Browse Freelancers
Node.JS
Expert in: Python, MySQL, WordPress + 25 more
I build AI-powered full-stack applications that solve real business problems — from intelligent voice agents and CRM systems to algorithmic trading bots processing millions of data points. With 7+ years of production experience across Python, Node.js, React, Django, Laravel, and Flutter, I bring deep expertise in LLM integration, machine learning, reinforcement learning, computer vision, and database architecture.
I've built an AI-powered real estate SaaS platform, crypto trading systems using reinforcement learning, cross-platform mobile apps, decentralized exchanges, and SEO-optimized web applications for clients across North America and Europe.
Whether you need an AI-integrated web app, a custom CRM, a mobile app, database optimization, or technical SEO — I ship fast, communicate clearly, and treat every project like my own product.
Based in Calgary, Canada. Available for remote projects worldwide.…I build AI-powered full-stack applications that solve real business problems — from intelligent voice agents and CRM systems to algorithmic trading bots processing millions of data points. With 7+ years of production experience across Python, Node.js, React, Django, Laravel, and Flutter, I bring deep expertise in LLM integration, machine learning, reinforcement learning, computer vision, and database architecture.
I've built an AI-powered real estate SaaS platform, crypto trading systems using reinforcement learning, cross-platform mobile apps, decentralized exchanges, and SEO-optimized web applications for clients across North America and Europe.
Whether you need an AI-integrated web app, a custom CRM, a mobile app, database optimization, or technical SEO — I ship fast, communicate clearly, and treat every project like my own product.
Based in Calgary, Canada. Available for remote projects worldwide.WWWW…
More info Expert in: Bootstrap, Kotlin, WordPress + 19 more
As an entrepreneur by heart and having strategic thinking with strong business acumen. Engage with startups & enterprises in converting their ideas to an intuitive & high performing digital application. I worked my way to establish my own software development company - Savvient Technologies.
We are a fully custom Software development firm that is focused on digitally transforming our client's business. We achieve this transformation through our vast domain knowledge, wide industry expertise, and deep understanding of technologies/frameworks. As an expert team of iOS, Android, Web Applications with skills in Web development and SEO/SEM/SMM/SMO as well. Due to years of expertise and skills in the technology area, we are able to achieve a remarkable place in APPs creation Web portals and Marketing.
We are your Mobile app partner to help develop your idea, design, and develop your App as well as publish and market your app so that it can be noticed in a crowded world of Mobile Apps. Our years of digital marketing experience makes us a unique partner that can put you on the fast track to realizing your App dream.
Specialties: Mobile applications, Cloud-based solutions, PaaS, SaaS, Enterprise Content Management, Business Process Management, Work Flow, Web technologies, Integrated Solutions, Customer Relationship Management, Social Media, Project Management, Consultancy Services, Enterprise Architecture (IT), Web solutions, eCommerce & blockchain.
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Warm and enthusiastic, I will be your great supporter in taking your business to the next level.
✅ Schedule a 30-minute call to break the ice: https://calendly.com/harsh_savvient/30min…As an entrepreneur by heart and having strategic thinking with strong business acumen. Engage with startups & enterprises in converting their ideas to an intuitive & high performing digital application. I worked my way to establish my own software development company - Savvient Technologies.
We are a fully custom Software development firm that is focused on digitally transforming our client's business. We achieve this transformation through our vast domain knowledge, wide industry expertise, and deep understanding of technologies/frameworks. As an expert team of iOS, Android, Web Applications with skills in Web development and SEO/SEM/SMM/SMO as well. Due to years of expertise and skills in the technology area, we are able to achieve a remarkable place in APPs creation Web portals and Marketing.
We are your Mobile app partner to help develop your idea, design, and develop your App as well as publish and market your app so that it can be noticed in a crowded world of Mobile Apps. Our years of digital marketing experience makes us a unique partner that can put you on the fast track to realizing your App dream.
Specialties: Mobile applications, Cloud-based solutions, PaaS, SaaS, Enterprise Content Management, Business Process Management, Work Flow, Web technologies, Integrated Solutions, Customer Relationship Management, Social Media, Project Management, Consultancy Services, Enterprise Architecture (IT), Web solutions, eCommerce & blockchain.
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Warm and enthusiastic, I will be your great supporter in taking your business to the next level.
✅ Schedule a 30-minute call to break the ice: https://calendly.com/harsh_savvient/30minWWWW…
More info Expert in: Illustration, Figma, WordPress + 12 more
Hi! I'm Trang, a passionate digital and traditional artist with a focus on UX/UI design and illustration. I love creating visually engaging art and teaching young artists the joy of creativity. I believe in the power of storytelling through visuals and aim to inspire others through my work.…Hi! I'm Trang, a passionate digital and traditional artist with a focus on UX/UI design and illustration. I love creating visually engaging art and teaching young artists the joy of creativity. I believe in the power of storytelling through visuals and aim to inspire others through my work.WWWW…
More info Expert in: React Native, GraphQL, JavaScript + 8 more
Hi there! I’m Naing Lynn Kun, a Senior Mobile Engineer focused on React Native and cross-platform mobile platforms. I own the mobile architecture and technical direction, helping teams ship safely even as APIs and contracts evolve. I enjoy crafting clean, scalable patterns and collaborating closely with product, design, and backend engineers to deliver high-quality features at scale.
I thrive in ambiguous, fast-paced environments and mentor teammates to boost velocity and craft. My approach blends pragmatic engineering decisions with a strong eye for maintainability, testability, and user experience, whether chasing rapid iterations or long-term stability.…Hi there! I’m Naing Lynn Kun, a Senior Mobile Engineer focused on React Native and cross-platform mobile platforms. I own the mobile architecture and technical direction, helping teams ship safely even as APIs and contracts evolve. I enjoy crafting clean, scalable patterns and collaborating closely with product, design, and backend engineers to deliver high-quality features at scale.
I thrive in ambiguous, fast-paced environments and mentor teammates to boost velocity and craft. My approach blends pragmatic engineering decisions with a strong eye for maintainability, testability, and user experience, whether chasing rapid iterations or long-term stability.WWWW…
More info Expert in: JavaScript, Laravel, API + 9 more
Hi! I'm a Senior Software Engineer with over 6 years of experience specializing in building scalable web platform solutions using Laravel, JavaScript, and cloud-based technologies. I have a passion for driving innovation and enjoy leading projects from start to finish while delivering measurable results. With a background in e-commerce, ERP, IoT, and SaaS domains, I'm always excited to tackle new challenges and improve user experiences.
I love leveraging modern tools and frameworks like Vue.js, ReactJS, AngularJS, and Azure to create efficient and user-friendly applications. Whether it's developing APIs, setting up CI/CD pipelines, or integrating AI features, I take pride in crafting robust and scalable software that meets business needs.…Hi! I'm a Senior Software Engineer with over 6 years of experience specializing in building scalable web platform solutions using Laravel, JavaScript, and cloud-based technologies. I have a passion for driving innovation and enjoy leading projects from start to finish while delivering measurable results. With a background in e-commerce, ERP, IoT, and SaaS domains, I'm always excited to tackle new challenges and improve user experiences.
I love leveraging modern tools and frameworks like Vue.js, ReactJS, AngularJS, and Azure to create efficient and user-friendly applications. Whether it's developing APIs, setting up CI/CD pipelines, or integrating AI features, I take pride in crafting robust and scalable software that meets business needs.WWWW…
More info Expert in: Logo, WordPress, Web Design + 19 more
I'm an entrepreneur and product strategist with 15+ years of experience building, scaling, and supporting digital products across SaaS, marketplaces, eCommerce, Web3, Government, mobile apps, internal software, and education technology. I have a strong foundation in UX/UI, full-stack development, and technical architecture, with hands-on experience in WordPress, Node.js, React, Next.js, React Native, MongoDB, PHP, Laravel, Java, .NET, and more.
I specialize in planning and building CMS systems, 3rd-party API integrations, and designing scalable websites that sustain long-term growth. I built and sold a SaaS technology company and now partner with founders and growth-minded businesses to turn ideas into high-impact, scalable digital products.…I'm an entrepreneur and product strategist with 15+ years of experience building, scaling, and supporting digital products across SaaS, marketplaces, eCommerce, Web3, Government, mobile apps, internal software, and education technology. I have a strong foundation in UX/UI, full-stack development, and technical architecture, with hands-on experience in WordPress, Node.js, React, Next.js, React Native, MongoDB, PHP, Laravel, Java, .NET, and more.
I specialize in planning and building CMS systems, 3rd-party API integrations, and designing scalable websites that sustain long-term growth. I built and sold a SaaS technology company and now partner with founders and growth-minded businesses to turn ideas into high-impact, scalable digital products.WWWW…
More info Expert in: Android, Dart, Flutter + 7 more
I'm a polyglot Software Engineer with over 12 years of experience building software and technology used by millions globally. I have experience building greenfield products for startups as well as contributing new features to already shipped products.
I have experience building different kinds of applications: ride-hailing and mobility applications, e-commerce applications, dating applications, last mile delivery applications, land mapping applications to mention a few.
My super power comes not just from my technical ability but also from my deep understanding of business needs and how to translate them into products and features that ultimately drive business growth. This gives my clients the feeling of not just another freelancer but a technical team member.…I'm a polyglot Software Engineer with over 12 years of experience building software and technology used by millions globally. I have experience building greenfield products for startups as well as contributing new features to already shipped products.
I have experience building different kinds of applications: ride-hailing and mobility applications, e-commerce applications, dating applications, last mile delivery applications, land mapping applications to mention a few.
My super power comes not just from my technical ability but also from my deep understanding of business needs and how to translate them into products and features that ultimately drive business growth. This gives my clients the feeling of not just another freelancer but a technical team member.WWWW…
More info Expert in: Freelance Gig, PHP, PostgreSQL + 14 more
I'm a Senior Software Engineer with 20+ years of experience turning complex problems into reliable, scalable software. I've built across finance, e-commerce, IoT, and logistics, rescuing legacy systems, boosting performance, and shipping features that move the needle for businesses and customers. My core strengths are backend development with PHP (Laravel, Magento, Symfony) and Node.js (NestJS, Express), backed by solid database design with PostgreSQL, MySQL, and NoSQL. I also bring DevOps and CI/CD discipline and I'm comfortable deploying in AWS. On the frontend, I've worked with React and Vue to ensure smooth, user-friendly experiences.
I lead architecture and delivery for startups and enterprises, balancing pragmatic engineering with strong collaboration. I enjoy modernizing data platforms, building scalable services, and delivering solutions that are reliable, observable, and secure. I value clear communication, continuous learning, and shipping features that genuinely improve business outcomes for customers and partners.…I'm a Senior Software Engineer with 20+ years of experience turning complex problems into reliable, scalable software. I've built across finance, e-commerce, IoT, and logistics, rescuing legacy systems, boosting performance, and shipping features that move the needle for businesses and customers. My core strengths are backend development with PHP (Laravel, Magento, Symfony) and Node.js (NestJS, Express), backed by solid database design with PostgreSQL, MySQL, and NoSQL. I also bring DevOps and CI/CD discipline and I'm comfortable deploying in AWS. On the frontend, I've worked with React and Vue to ensure smooth, user-friendly experiences.
I lead architecture and delivery for startups and enterprises, balancing pragmatic engineering with strong collaboration. I enjoy modernizing data platforms, building scalable services, and delivering solutions that are reliable, observable, and secure. I value clear communication, continuous learning, and shipping features that genuinely improve business outcomes for customers and partners.WWWW…
More info Expert in: Solidity, TypeScript, Ethers.js + 11 more
I'm a senior full-stack blockchain developer from Turkey with 4+ years of professional experience building production-grade Web3 applications across DeFi, NFT marketplaces, and Telegram MiniApps. I specialize in Solidity and TON/Tact smart contract development with comprehensive testing using Foundry and Hardhat, and I excel at Ethereum/EVM integration and multi-stack frontend/backend development using Next.js, NestJS, React, and Ethers.js.
I secured government funding (TÜBİTAK) for blockchain R&D and speak on Web3 topics at conferences. I’ve architected and deployed numerous microservice ecosystems and led projects from concept to production while prioritizing security, performance, and reliability.…I'm a senior full-stack blockchain developer from Turkey with 4+ years of professional experience building production-grade Web3 applications across DeFi, NFT marketplaces, and Telegram MiniApps. I specialize in Solidity and TON/Tact smart contract development with comprehensive testing using Foundry and Hardhat, and I excel at Ethereum/EVM integration and multi-stack frontend/backend development using Next.js, NestJS, React, and Ethers.js.
I secured government funding (TÜBİTAK) for blockchain R&D and speak on Web3 topics at conferences. I’ve architected and deployed numerous microservice ecosystems and led projects from concept to production while prioritizing security, performance, and reliability.WWWW…
More info Expert in: Docker, JavaScript, Github + 19 more
Hi, I’m Bastian Bührig, a software developer and IT consultant with over 20 years of experience building modern software solutions. I specialize in Go (Golang), Java, Node.js, and TypeScript, with a strong focus on backend development, cloud architectures, and DevOps. I enjoy turning complex problems into robust, scalable services and collaborating with cross-functional teams. In addition to backend, I work extensively on frontend with React and Angular, and I’m comfortable across cloud platforms (AWS, GCP, Azure) and containerization with Docker and Kubernetes. I’m passionate about testing, observability (OpenTelemetry, Grafana), and secure authentication (Keycloak).…Hi, I’m Bastian Bührig, a software developer and IT consultant with over 20 years of experience building modern software solutions. I specialize in Go (Golang), Java, Node.js, and TypeScript, with a strong focus on backend development, cloud architectures, and DevOps. I enjoy turning complex problems into robust, scalable services and collaborating with cross-functional teams. In addition to backend, I work extensively on frontend with React and Angular, and I’m comfortable across cloud platforms (AWS, GCP, Azure) and containerization with Docker and Kubernetes. I’m passionate about testing, observability (OpenTelemetry, Grafana), and secure authentication (Keycloak).WWWW…
More info Expert in: React JS, JavaScript, CSS + 7 more
I'm Parisa Ghasemi, a Front-End Engineer with 5+ years of experience building modern, scalable, and high-performance web applications for digital platforms serving millions of users. I'm skilled in React, TypeScript, and Git, with a strong focus on modular architecture, accessibility, and performance optimization.
I thrive in cross-functional teams, CI/CD environments, and contributing to design systems that ensure reusability and brand consistency across large-scale products. I enjoy crafting responsive, accessible UI components and driving front-end excellence from concept to production. Currently, I work as a freelance Front-End Engineer, building React/Next.js apps and reusable UI components, and I have previously led frontend features for Filimo at SabaIdeaCo and designed fintech web interfaces at Arosis.…I'm Parisa Ghasemi, a Front-End Engineer with 5+ years of experience building modern, scalable, and high-performance web applications for digital platforms serving millions of users. I'm skilled in React, TypeScript, and Git, with a strong focus on modular architecture, accessibility, and performance optimization.
I thrive in cross-functional teams, CI/CD environments, and contributing to design systems that ensure reusability and brand consistency across large-scale products. I enjoy crafting responsive, accessible UI components and driving front-end excellence from concept to production. Currently, I work as a freelance Front-End Engineer, building React/Next.js apps and reusable UI components, and I have previously led frontend features for Filimo at SabaIdeaCo and designed fintech web interfaces at Arosis.WWWW…
More info Expert in: C#, Unity, Unity 3D + 16 more
I am a results-driven Unity and C# developer with over 14 years of experience architecting and delivering high-quality, multi-platform software, games, simulations, and interactive applications. I combine strong technical expertise with a creative and analytical mindset to design scalable systems, optimize performance, and enhance user experiences.
As a proven leader, I guide cross-functional teams, streamline production pipelines, and bring innovative gameplay and software concepts from prototype to launch. I thrive on building robust networking, modular architectures, and engaging experiences across mobile, desktop, VR, and console platforms.…I am a results-driven Unity and C# developer with over 14 years of experience architecting and delivering high-quality, multi-platform software, games, simulations, and interactive applications. I combine strong technical expertise with a creative and analytical mindset to design scalable systems, optimize performance, and enhance user experiences.
As a proven leader, I guide cross-functional teams, streamline production pipelines, and bring innovative gameplay and software concepts from prototype to launch. I thrive on building robust networking, modular architectures, and engaging experiences across mobile, desktop, VR, and console platforms.WWWW…
More info Expert in: C#, JavaScript, .NET + 11 more
I am Mukul Mondal, a results-driven software professional with around 15 years of experience spanning software development, cloud architecture, DevOps, and data science. I have led small to mid-size teams, designed and implemented scalable Azure-based solutions, and delivered end-to-end projects across Linux/C++ core processing, .NET stacks, and modern web technologies. I thrive on solving complex problems, optimizing performance, and delivering robust, maintainable systems that meet business goals.
Currently, I am pursuing an MS in AI & ML at Colorado State University and completing MIT’s Applied Data Science program. I am passionate about turning data into actionable insights, building ML-enabled features, and streamlining data pipelines. I enjoy working in Agile environments and collaborating across cross-functional teams to drive impactful results.…I am Mukul Mondal, a results-driven software professional with around 15 years of experience spanning software development, cloud architecture, DevOps, and data science. I have led small to mid-size teams, designed and implemented scalable Azure-based solutions, and delivered end-to-end projects across Linux/C++ core processing, .NET stacks, and modern web technologies. I thrive on solving complex problems, optimizing performance, and delivering robust, maintainable systems that meet business goals.
Currently, I am pursuing an MS in AI & ML at Colorado State University and completing MIT’s Applied Data Science program. I am passionate about turning data into actionable insights, building ML-enabled features, and streamlining data pipelines. I enjoy working in Agile environments and collaborating across cross-functional teams to drive impactful results.WWWW…
More info Expert in: C++, Swift, iOS + 18 more
I’m a passionate iOS/macOS/Android engineer who turns ideas into user-friendly apps using SwiftUI, MVVM, Core Data, Firebase, React Native, and JavaScript. I focus on seamless Apple experiences and have shipped projects from a macOS invoice manager to AI-driven tools.
I also build cross-platform apps with Flutter/Firebase and modern web apps with the MERN stack (MongoDB, Express.js, React, Node.js) including dashboards, APIs, and admin portals. With a background in web development and teaching assembly language and operating systems, I bring a diverse skill set to the table and look forward to contributing my expertise to your company.…I’m a passionate iOS/macOS/Android engineer who turns ideas into user-friendly apps using SwiftUI, MVVM, Core Data, Firebase, React Native, and JavaScript. I focus on seamless Apple experiences and have shipped projects from a macOS invoice manager to AI-driven tools.
I also build cross-platform apps with Flutter/Firebase and modern web apps with the MERN stack (MongoDB, Express.js, React, Node.js) including dashboards, APIs, and admin portals. With a background in web development and teaching assembly language and operating systems, I bring a diverse skill set to the table and look forward to contributing my expertise to your company.WWWW…
More info Expert in: Flutter, Dart, JavaScript + 14 more
I’m a Mobile Application Developer specializing in Flutter and AI-powered mobile solutions, with experience building high-performance cross-platform applications. I focus on creating scalable, clean, and user-friendly apps using Flutter, Dart, and modern mobile architectures such as MVVM and Clean Architecture.
My core expertise includes Flutter development, REST API integration, authentication systems (OAuth/JWT), state management (Provider/Riverpod), and backend integration with Firebase and Node.js. I also have experience integrating AI and Machine Learning features into mobile applications to create intelligent and impactful user experiences.
What differentiates me from other developers is my ability to combine strong mobile development skills with AI/ML integration and scalable backend systems, allowing me to deliver complete, production-ready solutions. I focus on writing clean, maintainable code and building applications that are optimized for performance and real-world use.
Employment and project experience
Mobile Developer & AI/ML Developer – Tech Hunters
April 2024 – Present
Mobile & Web Developer (Freelancer) – Freelancer.com
January 2025 – January 2026
Mobile Application Developer – The 4 Loop
August 2025 – October 2025…I’m a Mobile Application Developer specializing in Flutter and AI-powered mobile solutions, with experience building high-performance cross-platform applications. I focus on creating scalable, clean, and user-friendly apps using Flutter, Dart, and modern mobile architectures such as MVVM and Clean Architecture.
My core expertise includes Flutter development, REST API integration, authentication systems (OAuth/JWT), state management (Provider/Riverpod), and backend integration with Firebase and Node.js. I also have experience integrating AI and Machine Learning features into mobile applications to create intelligent and impactful user experiences.
What differentiates me from other developers is my ability to combine strong mobile development skills with AI/ML integration and scalable backend systems, allowing me to deliver complete, production-ready solutions. I focus on writing clean, maintainable code and building applications that are optimized for performance and real-world use.
Employment and project experience
Mobile Developer & AI/ML Developer – Tech Hunters
April 2024 – Present
Mobile & Web Developer (Freelancer) – Freelancer.com
January 2025 – January 2026
Mobile Application Developer – The 4 Loop
August 2025 – October 2025WWWW…
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