Hire the best Java Developers in Nanjing, CN

Check out Java Developers in Nanjing, CN with the skills you need for your next job.
  • $35 hourly
    Hi there, I'm Abundance Experience: 5 years of experience in native android application development. 1 year in SwiftUI development Currently working part-time as an assistant android engineer Education: Hold a Bachelor's degree in Computer Science and Technology, currently a master's degree student at Nanjing University of Science and Technology, China Service Quality: I provide quality work with solid commitment. Skills: Kotlin | JAVA | Javascript | Typescript | SwiftUI - Creating applications for multiple screen resolutions/sizes - Firebase (database, authentication, analytics, notifications, remote config, Crashlytics, Push Notifications) - Integrations with social networks (Facebook, Google) - Dealing with REST API - Proficient with Google Play developer console - Adding Payment Gateway - Ads Integration -Websockets, WebRTC Other Skills: MVVM, MVP, TCP programming, Printer SDK programming Projects: GitHub link: github.com/AbGhost-cyber I’m super dedicated and committed to my work so I can offer you a couple of hours daily even on weekends. Don't hesitate to ask me if you have any Android-related questions. I am looking forward to hearing from you.
    vsuc_fltilesrefresh_TrophyIcon Java
    Data Structures
    Mobile App
    Computer Science
    Android SDK
    iOS Development
    Android
    Kotlin
    React Native
    Offline Functionality
    Firebase
    In-App Purchases
    MongoDB
    Android App Development
    Native App Development
  • $20 hourly
    Focus in full stack development, with more than 10 years of IT application development experience. ✔ Backend: Java, SpringMVC, SpringBoot, Mybatis, JPA, and Spring Cloud. ✔ Backend: Python, Django, Flask, FastAPI, Selenium, Scrapy, PyQT, Numpy, Pandas, etc. ✔ FrontEnd: Vue, React, Next.js, ElementUI, Quasar, AntDesign, ECharts. ✔ Database & MIddleware: MySQL, PostgreSQL, Neo4j, Redis, Kafka, RabbitMQ, ElasticSearch, MinIO, and MongoDB. ✔ CI\CD: Jenkins, Nginx, Docker, Docker Compose, Kubernetes, Gitlab, GitHub ✔ SuperSets、Airflow、Kettle ✔ Familar with Cloud Platform, including GCP,AWS、Azure If you're looking for a software developer that stands out from the crowd, then look no further. Let’s work together to bring your ideas to a reality! I am available 24/7 to make your idea into life, Just drop me a Hello. Best Regards Simon Wang
    vsuc_fltilesrefresh_TrophyIcon Java
    Apache Airflow
    Apache Kafka
    Microsoft Excel
    Spring Cloud
    Qt Framework
    Elasticsearch
    Docker
    Jenkins
    MySQL
    Flask
    Spring Boot
    Django
    JavaScript
    Python
  • $20 hourly
    As a dedicated sophomore with a robust foundation in computer science, I have acquired invaluable experience through a range of internships. Though my primary focus is computer science, I have a profound passion for the media industry, which I pursue as a creative outlet. I excel in both video editing and photography, blending technical acumen with artistic insight. My commitment to media enables me to create compelling visuals and narratives while continuing to advance my computer science studies. This diverse background allows me to offer innovative and fresh perspectives in both fields. Key Skills: Photography: Proficient in various photography styles, including portrait, landscape, event, and commercial photography, with a keen eye for detail and excellent composition skills. Video Editing: Experienced in using video editing software to create polished and engaging videos, integrating visual effects, seamless soundtracks, and compelling storytelling elements. Programming: Skilled in Python and Java, with the ability to develop applications and automate tasks to enhance operational efficiency. Office Automation: Capable of designing office automation solutions to streamline repetitive tasks, thereby improving productivity. Excel Spreadsheet Processing: Proficient in Python-based Excel data processing, ensuring precise data management and manipulation. Database Management: Experienced in using MySQL for efficient data storage, retrieval, and comprehensive analysis. Translation: Bilingual fluency in English, providing accurate translation of articles across various industries while maintaining context and clarity for diverse audiences. Website Design and Development: Experienced in managing the entire lifecycle of website development, from design to deployment, using WordPress and Alibaba Cloud. Skilled in deploying websites in China, including handling registration and compliance procedures (ICP filing, etc.).
    vsuc_fltilesrefresh_TrophyIcon Java
    Microsoft Excel
    Video Editing
    Python Script
    MySQL
    MySQL Programming
    Python
    Photography
    Photo Editing
    Translation
  • $30 hourly
    Hello! I'm a versatile full-stack engineer and developer from Nanjing, China, with expertise spanning front-end, back-end, mobile, and IoT projects. My passion lies in IoT projects, a significant part of my focus. Professional Skills: Front-End: Skilled in Vue, React, and UniApp for user-friendly interfaces. Back-End: Proficient in Beego, Gin, TinyGo, and Spring Boot for reliable backend systems. Mobile: Experienced in Android and mini-programs, utilizing GoMobile and Fyne. Embedded Systems: Adept in Arduino, WiFi, BLE for IoT device design. Chip Applications: Well-versed in ESP32 series for IoT projects. Programming Languages: Fluent in Golang, Java, C#, JavaScript. DevOps: Experienced in Jenkins, Gogs, Kubernetes, Docker for seamless integration. Project Highlights: Developed Vue-based smart home control interface for remote device management. Engineered sensor data analysis backends using Beego and Spring Boot. Created Android/ESP32 smart health monitoring device for data collection. Established IoT device management system using Docker and Kubernetes. Collaboration: I'm open to collaborating on similar projects. Let's create exceptional projects together!
    vsuc_fltilesrefresh_TrophyIcon Java
    DevOps
    Android App Development
    Solidity
    DApp Development
    Electron
    Apache Cordova
    Android App
    Spring Boot
    Kubernetes
    Docker
    Golang
  • $500 hourly
    I am a skilled Java programmer with a strong proficiency in developing web applications. With several years of experience in the field, I have honed my expertise in creating robust and efficient web solutions. My passion for coding and problem-solving drives me to consistently deliver high-quality results. I excel in designing and implementing Java-based web applications, ensuring they are both user-friendly and functionally sound. My knowledge extends to various Java frameworks and technologies, allowing me to choose the most suitable tools for each project. I am also adept at database integration and API development. My commitment to staying up-to-date with the latest industry trends and best practices enables me to build cutting-edge web applications that meet the unique requirements of each client. I pride myself on my ability to work collaboratively within a team and communicate effectively with clients to ensure their visions are realized. By choosing me for your web project, you can expect a dedicated professional who will go the extra mile to deliver a seamless and top-notch web solution tailored to your specific needs. I am excited about the opportunity to work with you and bring your web project to life.
    vsuc_fltilesrefresh_TrophyIcon Java
    Spring Cloud
    Docker
    Web Application
  • $50 hourly
    We are a cutting-edge software development studio specializing in transformative digital solutions across multiple technological domains. Our expertise spans three core areas: 1. 3D Visualization & Interactive Technologies Unity 3D and WebGL development Photorealistic 3D environment creation Advanced interactive digital experiences Geospatial modeling and virtual reconstruction 2.Cross-Platform Software Development Web application development Mobile and desktop application solutions Enterprise software system design Scalable and robust software architecture Our team combines technical excellence with creative problem-solving, delivering tailored solutions that drive digital transformation. We pride ourselves on: Innovative technological approaches Precision in technical execution Comprehensive project lifecycle management Client-focused collaboration Whether you need immersive 3D visualization, or complex software systems, , we transform your vision into reality. We don't just develop technology—we craft digital experiences that empower businesses and engage users. Let's stay in touch and work together to transform your digital aspirations into reality.
    vsuc_fltilesrefresh_TrophyIcon Java
    Node.js
    3D Rendering
    C
    Laravel
    Python
    iOS
    Android
    React
    Unity
    WebGL
    Three.js
    Visualization
  • $80 hourly
    I am a technology leader with extensive experience in full-stack software engineering, spanning from 2004 to 2024. My expertise lies in developing high-impact systems like Java-based air quality monitoring platforms, GPS vehicle tracking systems, and real-time industrial safety applications using embedded Linux and Python. In addition to my expertise in PC-based application development, I am highly proficient in Linux embedded systems. My skills extend to cross-compiling Python-based AI/ML code for embedded systems, enabling smart device functionalities, edge computing, and enhancing operational efficiencies. - Proficient in C++, Java, JavaScript, Python, Linux embedded system and GIS technologies. - Led significant projects involving software engineering, data science, and machine learning technologies. - Managed full project lifecycles, ensuring effective team coordination and robust system integration.
    vsuc_fltilesrefresh_TrophyIcon Java
    Machine Learning
    Visualization
    Embedded Linux
    JavaScript
    MySQL Programming
    Microsoft SQL Server
    Linux
    GIS
    Delphi
    C++/CLI
    Python
  • $35 hourly
    I'm an experienced programmer with a strong proficiency in Java, Python, and C#. I also have a good understanding of databases. I'm detail-oriented and can deliver high-quality code that meets project requirements. With a passion for problem-solving and a collaborative attitude, I'm eager to take on new challenges and contribute to your projects on Upwork. Whether it's developing robust back-end systems or creating efficient scripts, I'm confident in my ability to provide effective solutions
    vsuc_fltilesrefresh_TrophyIcon Java
    Python
    C#
    Database
  • $20 hourly
    About 13 years of working experience in software testing, participated in ISTQB training and obtained ISTQB certificate, familiar with test theory, test technology and test management. Good at selecting corresponding test strategies and test methods according to the development model of the software project, and using test technologies for test design, such as static technology, black box testing technology, white box testing technology and experience-based testing technology. About 6 years of software test management experience, responsible for test team management of multiple test projects, test planning, test estimation, test process monitoring, configuration and risk
    vsuc_fltilesrefresh_TrophyIcon Java
    Red Hat Enterprise Linux
    Quality Assurance
    C
    Test Case Design
    Test Plan
    Manual Testing
    Mobile App Testing
    Web Testing
    Functional Testing
  • $15 hourly
    Hello! I am Runze Chen, a senior undergraduate student in China. I major in Computer Science and Engineering. I am native in Chinese and fluent in English. I was born and grew up here in Nanjing, and I have a good knowledge of various aspects of China. I have IELTS 7.0 and TOEFL 102 certificates. I have much experience in English-Chinese translation and interpretation. I competed with professional English students in translation and interpretation contests and won several provincial prizes. So, I am confident to offer services related to English and Chinese languages, such as translation, transcription, interpretation, data collection, linguistics experiments and language tutoring. I am keen on the Internet and computers, and any new technologies. I have experience on UI design, usability test, website developing, mobile edge computing, federated learning, etc. I can program with C++, Java, Python, HTML, SQL, JSP, Verilog, etc. I am also proficient in LaTeX writing and Windows and Linux operating systems. I can help with software testing, solving technical problems, programming, LaTeX writing, IT-related tutoring, etc. I would do my best to make my work satisfying. Thank you!
    vsuc_fltilesrefresh_TrophyIcon Java
    Audio Transcription
    English to Chinese Translation
    Chinese to English Translation
    Data Entry
    Usability Testing
    Software Testing
    Python
    Verilog
    Computer
    LaTeX
    Website
    Tutoring
    C++
    Chinese
  • $15 hourly
    I have full-stack technology and have participated in hundreds of projects over the past 7 years. I am skilled in full-stack development and 3D development. Please check out my portfolio. 🟣 Here are 7 areas I will help you with: 1. Engaging 3D Websites: I create stunning websites with captivating 3D effects and animations, perfect for showcasing your company or product. 2. 3D Visualization: Bring your products or equipment to life on your website with photorealistic 3D modeling and visualization. 3. Interactive 3D Configurators: Allow your customers to choose the shape, color, and material of products in real time, viewing them in 3D directly on your site. 4. 3D Real Estate Presentations: I create websites that present real estate properties in 3D, including visualization of buildings, territories, and development projects. 5. AR/VR Projects: I develop immersive AR and VR experiences, providing cutting-edge interactive solutions for your business. 6. Backend development: Specializing in backend development for Java, Node.js, Express.js, and Nest.js, providing stable and efficient server-side solutions. 7. Front end development: Proficient in Nuxt.js、Vue2/3、HTML、CSS、JavaScript、TypeScript, Create a responsive and interactive user interface. 8. Full stack solution: Provide end-to-end full-stack development services, from conceptual design to implementation deployment, to fully meet your project needs. 🟣 Why me? 1. Extensive Experience: 8 years in development, specializing in cutting-edge 3D, AR/VR technologies, and full-stack solutions. 2. Creativity & Innovation: I craft unique digital experiences using advanced technologies that set your projects apart. 3. End-to-End Solutions: From conceptualization to deployment, I deliver seamless and scalable solutions that meet your business needs. 4. Proven Track Record: A strong portfolio of successful projects across various industries, ensuring high-quality deliverables. 5. Client-Focused Approach: Excellent communication and a collaborative approach to ensure every project aligns with your vision. 🟣 Skills 1. 3D Web Development: Three.js, WebGL, Babylon.js, PlayCanvas, Unity 2. Augmented Reality (AR): 8th Wall, Unity, Rokid AR Glasses 3. Virtual Reality (VR): Unity, PlayCanvas 4. Backend Development: Java, Node.js, Express.js, Nest.js 5. Frontend Development: Nuxt.js, Vue2/3, HTML, CSS, JavaScript, TypeScript 6. Database Management: MySQL, MongoDB 7. Continuous Integration/Continuous Deployment: GitHub CI/CD Feel free to contact me to review my portfolio and client testimonials. I’m available for freelance projects. Let’s discuss how I can bring your vision to life.
    vsuc_fltilesrefresh_TrophyIcon Java
    Next.js
    WebGL
    PlayCanvas
    Full-Stack Development
    MySQL
    NestJS
    TypeScript
    CSS
    HTML
    Nuxt.js
    Node.js
    Vue.js
    JavaScript
    Three.js
  • $40 hourly
    I’m a developer experienced in building websites and app. Whether you’re trying to win work, list your services, or create a Low-code platforms and app, I can help. Tech stack:Android,Flutter,Web(JavaScript,Typescript,vue2,vue3,React),Java,kotlin Full project management from start to finish Regular communication is important to me, so let’s keep in touch.
    vsuc_fltilesrefresh_TrophyIcon Java
    TypeScript
    JavaScript
    Dart
    Kotlin
    Web Application
    Android
    Flutter
  • $30 hourly
    Hello, my name is Liu Tao I have been working in game development for over 17 years I have extensive experience in independent development I am also an excellent project manager with excellent self-management skills I can complete the work on my own or temporarily form a team to complete more complex tasks I am skilled in Cocos and Unity development You can also do development work for Android and iOS
    vsuc_fltilesrefresh_TrophyIcon Java
    Cocos2d
    Lua
    Objective-C
    C++
    TypeScript
    JavaScript
    Unity
    Game
  • $25 hourly
    Personal Evaluation With over 10 years of experience in companies like JD.com and T3 Mobility, I have accumulated rich project experience and possess the ability to independently complete both frontend and backend systems, as well as big data-related tasks. I am looking for a suitable position in the field.
    vsuc_fltilesrefresh_TrophyIcon Java
    Vue.js
    Redis
    MySQL
    Spring MVC
    Spring Boot
  • $6 hourly
    PROFESSIONAL SUMMARY 1. Two internship experiences. 2. Nearly one year of project development experience, familiar with the entire process of a requirement from design to deployment, with a solid technical foundation and extensive project experience. 3. Strong learning ability and problem-solving skills, with excellent teamwork and communication abilities. 4. One granted invention patent and one published invention patent, Multiple Scholarships Awarded.
    vsuc_fltilesrefresh_TrophyIcon Java
    Architecture
    Redis
    MySQL
    Spring Boot
  • $10 hourly
    本人吃苦耐劳,有责任心,上进心,工作驱动型,工作认真勤恳,团队合作意识强,强烈的紧迫感, 今日事今日毕;并且具有一定的社交能力, 良好的沟通能力以及优秀的组织和协调能力.此外本人喜欢 思考,乐于探索,思维活跃,具有很强的学习能力和接受能力. 平时喜爱听音乐,爬山,唱歌,踢足球等等.
    vsuc_fltilesrefresh_TrophyIcon Java
    Apache FreeMarker
    Vue.js
    MySQL
    Apache Kafka
    Redis
    Spring Boot
    DevOps
  • $20 hourly
    I’m a PeopleSoft developer with 6 years of experience designing, developing, and maintaining enterprise solutions using Oracle PeopleSoft. I have worked extensively on modules such as HCM, Financials, and Supply Chain, delivering end-to-end projects that streamline business processes. My technical skill set includes PeopleTools, PeopleCode, Application Engine, and SQR. I take pride in managing projects from requirements gathering through to deployment and post-implementation support. Clear and regular communication is essential to my work, and I’m always ready to collaborate closely to ensure project success. Let’s connect and explore how I can add value to your team.
    vsuc_fltilesrefresh_TrophyIcon Java
    MySQL
    Oracle
    PeopleSoft
  • $20 hourly
    Java spring JavaScript MySQL blockchain database netty aaaaaaaaaaaaaaaaaaaaajsjsjsjjssjsjasnshsjjssj
    vsuc_fltilesrefresh_TrophyIcon Java
    Database
    Spring Boot
  • $65 hourly
    I I am from China, currently living in Germany, and working for an American company. I am a Chinese software developer with nearly 20 years of programming experience. I excel at understanding business processes and adapting them into software solutions. I have extensive experience in the following areas of software development: 1. Software development 2. Software platform porting 3. System optimization 4. Database query optimization and full query solutions 5. Work task coordination, task packaging, and segmentation 6. Performance testing and its automation 7. Pre-release verification and development coordination
    vsuc_fltilesrefresh_TrophyIcon Java
    Golang
    Python
    Software QA
    Scripting
  • $10 hourly
    I’m a developer experienced in building websites for small and medium-sized businesses. Whether you’re trying to win work, list your services, or create a new online store, I can help. Knows HTML and CSS3, React , Vue, Java ,NestJs,NodeJs,Python ... Full project management from start to finish
    vsuc_fltilesrefresh_TrophyIcon Java
    Golang
    UI/UX Prototyping
    Python
    .NET Core
    React
    Vue.js
    NodeJS Framework
    Back-End Development
    Front-End Development
  • $30 hourly
    I am a backend-focused software engineer with expertise in the Java ecosystem, specializing in building efficient and scalable enterprise-grade applications. I thrive on solving complex technical challenges and delivering innovative solutions that drive business value. What I Do Best: Backend Development: Rapidly developing high-performance server-side applications using Java and Spring Boot. Data Management: Skilled in designing and optimizing relational databases with MySQL, while leveraging Redis for high-speed caching solutions. Containerization: Proficient in Docker for containerizing applications and ensuring consistent deployments to production environments. System Design: Experienced in designing modular, highly available system architectures tailored to meet diverse business needs. Skills & Technologies: Programming Languages: Java (Primary), SQL Frameworks & Libraries: Spring Boot, Spring Data, Spring Security Database Systems: MySQL, Redis DevOps Tools: Docker, Kubernetes (basic) Version Control: Git, GitHub Why Work With Me?: If you're looking for a developer who is well-versed in the Java tech stack and can deliver high-quality code efficiently, I'm your ideal candidate. I am passionate about technology, detail-oriented, and committed to following best practices. Hobbies & Interests: Outside of work, I enjoy researching best practices for microservices architecture, exploring cloud-native technologies, and experimenting with new ways to improve existing systems. When I’m not coding, you’ll find me reading tech blogs, contributing to open-source projects, or unwinding with a game of basketball.
    vsuc_fltilesrefresh_TrophyIcon Java
    DevOps
    Problem Solving
    Spring Cloud
    MySQL
    Redis
    Spring Boot
  • $10 hourly
    i am very good at java , at the same time, know vue.js, very familar with oracle database, and i am very responsible;
    vsuc_fltilesrefresh_TrophyIcon Java
    Red Hat Enterprise Linux
    Oracle Data Integrator
    Vue.js
  • $5 hourly
    Living in nanjing china.I'm a developer experienced in building websites for small and medium-sized businesses. Whether you’re trying to win work, list your services, or create a new online store, I can help. I can build a website from 0 -1 Full project management from start to finish Regular communication is important to me, so let’s keep in touch.
    vsuc_fltilesrefresh_TrophyIcon Java
    Web Application
    Redis
    Oracle
    MySQL
    Website
  • $7 hourly
    A passionate mid-level Java development engineer with high-precision programming foundation and extensive technology stack knowledge. Proficient in using mainstream development languages ​​and frameworks on the market, possessing basic DevOps skills, and capable of software development and deployment. I love taking on challenges and solving complex problems through technological innovation.
    vsuc_fltilesrefresh_TrophyIcon Java
    API Development
    Redis
    NGINX
    Docker
    Vue.js
    C++
    Spring Cloud
    Spring Boot
    Microsoft SQL Server
    MySQL
    Golang
    Qt Framework
  • $25 hourly
    I am proficient in both Java and Go programming languages. In Java, I have developed a series of enterprise - level applications, leveraging its object - oriented features, strong type - checking, and rich libraries. With Go, I have worked on concurrent programming projects, taking full advantage of its lightweight goroutines and efficient communication channels for building high - performance and scalable systems. Regarding databases, I have in - depth knowledge of MySQL, Redis, and MongoDB. For MySQL, I am experienced in database design, query optimization, and handling complex transactions. Redis, known for its high - speed in - memory data storage, has been my go - to for caching solutions, session management, and real - time data processing. MongoDB, as a popular NoSQL database, has enabled me to manage large - scale unstructured data and build flexible data models for various applications. I am also well - versed in the Linux operating system. I can perform tasks such as server configuration, user management, software installation and configuration, and system monitoring. This proficiency allows me to smoothly deploy and maintain applications in a Linux - based environment. On the front - end side, I am familiar with HTML, CSS, and JavaScript. Using HTML, I can structure web content, while CSS helps me create visually appealing user interfaces. JavaScript, with its dynamic and interactive features, enables me to add functionality to web pages, such as form validation, real - time data updates, and seamless user interactions.
    vsuc_fltilesrefresh_TrophyIcon Java
    JavaScript
    HTML
    Golang
    Web Development
    Web Application
  • $9 hourly
    "I specialize in building high-performance, real-time backend systems with Java. I have experience handling massive concurrent data streams in a global telecom environment, optimizing APIs to reduce latency, and ensuring system stability under extreme load. My expertise includes Spring Boot, GRPC, Redis, AWS, and multi-threading. If you need a scalable backend that can handle millions of requests per second, let's talk!" Key Skills(核心技能): ✅ High-Concurrency Java Backend (Spring Boot, GRPC, Redis) ✅ Real-Time Data Processing & Optimization ✅ AWS Cloud Services (Lambda, API Gateway, DynamoDB, EC2) ✅ Distributed Systems & Microservices Architecture ✅ SD-WAN & Network Performance Monitoring
    vsuc_fltilesrefresh_TrophyIcon Java
    Docker
    Kubernetes
    PostgreSQL
    Unix Shell
    Vue.js
    Spring Security
    Redis
    MySQL
    Spring Data
    Spring Boot
    Python
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