Hire the best API Developers in Philadelphia, PA

Check out API Developers in Philadelphia, PA with the skills you need for your next job.
  • $999 hourly
    Software Engineer with 7 years of professional experience in the fintech space and personal ventures in the AR and EdTech sectors.
    Featured Skill API Development
    Technical Documentation
    Java
    Ember.js
    Node.js
    Web Development
  • $40 hourly
    As a skilled Software and Data Engineer, I specialize in turning ideas into functional, impactful, and innovative solutions. With a diverse skill set and a passion for delivering excellence, I’m here to help you achieve your goals—whether it’s developing an MVP for your idea, creating a dynamic website, or implementing AI-powered solutions. - What I Bring to the Table Custom Software Development: Building scalable systems tailored to your business needs. Web Development: Expertise in React.js, Next.js, WordPress, and WebFlow. E-commerce Solutions: Creating seamless online stores optimized for performance. AI & Machine Learning: Experience with OpenCV, TensorFlow, YOLO, and more. Data Analytics & Visualization: Transforming raw data into actionable insights using advanced tools. System Integration & Optimization: Streamlining workflows for better efficiency. - Why Work with Me? Proven expertise in delivering robust and scalable solutions. Commitment to quality, clear communication, and on-time delivery. Dedication to understanding your vision and turning it into a reality. Strong problem-solving skills to tackle complex challenges effectively. Let’s work together to bring your project to life. I’m excited to learn about your requirements and deliver results that exceed your expectations. Feel free to reach out—I’m here to help! (Adding tech stack down here for folks who want to see): Front-end: React.js, Next.js, Angular, Tailwind CSS, Bootstrap Back-end: Node.js, Python, Django, Flask, Spring Boot, FastAPI, .NET Core Mobile Development: Flutter, React Native, SwiftUI, Jetpack Compose Database: PostgreSQL, MySQL, MongoDB, SQLite, MariaDB, Dynamo DB, Cassandra APIs: Google Maps, Stripe, and Social Media Integrations Cloud Platforms: AWS, Vercel, Google Cloud, Microsoft Azure
    Featured Skill API Development
    Ecommerce Storefront Design
    Database Development
    WordPress
    SQL
    Node.js
    Python
    CSS 3
    HTML5
    JavaScript
    React
    Web Development
    App Development
    Artificial Intelligence
  • $50 hourly
    Process-oriented cloud developer with works in multiple programming environments including Java/Python and SPA frameworks. Updates technical skills through courses/bootcamps and applying learnings to both professional and personal projects. An asset for creating scalable and secure solutions via collaboration, autonomy and innovation.
    Featured Skill API Development
    Python
    HTML
    Spring Boot
    JDBC
    Spring Security
    JavaScript
    Java
    PostgreSQL
    Laravel
    Flutter
    Vue.js
    Django
    Node.js
    React
  • $35 hourly
    As a Python Developer specializing in ChatGPT API integration, web scraping, and automation, I bring over 3 years of professional experience delivering tailored software solutions to meet client needs. With 7 years of programming expertise across languages like Python, Java, C, and JavaScript, I create efficient backend systems, intuitive websites, and reliable APIs to streamline operations and drive results. ----------------------------------------------------------- 💻 Work Experience ⚡ Gisual – Forward Deployed Software Engineer 🔍 Built key product features, including optimized web scraping and data collection tools. 🛠️ Revamped internal tools to enhance efficiency and system performance. 👨‍🔧 Led technical support, resolving complex issues and boosting system reliability. 🚀 Redesigned software architecture to resolve a RabbitMQ bug, streamlining workflows that were bogging down major clients like AT&T, Verizon, and Charter by optimizing API request handling and ensuring reliable fulfillment of high-volume requests. ⚙️ Laboratory Testing Inc. – Software Developer 🔗 Developed a Streamlit-based web application to streamline complex Low-Cycle and High-Cycle Fatigue analysis, offering advanced diagnostic tools and enhanced data visualization for precision reporting. 📂 Optimized file system workflows with custom Python scripts, improving data organization across critical operations. 🛠️ Enhanced MongoDB infrastructure to ensure scalability and adaptability for future projects. 🌐 CommScope – Systems Integration & Test Intern 🖥️ Developed a Python/Flask GUI for network device management. ⚙️ Created interactive features for data comparison and streamlined RESTful API queries. 🚀 Improved load times and optimized database queries. ----------------------------------------------------------- ✨ What I Can Bring to Your Project ✨ ✅ ChatGPT API Integration – Create powerful, conversational AI features. ✅ Web Scraping & Automation – Efficient data collection with streamlined workflows. ✅ Backend & Frontend Development – Full-stack solutions using frameworks like React, Flask, and Node.js. ✅ Cloud Expertise – Skilled with AWS, Google Cloud, and containerization tools like Docker and Kubernetes. ✅ Custom Software Solutions – Tailored to your business needs with proven reliability. ----------------------------------------------------------- 🌟 More about me 🌟 During my career, I have successfully contributed to early-stage startups and large organizations alike, where I developed and optimized features such as notification filtering, outage reporting systems, and geolocation validation using APIs like Azure Maps and Google Maps. My work has also involved enhancing software architecture to improve performance, streamline processes, and ensure data integrity across systems. I have a proven track record in converting user feedback into innovative product features and delivering custom solutions that meet customer needs. At Gisual, a startup where I served as a Software Engineer, I was responsible for developing key product features, optimizing web scraping and data collection processes, and revamping internal tools to enhance system efficiency. I also led the technical support team, resolving complex issues and implementing bug fixes that significantly boosted system reliability and customer satisfaction. My experience extends to data engineering, where I utilized tools like Pandas to diagnose and implement AI-driven solutions. In addition, I have worked as a Systems Integration and Test Intern at CommScope, where I designed and implemented a GUI for network device management using Python, Flask, and JavaScript. This project involved creating interactive features for data comparison and parameter passing, and optimizing load times through RESTful APIs and database queries. I am proficient in multiple programming languages, including Java, Kotlin, Python, C/C++, SQL, and JavaScript, and have hands-on experience with frameworks like React, Node.js, Flask, and Angular. My technical toolkit also includes Git, Docker, RESTful APIs, Kubernetes, and various other development and testing tools. I am well-versed in both frontend and backend development, mobile app development, and cloud platforms such as AWS and Google Cloud. Throughout my career, I have demonstrated a strong ability to learn new technologies quickly and adapt to changing environments. I thrive in collaborative settings and am committed to delivering high-quality software solutions that drive business success. Whether you need to develop a new application from scratch, enhance an existing product, or resolve technical challenges, I am here to help you achieve your goals with professionalism and efficiency. Let's collaborate to turn your ideas into reality!
    Featured Skill API Development
    Git
    Data Extraction
    Selenium
    API Integration
    ChatGPT API Integration
    Web Scraping
    Data Scraping
    Software
    JavaScript
    SQL
    FastAPI
    Flask
    Python Script
    Python
  • $75 hourly
    I am a software engineering generalist experienced in creating quality, resilient solutions to software problems, with a pragmatic approach to evaluate tradeoffs and make the right decision for your projects. I have experience in application development and infrastructure management, so I can fit into a wide range of roles or create and deploy your application end to end, if that’s what you need. I’m extremely comfortable working in different environments and with different technologies, from building user interfaces on the front end to databases, APIs, and data pipelines on the back end. In terms of specific technologies, I bring experience with the following languages and frameworks, among others: - Javascript/Typescript - Node.js - Golang - Python - HTML + CSS - React - Wordpress - C#/.NET I’m a great fit for software projects large or small. Whether you’re looking someone to create and deploy a website for your personal project or small business or a dynamic engineer to add to your agile team, I can deliver solutions that will meet your needs.
    Featured Skill API Development
    Kubernetes
    Scripting
    TypeScript
    JavaScript
    Test Automation
    Automation
    Infrastructure Management
    React
    Web Accessibility
    Python
    Golang
    Node.js
    Web Development
    Software Architecture & Design
  • $50 hourly
    I am a website with experience building full service web sites for small and medium-sized businesses. I can build you a site that will make your life easier. Wether it's an online store, booking, member services or events. I can make your dream a reality. I will plan your site and help you figure whether you have a clear vision or need some help to create one I will manage the project from start to finish, communicating with you regularly and getting your feedback along the way. I will stay on board after completion to provide maintenance and make adjustments needed.
    Featured Skill API Development
    AWS Development
    GitHub
    Tailwind CSS
    React
    Node.js
    TypeScript
    Python
    Web Application
    Product Development
    Web Development
    Ecommerce
  • $75 hourly
    Hi there — I'm Tyler, a Principal Software Engineer and Engineering Manager with over a decade of experience building high-performance web applications, scalable APIs, and modern front-end interfaces. I've led cross-functional teams, managed complex system migrations, and delivered impactful user experiences across startups and enterprise environments alike. Whether you need a sharp eye on architecture, someone to rapidly prototype a product, or just an extra set of hands to push a release across the finish line, I’m here to help. My expertise spans JavaScript (React, Next.js, Node), API development, performance optimization, and product engineering strategy. I'm currently available for ~20 hours per week and looking for meaningful freelance opportunities where I can make an immediate impact. Let’s build something great together.
    Featured Skill API Development
    Redux
    Node.js
    WordPress
    React Native
    CoffeeScript
    ExpressJS
    Test-Driven Development
    AWS Development
    TypeScript
    React
    Full-Stack Development
    Back-End Development
    Front-End Development
  • $17 hourly
    Experienced developer with 5+ years of expertise, including work with one of Europe’s largest banks. I modernized 80% of outdated systems, improving performance and simplifying maintenance. Implemented technologies that enhanced systems for over 300 employees, sped up updates by 75%, and developed tools that increased efficiency by 40%, saving hundreds of hours on routine tasks. I am always excited to take part in new projects and guarantee a personalized approach to every client and task. Let's create something amazing together!
    Featured Skill API Development
    Entity Framework
    Mobx
    Redux
    Node.js
    Next.js
    Full-Stack Development
    Back-End Development
    Front-End Development
    RESTful API
    CI/CD
    C#
    SQL
    .NET Core
    React
  • $50 hourly
    Do you have a Web-based product with issues that must be resolved ASAP? I would love to work with your team to resolve them. I've highlighted a few milestones in my Web Development career. You can find more info in the Work History section: In 2007, I started my career as a Software Engineer. I traveled the world programming robots to assist in automotive assembly lines, newspaper printing presses, well-known hospitals, and more. There is more info in my Portfolio section. In 2014, I pivoted to Web Development. I worked in a Professional Services Organization to implement their SaaS solution for large Life Insurance Companies. There is more info in my Portfolio section. In 2017, I was promoted to the Research & Development Organization. I led many feature designs, documentation, implementation, and deployment for their SaaS solution. In 2024, I have pivoted to assist clients with their existing Web-based products. My goal is to solve urgent issues for clients like you. I enjoy learning how a product works under the hood. I get even more joy from implementing fixes to resolve urgent issues.
    Featured Skill API Development
    Bootstrap
    ASP.NET MVC
    Entity Framework
    TypeScript
    Full-Stack Development
    API Documentation
    SOAP API
    REST API
    API Integration
    Java
    Microsoft SQL Server
    Angular
    Vue.js
    Node.js
  • $5 hourly
    I am a Software Engineer with more than 7 years of experience in software development. My main stack is PHP, having also a deep understanding of React and Javascript.
    Featured Skill API Development
    Project Management
    Web Development
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