Hire the best Java Developers in Brooklyn, NY

Check out Java Developers in Brooklyn, NY with the skills you need for your next job.
Clients rate Java developers
Rating is 4.8 out of 5.
4.8/5
based on 162 client reviews
  • $60 hourly
    Hello, I'm Joshua, a passionate and innovative software developer, dedicated to bringing your digital visions to life. Currently, I have a bachelor's degree from New York City College of Technology, I'm on the journey to grow up my skills in software development. Along the way, I've built a strong foundation in object-oriented programming, system design, database-driven application development, project management, and expertise in the Python, Node, Go and .NET Framework, among other vital areas. Growing up in the bustling city of New York, I've come to see software development as a parallel to urban life. Just as the city never sleeps, this field never stops evolving. It's a constant journey of learning, akin to navigating the ever-changing streets of NYC. I embrace new technologies with the same enthusiasm I have for exploring new neighborhoods, and I approach challenges with the same adaptability as you need when living in a vibrant metropolis. Software development, like the city itself, offers a boundless realm of possibilities to turn ideas into reality, and I'm excited to be part of this dynamic journey. Looking forward, I'm on a journey of growth and innovation in software development. My dream is to build my own business and collaborate with companies that share my passion. Right now, I'm taking the small steps that lead to big adventures. As I move forward in my software development journey, I'm eager to take on new challenges, encourage creativity, and convert innovative ideas into reality. Let's collaborate to bring your digital projects to life. Whether you're a developer, a client, or simply someone passionate about technology, I look forward to connecting and exploring new opportunities together. Please don't hesitate to contact me, and let's start a conversation about how we can work together to make a meaningful impact in the world of software development.
    vsuc_fltilesrefresh_TrophyIcon Java
    Firebase
    Google Cloud Platform
    AWS Amplify
    MongoDB
    Golang
    Spring Boot
    Angular
    .NET Framework
    C#
    Python
    Node.js
    TypeScript
    Next.js
    React
  • $75 hourly
    Expert engineer specializing in full spectrum chip-to-app design of electronics, firmware/embedded, electronics, mechatronic, robotics, back- and front-end software, UI/UX and end-user applications. Specialties include medical devices, consumer products, audio/video/multimedia, ARM, Arduino, Raspberry Pi, ESP32, Python & C++. Also offering design review, advising and ideation on product innovation, improvements, feature suggestions and marketing. Schedule a free video consultation on your project needs today.
    vsuc_fltilesrefresh_TrophyIcon Java
    Raspberry Pi
    Arduino
    Internet of Things
    FreeRTOS
    Linux
    Electrical Engineering
    Firmware
    PIC
    ARM Cortex-M
    Audio & Music Software
    Python
    C
    Embedded System
    C++
  • $65 hourly
    I'm an experienced software engineer most recently working at Oracle Cloud Infrastructure. I've worked with: * Java, Terraform, React Typescript, React Native, Redux, Nextjs, Express, Sequelize - Postgres, Firestore, Figma I'm really good at: * Digging deep into difficult problems * Reading technical documentation * Learning and mastering new things * Collating information to resolve issues or propose ideas * Collaborating with other teams or divisions * Enabling others to succeed * Working with others through collaboration, ideating, and pushing/supporting each other Strengths: * Hardworking, passionate, curious, caring, detailed oriented, connecting with others
    vsuc_fltilesrefresh_TrophyIcon Java
    Figma
    Firebase Cloud Firestore
    PostgreSQL
    JavaScript
    Next.js
    Redux
    React Native
    TypeScript
    React
    Terraform
    Software QA
    Software Documentation
    Software Development
    DevOps
  • $50 hourly
    I am a highly skilled Mobile, Full-Stack Web, and AI Developer with over 9 years of experience delivering innovative, scalable, and user-focused solutions. My diverse expertise allows me to build end-to-end systems that seamlessly integrate mobile and web technologies with cutting-edge artificial intelligence, tailored to meet complex business needs. Mobile Development Expertise: Native App Development: Proficient in Swift and Objective-C for iOS, and Kotlin and Java for Android, creating optimized and feature-rich native applications. Cross-Platform Development: Skilled in React Native and Flutter, delivering consistent and high-performance apps for both iOS and Android platforms. Backend Integration: Expert in integrating RESTful APIs, GraphQL, Firebase, and third-party services into mobile apps for real-time functionality. Advanced Features: Implemented AI-powered tools like chatbots, recommendation systems, and personalized user experiences in mobile apps. Notable Projects: Delivered 20+ mobile apps with top ratings and significant user engagement across fitness, finance, and e-commerce industries. Full-Stack Web Development Expertise: Frontend Development: Proficient in HTML5, CSS3, JavaScript (ES6+), and modern frameworks like React, Angular, and Vue.js to build responsive, user-friendly interfaces. Skilled in CSS libraries such as Tailwind CSS and Bootstrap to create visually appealing, consistent designs. Backend Development: Expertise in Node.js, Express.js, Python (Django, Flask), and PHP (Laravel) to build secure, scalable server-side applications. Experience with database management using MySQL, PostgreSQL, MongoDB, and Firebase, ensuring efficient data handling. Strong knowledge of API design and development, including RESTful services and GraphQL. DevOps & Deployment: Proficient in setting up CI/CD pipelines with Jenkins, GitHub Actions, and Bitbucket. Skilled in cloud platforms like AWS, Azure, Google Cloud, and Heroku for hosting and deployment. Experience with Docker and Kubernetes for containerization and scalable deployments. Notable Projects: Built a full-stack e-commerce platform with real-time inventory updates, secure payment gateways, and robust admin dashboards. Developed SaaS solutions with multi-tenant architectures and efficient backend systems. AI Development Expertise: Machine Learning & Deep Learning: Proficient in creating models for NLP, computer vision, and predictive analytics using frameworks like TensorFlow, PyTorch, and Scikit-learn. Natural Language Processing (NLP): Expertise in building AI-powered tools such as chatbots, sentiment analysis, and language modeling using tools like Hugging Face and spaCy. Computer Vision: Skilled in developing applications for object detection, facial recognition, and image classification using OpenCV and YOLO. AI-Powered Applications: Integrated AI into mobile and web platforms, including recommendation engines, predictive models, and real-time analytics. Model Deployment: Experience deploying ML models to production environments using TensorFlow Serving, Docker, and cloud platforms like AWS SageMaker. Notable Projects: Built an AI-powered financial assistant that automates expense tracking and provides actionable insights. Designed a computer vision-based quality control system for a manufacturing client. General Skills Across All Domains: Proficient in Git for version control, ensuring smooth collaboration and efficient code management. Experienced in Agile and Scrum methodologies for project management and on-time delivery. Strong focus on performance optimization, accessibility, and cross-platform compatibility. Skilled in integrating analytics tools (Google Analytics, Firebase Analytics, Mixpanel) for data-driven decision-making. Why Work With Me?: Combining my expertise in mobile, web, and AI development, I offer a unique, full-spectrum approach to solving your digital challenges. From building feature-rich mobile apps to designing scalable web platforms and integrating intelligent AI-driven solutions, I am committed to delivering high-performance, innovative, and impactful results that drive business growth. Let’s collaborate to bring your vision to life with seamless, intelligent, and user-focused technology!
    vsuc_fltilesrefresh_TrophyIcon Java
    Amazon Web Services
    Laravel
    MERN Stack
    MEAN Stack
    PyTorch
    TensorFlow
    Machine Learning
    SwiftUI
    Python
    React Native
    Swift
    Objective-C
    Kotlin
    Flutter
  • $50 hourly
    A proficient full stack developer with focus on mobile development iOS Android and specially Cross Platform development. My specialisation includes - iOS - Android - Social network integration FB, Twitter, Google+, - Ad network - Payment gateways Integration - Photo, Video editing apps - Social Apps - Enterprise and Utility apps Cross Platform - React Native - Cocos2DX - Xamarin - Unity 3D Languages - Objective C - Swift - JAVA - Kotlin - PHP - JAVAScript - Ruby Tools Development - Xcode - Android Studio - Visual Studio Managment - Jira - Trello - Slack - Asana Code Versioning - BitBucket - GitHub I have 9+ years of experience in software development and have produced around 50 Plus apps on iOS and Android out of which 15 are different 2d games. I’m also well versed in developing the user experience of mobile apps, having a profound knowledge of developing application from concept to final product, setting up and developing architectures for mobile applications and following the best programming practices. Conceptualisation Tools - InVision - Wire framing tools (balsamic, inflow) - Sketch I have ample experience of developing websites and backend admin panel using cutting edge technologies that Includes - Ruby On Rails - Node.JS and Angular - PHP (larval, code-ignitor). I also provide services for CMS customisation - Word Press - Joomla - Drupal I used to follow the best project management principals and process and strictly follow the Agile methodology. To run a project smoothly I create Sprints of variable time then daily SCRUM is used to track the project progress. Salient Features: Agile, SCRUM, Test Driven Development (TDD), Continuous integration (CI), Ruby, Ruby on Rails, Elasticsearch, spatial search, JavaScritp, AJAX, React JS.
    vsuc_fltilesrefresh_TrophyIcon Java
    Kotlin
    PHP
    React
    Node.js
    Flutter
    React Native
    Swift
    Objective-C
    AngularJS
  • $180 hourly
    I'm a full stack developer with experience working with medium and large/enterprise businesses. As a technical consultant, I have been a lead developer, tech lead. project manager, and technical architect. I enjoy working on challenging, high-impact projects where I can take ownership of technical delivery. - I can code in Apex, Java, Javascript, HTML, CSS, PHP, jQuery, and SQL - I have extensive experience with the Salesforce and the Salesforce development lifecycle - I enjoy interfacing with clients and helping them solve their toughest problems
    vsuc_fltilesrefresh_TrophyIcon Java
    Apex
    Salesforce Lightning
    Salesforce CRM
    Salesforce
    Salesforce App Development
    jQuery
    JavaScript
    SQL
    PHP
    CSS
    AJAX
    HTML
  • $45 hourly
    As an experienced backend developer, I specialize in delivering robust and scalable solutions that power the core functionality of web applications. With a strong focus on server-side technologies and building efficient APIs, I can help you create a solid foundation for your business. Technical Expertise: Backend Frameworks: Proficient in utilizing Spring Boot, Spring MVC, Spring Data JPA, Spring Security, Spring Cloud, and Microservices to develop reliable and high-performance systems. Database Management: Extensive experience working with MySQL, PostgreSQL, and MongoDB, ensuring efficient data storage and retrieval. Fintech Industry Experience: Developed RESTful APIs and integrated secure payment gateways, gaining a strong understanding of compliance requirements and data encryption techniques to ensure the confidentiality and integrity of sensitive financial information. Professional Skills: Project Management: With a goal-oriented mindset, I take pride in managing projects from start to finish. I emphasize effective communication and collaboration, working closely with stakeholders to gather requirements, provide regular updates, and deliver solutions that meet business objectives. Software Development Principles: Strong foundation in software development best practices, version control systems like Git, build automation tools such as Maven, and containerization technologies like Docker. Cloud Platforms: Familiarity with AWS enables me to deploy and scale applications effectively. Performance and Security: Prioritize performance, security, and scalability in every project. Proficient in implementing caching mechanisms, optimizing database queries, and designing efficient data structures. Event-Driven Architectures: Experience with Kafka and message brokers like RabbitMQ. Personal Attributes: Collaborative and Agile Mindset: Value collaboration and thrive in cross-functional teams. Actively contribute to problem-solving discussions with a positive attitude and critical thinking skills. Emotional Intelligence: Leverage emotional intelligence to build strong working relationships and ensure smooth project execution. If you're seeking a dedicated backend developer to drive the technical aspects of your project, I am eager to discuss how I can contribute to your success. Let's connect and explore how we can work together to bring your ideas to life.
    vsuc_fltilesrefresh_TrophyIcon Java
    Spring Data
    Microservice
    Spring Security
    MongoDB
    Docker
    Git
    Apache Kafka
    Spring Cloud
    PostgreSQL
    Flutter
    React
    Spring Boot
    Software Development
  • $39 hourly
    With more than 10 years of experience in mobile applications, I am a software development engineer, music and audio technology researcher. My core competencies include Objective-C, Swift, Java, Kotlin, Python, and C/C++, as well as digital signal processing, networking, security, real-time communication, data processing, image processing, and augmented reality. I am passionate about solving complex problems and always eager to learn new technologies and methodologies. I have contributed to multiple projects of different kinds, ranging from music technology and social media analytics to e-commerce and market research. My goal is to deliver high-quality and user-friendly products that meet the needs and expectations of our clients and users.
    vsuc_fltilesrefresh_TrophyIcon Java
    Swift
    Objective-C
    Android App Development
    iOS Development
    React Native
    Software Development
    Kotlin
    Python
    Django
  • $300 hourly
    I'm a seasoned full-stack engineer with 16 years of professional experience working at both startups and large tech companies. I can design a scalable architecture for your app or website, help develop it from a prototype through to a launch-ready version, and consult on building out a team to keep it moving after MVP.
    vsuc_fltilesrefresh_TrophyIcon Java
    HTML
    CSS
    Golang
    Node.js
    AWS Amplify
    TypeScript
    React
  • $75 hourly
    I am an iOS developer with 8 years of commercial experience. My expertise spans a variety of applications, including health apps, social media platforms, music and video streaming services, and online stores. I specialize in Swift and UIKit and have considerable experience with SwiftUI and Combine. My professional background includes extensive work with both native iOS frameworks and third-party libraries, enabling me to deliver robust and scalable solutions.
    vsuc_fltilesrefresh_TrophyIcon Java
    Git
    Jira
    Metal
    RealityKit
    unittest
    Functional Programming
    Multithreaded Programming
    AV Foundation
    Core Graphics
    Core Animation
    SwiftUI
    iOS SDK
    RxSwift
    Apple Xcode
    ARKit
    Core Data
    C
    Objective-C
    Swift
  • $25 hourly
    I am a Full Stack Web Developer who loves challenges. I love working on different projects that help me grow as a developer, and I love to learn different languages/frameworks. I've spent the last couple years in school building full stack mvc applications through ASP.NET/C#. I've moved from that into building full stack applications using PHP as well as the Laravel framework. I am open to working with any language in building either static or dynamic websites/mobile apps.
    vsuc_fltilesrefresh_TrophyIcon Java
    ASP.NET MVC
    Laravel
    HTML5
    SCSS
    C#
    JavaScript
    PHP
  • $65 hourly
    I am specializing in trading programs that use the Interactive Brokers API, implemented in java using the official java code from IB. I have done multiple contracts in this area that covers many different types of financial instruments (stocks, options, futures) on different markets (US mostly, but also some European markets). I focus on implementing your strategy, especially hiding from you some of the peculiarities of the IB API, and making the code reasonable simple and robust.
    vsuc_fltilesrefresh_TrophyIcon Java
  • $28 hourly
    * Hands - on experience in testing of mobile (iOS, Android), web - based and cloud applications * Knowledgeable in functional, system integration, user acceptance, load, security, browser compatibility and performance testing * Write easy-to-follow bug reports and verify them fixed in new releases * Have experience in customer support * Pragmatic. Enjoy working as a part of a result - driven team
    vsuc_fltilesrefresh_TrophyIcon Java
    API Development
    Report
    Android
    API
    Web Development
    Bug Reports
    Desktop Application
    Selenium WebDriver
    Python
  • $25 hourly
    As a Software Developer and Computer Science graduate student with a unique blend of experience in both the music industry and technology, I specialize in building dynamic web applications and systems. Whether you're looking to develop a new website, enhance an existing application, or integrate complex systems, I’m here to help. In the past, I have refined websites for musicians and worked with major SaaS companies like Spotify, Apple, Youtube, TikTok, Amazon Music, and Square. I am proficient in Java, TypeScript, HTML, CSS, JavaScript, MySQL, React, React Native, and cloud platforms like AWS. I offer comprehensive solutions across full-stack development, system integration, and cloud infrastructure management. My diverse background allows me to bring a creative, fresh perspective to every project. From concept to completion, I manage all aspects of a project, ensuring high-quality results and smooth execution. I prioritize clear communication and regular feedback to ensure that your vision is fully realized. In addition to tech services, I offer expertise in marketing, communications, writing, and both physical and digital retail, particularly within the music and entertainment industries. Let’s connect and turn your ideas into reality!
    vsuc_fltilesrefresh_TrophyIcon Java
    iOS Development
    TypeScript
    Machine Learning
    Git
    CSS
    HTML
    Full-Stack Development
    React Native
    React
    Front-End Development
    Back-End Development
    SQL
    Web Development
    Web Application
  • $30 hourly
    Looking to handle the difficult technical challenges from your workday so that you can focus on delivering the products and services that bring value to your business. I will independently take care of the design, implementation, delivery, and maintenance of software products and keep you in the loop all steps of the way. I am excited to work with you and build amazing products that bring incredible results.
    vsuc_fltilesrefresh_TrophyIcon Java
    Microsoft Active Directory
    User Authentication
    Web Hosting
    Amazon Web Services
    Redis
    Docker
    Git
    C#
    SQL
    JavaScript
    HTML
    Angular
    React
    Python
    TypeScript
    Node.js
  • $25 hourly
    I am a skilled and versatile web developer with experience across a variety of projects, focusing on building responsive, user-friendly websites and applications. My expertise includes JavaScript, HTML, CSS, and API integration, with a particular focus on enhancing user experience and accessibility. I've worked on diverse projects, from developing an interactive art gallery website using NASA, Unsplash, and Pexels APIs, to creating a C#-based banking system with efficient data management, and even implementing machine learning models to drive business decisions. I am proficient in Git for version control and enjoy collaborating with clients to ensure their vision is realized. With a strong understanding of frontend optimization and problem-solving, I focus on delivering clean, scalable, and high-quality code. I am committed to continuous learning and always strive to stay ahead of web development trends. Let’s collaborate to bring your project to life with precision, creativity, and a focus on quality.
    vsuc_fltilesrefresh_TrophyIcon Java
    Design-to-Code
    Testing Framework
    API Integration
    API
    JavaScript
    Community Management
    Communication Skills
    HTML
    Tech & IT
    CSS
    C++
  • $30 hourly
    I am a backend engineer with 3+ years of experience in data processing, automation, and web scraping. Proficient in Python, SQL, BeautifulSoup, and Selenium, I build scalable tools tailored to your project needs. My experience includes backend systems and automation at Amazon, along with developing symbolic model-checkers in advanced Mathematics and Logic studies. I excel at streamlining workflows and delivering actionable insights. Let’s bring your ideas to life—contact me to get started !
    vsuc_fltilesrefresh_TrophyIcon Java
    Bot
    Beautiful Soup
    Selenium
    Web Scraping
    Linguistics
    Automation
    Scripting
    Golang
    Python
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