Hire the best API Integration Freelancers in Phnom Penh, KH
Check out API Integration Freelancers in Phnom Penh, KH with the skills you need for your next job.
- $75 hourly
- 4.9/5
- (76 jobs)
🚀 Turning Ideas into Scalable, High-Performance Web Applications With 10+ years of hands-on Ruby on Rails experience, I help startups and businesses bring their ideas to life. Whether you're bootstrapping an MVP, scaling an existing product, or maintaining a legacy application, I deliver reliable, high-quality solutions that drive success. For the past 9 years on Upwork, I’ve partnered with clients to build, optimize, and scale web applications—always with clear communication, disciplined execution, and on-time delivery. 🔹 What I Do Best: ✅ Full-Stack Web Development – Building and enhancing Rails applications ✅ API Integration – Connecting third-party services seamlessly ✅ Rails Upgrades – Keeping your app secure and up-to-date ✅ Scaling & Performance – Optimizing Sidekiq, background jobs, and databases ✅ Server Management – Experience with Managed & On-Premise deployments ✅ Legacy Code Maintenance – Improving & modernizing existing applications ✅ Test-Driven Development (TDD) – Ensuring robust, bug-free software 💡 Let’s Build Together! Need a reliable and skilled Rails developer? I’m here to help. Let’s discuss how I can support your project and drive real results. 📌 GitHub: tvcam
API Integration
Ruby on RailsJavaScriptPostgreSQLReactMongoDBRedisMySQLRubySearch Engine OptimizationRSpecDevOps - $10 hourly
- 5.0/5
- (1 job)
Quick Learner, hardworking, technologies enthusiast, passionate about developing high-quality mobile applications. Aiming to use the knowledge to improve the quality of society and others' lives. Currently focused and skilled in Android & Flutter My job is to build your website so that it is functional and user-friendly but at the same time attractive. Moreover, I add a personal touch to your product and make sure that is eye-catching and easy to use. I aim to bring across your message and identity in the most creative way
API Integration
Mobile App RedesignMobile App Development ConsultationFirebaseQA TestingApp DevelopmentNative App DevelopmentMobile App DevelopmentHybrid App DevelopmentJetPackiOSAndroidFlutterDartKotlin - $20 hourly
- 5.0/5
- (7 jobs)
Hello everyone, I'm a mobile developer with experience almost 6 years. I'm experienced in desktop, mobile, and web development using Java, Kotlin, Flutter, NodeJs, ReactJs, VueJs, Etc... I have a working experience with Clean Architecture, MVC, MVP, and MVVM.
API Integration
SwiftHybrid App DevelopmentGoogle AnalyticsNative App DevelopmentFlutteriOS DevelopmentSmartphoneExpressJSAndroid App DevelopmentJavaScriptKotlinReactFirebase - $15 hourly
- 4.7/5
- (3 jobs)
I have experienced such as FAST, and Cambodia Shared Switch in IT Ebanking, Core Banking Functionality, Inventory management, Hotel, Rental Stall, SuiteCRM, FileMaker project and etc. My latest career, I was Software Developer in PowerChoice company for nearly three years and I worked on creating tasks in CRM and CMS using Perl, FileMaker, MySQL Apache and support users for ProcessMaker. In the past, I was the software developer in Mobile C&C company for three years. At there, I researched bank technology solution and I did some projects such as: BizMob Portal, Comtus, IRIS Portal and Mobile C&C Home Page, BizMOB square and Lifeon using Spring Framework with myBatis and SQL Server 2008, Oracle, and MySQL. Besides, I had three years experiences in website development using either C# ASP.NET or Microsoft SQL Server in AVALDE Company and also I had two years experiences in window based one year in NetSoft and another in BRC company. Moreover, I excel at: - C# .NET Framework and SQL Server - Java Spring Framework and MySQL - Perl and FileMaker - Javascript, JQuery, HTML Furthermore, I study and review more about Docker, Typescript, SOA (2016), design patterns, myBatis, spring framework, kendo UI, and scrum methodology, ASP.NET MVC 4.0 in Visual Studio 2013, Bootstrap 3 and AngularJS, FileMaker, Perl, CMake, SWIG and joined ProcessMaker 2020 course and others through the eBook and Leadership. I hope this is helpful to upgrade to new technologies in IT.
API Integration
DatabaseSuiteCRMAPI.NET FrameworkAngularPerlASP.NET Web APIASP.NETASP.NET CoreClaris FileMakerjQueryJavaC#Entity Framework - $26 hourly
- 4.1/5
- (8 jobs)
Why work with us? • 9+ years of proven experience • Experts in Flutter, SwiftUI, Firebase, Supabase, Laravel • Full team support — developers & UI/UX designers • Fast delivery & pixel-perfect quality Hello, I’m Sopheamen 👨💻 — a Project Manager & Senior Mobile Developer with 9+ years of experience, leading a passionate team of engineers and designers. Since 2015, I’ve helped businesses transform their ideas into fully functional, user-friendly mobile apps. We specialize in Flutter and SwiftUI, building high-performance apps for both iOS and Android. From intuitive UI to robust backend systems, we deliver clean, scalable, and stunning results 🎯📱
API Integration
API DevelopmentFlutter StackDartAndroid App DevelopmentiPhone UI DesigniOS DevelopmentFlutterMobile AppiOSUser Interface DesignUser Experience DesignAndroidSoftware DesignMobile App Design - $30 hourly
- 5.0/5
- (0 jobs)
Experienced Information Technology Officer with a demonstrated history of working in the banking industry. Strong information technology professional with a Bachelor's degree focused in Computer Science and Engineering from Royal University of Phnm Penh.
API Integration
SOAPREST API - $5 hourly
- 0.0/5
- (0 jobs)
What I do best: ⚙️ Backend: Laravel, Node.js, PHP | clean, scalable, powerful 🎨 Frontend: Vue.js, JavaScript, Bootstrap | sleek and responsive designs 🔗 API Integrations: Fast, secure 🛒 E-commerce: Payment gateways, custom features, seamless shopping 🔍 SEO & CMS: WordPress expert + traffic-boosting strategies 🎨 Design: Photoshop, Canva
API Integration
WordPressPoint of Sale & Payment SystemsPostgreSQLMySQLNode.jsTailwind CSSVue.jsLaravelCSS 3HTMLJavaScriptjQueryBootstrap - $24 hourly
- 5.0/5
- (1 job)
👋 Hey there! As a Flutter Developer, my name is Sela Monysathya. 💻 I've worked on numerous projects involving mobile apps. 📱 Please don't hesitate to get in touch with me at any time; I'm an extremely motivated and hardworking professional with a flexible schedule. ⌚ Thank you. 🙌 🎥 YouTube: Sela Monysathya 🔗 GitHub: Sela Monysathya
API Integration
App DesignMobile App DevelopmentUX & UI DesignDockerPHPVue.jsAPI DevelopmentLaravelDartMobile App DesignAndroidiOSFlutterMobile App - $25 hourly
- 0.0/5
- (0 jobs)
I’m a backend developer with 3+ years in Spring Boot and Java, building scalable REST APIs and microservices for smoother business ops. I’ve delivered an internal chat system (Spring Boot, RabbitMQ), a face recognition app (integrated with third-party AI), and a user management system (JWT, MySQL). I’m skilled in MySQL, PostgreSQL, Docker, and microservices, with a knack for solving complex problems like database optimization and secure auth flows. Currently, I’m expanding into frontend (HTML, CSS, JavaScript) to offer full-stack solutions. I deliver clean, tested code—on time, every time. Let’s build something great—reach out!
API Integration
Web DevelopmentJavaMicroserviceEnterprise ArchitecturePostgreSQLAPI DevelopmentDatabase DesignDatabaseDockerSpring Boot - $30 hourly
- 0.0/5
- (0 jobs)
As an experienced backend developer, I specialize in building and maintaining API services, particularly for mobile banking applications. I have extensive experience in integrating software with third-party systems, implementing key banking features such as local payment services, and ensuring the smooth operation of APIs through continuous monitoring and optimization. My work spans various sectors, including banking, logistics, HR management, and e-commerce, with a strong focus on clean code, deployment, and maintaining technical documentation. Key Skills: Backend Development: Expertise in API development using Spring Boot, Node.js, and PHP. Proficient in microservice architecture, enabling scalable and efficient application development. Strong experience with database systems including MySQL, PostgreSQL, and Oracle, utilizing tools like MyBatis and JPA for data queries. Skilled in managing and deploying applications to cloud services such as AWS and traditional servers like Apache Tomcat. Experience with PostGIS for handling geographical queries. API Integration: Developed APIs for diverse projects including Logistics, Medical Records, HRMS, and GPS Tracking systems. Integrated banking services such as KHQR Payment and Bakong for Mobile Banking. Hands-on experience with third-party API integration, including Telegram Bot for notifications and automated processes. Technical Leadership: Led teams by assigning tasks, offering mentorship, and ensuring the timely completion of development projects. Regularly prepared project documentation, process flow diagrams, and analysis reports for stakeholders. Practiced code versioning using tools like Git and GitHub to maintain project integrity and version control. Web Development: Proficient in HTML, CSS, JavaScript, and frameworks like Bootstrap for responsive web design. Experience with React.js and UX/UI Design using tools like Figma for front-end prototyping. Problem-Solving & Support: Actively resolved customer service issues, monitoring logs and deploying fixes for existing services. Adept at identifying bugs and implementing quick, efficient solutions in both new and ongoing projects.
API Integration
UX & UI DesignVersion ControlGitMicroserviceDatabase QueryMySQLAuth0Web ApplicationSpring DataPostgreSQLSQLMicrosoft Power BIJavaSpring Boot - $6 hourly
- 0.0/5
- (0 jobs)
I’m a Software Engineer experienced in building websites and systems using Java and the Spring Boot framework. I specialize in delivering scalable, secure, and maintainable solutions for small and medium-sized businesses. My skill set includes end-to-end project development, from initial planning to deployment, with a strong focus on automation and cloud infrastructure. I’ve implemented automated CI/CD pipelines and have hands-on experience in both on-premises and cloud environments, particularly with AWS. I use Infrastructure as Code (IaC) with Terraform to provision and manage cloud resources efficiently. Technologies I work with include: Java, Spring Boot, Spring Framework, Spring Security AWS, Terraform, Docker, Linux GitLab CI/CD, DevOps best practices Regular communication is a key part of my workflow — I believe in staying aligned with client goals and maintaining transparency throughout the project lifecycle.
API Integration
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