlimited Revisions – Your satisfaction matters. 100% Quality Assurance – Every detail is double-checked. Timely Delivery – You get what you need, when you need it. Clear Communication – Every step is transparent. A Friendly & Professional Approach – Warm collaboration with a results-driven mindset. Let’s turn your vision into something remarkable. Whether you're looking to enhance a digital product, streamline workflows, or explore new opportunities, I’m ready to partner with you and deliver with impact. 📩 Reach out today – and let’s make something amazing together.
A Model Testing & Optimization Engineer is a machine learning specialist who validates, benchmarks, and tunes predictive models to improve accuracy, efficiency, and production reliability. These engineers sit at the intersection of data science and MLOps, ensuring models perform as expected before and after deployment. Hiring a skilled model testing and optimization engineer protects your business from silent model failures, biased predictions, and costly inference overhead.
A model testing and optimization engineer takes a trained machine learning model and pushes it through rigorous evaluation, debugging, and tuning until it meets production-grade quality bars. Their work directly affects business KPIs: a poorly tested model can produce wrong predictions at scale, while an unoptimized model can burn through compute budgets and slow user-facing applications.
Typical deliverables include test suites, benchmarking reports, optimized model artifacts, and documentation that engineering and compliance teams can rely on. The output is not just a faster or more accurate model, but a defensible record of why it performs the way it does.
Strong candidates are fluent in the modern machine learning stack and can move between training frameworks, optimization runtimes, and experiment tracking platforms without friction. Tool proficiency is one of the clearest signals of real-world experience.
Model testing and optimization expertise is critical wherever machine learning models reach end users or regulated decisions. The work spans almost every sector that has adopted predictive systems.
The best model testing and optimization engineers combine deep machine learning theory with hands-on production experience. Look for portfolios that show measurable improvements, not just model demos.
Useful interview questions to copy and use:
Freelancer.com gives you direct access to a global pool of machine learning engineers, MLOps practitioners, and data scientists who specialize in evaluation and optimization work. You can compare candidates from different time zones, technical backgrounds, and industry specialties on a single platform, which is particularly useful for niche skills like ONNX optimization or fairness auditing.
Clients on Freelancer.com set their own budgets and receive competitive bids from vetted freelancers, with profile ratings, verified reviews, and Milestone Payments providing a clear safety net. Whether you need a one-time benchmarking report or an ongoing optimization partner, you can hire on Freelancer.com without committing to a long-term agency contract.
Ready to validate, benchmark, and optimize your machine learning models with proven specialists?
Hiring the right machine learning engineer for testing and optimization work comes down to writing a precise brief, reading proposals carefully, and verifying past results. The process below walks through how to attract qualified bids and award the project with confidence.
Your project post is the single biggest determinant of bid quality. A clear, specific brief filters out generic applicants and attracts engineers whose experience matches your model type, framework, and optimization goals. Head to the
Bids are short proposals, not just price quotes. A strong proposal from a model testing and optimization engineer will reference your specific model type, suggest a concrete evaluation or optimization approach, and ask sharp clarifying questions about your data and deployment target. Read each bid carefully and shortlist the candidates who clearly understood the brief.
The final decision combines proposal quality with profile evidence. Look for consistency across multiple completed projects rather than one impressive demo, and weigh written client reviews as heavily as star ratings. For optimization work, you want proof that the freelancer has shipped measurable performance gains before.
A data scientist typically focuses on building models from raw data, while a model testing and optimization engineer takes existing models and validates, benchmarks, and tunes them for production. The roles overlap, but optimization engineers spend more time on inference performance, robustness testing, and MLOps tooling than on initial feature engineering.
Yes. Many clients hire for specific engagements such as auditing a model before launch, reducing inference cost on a deployed model, or building an automated evaluation pipeline. Freelancer.com supports both fixed-price and hourly arrangements, so you can scope the work narrowly without committing to a retainer.
Simple benchmarking and hyperparameter tuning engagements often complete within a couple of weeks, while full optimization projects involving quantization, hardware-specific tuning, and regression test suites can run longer. Timelines depend on model complexity, target hardware, and the depth of testing required.
In most cases, yes. The engineer will need access to your model artifact, representative validation data, and ideally the training pipeline to reproduce results. If data is sensitive, you can share anonymized samples or work through secure environments agreed in the project terms.
For focused, technically defined work, a specialist freelancer is usually faster and more cost-effective than an agency. Agencies make more sense when the project also requires data engineering, infrastructure provisioning, and product management at scale.

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