Upwork home
Sign up
Secondary

Hire the best API Developers in Istanbul, TR

Check out API Developers in Istanbul, TR with the skills you need for your next job.
Hire freelancers
  • $33 hourly
    • 5.0/5
    • (8 jobs)
    From plugins to themes, I’ll make your WordPress site work like magic – let’s get started! Invite me or save my profile for future reference. Always happy to help. Why I’m the Best Match for Your Project If you're looking for: ✅ Custom Plugin Development tailored to your business goals ✅ Custom Figma to WordPress Theme ✅ Design Updates for your existing website ✅ WooCommerce Development and custom WooCommerce plugin solutions ✅ API Integrations to connect your WordPress site with third-party services ✅ Bug Support to resolve issues and ensure your site runs smoothly. Troubleshooting and fixing WordPress errors ... then I’m the perfect fit for your needs! 🌟 My Previous Projects Here are a few examples of what I’ve worked on: ⭐ Managed and Developed from Scratch a Custom Affiliate WooCommerce Plugin, including database development: Safely transferred data from 3 buggy previous plugins to a new plugin, resulting in a smooth-working system and a happy client. ⭐ Developed a WooCommerce Shop for Video Cooking Lessons: With over 13,000 users and paid access. ⭐ Created a Fully Custom Theme from Figma to WordPress: A responsive theme for a site with over 300,000 monthly users. Ready to get started? I’d love to learn more about your project and how we can collaborate to bring your vision and business needs to life. 📩 Send me an invitation or book a meeting to discuss your project details. Let’s make your ideas a reality! 🌟
    Featured Skill API Development
    Plugin Customization
    Affiliate Marketing Website
    Membership Plugin
    Git
    Ecommerce Website
    WordPress e-Commerce
    JavaScript
    API Integration
    Plugin Development
    WooCommerce
    CSS
    Theme Development
    WordPress
    PHP
  • $40 hourly
    • 4.9/5
    • (27 jobs)
    🏆 Top-Rated AI & Machine Learning Specialist ✅ IBM Certified Data Scientist ✅ Over 5 Years of Experience ✅ Completed 25+ High-Impact Projects 👋 Hello! I'm Mustafa, a passionate AI Specialist and Backend Developer dedicated to transforming complex challenges into innovative solutions. With over 5 years of experience, I specialize in crafting state-of-the-art AI applications and robust backend systems that drive business success. 🌟 Why Choose Me? - Expertise in AI & Machine Learning: Specializing in Deep Learning, NLP, Computer Vision, and Large Language Models (LLMs). - LLM & GPT Specialist: Proficient with GPT, Claude, Llama 3, Mistral, and adept at using LangChain for multi-agent systems. - Backend Development Pro: Skilled in Python, Django, FastAPI, Flask, and PostgreSQL for building scalable and secure web applications. - Advanced Web Scraping: Expert in extracting valuable data using Selenium, Beautiful Soup, Scrapy, and pandas. - Client-Centric Approach: Committed to delivering high-quality results tailored to your specific needs with transparent communication. 🤖 Machine Learning & AI Development - Deep Learning & Neural Networks: Building sophisticated models with TensorFlow, PyTorch, and Keras. - Natural Language Processing (NLP): Developing advanced NLP applications using SpaCy, NLTK, and OpenAI models. - Computer Vision: Creating cutting-edge image recognition systems with OpenCV. - Large Language Models (LLMs): Specializing in GPT, Claude, Llama 3, Mistral, and leveraging LangChain for complex AI tasks. - Vector Search & Embeddings: Implementing efficient vector search solutions with Pinecone, Chroma, and FAISS. - Speech Recognition & Transcription: Utilizing Whisper for accurate and fast speech-to-text conversions. 🔧 Backend Development & API Integration - Web Frameworks: Proficient in Django and Flask for developing secure, scalable web applications. - API Development: Creating and integrating RESTful APIs for seamless automation and data exchange. - Database Management: Expertise in PostgreSQL for robust data storage and management. 🌐 Web Scraping & Data Extraction - Advanced Web Scraping: Extracting data from complex websites using Selenium, Beautiful Soup, and Scrapy. - Data Processing & Analysis: Cleaning and manipulating data with pandas for insightful analytics. - Real-Time Data Feeds: Automating data extraction for up-to-date insights and strategic decision-making. 💬 Client Testimonials - "Mustafa is a talented programmer and an excellent communicator. He's always available to offer ideas and advice. I'll continue working with him in the future!" - "Mustafa is the best. Any problem I tasked him with was fixed super fast. If you need an AI guy, there's no better alternative." 💻 Technical Proficiencies - Programming Languages: Python, JavaScript - AI & ML Frameworks: TensorFlow, PyTorch, Keras, OpenCV, SpaCy, NLTK - LLMs & Tools: GPT, Claude, Llama 3, Mistral, LangChain, Pinecone, Whisper - Web Scraping Tools: Selenium, Beautiful Soup, Scrapy, pandas - Backend Development: Django, Flask, PostgreSQL - API Integration: RESTful APIs, Custom Automation Scripts 📈 Let's Achieve Your Goals Together! I'm passionate about leveraging AI and Machine Learning to drive innovation and efficiency. Whether you need an advanced AI model, a robust backend system, or sophisticated data extraction, I'm here to help you succeed. 📩 Ready to take your project to the next level with cutting-edge AI solutions? Let's connect and discuss how I can contribute to your success. Contact me today, and let's start building the future together!
    Featured Skill API Development
    Web Scraping
    Back-End Development
    AI Content Creation
    AI Chatbot
    AI Agent Development
    AI Development
    Generative AI
    Large Language Model
    Natural Language Processing
    Deep Learning
    Machine Learning
    Data Science
    Artificial Intelligence
    Python
  • $80 hourly
    • 5.0/5
    • (10 jobs)
    I am an experienced software developer. I work on various software projects. I like to use: Python, Node.js, Rust, Elixir, Php, Redis, Github, Bitbucket, Mysql, Mongo, Solana Network, Jito, Crypto Trading Bots. If you need a software solution feel free to contact me.
    Featured Skill API Development
    Cryptocurrency
    Blockchain, NFT & Cryptocurrency
    Websockets
    Socket.io
    Node.js
    Rust
    MongoDB
    MySQL
    Python
    JSON
    JavaScript
    Microservice
    API Integration
    Elixir
  • $70 hourly
    • 5.0/5
    • (12 jobs)
    Full-Stack Developer & DevOps Engineer Backend Development ✔️ PHP Ecosystem: Expert in Laravel & Symfony for enterprise-grade applications, with experience in CodeIgniter and Slim for lightweight solutions. ✔️ Golang (Go): Designing high-performance microservices, RESTful APIs, and CLI tools for resource-intensive workflows. ✔️ Architecture: Specialized in microservices, distributed systems, and cloud-native development. Frontend Development ✔️ Modern interfaces with HTML5, CSS3, JavaScript (ES6+), and Vue.js for reactive applications ✔️ UI/UX Focus: Responsive design mastery with Tailwind CSS and Bootstrap ✔️ Legacy Integration: jQuery optimization for legacy system modernization DevOps & Cloud Infrastructure ✔️ Google Cloud Platform (GCP): Deployment, scaling, and monitoring of cloud-native applications ✔️ Containerization: Dockerized environments for consistent development/production parity ✔️ Linux Environment: Server configuration, scripting, and performance tuning Automation & Tooling ✔️ Python-powered browser automation (web scraping, data extraction, workflow bots) ✔️ CI/CD pipeline design and optimization ✔️ Custom CLI utilities for developer productivity Core Practices ✅ Git version control workflows ✅ Test-driven development (TDD) ✅ Agile methodology implementation Why Work With Me? I bridge the gap between code and infrastructure, delivering complete solutions from prototype to production. Whether you need a performant backend system, a modern web interface, or automated workflows, I focus on maintainable architectures that grow with your business. Let's discuss how I can help streamline your project with the right tech stack.
    Featured Skill API Development
    Linux
    Front-End Development
    API
    Back-End Development
    Full-Stack Development
    MySQL
    API Integration
    Golang
    HTML
    JavaScript
    AJAX
    jQuery
    Laravel
    PHP
  • $50 hourly
    • 5.0/5
    • (10 jobs)
    Summary Experienced Lead Software Engineer with a demonstrated history of working in the airlines/aviation industry. Strong engineering professional with a Bachelor of Science (BSc) focused in Computer Engineering from Middle East Technical University. "Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away." - Antoine de Saint-Exupéry, Airman's Odyssey
    Featured Skill API Development
    Agile Project Management
    Leadership Skills
    Scrum
    Computer Engineering
    RESTful API
    Agile Software Development
    Amazon Web Services
    Java
    JavaScript
    Node.js
  • $35 hourly
    • 5.0/5
    • (2 jobs)
    I'm a developer with 35 years of experience in analysing, designing, developing and deploying applications of broad diversity; from Windows desktop applications to mobile applications on handheld devices for field teams, from autonomous driving applications to API development from scratch. I can be of help to any team or individual in their software projects involving C#, C, C++ or JavaScript.
    Featured Skill API Development
    SQL
    Windows App Development
    Robot Operating System
    Automation
    C#
    C++
    JavaScript
  • $40 hourly
    • 5.0/5
    • (2 jobs)
    I am a software developer with 6 years of experience. I have strong understanding and knowledge of the object-oriented approach, software engineering principles, and concepts. I have an incredible attention to detail and perseverance in getting the job done. Here is a summary of my expertise: ✅ Spring, Spring Boot, Spring Cloud, Spring Security ✅ Hibernate, JPA, JDBC ✅ PostgreSQL, MySql, Flyway, Redis ✅ JSON, Rest API, XML, SOAP, GraphQL ✅ React.js, Redux, HTML, CSS, CSS3, Bootstrap, jQuery, Material UI, Ant Design ✅ C++, Qt, QML ✅ Apache Tomcat, Gradle, Maven, Webpack, Babel ✅ GitHub, Jira, Bitbucket
    Featured Skill API Development
    Reverse Engineering
    CAN Bus
    Linux
    Embedded Linux
    Qt Framework
    RESTful API
    GraphQL
    JavaScript
    Spring Framework
    MySQL
    PostgreSQL
    React
    API Integration
    Java
  • $90 hourly
    • 5.0/5
    • (7 jobs)
    I bring it all together to make sure your apps are smart, your data is tidy, and your workflows are smooth. I write scripts that automate the boring stuff, saving you time. Let's chat about how we can optimize your tech together. 🔸API Integration 🔹Airtable Automation Development 🔸Airtable System Design / Optimization 🔹Airtable Scripting 🔸Airtable Consultation 🔹Workflow Optimization Let's chat about how we can optimize your tech together.
    Featured Skill API Development
    MailerLite
    Sendinblue
    SendGrid
    Next.js
    Zapier
    Bubble.io
    Database Design
    Database Architecture
    Database
    Automated Workflow
    REST API
    Database Development
    Automation
    Airtable
  • $35 hourly
    • 5.0/5
    • (2 jobs)
    COMPUTER VISION FAMILIARITIES / FRAMEWORKS Machine Learning (Regression, Classification) Deep Learning (Pytorch, Tensorflow, Keras, ANN, CNN, RNN etc.) Useful Libraries (OpenCV, PIL, Numpy, Scikit-image, Sklearn, Pandas, Scipy, Nltk, Zemberek, Spacy, Huggingface etc.) Object Detection (Darknet, YoloR, Yolov7) Object Segmentation (Detectron2, Yolov7 segmentation) Object Tracking (DeepSort, ByteTrack, FastMOT) Pose Estimation (MMPose, Yolov7 pose) Face Detection and Recognition Optical Character Recognition Age, Gender, Emotion Detection Heatmap E2E Solutions (Redis, Docker, Docker Compose) Nvidia Technologies (Cuda, Cudnn, Tensorrt, Triton, TAO) NLP FAMILIARITIES / FRAMEWORKS Sentiment Analyzer Translator Language Detector Question-Answer Text-to-speech / Speech-to-text (English, Turkish) Spell Checker and Corrector Sentence Vectors and Similarity
    Featured Skill API Development
    Product Development
    Machine Learning
    Machine Learning Model
    Artificial Intelligence
  • $50 hourly
    • 5.0/5
    • (2 jobs)
    # Full project management from start to finish # Workflow design # Bug fixing # Automation # Integration with 3rd party apps #API Integration / Automation # Scripting (Adaptavist ScriptRunner) # ITSM # Asset Management # Risk Management # Agile # Scrum # Kanban # Reporting Since 2021, we have been actively using Atlassian products I have developed projects for leading companies in Turkey in various areas such as implementation of Agile Management Model using Atlassian products, ITSM solutions and asset management. In accordance with the “best practices” approach published by Atlassian, I have developed both configuration and I produce solutions with custom script development.
    Featured Skill API Development
    Automation
    Scripting
    Agile Software Development
    Agile Project Management
    Agile CRM
    Kanban Methodology
    Kanban Board
    Scrum
    Project Risk Management
    Project Management
    IT Service Management
    IT Asset Management
    Atlassian Confluence
    Jira
  • $40 hourly
    • 5.0/5
    • (5 jobs)
    Skills 🖥 iOS Development, Xcode, Swift 🖥 Able to work mobile apps that is used by 100K+ users. 🖥 Rest API 🖥 UI UX Consulting in projects 🖥 MVC, MVVM, VIPER, Clean Architectures 🖥 Firebase Auth, Firebase Cloud Firestore, Firebase Realtime DB etc. 🖥 AVFoundation, video issues. 🖥 Firebase Crashlytics 🖥 Appstore issues 🖥 3rd party library implementations 🖥 Cocoapods, Carthage 🖥 Google AdMobs, Advertisements 🖥 OneSignal, Insider, Related Digital Push Notification services. Highlight Projects - kariyer.net app - Duuple Challenge app - FirebaseAuth / Realtime DB, Cloud Firestore Modules - Taxi (Transportation) App - Apps about betting for sports. - Messaging Apps - Also so many complex and big volume mobile apps. Education - Physics License - Computer Engineering Master Degree Experience - 8 years. Focuses; - App quality, - Good Architecture - Delivery on time so happy clients :) I am an expert Swift developer and very comfortable for using Swift libraries. I can also speak English fluently so, can make a call with you for brain storming your architecture or UI/UX etc.
    Featured Skill API Development
    Adobe XD
    Model View ViewModel
    macOS
    Mac OS App Development
    Google APIs
    JSON
    Zeplin
    VIPER
    Cocoa API
    RESTful API
    Apple Xcode
    iOS Development
    MapKit
    Swift
    iOS
  • $90 hourly
    • 4.9/5
    • (98 jobs)
    I am a master web developer with over a decade of experience on Upwork with a stellar reputation. I help businesses create revolutionary software products and achieve breakthrough results. The most significant value I provide is the peace of mind, knowing that you have hired the absolute best person for the job, and no matter what, technical issues will never hinder your progress. I rank in the top 1% of the entire Upwork by no coincidence. I specialize and have proven experience in the following project types: - SaaS Platforms. - E-Commerce. - Social Network Websites. - Educational Platforms, LMS. - Freelance Platforms. - Health and Meal Planning Applications. - HIPPA Compliant Healthcare Solutions. - Gambling and Sports Betting Websites. Here is how it works: 1. We schedule an exploratory call to discuss your project and see if I am a good fit. If I am not, you will benefit from a free consulting call, and I will also help you find the right freelancer for the job. 2. Suppose we decide to proceed after the call. In that case, I will do extensive research and develop the best approach for your project, select the technology stack, plan out a road map, break down the development into modules and create a schedule. I will share this report with you for your revision. 3. Once the development plan is in place, I will suggest a payment structure broken down into convenient milestones. And I will propose a reporting schedule for maximum transparency. 4. Throughout the development, I will be providing live results for your feedback. A great product never comes from a predefined plan but results from a flexible development that is open to revisions, criticism, and improvements, and this is the path we will be taking. Every line of code written by my team or me will be tested countless times by a dedicated full-time professional tester. 5. After project delivery and even after the job is closed on Upwork, I will always provide free bug fixes, regardless of how much time has passed. 5.1. Bonus: A remarkable product is never truly done; it is alive. I am always pro-long-term. If you wish to keep the product updated and release new versions, I will be delighted to help. I excel at the following languages and technologies: - C#, .NET, .NET Core, ASP.NET MVC, ASP.NET Web API, Winforms, WPF. - Angular. - HTML, CSS, JavaScript, JQuery. - SQL, Microsoft SQL Server. - Microsoft Azure. I also have extensive experience with a vast number of APIs, including but not limited to: Twilio, SendGrid, Twitter API, Facebook API, Amazon API, Walmart API, Google AI, Google Translate, Google Maps, Google Trends, Microsoft AI, Azure B2B, OpenCV, Canon API, iTextSharp, Crypto Payments APIs, Crypto Exchange APIs... I take great pride in what I do; I make no compromises and build with reliability. Allow me to enable you to focus on what matters and let me take care of the technical side.
    Featured Skill API Development
    Artificial Intelligence
    Minimum Viable Product
    .NET Core
    Startup Company
    Business with 10-99 Employees
    Business with 1-9 Employees
    Full-Stack Development
    Microsoft Azure
    C#
    ASP.NET
    Desktop Application
    ChatGPT
    SaaS
    Web Development
  • $50 hourly
    • 5.0/5
    • (1 job)
    20+ years of Web Development experience 10+ years of Linux System Administration experience 5+ years of Software Development Team Lead experience
    Featured Skill API Development
    Sphinx
    RabbitMQ
    Linux System Administration
    Elasticsearch
    DevOps
    API Integration
    MySQL
    MongoDB
    Redis
    Aerospike
    PostgreSQL
    Django
    Python
    Golang
  • $50 hourly
    • 4.6/5
    • (21 jobs)
    With over 12 years of web development experience, I have honed my skills as an integration expert. As a certified 3rd party developer by Amazon with full SP API access, I excel at seamlessly integrating various technologies and systems to optimize your digital solutions. Whether it's e-commerce or other domains, I'm ready to help you achieve seamless integration and enhance your online presence. ☕ Certified Amazon 3rd Party Developer with Full SP API Access. 🚀 Marketplace API Integration Wizard (Amazon, eBay, Walmart, Etsy, Shopify). 🌐 Seamless Drop Shipping App Guru with Supplier Integration. 📦 Amazon Product Listing Pro: Bulk Uploads, Product Mapping (Over 1 Million Products Listed). 🧐 Powerful Research Tools for Amazon, eBay, Walmart, Bonanza, and Beyond! 💰 Price Comparison and Monitoring Solutions for Market Domination. 💳 Hassle-Free Payment Gateway Integration (Stripe, Authorize.net, and Beyond). 🌟 Proven Track Record with Amazon, eBay, Shopify, Walmart, Jet, Magento, WooCommerce APIs, and Many More! 🤖 AI Smart Listing Solutions for Turbocharged Product Visibility and Sales. But here's the scoop: my passion for coding runs as deep as my love for coffee and biscuits. If it weren't for those delightful munchies, I'd code all day for free! 😄 Now, let's dive into the exciting world of Local Selling Inventory and Amazon BOPIS (Buy Online Pickup In-Store). With a cup of coffee in one hand, a biscuit in the other, and my coding magic, we'll make your project soar to new heights! Feel free to let me know if you'd like any further tweaks or if you have any specific requests! So if you want to venture into the world of Local Selling Inventory and Amazon BOPIS (Buy Online Pickup In-Store), let's work together and make your project a success. Let's brew some coffee, grab some biscuits, and dive into the world of e-commerce like never before!
    Featured Skill API Development
    Shopify
    Amazon API Gateway
    Web Design
    eBay API
    Dashboard
    Amazon FBA
    Amazon MWS
    Laravel
    PHP
  • $40 hourly
    • 4.9/5
    • (62 jobs)
    I have been in mobile development for 8+ years, especially iOS, since iOS 4. For the most of my time I have been working on in-house applications, and for the last 2 years, I am trying to contribute in any project that makes me excited. I have deployed more than 30 apps on App Store. And continuing to do so. I am also experienced at building backends for complex systems (on PHP most of the time) for mobile applications and web frontends. As a perfectionist, I try to make sure everyone gets satisfied with the quality of the job I have been assigned to, instead of just completing requirements.
    Featured Skill API Development
    Web Scraping
    API
    Web Crawling
    iPad UI Design
    iPhone UI Design
    Scripting
    iPad App Development
    Swift
    Objective-C
    API Integration
    PHP
    iOS Development
    Laravel
    Android App Development
  • $40 hourly
    • 5.0/5
    • (12 jobs)
    🚀 Full-Stack Developer | Laravel, Node.js, Vue.js, AWS Expert I build scalable, secure, and high-performance web apps that drive business growth. With 7+ years of experience, I’ve delivered 50+ projects, including solutions for Fortune 500 companies. Why Choose Me? ✅ Built a fintech platform processing $3B+ in monthly payments. ✅ Saved clients $10M+ annually with online ordering system. ✅ Expertise in Laravel, Node.js, Vue.js, AWS, and API Development. ✅ Clear communication, on-time delivery, and measurable results. What My Clients Say ⭐️⭐️⭐️⭐️⭐️ "Exceptional developer! Delivered beyond expectations. Highly recommend!" ⭐️⭐️⭐️⭐️⭐️ "His expertise in Laravel and Node.js is unmatched. A true professional." Highlighted Projects 1. Fintech Payment Gateway: Processed $3B+ monthly transactions, 40% faster. 2. E-Commerce Platform: Saved $10M annually by replacing third-party tools. 3. Enterprise SaaS Solution: Improved efficiency by 30% for a Fortune 500 company. Let’s Work Together! Need a scalable web app, robust API, or expert guidance? Let’s discuss your project and create something amazing. 📩 Invite me to your job post or message me directly to get started!
    Featured Skill API Development
    Data Entry
    Data Scraping
    Typing
    Data Mining
    PDF Conversion
    WordPress
    Microsoft Excel
    Microsoft Word
    Data Extraction
    Vue.js
    Microservice
    Symfony
    Agile Software Development
    Web Development
    Problem Solving
    JavaScript
    Third-Party Integration
    Redis
    RESTful API
    NodeJS Framework
    Laravel
    PHP
  • $45 hourly
    • 0.0/5
    • (0 jobs)
    I have been working in software development for the last 14 years. Having successfully transferred my engineering background and analytical thinking ability into software development, I have worked in many companies that developing marketing automation projects and cloud applications in recent years. My expertise is in a large range of modern open source backend technologies as well as having a keen eye on machine learning, deep learning and artificial intelligence.
    Featured Skill API Development
    HTML
    Node.js
    AWS Lambda
    MongoDB
    JavaScript
    Vue.js
    Laravel
    PHP
    NoSQL Database
    Elasticsearch
    MySQL Programming
    PostgreSQL Programming
    Redis
    Python
  • $35 hourly
    • 0.0/5
    • (1 job)
    I design and develop business applications in different scales. Web based CRM & ERP's to desktop time tracking software. You can show me your business workflow or simply send me an excel sheet, and receive a full blown web software customized to your needs in return. I have created; * API based services with PHP, Node.js and Python. * Desktop & Web UI/UX designs. * Progressive Web Applications. * Purpose built management applications. * Data mining services. * Discord & Telegram bots. * Audio streaming and real time messaging solutions. I am proficient in: * Python * Node.js * PHP * Relational DBs - MySQL etc... * NoSQL DBMS - MongoDB * CSS, SCSS * Gitlab & Github CI * Bare metal VPS setups * Distributed services via containers Frameworks I like to use in ground-up projects: - Laravel - Fast API - Django - Nest.js - Express.js - Vue.js - Quasar - Pyside (Qt) I don't fancy: * React stacks. Although I can develop React apps as well.
    Featured Skill API Development
    App Development
    GUI Design
    Vue.js
    Web Design
    Graphic Design
    Node.js
    Extension & Module Development
    Bootstrap
    Adobe Photoshop
    SCSS
    PHP
    Python
    CSS
    JavaScript
  • $35 hourly
    • 5.0/5
    • (2 jobs)
    👋🏻 I'm Eyüp, thank you for taking the time to review my profile. 📌 Converting Old PHP code to the last PHP version or Laravel/CodeIgniter Framework. 📌 Maintenance of your legacy PHP website. 📌 Developing Custom PHP web apps. 📌 Developing web apps based on Laravel or CodeIgniter PHP Framework. 📌 Speed Optimization, following best practices of PHP/MySQL. 📌 Converting Custom PHP into Laravel Framework. 📌 Developing Backend for Mobile apps. Skills: PHP ▩ CodeIgniter ▩ Laravel ▩ Symfony ▩Opencart▩Prestashop ▩ SQL ▩ Javascript ▩ jQuery ▩ React ▩ Vue ▩ AJAX ▩ HTML ▩ CSS ▩ Bootstrap ▩ Material ▩ REST API ▩ ▩ Centos ▩ Github ▩ Bitbucket I highly emphasise the speed, maintainability and readability of the code. I make sure to provide a pixel-perfect, fully responsive, cross-browser compatible websites. I'm a Full-Stack developer. My tagline is "Imagination is more significant than knowledge".
    Featured Skill API Development
    Data Scraping
    Web Development
    Web Scraping
    API Integration
    Custom PHP
    Laravel
    PHP Script
    Golang
    PHP
    CSS 3
    MySQL
    HTML5
    JavaScript
  • $20 hourly
    • 5.0/5
    • (1 job)
    I am a backend developer with a focus on Python. I am excited to bring my passion for programming and my strong foundation in computer science to a wide range of projects. As a backend developer, I am skilled in developing and maintaining web applications, building APIs, and optimizing database performance. I am also proficient in writing clean, efficient, and well-documented code. I am eager to work with clients to help bring their vision to life, whether it be building a new web application from scratch or updating and maintaining an existing one. I am a strong communicator and always strive to deliver high-quality work on time. If you are in need of a backend developer who is reliable, passionate, and committed to producing excellent results, I would love the opportunity to work with you. Please don't hesitate to reach out to me to discuss your project further. Thank you for considering me for your project
    Featured Skill API Development
    Scrapy
    Selenium
    Web Scraping
    Telegram API
    API Integration
    API
    PostgreSQL
    SQL
    SQLAlchemy
    Flask
    Python
    Web Development
    Git
    Database Design
  • $150 hourly
    • 0.0/5
    • (1 job)
    Building (and deprecating) software is my passion. As a former Amazonian devoted to helping customers and solving problems, I bring a strong sense of ownership and a track record of delivering results. With over four years of experience developing serverless apps on AWS, I have a proven ability to take on technical duties from operations to backend development and architecture. I’m a certified AWS solutions architect, who had worked as part of a globally distributed team of engineers in the past few years. I am confident that my background and expertise make me a valuable asset to any team.
    Featured Skill API Development
    RESTful API
    AWS CloudFormation
    Amazon Web Services
    AWS Lambda
    Engineering & Architecture
    NodeJS Framework
    NestJS
    AWS AppSync
    Serverless Computing
    Amazon DynamoDB
    TypeScript
    Python
    JavaScript
  • $25 hourly
    • 5.0/5
    • (1 job)
    Forward-thinking Software Developer with 10+ years of experience in IT Management, ERP Consulting, and .NET Core Development. Adept at leveraging technology to drive business transformation, streamline processes, and deliver high-quality software solutions. Proven leader in managing teams, directing projects, and implementing ERP systems to enhance operational efficiency.
    Featured Skill API Development
    Vue.js
    .NET Core
    Database Management System
    IT Management
    API
    Information Technology
    Microsoft Power BI
    SQL Programming
    Business Intelligence
    Software Development
    International Development
    Technical Project Management
    Microsoft SQL Server
    SQL
  • $20 hourly
    • 5.0/5
    • (2 jobs)
    I’m a software engineer with experience in developing both front-end and back-end systems I create unique, innovative, open source, and responsive websites. I try to leave every bit I code I touch more readable, modular, performant and accessible than I found it. • Outstanding individual contributor and a fantastic team player; illustrates the true meaning of teamwork, creates good, long-lasting relationships with others along the way. • Strategic thinker/a nonconformist; striving to make the best of each and every situation. • Self-starter/Internally motivated who draws energy from unknowns. • Capable of working very independently with excellent quality and have a natural desire to constantly develop new skills.
    Featured Skill API Development
    RESTful API
    API
    Computer Science
    MongoDB
    Facebook JavaScript
    CSS
    JavaScript
    TypeScript
    Angular
    React
    HTML
    Git
    CSS 3
    Next.js
  • $35 hourly
    • 0.0/5
    • (0 jobs)
    Hello, I'm Cihat, a versatile Full Stack Web Developer and Software Engineer skilled in a variety of technologies including JavaScript, React, Angular, Node.js, Go, and .Net Core. I develop dynamic web applications and backend services. I enjoy collaborating and completing projects within budget and time constraints. Understanding and tailoring solutions to client needs is crucial for me. For innovative and effective web solutions, work with me to bring your projects to life!
    Featured Skill API Development
    Node.js
    Web Application
    Git
    JavaScript
    API
    Docker
    ASP.NET Core
    RESTful API
    Bootstrap
    Django
    React
    Front-End Development
    RESTful Architecture
    Next.js
  • $8 hourly
    • 5.0/5
    • (1 job)
    - Motivated Software Engineer with a specialization in .NET framework and full-stack web development. - Equipped with foundational skills in C#, JavaScript, TypeScript, Python, React, and Angular. - Experienced in working successfully in multicultural environments and collaborating in international team settings. Key Achievements: - Applied .NET framework skills in a cost reduction project, resulting in a 2x performance increase. - Designed and developed a server-side application with Python that communicates with 100+ clients concurrently. - Awarded for the best project in the Computer Engineering department at the university. Showed proven ability to: - Build robust web applications. - Navigate and manage databases with proficiency in EF Core. - Effectively manage code using Git. - Participate in and contribute to Agile processes. - Fix critical bugs in large enterprise applications.
    Featured Skill API Development
    Microsoft Azure
    CSS
    HTML
    Web Development
    JavaScript
    C#
    TypeScript
    React
    Angular
    Deep Neural Network
    AI Content Creation
    Generative AI
    .NET Framework
    Python
  • $9 hourly
    • 5.0/5
    • (1 job)
    🚀 𝗧𝗿𝗮𝗻𝘀𝗳𝗼𝗿𝗺𝗶𝗻𝗴 𝗜𝗱𝗲𝗮𝘀 𝗶𝗻𝘁𝗼 𝗦𝗰𝗮𝗹𝗮𝗯𝗹𝗲, 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗲𝗱 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 🚀 I specialize in 𝗳𝘂𝗹𝗹-𝘀𝘁𝗮𝗰𝗸, 𝗰𝗿𝗼𝘀𝘀-𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 and 𝗔𝗜-𝗱𝗿𝗶𝘃𝗲𝗻 𝗮𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻, helping businesses streamline operations and enhance efficiency. From web and mobile applications to AI-powered automation, I build 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 that save time and resources. ✅ 𝙒𝙝𝙖𝙩 𝙄 𝘾𝙖𝙣 𝘿𝙤 𝙛𝙤𝙧 𝙔𝙤𝙪: 🔹 𝗖𝗿𝗼𝘀𝘀-𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 – Build once, deploy everywhere! I develop native-like apps for iOS, Android, web, and desktop from a single codebase, reducing costs and simplifying maintenance. 🔹 𝗔𝗜-𝗣𝗼𝘄𝗲𝗿𝗲𝗱 𝗣𝗿𝗼𝗰𝗲𝘀𝘀 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 – Optimize workflows with AI-driven automation bots, RPA (Robotic Process Automation), and smart AI assistants to handle repetitive tasks efficiently. 🔹 𝗘𝗥𝗣 & 𝗜𝗻𝘁𝗲𝗿𝗻𝗮𝗹 𝗦𝘆𝘀𝘁𝗲𝗺𝘀 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 – Experience in business management platforms, including logistics, warehouse tracking, and manufacturing solutions. 🔹 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 – Crafting modern, responsive, and interactive UIs for a seamless user experience. 🔹 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗔𝗣𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 – Building robust and scalable RESTful APIs for data-intensive applications. 🔹 𝗜𝗼𝗧 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 – Integrating data streams from IoT brokers and devices for analysis and action-driven automation. ⚡ 𝙏𝙚𝙘𝙝𝙣𝙤𝙡𝙤𝙜𝙞𝙚𝙨 𝙄 𝙒𝙤𝙧𝙠 𝙒𝙞𝙩𝙝: 🔹 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: Vue.js | Nuxt.js | Quasar.js | Capacitor.js 🔹 𝗕𝗮𝗰𝗸𝗲𝗻𝗱: PHP Laravel | MySQL | REST APIs | Postman 🔹 𝗔𝗜 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻: TensorFlow | OpenAI | UiPath | OpenRPA 🔹 𝗜𝗼𝗧 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻: ESP32 | Raspberry Pi | EMQX | Mosquito 🔹 𝗖𝗹𝗼𝘂𝗱 & 𝗛𝗼𝘀𝘁𝗶𝗻𝗴: Linux VPS | Shared Hosting | Cloud Hosting | On Premis Hosting 💡 If I don’t know a technology, that doesn’t mean I won’t get it done. I thrive on learning and problem-solving to deliver the best possible solution. 🤝 𝙒𝙝𝙮 𝙒𝙤𝙧𝙠 𝙒𝙞𝙩𝙝 𝙈𝙚? ✔️ 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀-𝗢𝗿𝗶𝗲𝗻𝘁𝗲𝗱 𝗔𝗽𝗽𝗿𝗼𝗮𝗰𝗵 – I don't just build software; I create efficient solutions that align with your business goals. ✔️ 𝗖𝗹𝗲𝗮𝗿 & 𝗙𝗮𝘀𝘁 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻 – I ensure seamless collaboration and regular updates. ✔️ 𝗘𝗻𝗱-𝘁𝗼-𝗘𝗻𝗱 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 – From concept to deployment, I handle it all. 💡 Have an idea? Let’s bring it to life! 𝗠𝗲𝘀𝘀𝗮𝗴𝗲 𝗺𝗲 𝘁𝗼 𝗱𝗶𝘀𝗰𝘂𝘀𝘀 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝘁𝗼𝗱𝗮𝘆.
    Featured Skill API Development
    AI Model Integration
    Robotic Process Automation Software
    Customer Portal
    Internet of Things Solutions Design
    Dashboard
    Vue.js
    Quasar Framework
    Laravel
    Full-Stack Development
    Cross-Device Compatibility
    Mobile App
    App Development
    ERP Software
    Web Application Development
  • $34 hourly
    • 0.0/5
    • (0 jobs)
    As a seasoned Industrial Engineer with over 7 years in commercial banking and a passion for cutting-edge technology, I bring a unique blend of analytical thinking, business acumen, and programming expertise to every project. My background equips me with a distinctive approach to solving business challenges through code. Core Competencies: • Python Application Development • Web Development with Django & Django REST Framework & Flask • Front-End Development (React, HTML, CSS, JavaScript) • Database Management (SQLAlchemy) • API Development and Integration • Process Automation and Optimization • Exploratory Data Analysis and Visualization (Pandas, Numpy, Seaborn, Plotly) • Machine Learning (scikit-learn) I specialize in transforming business requirements into efficient, scalable Python solutions. My engineering background allows me to quickly grasp complex processes and translate them into streamlined, automated workflows. Key Offerings: • Custom Web Applications: Developing Django and Flask-based tools that address specific business needs • Process Automation: Creating Python scripts to boost productivity and reduce manual tasks • Database Solutions: Designing and implementing efficient data storage and retrieval systems • API Integration: Enabling seamless communication between different software systems • Data-Driven Insights: Leveraging data analysis and visualization to inform business decisions • Business Analysis: Analyzing processes to identify opportunities for technological improvement Whether you're looking to automate repetitive tasks, develop a custom internal tool, or create a data-driven web application, I offer a comprehensive approach to problem-solving. I don't just write code – I architect digital solutions that align with your business objectives. Let's collaborate to turn your business challenges into opportunities for innovation and growth. I'm ready to apply my unique combination of engineering insight and Python expertise to help your projects succeed.
    Featured Skill API Development
    CI/CD
    Full-Stack Development
    Redis
    Docker
    PostgreSQL
    React
    pandas
    Jupyter Notebook
    Exploratory Data Analysis
    RESTful API
    Flask
    Django
    Python
  • Want to browse more freelancers?
    Sign up

How hiring on Upwork works

1. Post a job

Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.

2. Talent comes to you

Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.

3. Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

4. Payment simplified

Receive invoices and make payments through Upwork. Only pay for work you authorize.

Trusted by

How do I hire a API Developer near Istanbul, on Upwork?

You can hire a API Developer near Istanbul, on Upwork in four simple steps:

  • Create a job post tailored to your API Developer project scope. We’ll walk you through the process step by step.
  • Browse top API Developer talent on Upwork and invite them to your project.
  • Once the proposals start flowing in, create a shortlist of top API Developer profiles and interview.
  • Hire the right API Developer for your project from Upwork, the world’s largest work marketplace.

At Upwork, we believe talent staffing should be easy.

How much does it cost to hire a API Developer?

Rates charged by API Developers on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.

Why hire a API Developer near Istanbul, on Upwork?

As the world’s work marketplace, we connect highly-skilled freelance API Developers and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream API Developer team you need to succeed.

Can I hire a API Developer near Istanbul, within 24 hours on Upwork?

Depending on availability and the quality of your job post, it’s entirely possible to sign up for Upwork and receive API Developer proposals within 24 hours of posting a job description.

API Developer Hiring Resources

Learn about cost factors Hire talent

Looking to hire for long-term or full-time assignments? See how Full-time hiring on Upwork simplifies the process.