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Hire the best API Integration Freelancers in Lisbon, PT

Check out API Integration Freelancers in Lisbon, PT with the skills you need for your next job.
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  • $60 hourly
    • 5.0/5
    • (28 jobs)
    🏆 Top Rated React developer 🏆 6+ years of professional work experience 🏆 25+ successful projects 🏆 3000+ hours on Upwork 🏆 100% client satisfaction rating. Specialized in developing Web, Mobile and Hybrid applications. Experienced in working in both corporate and startup environments. Technical Summary; • Languages: JavaScript, TypeScript, HTML, CSS • Web Frameworks: NextJS, React (CRA), Gatsby • Mobile Technologies: ReactNative, Expo, • Design Frameworks: TailwindCSS, Styled-Components, SASS, Material-UI • Headless CMS: Sanity.io, Strapi, Netlify, Prismic • Other Tools: Redux, ContextAPI, Firebase, Supabase • Database: Firestore, Supabase, MongoDB, PostgreSQL • SDLC: Waterfall, Iterative, Agile (Scrum) • Version Control: Git, Bitbucket, GitLab Let's build a fast, scalable app, and grow your business together!
    Featured Skill API Integration
    Redux
    Web Application
    Tailwind CSS
    Firebase
    Git
    Web3
    React Native
    Gatsby.js
    Next.js
    React
    Ecommerce Website
    HTML5
    TypeScript
    JavaScript
  • $250 hourly
    • 5.0/5
    • (102 jobs)
    🎁 FREE 3O MINUTE CONSULTATION | 🏆TOP 1% EXPERT VETTED ON UPWORK | 🥇CERTIFIED MONDAY.COM & MAKE.COM PARTNER Investing in the right technology is just the beginning. Implementing it perfectly? That's where I come in. Hey, I'm Keenan and over the past four years, I have helped 100+ companies achieve their dream workflows by implementing monday.com and integrating other popular web apps. My partnership with monday.com runs deep, and I ensure that I remain a top partner with the highest quality of service by constantly upgrading my knowledge to align with best practices. I live and breathe monday.com, which means attending the partner summit for 3 years in a row, constantly joining webinars and workshops hosted by monday.com, being an active member in the partner community, and getting new certifications from their training academy. The benefits of working with me as a certified partner are endless; for example, I can get a free seat for myself in your account and help you negotiate the best deal with monday.com for the enterprise plan. My company, Workiflow LLC, is incorporated in the US and has official monday.com partnership status. Although monday.com is my core focus and partnership, that's not all I do, I am also a make.com and Zapier partner, so i can build out advanced integrations between monday.com and any other apps that your company uses. Using make.com and unlocking the power of monday.com API, I can help overcome any limitations you are facing with native monday.com automations. If you need something really custom for your company, I am also profecient in the monday SDK, so i can build custom board views, item views, dashboard widgets, or even a full on app that can be sold on the monday.com marketplace. With years of experience working with monday.com users, I have also become proficient in many other apps that business use such as: Make.com and Zapier for API integrations Quickbooks, Stripe and Xero for accounting Pandadoc and Docusign for document creation and E signing Jotform and Typeform for form building Shopify and Woocommerce for Ecommerce Chat GPT and Google Bard for AI automations and integrations Asana, Airtable, Smartsheets and Clickup for project, data and task management Mailchimp and Constant Contact for marketing automations Linkedin and Facebook for lead generation and social media management and many more! Whatever it is your business needs to achieve your dream workflow, I have got you covered. Reach out to me for a free consultation, and I promise you won't be disappointed. I am looking forward to meeting you!
    Featured Skill API Integration
    Zapier
    Make.com
    Automation
    CRM Software
    Remote IT Management
    Customer Relationship Management
    Software Integration
    Project Scheduling
    Human Resources Consulting
    API
    Project Management Office
    Specifications
  • $40 hourly
    • 5.0/5
    • (24 jobs)
    Hey there 👋 Passionate techie here, diving headfirst into development for 10 years, fuelled by coffee and a love for code. I make it my mission to craft intuitive user interfaces, performance-driven solutions, and elegant code. My playground is .NET Core, Node.js, React, React Native, LLMs, Agentic AI, and more. I believe in transparency, so I expect detailed task lists and updates. Deadlines are sacred and clean, and I excel at maintainable code. Are you looking for a partner to create digital magic? Let's connect and transform your vision into reality!
    Featured Skill API Integration
    AI Agent Development
    Machine Learning
    Mobile App Development
    Artificial Intelligence
    Node.js
    Mobile App
    React Native
    iOS
    Android
    React
    HTML
    API
    Web Development
    JavaScript
  • $25 hourly
    • 5.0/5
    • (3 jobs)
    🔹 6+ Years Experience | 100% Job Success 🔹 Scalable Web Apps | AI Chatbots | Custom MVPs | SaaS Development Hello! I'm Shahzad Ali Khan, a seasoned Full Stack Developer with over 6 years of experience building high-performance web applications, AI-powered tools, and scalable cloud solutions. I specialize in the MERN stack and modern AI integrations that automate, optimize, and elevate digital experiences. I've had the privilege to work with a wide range of startups and enterprises across the globe, from MVP launches to full-blown SaaS platforms. As a client-first developer, I focus on building secure, scalable, and intelligent systems that solve real business problems. ✅ What I Do Best 🧱 Full Stack Development (MERN): • React.js, Next.js, SvelteKit, Nuxt.js and Vue.js for blazing-fast UIs • Node.js & Express for REST APIs and backend logic • MongoDB schema design, Mongoose, and performance tuning • Real-time features using Socket.io and WebSockets • Firebase, JWT, OAuth for secure authentication 🧠 AI & LLM Integrations: Custom Chatbots using OpenAI / GPT-4 / Langchain Semantic Search with Vector DBs (Pinecone, Weaviate, ChromaDB) AI-enhanced SaaS tools (summarization, classification, decision engines) Agent-based workflows and AI automation pipelines ⭐ Why Clients Choose Me - Clear, prompt communication and proactive collaboration - Business-oriented problem-solving approach - Clean, modular, scalable codebases - Ongoing support & post-launch iterations - Focused on long-term product success, not just project delivery 🔧 Tech Snapshot React.js, Next.js, Node.js, Express, MongoDB, Mongoose, TailwindCSS, JavaScript, TypeScript, OpenAI, Langchain, Python, Docker, GitHub Actions, AWS, Firebase, PostgreSQL 💬 Let’s Build Something Great If you're looking for a reliable MERN stack developer who can also bring AI features into your product — whether it's an MVP, chatbot, internal tool, or production-grade platform — I’d love to connect. Send me an invite, and let's talk about how I can help bring your idea to life!
    Featured Skill API Integration
    Firebase
    webpack
    UX & UI Design
    Web Component Design
    Tailwind CSS
    RESTful API
    Responsive Design
    Single Page Application Framework
    Front-End Development
    CSS 3
    HTML5
    TypeScript
    JavaScript
    Svelte
  • $25 hourly
    • 4.9/5
    • (77 jobs)
    ✅ 2500+ hours and still counting ✅ 70+ jobs completed successfully ✅ 100% Job Success (Client Satisfaction Ratio) ✅ High-Quality Work ✅ Budget-friendly ✅ Fluent English Hello! I'm Ahmad Naeem Zaidi, a seasoned mobile developer with over 8 years of hands-on experience in creating robust, user-centric mobile applications. I specialize in Android, iOS, Flutter, React Native, and other cross-platform frameworks, delivering top-tier solutions tailored to meet client goals and user expectations. During the last 8+ years, I have developed many different types of iOS and Android mobile apps. 𝗧𝗮𝘀𝗸 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗔𝗽𝗽 (𝗹𝗶𝗸𝗲 𝗧𝗼-𝗗𝗼), 𝗙𝗼𝗼𝗱 𝗗𝗲𝗹𝗶𝘃𝗲𝗿𝘆 𝗔𝗽𝗽, 𝗥𝗲𝗮𝗹 𝗘𝘀𝘁𝗮𝘁𝗲 𝗟𝗶𝘀𝘁𝗶𝗻𝗴 𝗔𝗽𝗽, 𝗜𝗻𝘃𝗲𝗻𝘁𝗼𝗿𝘀 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗔𝗽𝗽, 𝗥𝗶𝗱𝗲 𝗜𝗻𝘀𝘁𝗿𝘂𝗰𝘁𝗼𝗿 𝗕𝗼𝗼𝗸𝗶𝗻𝗴 𝗔𝗽𝗽, 𝗢𝗻-𝗱𝗲𝗺𝗮𝗻𝗱 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗦𝗽𝗼𝗿𝘁𝘀 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗘𝘃𝗲𝗻𝘁 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗚𝗿𝗼𝗰𝗲𝗿𝘆 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗜𝗻𝘃𝗲𝗻𝘁𝗼𝗿𝘆 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗔𝗽𝗽, 𝗦𝗼𝗰𝗶𝗮𝗹 𝗠𝗲𝗱𝗶𝗮 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗘-𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗙𝗿𝗲𝗲𝗹𝗮𝗻𝗰𝗲 𝗠𝗮𝗿𝗸𝗲𝘁𝗽𝗹𝗮𝗰𝗲 𝗔𝗽𝗽, 𝗔𝗽𝗽𝗼𝗶𝗻𝘁𝗺𝗲𝗻𝘁 𝗕𝗼𝗼𝗸𝗶𝗻𝗴 𝗔𝗽𝗽, 𝗛𝗼𝗺𝗲 𝗦𝗲𝗿𝘃𝗶𝗰𝗲 𝗕𝗼𝗼𝗸𝗶𝗻𝗴 𝗔𝗽𝗽, 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗩𝗲𝗻𝘂𝗲 𝗕𝗼𝗼𝗸𝗶𝗻𝗴 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, and many more. ---------------------------------------------- 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐞𝐬 ✔ Android App Development ✔ iOS App Development ✔ Flutter App Development ✔ React Native App Development ✔ Ionic & AngularJS ✔ Cordova & Cross-Platform Development ✔ UI/UX Design & Integration ✔ API Integration ✔ Mobile App Testing & Debugging ✔ Performance Optimization ✔ App Maintenance & Updates 𝐖𝐡𝐲 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞? Proven Track Record: With 8 years of experience, I’ve successfully delivered a wide range of mobile applications across various industries. My work is characterized by high-quality code, efficient architecture, and a user-focused approach. **Cross-Platform Mastery:** My expertise in Flutter and React Native enables me to develop apps that function seamlessly on both Android and iOS, ensuring a consistent user experience across platforms. **Design-Centric Approach:** I have a keen eye for UI/UX design, ensuring that the apps I develop are not only functional but also aesthetically pleasing and intuitive to use. **Effective Communication:** I prioritize clear, consistent communication, keeping you informed at every stage of the project. Your feedback is integral to the development process. **Commitment to Excellence:** I’m dedicated to delivering high-quality work on time and within budget. Your project’s success is my top priority. ----------------------------- 𝐖𝐡𝐚𝐭 𝐈 𝐎𝐟𝐟𝐞𝐫: **Full-Cycle Development:** From initial concept to deployment, I manage every aspect of the development process, ensuring a seamless experience and a product that meets your needs. **Performance Optimization:** I focus on optimizing app performance, ensuring fast load times, smooth navigation, and a top-notch user experience. **Problem Solving:** I excel at troubleshooting and problem-solving, ensuring your app runs smoothly across different devices and platforms. **Continuous Support:** I offer ongoing maintenance and updates to keep your app relevant and performing optimally as technology evolves. 𝐋𝐞𝐭’𝐬 𝐁𝐫𝐢𝐧𝐠 𝐘𝐨𝐮𝐫 𝐕𝐢𝐬𝐢𝐨𝐧 𝐭𝐨 𝐋𝐢𝐟𝐞: Whether you're looking to build a new mobile app, enhance an existing one, or resolve technical challenges, I have the skills and experience to make it happen. Let’s discuss your project and how I can help you achieve your goals. 𝐆𝐞𝐭 𝐢𝐧 𝐓𝐨𝐮𝐜𝐡: I’m passionate about leveraging cutting-edge technologies to create innovative mobile solutions. If you’re looking for a dedicated mobile developer who can turn your vision into reality, let's connect and explore how I can contribute to your project's success.
    Featured Skill API Integration
    Android SDK
    Laravel
    Mobile App Development
    Android Studio
    Dart
    QR & Barcode Scanner
    Flutter
    Swift
    React Native
    Java
    Kotlin
    Android
    iOS
  • $85 hourly
    • 4.7/5
    • (25 jobs)
    I am a seasoned software engineer specialising in scalable, high-performance backend applications using Python technologies, focusing on long-term growth and maintainability. I bring technical excellence, reliability, and clean architecture to every project. Beyond technical expertise, I offer a business-driven mindset, bringing ideas and strategic insights to help define the next steps for your product’s growth. I thrive in collaborative environments, seamlessly integrating into teams with charisma, sincerity, and adaptability. My ability to bridge technical solutions with business objectives ensures that development efforts always align with your company’s success. I leverage AI-driven development tools like ChatGPT, DeepSeek, and advanced IDE integrations to streamline workflows, optimise code quality, and reduce development time. This ensures faster and more efficient delivery of quality solutions. - Strategic, Business-Oriented Development: I don’t just write code; I contribute to the growth roadmap of your platform, helping you make scalable and future-proof decisions. - Efficient & Scalable Solutions: I design backend systems that handle high traffic and complex workflows while ensuring performance and maintainability. - API & Platform Development: extensive experience in designing, developing, and integrating RESTful APIs to power SaaS platforms and enterprise applications. - Long-Term Collaboration & Reliability: whether for a one-off project or ongoing engagement, I ensure your product remains competitive and well-maintained. - Quality & Best Practices: I emphasise clean, maintainable code, testing, and robust security standards to ensure a solid backend foundation. - Seamless Team Integration: My strong communication skills, adaptability, and sincerity make me a valuable team player in remote environments. ⸻ Professional Experience (On-Site) • Senior Backend Contractor – Remote backend engineering for various companies, delivering reliable, well-architected solutions. • Python Engineer, London – Built scalable platforms at TutorCruncher.com and Tangent.co.uk, working with clients like Wolseley and PepsiCo. • Software Engineer, Helsinki – Contributed to SSH Communications Security for their Key-Manager product (company behind SSH protocol). • Dedagroup – Developed backend & mobile applications supporting Alzheimer’s patients, caregivers, and doctors. • Diverse Client Portfolio – Worked with Ribose on open-source projects for IETF, CompareEurope, Crowdbotics, IOT Valley, Civic Vision, Autokroma, MTL-Guide, DYEL Labs, The New Boston, Gaman Corp, and Shakti. • Technical Interviewer (2021-2022) – Conducted 100+ technical interviews, assisting companies in hiring backend engineers. ⸻ Education Double Master’s Degree in Software and Service Architectures, with a minor in Innovation & Entrepreneurship: combining strong technical skills with a business-oriented mindset. ⸻ Preferred Tech Stack Python3.12, Django/FastAPI, PostgreSQL, Redis, Celery, Docker
    Featured Skill API Integration
    Django Stack
    API
    IT Recruiting
    Web Application
    API Development
    Django
    Websockets
    Python
    Software Design
    Docker
    Software Architecture & Design
  • $49 hourly
    • 4.8/5
    • (36 jobs)
    Bubble Developer I am a Bubble.io developer and develop web, mobile, responsive applications on Bubble: - An everything is possible approach: I can integrate your Bubble application with Third-party APIs, develop Bubble plugins, add social logins, geolocation, payment gateways and much more. - Support to your business processes and commercial needs advising on the best approach, anticipating future needs, and ensuring that the application is reliable. - Robust Bubble applications made for performance and easy maintenance Mendix Developer: For internal company systems I recommend Mendix, which is a robust platform owned by Siemens and top right quadrant on Gartner Group Monday.com Consultant: If you want to organize and automate your workflows in project management, Monday.com is a great tool. Expect professionalism, excellent communication, transparency, resilience, creative solutions and above all a strong commitment to your objectives. All of my clients have turned into long term relationships. For every project I provide a project management dashboard on click up, where you can detail your needs and follow up on the progress.
    Featured Skill API Integration
    API
    Database Development
    Web Application
    Business Logic Layer
  • $35 hourly
    • 5.0/5
    • (2 jobs)
    Python Developer & AI, Automation, and Data Science Specialist | Enhancing Systems with Advanced Analytics, Machine Learning, and Robust Applications Key Services: 🌐 Python and Javascript Development: Expert in building scalable, robust web applications. Specialties include custom admin panels, advanced user authentication, and seamless database integration. 🔗 API Development & Integration: Proficient in crafting RESTful APIs and integrating third-party services, enhancing app functionality and user connectivity. 💹 Financial Markets: Skilled in developing automated trading bots that leverage market APIs for high-frequency trading, powered by smart algorithms. 📊 Data Analysis & Visualization: Adept at analyzing large datasets using Python tools like Pandas and Matplotlib, presenting insights that drive strategic decisions. 🤖 Large Language Models (LLM) & AI Integration: Experienced in developing solutions with large language models and embedding AI into systems to improve functionality and user engagement. ⚙️ Machine Learning Engineering: Building and implementing predictive models to optimize and streamline data-driven decision processes. 🔄 Product Development Lifecycle: Comprehensive expertise from concept to deployment, ensuring high-quality software solutions and effective lifecycle management. Client Testimonials: "Working with Daniel Índias Fernandes is always a pleasure. He is thorough, responsive, and exceptionally knowledgeable. Highly recommend for any complex projects!" – Yerkau, Israel "Exceptional service! Daniel instantly understood our needs and delivered swiftly and efficiently. Will definitely hire again!" – Mbueri, Portugal "Outstanding experience! Daniel grasped the task immediately and exceeded expectations. Thanks for the excellent work!" – Gytisreklaitis, Lithuania Why Choose Me? With a solid track record on platforms like Fiverr and Upwork, I bring reliability, technical proficiency, and a proactive approach to every project. I'm dedicated to turning challenges into opportunities and delivering solutions that not only meet but exceed your expectations. Let me help you harness the power of advanced programming and AI to achieve your business or personal objectives.
    Featured Skill API Integration
    Data Scraping
    Data Science
    Business Consulting
    Python
    Coding Lesson
    Database Development
    Trading Automation
    Bot Development
    Web Design
  • $110 hourly
    • 5.0/5
    • (17 jobs)
    I help organizations design systems that think: automated workflows, intelligent feedback loops, and scalable data processes that drive clarity, efficiency, and real-world results. With 8+ years of hands-on experience, including 5 years at Qualtrics, I blend enterprise-level technical execution with strategic insight, building systems that don’t just function, but evolve with your business. Whether you're launching a customer feedback program, overhauling a manual process, or stitching data across tools, I bring a unique mix of CX, research, process improvement, and automation to deliver fast, clean, and lasting outcomes. 🧠 My Expertise Includes 🔹 Qualtrics System Architecture & CX Strategy From survey design to dashboarding, I specialize in CoreXM, CustomerXM, BrandXM, and Research Services, plus automation, closed-loop systems, and cross-platform integrations. 🔹 Workflow Automation & Integration I use automation platforms like Make.com, n8n, and Zapier to create seamless, no-code/low-code systems that eliminate manual work and reduce risk. 🔹 Process Optimization & Change Management I assess, map, and improve business processes using Lean and Six Sigma principles, embedding quality, speed, and clarity through structure and smart automation. 🔹 Market Research & Online Panel Management I design and run high-quality research at scale - crafting surveys, managing fieldwork, and delivering insights powered by AI and smart segmentation. 🔹 Data Strategy & Executive Reporting I build dashboards and reporting pipelines that turn data into decisions, using AI to summarize, segment, and flag what's important, when it matters most. ✅ Why Work With Me • Ex-Qualtrics: I’ve led global programs from the inside and know what enterprise excellence looks like • Full Stack Thinking: I design with strategy in mind - from UX and data quality to workflows and stakeholder adoption • Proven Results: $1.7M margin recovery, 120k+ contacts automated, 500k+ patient feedback records analyzed • Top Rated Plus: 100% Job Success | Fast, clear, accountable | Clients come back
    Featured Skill API Integration
    JavaScript
    CSS
    HTML
    Automation
    Make.com
    Survey
    Business Operations
    Market Research
    Business Strategy
    Project Management
    Customer Experience
    Process Improvement
    Qualtrics
    Data Analysis
  • $50 hourly
    • 5.0/5
    • (23 jobs)
    I automate workflows, parse messy data, and deploy cloud-native infrastructure that just works. Whether it’s converting 1,000 PDFs into structured CSVs, integrating APIs, or building scalable CI/CD pipelines — I deliver fast, clean results that save time and reduce headaches. With 8+ years in AWS, Oracle, DigitalOcean, and Python-based tooling, I’ve handled everything from SSL and NGINX configs to end-to-end serverless app rollouts. If your project needs reliability, automation, and performance, I’m your guy.
    Featured Skill API Integration
    DigitalOcean
    Oracle Cloud
    AWS Lambda
    Cloud Computing
    NGINX
    CI/CD
    GitHub
    Bash Programming
    Excel Formula
    Web Scraping
    PDF Conversion
    Python Script
  • $45 hourly
    • 4.9/5
    • (51 jobs)
    ✅ React Native Developer 10+ years of experience ✅ SaaS Mobile App Expert 5+ years ✅ 32 Mobile App Released ✅ React Native Mobile Expert ✅ Built 25+ UX-first Mobile App for 20 companies ✅ On-Time and Cost-Effective Delivery ✅ Future-Proof Solutions Showing a Minimum 42% ROI 🏄🏼‍♂️ I’m Mykyta, a dedicated Mobile App Developer with 5+ years of experience in SaaS Mobile App Development. Whether it’s building your app from the ground up or modernizing an existing product for iOS and Android, I’m here to help you craft scalable, intuitive, and cross-platform mobile applications. My solutions have contributed to 30%+ user retention growth and helped businesses scale to 100K+ active users. Let’s build something impactful together! 🚀 🏄🏼‍♂️As a Mobile App Developer and Full Stack Developer with deep expertise in SaaS Mobile App, React Native App I bring over a decade of experience in building high-performance cross-platform mobile application. Whether you're looking for a skilled Mobile App Designer or need assistance with Hybrid App Development, I have the right tools, strong background, and expertise to deliver outstanding products. 🏄🏼‍♂️I specialize in React Native development, crafting high-performance mobile app for both iOS and Android platform. As a Mobile App Developer, I leverage JavaScript and React JS to deliver user-friendly and scalable mobile app development solution, ensuring seamless performance and an exceptional user experience across all devices. ✔️ As a full stack developer, I can build an MVP SaaS mobile application from scratch—one that successfully raised $750k in the first seed round. ✔️ As a Flutter developer and React Native expert, I can redesign an app to boost downloads by over 30% within the first month. ✔️ I can transform an outdated application into a sleek, user-friendly product that became App of the Day on the App Store. ✔️ As a web developer, I help develop a custom business model to double your Gross Profit Margin (GPM). ✔️ I design user-centric mobile apps that have won Dribbble Awards for exceptional UX/UI. 💻 Core Strengths & Technologies React Native, Expo: For rapid, cross-platform development on iOS and Android, saving time and cost. Node.js, AWS: Secure, scalable backends that grow with your user base. API Integration: Experience with Stripe, PayPal, real-time data APIs, and push notifications. CI/CD Pipelines: Efficient, automated deployments to ensure your project stays on track. 🚀 MVP & Product Launch From feature planning to app store deployment, I’ll ensure a smooth launch and rapid market entry with: Clear Milestones & Rapid Iterations for quicker time to market. Robust Authentication and user management for secure access. High-Quality UX/UI to increase conversion rates and retain users. ⚙️ End-to-End Collaboration As a talented React Native Developer with good knowledge of cross-platform development, I specialize in crafting high-performance mobile apps for both iOS and Android platforms. Architecture & Planning: Translating your idea into actionable plans, focusing on scalability and user-centric designs. Mobile App Developer Implementation: As an experienced developer, I prioritize performance, reliability, and create future-proof solutions. Post-Launch Support: Ensuring your app’s continuous evolution through seamless updates and ongoing improvements. 🤝 Why Partner With Me? Proven ROI: My work consistently delivers at least a 42% ROI for SaaS businesses. Speed & Reliability: With 32 successfully released apps, I showcase a dedication to on-time and cost-effective delivery. Collaborative Process: I value transparent communication, and my experience can help you double your GPM or secure critical funding for your product. Let’s build a Mobile Application that stands out, scales with your business, and creates an exceptional user experience. 📱 Platforms I Work On as a Hybrid App Developer iOS App Development Android Development SaaS Application Development ⚙️ Technologies: React Native, Flutter, Bubble, Kotlin, Expo.io, React, TypeScript, AWS, Firebase, React Native Firebase, React Native WebRTC, Ionic, Full Stack Development, Full stack Python, SaaS Development, React JS, JavaScript, React Native Expo Web Development: I’m also skilled in creating robust, modern web apps using Laravel, WordPress, Shopify, React JS, and JavaScript. Additionally, I can leverage my expertise as a Business Analyst, perform Data Scraping, develop with Python, integrate WebRTC for real-time communication, work with JSSIP protocols, After Effects Animator, provide FinTech consultant payment systems, and Roku developer app to expand your platform. Let’s collaborate to bring your Mobile App Development project to life. Contact me today to start planning your next SaaS mobile success story!
    Featured Skill API Integration
    TypeScript
    Laravel
    Smartphone
    Hybrid App Development
    Mobile App Design
    Mobile App Development
    Firebase
    Web Design
    React
    JavaScript
    Android App Development
    iOS Development
    React Native
    Android
  • $45 hourly
    • 5.0/5
    • (31 jobs)
    Greetings, With over 15 years steeped in the world of software development, I’ve dedicated a significant portion of my professional journey to crafting high-quality iOS applications. The path from conceptualizing an idea to witnessing its tangible transformation on an iPhone or iPad is one I've walked many times. As the director of a software testing studio, I bring not only development expertise to the table but also a rigorous standard for software quality and performance. Every application tells a story, and my team and I are committed to ensuring that story is told seamlessly. If you're seeking a seasoned perspective and a reliable hand in bringing your iOS vision to fruition, I invite you to connect. Let's embark on this journey together. Warm regards. Kiryl
    Featured Skill API Integration
    VPN
    GitHub
    iOS Development
    iOS
    Social Media Account Integration
    Camera
    Mobile App Development
    Payment Functionality
    Application Security
    Core Bluetooth
    Objective-C
    Swift
    iPadOS
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  • $50 hourly
    • 0.0/5
    • (1 job)
    🚀 Full-Stack Web Developer with 7 years of experience | Startup & Enterprise Experience Hi! I'm a full-stack web developer with a passion for building scalable, high-performance web applications. Over the past several years, I've led small, agile teams in fast-paced startup environments and collaborated with large, cross-functional teams in enterprise settings. This dual experience has equipped me with a rare blend of adaptability, technical depth, and leadership. 🔧 Tech Stack & Expertise Frontend: Next.js, React, TypeScript, Tailwind CSS, HTML, CSS Backend: Node.js, Express, REST APIs, PostgreSQL, MySQL Cloud & DevOps: AWS (Cognito, S3, EC2, RDS), Google Cloud Platform Other Tools: Git, Docker, CI/CD, TypeORM, Prisma, Webpack, Vite 🌟 What I Bring to the Table ✅ End-to-end product development: from ideation and UI design to backend APIs and cloud deployment ✅ Proven leadership in managing small dev teams, mentoring juniors, and aligning technical decisions with business goals ✅ Clean, maintainable, and well-documented code with a focus on scalability and performance ✅ Strong communication skills and a collaborative mindset. I thrive in both solo and team-based projects Whether you're building an MVP from scratch, scaling an existing product, or need an experienced dev to jump into a complex codebase, I'm here to help you succeed. Let’s build something great together. 💻✨
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  • $15 hourly
    • 5.0/5
    • (8 jobs)
    👋 Hello! Having developed dozens of bots over the last couple of years, covering all of the Discord API's newest features such as ephemeral messages, message components (buttons, select menus, dropdowns), modals and chat input/context menu commands, I believe that I am capable of delivering any product that you can imagine. All of my projects are written in TypeScript (a superset of JavaScript) following industry standard best practices, and integrating with various types of APIs and services. Here are some of the technologies I have integrated into my work stack: - Sapphire.js - Discord.js - MongoDB and its cloud platform "Atlas" - Mongoose (with the Typegoose "extension") - Git - PostgreSQL - Node.js - Fastify - Firebase (particularly Firestore) - Sequelize - SQLite - Numerous different libraries and APIs. I am a motivated, easy to work with person and I'm always open to suggestions on how things can be improved, while always giving my honest feedback so you can get the product you are looking for. Let's work together! 🚀
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  • $30 hourly
    • 5.0/5
    • (2 jobs)
    Hey there! I’m Vladimir—a web designer and developer with a passion for creating stunning, functional, and user-friendly online experiences. I believe in blending creativity and strategy to craft websites and digital solutions that truly shine. My Formula for a Successful Project: 1️⃣ Immersion & Exploration We dive deep to understand your goals, vision, and unique needs. By gathering insights, we create a tailored strategy that sets the foundation for success. 2️⃣ Prototyping & Concepts Using the gathered insights, we brainstorm and refine innovative ideas. Prototypes and concepts are created to ensure they align perfectly with your vision. 3️⃣ Design & Development Your website isn’t just visually stunning—it’s a dynamic tool designed for optimal performance, user-friendliness, and responsiveness across all devices. 🌟 Outstanding Results: The result is a powerful digital presence that captivates your audience, drives engagement, and exceeds expectations—propelling your business towards growth. Tools & Platforms I Use: 🔹 Webflow | Memberstack | Make | Zapier 🔹 Figma | Photoshop | Spline 🔹 MailChimp | SendPulse Services I Offer: 🔷 Web Design & Development 🔷 Membership Platforms 🔷 Workflow Automation 🔷 Graphics & Content Creation 🔷 CMS & Integration 🔷 Custom Functionalities Whether you need a standout website, seamless membership integration, or eye-catching graphics, I’m here to help bring your ideas to life. Ready to create something extraordinary? Let’s get started 🚀
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  • $28 hourly
    • 5.0/5
    • (2 jobs)
    I help teams get rid of manual work and chaotic processes by building smart, no-code automations and seamless tool integrations. No more repetitive tasks — just clear, reliable systems that save time and let your team focus on what really matters. What I Bring: ✅ Process Automation – I design smart workflows to replace repetitive manual tasks ✅ No-Code Integrations – I connect your tools using Make, Zapier, or n8n for seamless data flow ✅ Clarity & Structure – I help teams work more efficiently with well-organized systems ✅ Custom Solutions – Each setup is tailored to your unique process ✅ Scalable Systems – I build with growth in mind so your workflows won’t break later ✅ Reliable Delivery – You get clear timelines, regular updates, and working results ✅ Tech Translation – I speak both “business” and “tech”, so nothing gets lost in between Why Me? With years in project management, quality assurance, and workflow optimization, I bring not just technical solutions — but clarity, structure, and systems that are tested, stable, and built to last. Tired of fixing broken workflows? Let’s do it right from the start. Invite me — and get a reliable partner who’ll make your systems smooth, simple, and scalable.
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  • $20 hourly
    • 5.0/5
    • (2 jobs)
    Hello, I’m Qazi Zia, a passionate and results-driven developer and Zoho expert with 7+ years of hands-on experience delivering high-performing solutions for startups, growing businesses, and enterprise clients. With a strong background in Zoho development, Web and mobile app development, and full-stack technologies, I specialize in transforming ideas into fully functional, scalable systems that automate processes, improve user experience, and drive business growth. Core Skills & Technologies Zoho Ecosystem - Zoho CRM (Customization, Workflow Automation, Blueprints, Reports) - Zoho Creator (Custom app development) - Zoho Books, Zoho Flow, Zoho Sign, Zoho Inventory - Deluge Scripting - Custom Functions & Widgets - Third-party integrations (Xero, QuickBooks, Mailchimp, Twilio, Shopify, etc.) - API integrations with other apps and platforms Web Development - WordPress (Custom themes, plugins, WooCommerce) - PHP (Laravel, CodeIgniter, Core PHP) - JavaScript (React, Node.js, Vue.js, jQuery) - HTML5, CSS3, Bootstrap, TailwindCSS eCommerce Solutions - Shopify Store Setup & Customization - Wix Website Development - Webflow Responsive Design & CMS Integration - Shopify App Integration & Custom Scripting Mobile App Development - Cross-platform apps using Flutter & React Native - Native Android Development - iOS App Development with Swift - Backend integration with Firebase, REST APIs, and GraphQL What I Can Do for You ✔️ Zoho Implementation & Automation: From scratch setups to optimization of existing systems—I'll streamline your business workflows using Zoho CRM, Books, Creator, and Flow to eliminate manual work, automate sales pipelines, and ensure accuracy in reporting. ✔️ Website Development & Customization: Whether it’s a custom WordPress site, a clean Webflow design, or a Shopify store, I can create responsive, SEO-friendly, high-converting websites tailored to your business goals. ✔️ Mobile Apps That Deliver Value: Got an app idea? I’ll bring it to life with user-friendly mobile apps that are fast, secure, and scalable, designed with modern UI/UX principles. ✔️ Seamless Integration Between Systems: I specialize in connecting different systems and platforms using REST APIs, Zapier, Integromat, and Zoho Flow—allowing your tools to work together effortlessly. ✔️ Ongoing Support & Maintenance: Need someone long-term to maintain and evolve your systems? I offer reliable support services, so you can focus on growing your business. 🌍 Timezone Flexibility I work comfortably across multiple time zones, offering real-time communication and support in: 🇺🇸 USA – EST / PST 🇬🇧 United Kingdom – GMT 🇦🇺 Australia – AEST My goal isn’t just to code, it’s to solve problems, add value, and help businesses scale efficiently. 📩 Let’s Talk! Whether you need a one-time project or long-term collaboration, I’m here to help. Let’s discuss how I can help bring your vision to life using the right mix of technology and strategy. 📅 Message me today and let’s build something amazing together.
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  • $63 hourly
    • 0.0/5
    • (0 jobs)
    Hi, I'm Álvaro I've saved $400K+ for companies like Siemens, WTW Insurance, and banking institutions through automated workflow solutions. As a Process Automation Engineer with 5+ years of experience, I help businesses eliminate manual processes and maximize ROI. Recent Wins: Reduced manual processing by 600+ hours at Siemens through SAP automation Cut incident rates by 70% with REFramework implementations Built solution for banking sector processing 1000+ Excel/PDF documents daily I specialize in building end-to-end automations using UiPath, API integrations, and AI tools (GPT-4, Make.com, Zapier). My Expertise: ✓ UiPath RPA development (5+ years) ✓ VB.NET, Python, JavaScript integration ✓ REFramework architecture ✓ API REST integrations ✓ SAP LogOn automation ✓ Database automation ✓ Office automation (Excel, Word, PDF) ✓ AI-powered workflows Why Work With Me: I don't just build automations - I architect solutions that scale. With experience across agile teams and Fortune 500 clients, I understand both technical execution and business impact. Whether you need to: Automate repetitive tasks Integrate legacy systems Build intelligent workflows Scale operations efficiently I deliver results that save time and money. Based in Lisbon, available for remote work globally Ready to transform your business processes? Let's discuss your project.
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  • $120 hourly
    • 5.0/5
    • (31 jobs)
    ⭐𝟭𝟬+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗽𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗶𝗻𝗴 𝗮𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗲𝗻𝗱-𝘁𝗼-𝗲𝗻𝗱 𝗖𝗥𝗠 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀⭐ 📞 𝘐𝘯𝘷𝘪𝘵𝘦 𝘮𝘦 𝘵𝘰 𝘺𝘰𝘶𝘳 𝘫𝘰𝘣 𝘵𝘰 𝘴𝘤𝘩𝘦𝘥𝘶𝘭𝘦 𝘢 𝘤𝘰𝘮𝘱𝘭𝘪𝘮𝘦𝘯𝘵𝘢𝘳𝘺 𝘤𝘰𝘯𝘴𝘶𝘭𝘵𝘢𝘵𝘪𝘰𝘯 𝘤𝘢𝘭𝘭 𝘵𝘰 𝘥𝘪𝘴𝘤𝘶𝘴𝘴 𝘩𝘰𝘸 𝘸𝘦 𝘤𝘢𝘯 𝘤𝘳𝘦𝘢𝘵𝘦 𝘵𝘩𝘦 𝘱𝘦𝘳𝘧𝘦𝘤𝘵 𝘴𝘰𝘭𝘶𝘵𝘪𝘰𝘯 𝘧𝘰𝘳 𝘺𝘰𝘶𝘳 𝘣𝘶𝘴𝘪𝘯𝘦𝘴𝘴.📞 Hire me to implement a bespoke CRM solution that fits your business needs and goals. Hi! My name is Gabe and I’m the founder of Middleton Media. If you want to partner with a true expert to take care of your CRM implementation and build out complex solutions that transform your business success, then I’m the one for you. Every business is different, which is why I believe in creating custom solutions that are bespoke to your needs and goals. For every client, I always start by mapping out your processes to ensure we're on the same page. (You can see an example of this in the case studies) From here, we identify areas for improvement. Whether that is setting up custom workflows, email campaigns, or something more complex, such as additional custom development work and third-party API integration, you can leave them all with me to manage and implement. I will also include training at the end to ensure your team is fully equipped to make data-driven decisions. High-profile clients include: Reddit Advertising, ClickUp, Medable, Bridgeman Images. "Gabriel is highly talented, understands job requirements and executes them well. His knowledge of multiple software systems is top level!" - Classic Architectural Group 𝗖𝗮𝗿𝗲𝗲𝗿 𝗵𝗶𝗴𝗵𝗹𝗶𝗴𝗵𝘁: 🌟HubSpot CMS + CRM Website Contest 2021 Top Winner (Energy Smart) 🌟Key speaker at the HubSpot Development Conference 2021 🌟Director of Revenue Operations and working with tech giants like Reddit, Click Up and Medable. 🌟Head of Digital Product at the number one HubSpot Agency in APAC. Industries I’ve worked with: 💼 SaaS 💼 Healthcare/medical 💼 Real estate 💼 Construction 💼 Telecommunication 💼 Marketing agencies 💼 Equipment rentals 💼 Events 💼 Brokerages 💼 Web3 💼 Fitness and more. 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 𝗮𝗻𝗱 𝘀𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗜 𝗽𝗿𝗼𝘃𝗶𝗱𝗲 𝗳𝗼𝗿 𝗺𝘆 𝗰𝗹𝗶𝗲𝗻𝘁𝘀: ❇️ CRM onboarding and training ❇️ Strategic business analysis and developing advanced architect framework ❇️ CRM implementation and customisation ❇️ Custom application development ❇️ Custom Object development ❇️ Database audit and migration ❇️ API integration for Third-Party Software ❇️ CMS Module development ❇️ CMS Serverless Functions ❇️ Custom Code Workflows ❇️ Custom Form Development ❇️ Tracking and Attribution (GTM and GA4 set up) ❇️ Email Campaign development ❇️ Change management and education ❇️ Marketing automation 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀 𝗜 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵: 🛠 HubSpot 🛠 Salesforce 🛠 Zoho 🛠 Make (Integromat) 🛠 Zapier 🛠 n8n 🛠 AI platforms (integration) 🛠 Apollo 🛠 ClickUp 🛠 Monday.com 🛠 Shopify 🛠 Webflow 🛠 Wordpress 🛠 MYSQL/Postgres 🛠 Google Analytics 4 and Google Tag Manager 🛠 Development Languages (HTML5, CSS3, JavaScript, PHP, Python, Hubl, Liquid, Laravel, Svelte, Nod.js) Thanks for learning about me! If you’re interested in working together, book a free consultation call with me to discuss the next step. Talk soon!
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  • $18 hourly
    • 0.0/5
    • (0 jobs)
    Empowering Minds for Lifelong Learning!! Hi, I'm Hassan Rafiq, an ASP.NET developer. Are you seeking an ASP.NET MVC and ASP.NET Core web application developer? Do you need to enhance your existing web application or create a new one with a .NET backend? If so, you've found the right person. Experience: With 4 years of dedicated expertise in ASP.NET MVC, ASP.NET MVC Core, Identity, C#, MS SQL Server, and Web API applications, I'm well-equipped to handle your project requirements efficiently and effectively. Let's collaborate to bring your ideas to life and create outstanding web applications tailored to your needs.
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  • $28 hourly
    • 0.0/5
    • (0 jobs)
    Get 10x more productivity and 15x cost reduction. 🦄 I’ve worked for top IT companies: Siemens, Nokia, Alcatel-Lucent, Vodafone, Telefonica, O2. 🏆 15+ years' experience in AI, Automation & API Integration and no-code platforms (Zapier, Make and n8n). View my portfolio below to see my style. Excited to talk to you! ----------------------- Most of my clients choose to work with me because of my reliability and professional competence delivering the most cost-efficient solution. I previously worked in different technical roles for global companies: 🦄 Siemens, Nokia, Alcatel-Lucent. And I worked with top global IT companies and System Integrators, such as Vodafone, Telefonica, O2, BT, ATT, SingTel, … IBM, HP, Tata, CGI, Tech Mahindra. My 15+ years’ experience as software engineer, outsourcing partner and business director allow me to bring a true 360-degree perspective to the table, which is key for the success of each project. I know exactly what it takes to develop and deliver AI Automation and Integration solutions that not only meet your needs but also give you confidence in their reliability, scalability, and cost efficiency. 🌟 The companies I work with are leaders in Telecom and IT — and I help them achieve outstanding results: ● Automated solutions for in-vehicle multimedia services ● Agriculture automation with telemetry to optimize field irrigation ● 24/7 Virtual Assistance for technical support services ● Automated customer ticket handling, assigning support engineers for faster resolution ● Sentiment analysis on customer tickets to improve satisfaction and reduce churn ✅ Working with me, these companies achieve faster response times, higher customer satisfaction, reduced operational costs, and significant productivity gains. ⚡︎ I can't help everyone — but I might be a perfect fit if you're thinking: ● "I believe AI Automation is the right solution for the challenges I'm facing." ● "I know how to run my business — and I trust technical experts to deliver the right solutions." ● "I'm NOT a technical expert, and I don't have time to waste figuring it out myself." ● "The last AI Automation solution we bought was disappointing — and I’m determined to get it right this time." ● "I need a turnkey solution I can trust 100% to solve my company’s problems — with no guesswork." Here’s what you get when you work with me: ✅ No more tech headaches — I handle everything from diagnosing the problem to delivering a fully working AI solution. ✅ Production-ready, future-proof solutions — you’ll get the best AI technologies tailored to your needs, without having to stress about the technical side. ✅ Expertise you can trust — you’ll get an experienced AI & Automation expert that regularly work with the top worldwide telco and IT companies … and even you’ll save money by taking my high-quality work and reusing it in your AI Automation & Integration projects. 💬 Ready to make your AI projects simpler, faster, and smarter? Let’s talk! Not every business will be the right fit to work with me — and that’s okay. Here are a few signs we might not be a match: ✗ Financial instability — If the company is struggling to meet basic obligations like paying salaries, I believe it’s not responsible to move forward. ✗ Lack of respect — I value collaboration and mutual respect. I work best with teams that foster a positive and respectful culture. What I look for in a new client: ● An open mind and a relaxed, collaborative attitude ● Strong values around integrity and building genuine relationships ● A focus on continuous improvement, letting actions speak louder than words ● Clear understanding of our minimum project scope — and a commitment to wanting the best results Sound like a good fit? Here’s what to do next: 📺 Check out the work examples showcased on my Upwork profile 🟢 Click the '...' button at the top right-hand corner and select ‘Send Message’ 💬 Send me a personalized note — let me know why you believe we’d be a great fit to work together! My expertise: 🎓 NLP, LLM and AI expert 💬 Chatbots, GPT and LLMs like chatgpt, GPT4, Llama, Claude, Gemini 🤖 Low code/No code AI automations using tools like Zapier, Make and n8n 📊 Sentiment Analysis, Text Classification, text generation, text summarization, Topic modelling, and Data Clustering My areas of specialization encompass a wide range of services, including: - Implementation of Chat-GPT AI for Business Purposes - API Integrations and Automation - AI Integration - Business Workflow Automation - Webhooks by Zapier and Make - CRM Automation - Data Analytics - Leads Flow Management - LinkedIn, Instagram, Facebook & CRM Leads Integration - APP Script, Google Sheets - Airtable, Google Sheets - Google Workspace, Google Cloud
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  • $20 hourly
    • 0.0/5
    • (0 jobs)
    Hello! I'm an independent developer passionate about the intersection of Artificial Intelligence and entrepreneurship. Creating automations and helping business grow! What I Do: I specialize in developing innovative solutions leveraging Generative AI, AI Agents, and automation technologies. My focus is on creating practical, small-scale AI projects that deliver tangible results and exploring new venture opportunities. My Capabilities: - Hands-on AI Development: Expert in building and deploying AI-driven tools. - Automation & Efficiency: Designing intelligent systems to streamline processes. - Business-Minded Approach: Combining technical expertise with entrepreneurial thinking to identify and create valuable solutions. - Continuous Learner: Always at the forefront of AI advancements and business strategies. Looking to collaborate on cutting-edge AI projects or explore how AI can transform your business ideas. Let's build something impactful!
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