Hire the best Backend Rest API Freelancers in San Jose, CA

Check out Backend Rest API Freelancers in San Jose, CA with the skills you need for your next job.
Clients rate Backend Rest API professionals
Rating is 4.7 out of 5.
4.7/5
based on 118 client reviews
  • $65 hourly
    Hi there! I'm a Full Stack Software Engineer with 3+ years of experience who's ready to transform your ideas into reliable and production ready software. I specialize in Full Stack Web Development and Data Science using tools like Python, Django, Flask, Fast API, React, Next.js, and Pandas to deliver fast, clean, and maintainable code. I'm quick to adapt to new technologies and workflows and I focus on clear communication, meeting deadlines, and improving your development process. Excited to learn more about your goals and bring your vision to life!
    Featured Skill Backend Rest API
    React Native
    RESTful API
    SQL
    Dart
    Google Sheets Automation
    Cloud Computing
    API Development
    Web Scraping
    Django
    React
    Python
  • $63 hourly
    I am a Fullstack developer. I have +10 years of experience in web development. Expert in backend API development and Javascript base front-end development. Export to develop large-scale Python Django applications. Django Rest Framework expertise. Export Automation and data scraping tools like selenium, scrapy. Experienced Data analyst. I get used to working on different types of projects in my career, I've worked for 5 years in a tech company in Silicon Valley which is creating solutions for the biggest GSM operator AT&T as a lead senior developer. I have 7 years of Python (Django) experience, I am familiar with Flask. I've worked on IOT devices (raspberries). I have a year of experience in mobile development with React-Native. I describe myself as Digital Nomad, I believe I have good social skills to communicate and I believe I am a solution-oriented person.
    Featured Skill Backend Rest API
    Front-End Development
    Data Scraping
    MySQL Programming
    RESTful API
    Elasticsearch
    API Development
    React
    Python
    MongoDB
    Docker
    JavaScript
    Django
    jQuery
  • $40 hourly
    As an experienced Full Stack Developer and Cloud Solutions Architect, I bring over 6 years of expertise in developing and scaling robust, user-focused mobile and web applications. I have a proven track record of delivering end-to-end solutions—from conceptualization to deployment—across diverse industries. Whether it’s building cross-platform mobile apps, crafting scalable backend systems, or designing seamless cloud infrastructures, I take pride in creating impactful digital products that meet client goals. Key Skills and Expertise Mobile App Development: Extensive experience in building Android and iOS applications using Flutter, Swift, Java, and Xamarin Forms. Backend Development: Proficient in Java (Spring Boot, JPA), Node.js, PHP, and Shell Scripting, with expertise in creating scalable RESTful APIs and microservices architectures. Cloud Solutions: Hands-on experience deploying services on AWS, Google Cloud Platform (GCP), and Microsoft Azure, leveraging technologies like Docker, Kubernetes, and serverless functions for cost-effective, high-performing SaaS solutions. UI/UX Development: Skilled in crafting engaging, responsive interfaces using HTML5, CSS3, JavaScript, React, and Angular, ensuring user satisfaction and retention. SaaS Product Development: Adept at transforming ideas into fully functional SaaS tools, bringing products from 0 to 1 and scaling them for market success. Virtualization & Infrastructure: Experience with VMware Fusion and cloud orchestration tools to manage infrastructure efficiently. Career Highlights Cloud-Based Automation Tool: Spearheaded the development of a cloud-based testing automation platform, improving QA processes and boosting deployment speed for enterprise clients. Health Food Delivery App: Designed and launched a mobile application for health food delivery, reaching 100,000+ users and achieving a 20% increase in user retention. Community Engagement Platform: Built a scalable platform for empowering women, integrating API-driven solutions and cloud services, and achieving widespread adoption. SaaS Tools Development: Worked with multiple clients to design and develop SaaS products, successfully deploying services on cloud infrastructure while ensuring cost optimization and scalability. Why work with Me? End-to-End Expertise: I am skilled in managing all aspects of development—from backend systems and cloud deployment to user-facing applications—ensuring cohesive and reliable solutions. Client-Centric Approach: I collaborate closely with clients to understand their unique requirements, tailoring solutions that align with their vision and business objectives. Innovative Problem Solver: My passion for technology drives me to create innovative solutions for complex challenges, ensuring efficiency and long-term value. Reliable & Committed: I deliver projects on time and within budget, maintaining the highest standards of quality. Tools & Technologies Programming Languages: Java, Dart, PHP, Node.js, Shell Scripting Frameworks & Libraries: Spring Boot, JPA, React, Angular Mobile Development: Flutter, Swift, Xamarin Forms Cloud Platforms: AWS, GCP, Microsoft Azure Databases: MySQL, PostgreSQL, MongoDB Version Control & CI/CD: Git, Jenkins, Docker If you’re looking for a developer who combines technical expertise with a passion for creating high-impact solutions, let’s connect. I am excited to collaborate on projects that make a difference and deliver value to businesses and users alike.
    Featured Skill Backend Rest API
    Cloud Computing
    AWS Application
    Mobile QA
    Flutter
    Angular
    NodeJS Framework
    Java
    Java Persistence API
    WordPress Plugin
    WooCommerce
    PHP
    RESTful API
    CSS 3
    JavaScript
    React
  • $30 hourly
    Hi, I'm George, a full stack software engineer with 4+ years of professional experience based in the San Francisco Bay Area. Things I recently worked on: - Frontend web development at Virufy, a medtech AI non-profit. I developed the marketing web app from the ground up to support internationalization and deployment to Github Pages using Next.js. I also transformed Figma designs into responsive web pages using React, Typescript, and Tailwind CSS. I was formerly at: - Tigo Energy, a mid-size renewable energy company, modernizing the tech stack for their flagship software product, Energy Intelligence (EI), designing and implementing new classes and schemas for their auditing tool using PHP and SQL, and writing PHP scripts to migrate data from Postgres to Clickhouse, which has shown to improve query performance by up to 10x. - Northwestern Mutual, a massive financial services company, building internal web search tools with NestJS, React, Typescript, and Apollo GraphQL to fetch insurance policy data in real-time from various data sources (ie. AWS RDS, IBM Db2), and a PII data masking application in Golang. Although most of my experience has been backend and full-stack, frontend web development is becoming my newfound passion. I find collaborating with UI/UX designers and building professional and engaging user interfaces and experiences to be fun and rewarding.
    Featured Skill Backend Rest API
    NestJS
    PostgreSQL
    MySQL
    Tailwind CSS
    RESTful API
    HTML
    Next.js
    SQL
    GraphQL
    Node.js
    React
    TypeScript
    JavaScript
  • $170 hourly
    Innovative and results-driven software architect with 20+ years of experience leading strategic, high-impact initiatives across Fortune 500 companies and startups. Proven expertise in designing scalable cloud solutions, spearheading DevOps transformations, and optimizing distributed systems. Adept at driving engineering excellence and delivering mission-critical infrastructure improvements that enhance productivity by up to 70%. Seeking a Principal/Staff Engineer role to leverage leadership skills and a deep technical background to drive enterprise innovation. CORE COMPETENCIES & TECHNICAL SKILLS - Leadership & Technical Strategy - Distributed Systems & Micro services - Containerization: Docker, Kubernetes - Programming Languages: Python, Rust, Go, C++, Java, C#, JavaScript, Ruby - Web & API Technologies: Django, FastAPI, React, Apache Camel, API Gateways - Cloud Architecture (AWS, GCP) - DevOps & CI/CD: GitHub Actions, Jenkins, etc. - Infrastructure: Ansible, Terraform, Puppet, Chef - Databases: PostgreSQL, Oracle, MySQL/MariaDB, NoSQL, Redis - Methodologies: Agile, Test-Driven Development, Literate Programming, Scrum
    Featured Skill Backend Rest API
    C++
    RESTful API
    Agile Software Development
    Agile Project Management
    Public Speaking
    Golang
    C
    Rust
    Leadership Coaching
    Python
    Ansible
    Amazon Web Services
  • $40 hourly
    Struggling to Build Scalable, User-Friendly Web Applications? Let Me Help! As a Full Stack JavaScript Developer with over a year of experience and a BS in Computer Science from Virginia Tech, I specialize in crafting high-performance web applications using React.js, Next.js, and Node.js. My focus is on delivering solutions that are not only tailored to your specific needs and budget but also scalable, maintainable, and user-centric. I understand that building a web application from scratch can be overwhelming. From handling the front-end UI to managing back-end databases and ensuring seamless API integrations, the entire process demands expertise and careful attention to detail. That’s where I come in—I manage the entire development lifecycle, allowing you to focus on your core business while I build and launch your application. Why Choose Me? ✅ Comprehensive Development Expertise: I handle all aspects of your project, from architecture and design to implementation, deployment, and maintenance. This means a single point of contact and streamlined communication throughout the project. ✅ User-Centric Solutions: I leverage the latest technologies to craft solutions that prioritize user experience, ensuring that your application is not only functional but also intuitive and engaging. ✅ Scalable and Maintainable Code: My coding practices are geared towards long-term sustainability, meaning your application will be easy to maintain and scale as your business grows. Core Skills and Technologies: Front-End Development: ✅ React.js, Next.js, Redux ✅ HTML, CSS, JavaScript, TypeScript ✅ Responsive Design, Performance Optimization, Figma to UI Back-End Development: ✅ Node.js, Express ✅ RESTful API Development & Integration ✅ Database Management: SQL (PostgreSQL, SQL Server) & NoSQL (MongoDB) DevOps & Tools: ✅ Git for Version Control ✅ CI/CD Pipelines ✅ Firebase Integration Services I Offer: ✅ Full Stack Web Development: Building end-to-end web applications with a focus on scalability, security, and performance. ✅ API Development & Integration: Creating and integrating RESTful APIs to ensure seamless communication between front-end and back-end systems. ✅ Responsive & Pixel-Perfect Design: Translating designs from Figma to fully responsive and user-friendly web applications. ✅ Code Refactoring & Migration: Optimizing existing React codebases or migrating applications from React to Next.js for improved performance and scalability. ✅ Database Design & Management: Implementing robust database solutions using both SQL and NoSQL technologies to meet your data storage and retrieval needs. Technologies & Tools: ✅ React.js | Next.js | Redux ✅ Node.js | Express ✅ TypeScript | JavaScript | HTML | CSS ✅ MongoDB | PostgreSQL | SQL Server ✅ Git | Firebase ✅ API Integration | Responsive Design | Performance Optimization Ready to Take Your Project to the Next Level? Whether you're starting from scratch or need to optimize an existing application, I’m here to help. Let’s schedule an interview to discuss your project goals and how I can contribute to your success. Looking forward to working with you!
    Featured Skill Backend Rest API
    Node.js
    UI/UX Prototyping
    MERN Stack
    HTML5
    HTML
    Back-End Development
    CSS
    Python
    Redux Thunk
    Figma
    MongoDB
    Front-End Development
    RESTful API
    ExpressJS
    React
  • $80 hourly
    I'm a data scientist with expertise in machine learning, deep learning, and data-driven solutions using Python. I specialize in building predictive models, analyzing complex datasets, and deploying scalable AI applications. My skills include: ✅ Machine Learning & Deep Learning (TensorFlow, PyTorch, Scikit-learn) ✅ Data Processing & Analysis (Pandas, NumPy, SQL) ✅ Web Scraping & Automation (BeautifulSoup, Selenium, Scrapy) ✅ API Development & Integration (FastAPI, RESTful APIs) ✅ End-to-End Model Deployment I can help you extract insights from data, automate tasks, and build AI-powered solutions. Let's connect and bring your project to life!
    Featured Skill Backend Rest API
    RESTful API
    API Development
    API
    Web Scraping
    Image Processing
    Deep Learning
    Data Science
    PyTorch
    Python
    Artificial Intelligence
    Machine Learning
  • $50 hourly
    As a seasoned Full Stack AI engineer with over 10 years of professional experience across two startups, I specialize in crafting enterprise-level software solutions tailored to meet diverse customer requirements, particularly within low-tech markets. My extensive background encompasses a wide array of programming languages and frameworks, including Python, React, C#/.NET, Ruby on Rails, and cloud technologies such as AWS and Terraform. I excel at selecting and seamlessly integrating the right components to deliver exceptional products that drive business success. ===== Full Stack Skills Highlight ===== Proficient in both front-end and back-end technologies, with expertise in React for responsive UI development, a strong command of C#/.NET for robust application development, and experience in Ruby on Rails for rapid prototyping and deployment. ===== AI Skills Highlight ===== Skilled in developing intelligent systems and AI-driven solutions, proficient in machine learning frameworks and libraries, with experience in building and deploying AI chatbots to enhance user engagement. ===== IoT Skills Highlight ===== Experienced in developing embedded software for IoT applications, with expertise in on-premise applications and self-hosting solutions, and proficient in managing single board devices and enterprise virtualization. ===== Network Management System ===== Proficient in time-series databases such as TimescaleDB, Prometheus, and Victoria Metrics; skilled in metrics visualization tools including Grafana, Apache ECharts, and Chart.js; and experienced with logging solutions like Loki and Fluentd. ===== Connectivity ===== Knowledgeable in network management protocols such as TR069, SNMP, and MQTT, with experience in message brokers like BullMQ, RabbitMQ, and EMQX. ===== Architecture Design Methodology ===== An advocate for clean architecture and minimalist design principles, I focus on creating code that is easy to read, maintain, and scalable, while implementing automated code formatting and linting alongside code template generation, all with the goal of reducing vendor lock-in and optimizing performance to lower operational costs. I am passionate about leveraging technology to tackle real-world challenges and drive innovation. Let’s collaborate on your next project and create impactful solutions together!
    Featured Skill Backend Rest API
    CI/CD
    Kubernetes
    Microservice
    Vector Database
    GraphQL
    Artificial Intelligence
    Web Scraping
    RESTful API
    Docker
    PostgreSQL
    Tailwind CSS
    Next.js
    Golang
    TypeScript
    Python
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