Hire the best Spring Boot Freelancers in China

Check out Spring Boot Freelancers in China with the skills you need for your next job.
  • $35 hourly
    I'm Fusion Zhu, with over 10 years of experience in Java development, including 5 years focusing on Big Data Processing and Visualisation using Java, Scala, JavaScript, HTML5, Apache Spark, Apache Hadoop, Apache Hive, Apache Flume, Apache Hbase, Storm, Kafka, DataX, and ECharts. Throughout my career: I've assisted employers in data ingestion from various sources such as RDBMS, NoSQL databases, and files by developing utilities on OSS platforms like DataXServer (open-source on GitHub) and Realtime Page Click Statistical System (refer to Portfolio section) as a Big Data Developer. I've played a key role in building Big Data Platforms using technologies like Hadoop, Spark, Hive, HBase, Flink, Kafka, and ElasticSearch as a Big Data Architect. I've designed and developed Web Applications including e-commerce and Report Systems using Java, Scala, HTML5, JavaScript, CSS, Spring, Akka, Mybatis, D3JS, ExtJS, JQuery, ReactJs, ECharts, and Bootstrap CSS as a Java & Front-end Developer. I've managed full-stack teams (Java, Front-end, QA, and Operation) effectively as a Team Leader. Furthermore, I possess extensive skills and experience in Microservice design & architecture, Container Cloud (Docker, Kubernetes), Rust, and Linux. If you're seeking a reputable and reliable professional who consistently delivers results, I'm the one you're looking for. Thank you for visiting my profile, and I look forward to hearing from you!
    Featured Skill Spring Boot
    React
    Java
    JavaScript
    Scala
    Elasticsearch
    Web Development
    Docker
    OpenLayers
    D3.js
    Rust
    Apache Flink
    Apache Kafka
    Apache Spark
    Apache Hadoop
  • $39 hourly
    I am an AI Expert, I can build RAG, MCP, train an LLM mode,l etc. Certificates I have: - Certified SAFe® 5 DevOps Practitioner - Microsoft Certified: Azure Fundamentals - Microsoft Certified Professional - HashiCorp Certified: Terraform Associate - AWS Certified Solutions Architect - Professional - Certified Kubernetes Administrator (CKA) Anything related to IT: (System/Network/DevOps/Cloud Computing/Development/Servers/Mail) I can handle them, all period. About me : Terraform / Git test mentor on TestGorilla (Google Search TestGorilla , Terraform) Udemy Instructor I have over 15 years of experience in the IT industry, spanning various sectors including automotive manufacturing, tele-communications, software development, e-commerce, and IT consulting services. My expertise extends across multiple programming languages such as Java, Golang, Python, and JavaScript. I am also a seasoned professional in DevOps and Cloud Computing, with extensive hands-on experience working with major cloud platforms like AWS, Azure, GCP, and Alibaba Cloud. In addition to my technical skills, I am also a content creator. I have published several programming courses on Udemy, where I’ve earned high praise from over 10,000 students worldwide. (search google with keyword kobe73er Udemy) As a freelancer with more than 5 years of industry experience, I have successfully served over 40 clients globally, ranging from large corporations to small businesses and individual entrepreneurs. Last but not least, I am firmly committed to a customer-first philosophy, always prioritizing the needs and success of my clients. My goal is to deliver solutions that bring tangible value to my clients and help them success.
    Featured Skill Spring Boot
    Golang
    Google Cloud Platform
    Kubernetes
    Continuous Integration
    DevOps
    Alibaba Cloud
    Java
    Python
    Infrastructure as Code
    Amazon Web Services
    Microsoft Azure
    Terraform
    Node.js
    React
  • $50 hourly
    With 10 years of experience in software development, I am highly proficient in multiple areas. I am proficient in using Java development frameworks such as Spring, Spring Boot, Spring Cloud, Spring MVC, and Spring AOP, and understand their underlying principles. Additionally, I am skilled in using ORM frameworks like JPA, MyBatis, and iBatis. I am also adept at using databases including MySQL and Redis and am familiar with their underlying principles. Moreover, I am well-versed in various middleware like Redis and Kafka. I am proficient in Java's high concurrency, high performance, and multi-threaded programming and have developed related projects. I am familiar with the underlying principles of the JVM. I have participated in system architecture design and optimization. Furthermore, I am proficient in front-end development frameworks like React and Angular.js. However, my expertise doesn't stop there. I am also an extremely professional when it comes to Excel and VBA. I have extensive experience in developing robust Excel and Access programs using VBA. I can create sophisticated, user-friendly, and intuitive Excel and Access programs that automate tedious and complex processes, enhancing productivity for businesses and individuals. Whether it's building programs from scratch or expanding on existing ones, I am passionate about leveraging VBA to streamline Excel and Access workflows. I am currently looking for part-time opportunities related to Excel and VBA. If you need a professional who can transform your Excel and Access processes into powerful and user-friendly automated systems, look no further. Let's collaborate and achieve higher levels of productivity for you and your business.
    Featured Skill Spring Boot
    Google Spreadsheets API
    Redis
    Apache Kafka
    Visual Basic for Applications
    MySQL
    MyBatis
    Spring Cloud
    Java
    Excel Macros
    DevOps
  • $25 hourly
    I’m a developer with experience in NLP、LLM 、 CV and recommendation system and bigdata. 1. I’m experienced in RAG、langchain、deepspeed、llm、 object dection、video generation 2.I’m experienced in hadoop/hdfs/yarn/hbase/redis/kafka/hive, 2. I’m experienced in tensorflow/kubeflow/tf serving/trtion serving 3.I’m experienced in k8s/docker/html/jqurey/spring boot/mybatis 4.I’m experienced in aws componet, such as emr/ec2/s3/code deploy
    Featured Skill Spring Boot
    jQuery
    LangChain
    LLM Prompt Engineering
    PySpark
    AWS Application
    Big Data
    Artificial Intelligence
    Apache Hadoop
    Kubernetes
    Apache Flink
    Java
    TensorFlow
    Apache Spark
  • $20 hourly
    Software engineer for 10 years. Expert in Java backend, Android, and Kotlin. Skills include Linux server, networking, and Internet anti-censorship. Have some understanding of web front-end and react native. Dedicated to delivering high-quality work and creating value for my clients.
    Featured Skill Spring Boot
    Test Automation
    Appium
    Automation Framework
    SQL
    Reactive Programming
    Linux
    Kotlin
    Java
    Android
  • $20 hourly
    Any outstanding idea, you can come to me and I will give you excellent completion you can access my website to know me more (shuangxi.pro) backend:java,springMvc,mybatis,hibernate,jpa,traditional servlet,springboot,junit4 and more frontend:javascript,css,html,react,angular,vue and more database:oracle,postgresql,mysql,mongodb and more
    Featured Skill Spring Boot
    Oracle
    MySQL
    MongoDB
    Angular
    jQuery
    Spring Security
    Java
    React
    JavaScript
    Python
    Prototype JavaScript Framework
    Vue.js
    Java Servlet API
    Spring Framework
  • $60 hourly
    A passionate software architect, team leader, and software developer based on a solid software engineering background with 19 years of computing industry experience. Result-oriented and having: 1. Hands-on experience in distributed system/application architecture design 2. Execution of high-performance application development in n-tier architecture 3. On time delivery of enterprise solutions for various business domains in automobile manufacturing, enterprise remote support technologies, and enterprise e-commerce 4. Proficient skills in Java, ASP.NET, HTML5, OPC UA, XML, My SQL, Oracle PL/SQL and SQL Server 5. Successive application cutovers and deployment experience in very demanding real-time environments 6. Excellent English verbal and written communication skills 7. Rich onsite working experience in the United States
    Featured Skill Spring Boot
    React Native
    React
    Flutter
    Web Application
    Microservice
    Python
    Java
    Golang
    Docker
  • $50 hourly
    11 years experience , I am good at building stable + high available + security software. With advanced technology such as cloud native , service mess , blockchain , I can help your business to grow fast. Super full stack, I have experiences at hardware + software , frontend + backend , native app + hybird app , development + operations. Familiar to public cloud , such as aws , alibaba cloud , tencent cloud etc. I can also help you build your private cloud. I grasp the skills to build mix cloud
    Featured Skill Spring Boot
    JavaScript
    DevOps
    OAuth
    Spring Cloud
    Ethereum
    Solidity
    Blockchain
    Bitcoin
    Golang
    Node.js
    Java
    Apache Tomcat
    Ansible
    Kubernetes
  • $38 hourly
    I got more than 20 years of solid experience in developing web & mobile applications as a full-stack developer and system architecture. I started coding with C/C++ in 1997-99 and gained a solid understanding of OS and networks. I've worked as a backend engineer with Java and PHP for more than 5 years and then as a full-stack engineer for more than 10 years. For the recent 10 years, I worked as a system architect and a senior engineer manager. I worked for different companies, from stealth startups to public listed companies. My web and mobile apps are built to run in production environments stable and scalable for many years. From these works, I possed a variety of business knowledge including city pipeline planning, auto navigation, video conferencing, e-commerce, health management, and insurance services. I would always keep delivering optimized and exceeding expectation quality system design and apps as my primary value. I would always take the performance and security of your solution as the most important value for your client's needs. I'm also a quick learner and open to different ideas. If you are looking for a high-quality web and mobile solution developer, I'm the one for you. As a responsible and mature engineer, I'm willing to keep a long-term technical involvement in my projects and happy to see these projects running smoothly and successfully in real life. Please allow me to be the best of service to you!
    Featured Skill Spring Boot
    MySQL Programming
    Web Application
    Spring Cloud
    Full-Stack Development
    Single Page Application Framework
    Couchbase Server
    Mobile App Development
    Elasticsearch
    Spring Framework
    Web Services Development
    ClickHouse
    DevOps
    Embedded Linux
    WeChat
  • $50 hourly
    I have 6 years of experience in front-end (vue, html, js, css), java (spring), etc. My previous team was less than 50 people, I would help some newbies point out problems or fix bugs in their code, and I had solved many difficult problems for my team. so My skill is not only in js or java: * reviewed code for Android and IOS in order to solve the webview problem. * built and deployed tools such as strongSwan in order to solve the problem of local machine and test environment access each other. * built and deployed applications such as ELK, jenkins, nexus, git, docker in order to devops. * learned to modify the relevant code of Golang and Java in ELK system, in order for it can show the calling relationship of Dubbo framework and store the k8s pods stdout log propperly. * used some tools in Linux in order to solve network or deployment problems. and so on... Finally, although I have been reading a lot of English materials for the past few years in order to solve those problems, my spoken English still lacks practice. I can improve it well in this platform if needed. I believe I can do it because so many difficult problems have been solved by me.
    Featured Skill Spring Boot
    React Native
    Spring Cloud
    CSS
    Web Development
    MyBatis
    Spring MVC
    Vue.js
    HTML
    JavaScript
    MySQL
    Jenkins
  • $50 hourly
    I am an accomplished Java developer with over 10 years of extensive experience in designing, developing, testing, deploying, and maintaining software systems. I have proficiency in frameworks such as Spring as well as front-end technologies including JavaScript, React, Vue, and PixiJS. Over the course of my career, I have worked on various projects ranging from large-scale enterprise applications to smaller MVPs across diverse domains such as e-commerce, healthcare, finance, and education. My expertise lies in building scalable, robust, and secure software systems that meet business needs while adhering to coding standards and best practices. In addition to my core programming skills, I possess significant experience using containerization technologies like Docker and Kubernetes for efficiently deploying applications on cloud platforms. This allows me to ensure scalability and maintain high availability through streamlined deployment processes. I believe continuous learning is essential for professional growth. Thus, I consistently engage in ongoing personal development through continuing education by attending conferences, taking online courses, and actively participating in the developer community.
    Featured Skill Spring Boot
    Vert.x
    Vue.js
    Java
    JavaScript
    TypeScript
    React
    PixiJS
    Spring Framework
    Docker
    Kubernetes
  • $55 hourly
    I am a Master's degree holder in Engineering from Beijing University of Posts and Telecommunications. With a strong background in AI-related technologies, I have extensive experience in developing software applications utilizing these technologies. I am particularly skilled in code development and have a deep understanding of various programming languages commonly used in AI, such as Python and Java. Throughout my career, I have worked on a variety of projects involving machine learning, natural language processing, computer vision, and other AI-related fields. I am passionate about using AI to solve real-world problems and am dedicated to staying up to date with the latest developments in the field.
    Featured Skill Spring Boot
    Golang
    Web Service
    Artificial Intelligence
    Python Script
    Apache Spark
    Java
  • $60 hourly
    I'm a software engineer with 3 years of full time experience in building full stack services for medium and large-sized companies. • Proficient in Java/SpringBoot, Python, BigData etc. • Knowledge in Agile Development. • Open to all teck stacks and I am self-driven enough to ramp up all skills. • Regular communication is important, so let's keep in touch
    Featured Skill Spring Boot
    Hive
    Bash Programming
    Linux
    Google Cloud Platform
    Apache Flink
    Apache Hadoop
    Software
    Jenkins
    PostgreSQL
    Microsoft SQL Server
    Redis
    Golang
    Java
    Python
  • $45 hourly
    - 30+ years of overall programming experience, including 10+ years as a full-stack developer - Excellent data analysis skills enabling automated program trading in financial markets - 8 years at IBM sharpened my problem-solving abilities - MBA in top school provides business acumen and analytical approach - Created highly trafficked websites as early as 20 years ago - Front-end: React, Next.js, CSS/Bootstrap - Back-end: Node.js, Java/SpringBoot, Python, C++, Julia - Data: SQL/NoSQL, Redis, Matlab - Infrastructure: Docker, Kubernetes, Nginx and more - AI: local LLM deployment and fine-tune
    Featured Skill Spring Boot
    RabbitMQ
    Hugging Face
    NoSQL Database
    Julia
    Kubernetes
    Docker
    Redis
    SQL
    Python
    Java
    Node.js
    TypeScript
    Bootstrap
    React
  • $25 hourly
    He's a senior software developer with over 4 years of Thoughtworks's experience delivering high-value and high-quality products with full-stack skills and solid algorithm knowledge in agile mode. Working for software development with multinational clients such as: - mobile app & wechat miniprogram promotion event for most famous coffeehouses promotion event - labor collection system for global leader in railcar leasing - car connect management system of german automobile manufacturer - siglus open-source electronic logistic management information system to manage health commodity supply chains.
    Featured Skill Spring Boot
    Angular 2
    React
    HTML5
    CSS 3
    Spring Security
    AngularJS
    Vue.js
    Next.js
    Java
    Hibernate
    JavaScript
    Spring Data
    Node.js
  • $21 hourly
    OFFERS Core Java Programming Concurrent Java Programming Programs with Database Connectivity (MySQL, MSSQL) Programs with File Handling Algorithms Implementation(Data Structures) Exams Preparation Teaching Java and Object Oriented Concepts Complex and Simple Graphical User Interface Java FX JSP Servlets Java Swing Rest Services Soap Services Java Desktop Applications Data Structures and Algorithms Object Oriented Programming BUG fixing Development Tools Eclipse NetBeans DrJava BlueJ Others (on demand) What you can Get: high-quality code Modification(on demand) Commented code Satisfaction is guaranteed. Important! Contact me before ordering to discuss your project.
    Featured Skill Spring Boot
    Core Java
    Java GUI
    Unix Shell
    Web Application
    Web Design
    HTML
    MySQL Programming
    Desktop Application
    Eclipse IDE
    API
    Spring Framework
    PHP Script
    Database Design
    Python
  • $30 hourly
    High Concurrency, High Performance, High Availability framework design experience 12+ years java experience 7 years spring boot experience 4+ years spring cloud experience 10+ years mysql database experience 9+ years restful api interface develop experience Be proficient at Redis in its application scenarios. Familiar with activeMq, rabbitMq and other message middleware. Familiar with database: Mysql, oracle and master index optimization and sql optimization.
    Featured Skill Spring Boot
    Hibernate
    RabbitMQ
    MyBatis
    Apache Kafka
    Spring Cloud
    Redis
    MySQL
    Linux
    MongoDB
    Java
  • $15 hourly
    My name is Jun Y., I am a Computer Engineer 6 and a half years of Java development experience, participated in the full-stack development of many systems, involving Toc social e-commerce, ToB gift trade e-commerce, big data, etc., in-depth study of Spring, Spring Cloud, JHIpster related resources, amateur the opensource community contributes code. I am currently living in China, pard-time freelance work, with fluent in Chinese and English. - Experienced in various areas in the design, development and maintenance of software applications - Well versed in developing applications based on SOA (SOAP/Rest). - Experienced in creating CI/CD pipeline and automation - Have experience in creating applications from scratch. - Have good knowledge in Spring Cloud, Spring Boot, Vue, JHipster, Full-Stack Development, docker and Kubernetes - In addition to working independently in projects, I am well able to create value with a team. - Experienced in writing test automation and load test scripts. ---------------------------------------------------------------------------------- Knowledge Areas and skills 📌 Specialties: Java, Rust, WordPress, Vue, Restful, Spring framework, Spring Cloud, Spring boot, JHipster, AspectJ, JPA (Hibernate), Mybatis, JUnit, JSON 📌 Developing tools: IntelliJ, Gitlab, Docker, Kubernetes, Atlassian suite (Jira), Eclipse, Maven, Gatling (scala), Jenkins, Tomcat. 📌 VCS: Git, Subversion
    Featured Skill Spring Boot
    Facebook Pixel Setup & Optimization
    JHipster
    Core Java
    WebAssembly
    Elasticsearch
    JavaScript
    MongoDB
    Neo4j
    Java
    Spring Security
    MySQL
    Rust
    Google Chrome Extension
    Vue.js
  • $30 hourly
    With over a decade of seasoned expertise, I am a proficient Senior Developer specializing in Back-End, Front-End, and Android Development. My journey has been marked by successful project completions, adeptly managing a contract valued at 200+ million annually, and seamlessly handling concurrent usage by 100,000+ users. Adept in SCRUM methodologies and SDLC practices, I bring a track record of ensuring system functionality and delivering top-tier solutions. My technical prowess is underlined by a history of crafting high-quality solutions, bolstered by strong collaboration skills and a knack for solving intricate problems. I excel as both a mentor and a collaborator, fostering effective teamwork and learning environments. Fluent in English, Mandarin, and Cantonese, I possess a diverse skill set that encompasses equipment management, ERP, CRM, e-commerce, social media, and video monitoring systems. My portfolio centers on projects tailored for corporations and governments, often built upon the robust SaaS model. At the core of my approach lies a dedication to pragmatic business solutions. Leveraging a plethora of matured plugins, components, and third-party integrations, I tackle commonplace website and application requisites. Your interview invitation would be most welcome, as I am eager to discuss how I can contribute to your team. I await the opportunity to connect and explore synergies. Skills: Technology: Java, Core Java Object Oriented and multi-threaded Programming, J2EE, JDBC, JMS/MQ Series, Android, Vuejs, Angularjs, BootstrapUI, ElementUI, AntdUI, Javascript, JSP, Servlets, XML, HTML, PHP, Python, Cas, Restful api, Graphql, Uniapp, Wechat, Alipay, Zabbix, Tencent cloud, Alibaba cloud, Blockchain, Live Stream, Activiti(workflow). Languages: Java, SQL, PL/SQL, Html, Javascript, PHP, Python, C/C++/C#/Object-C/ (academic experience only) Application Frameworks: Spring (IOC, ORM, DAO, AOP), MVC (Struts, SpringMVC, ThinkPHP5), Spring Boot Microservices: Spring Cloud, netflix eureka, alibaba nacos Data Access Frameworks: Hibernate, Mybatis, Mybatis Plus, Spring JPA SOA: SOAP/RESTFul Web Services Testing Frameworks: JUnit, Mokito Database: SQL Server, Oracle, Mysql, Postgresql, Tdsql(distributed database), Trustsql(blockchain), Kingbase Nosql: Redis, Ehcache, Memcached, Mongodb, Elasticsearch Message queue: Rabbitmq, Rocketmq Operating Systems: Linux, Windows 2008R2, Windows 2012R2 Code Repositories: Cvs, Svn, Git Build/Deployment Tools: Ant, Maven, Gradle, Jenkins, Aliyun EDAS, K8S Container: docker, podman Development Tools: Eclipse, Myeclipse, IDEA, Android Studio, Navicat, Oracle PL/SQL Developer, Mysql Workbench, SQL Server Management Studio, SQLite Expert Test Tools: Apache JMeter, Postman, Fiddler, Wireshark, MemoryAnalyzer Application Server: Apache Tomcat, JBoss, Apusic AAS Methodologies: SCRUM, Waterfall Business Modelling: UML, Enterprise Architect, Powerdesigner
    Featured Skill Spring Boot
    GraphQL
    Spring Cloud
    WeChat
    Alibaba Cloud
    RabbitMQ
    Microsoft SQL Server
    MySQL
    Oracle
    Redis
    Linux
    PHP
    JavaScript
    Android
    Java
  • $75 hourly
    Hello! With over 8+ years of software engineering experience, I am providing cost-efficient solutions for all clients’ needs. I am turned towards creating long-term relations and turning startups into successful companies. I provide web and mobile solutions for video streaming, chat engines, social/dating/uber platforms, Bluetooth/BLE.
    Featured Skill Spring Boot
    Website
    Elasticsearch
    TypeScript
    SQL
    HTML
    Web Application
    HTML5
    CSS
    React
    MySQL
    Java
    Python
    Scala
    MongoDB
  • $29 hourly
    Hi 👋 With 15 years of professional experience and I am proficient in software architecture, backend and frontend development, and database design. I hold a master degree of software engineering from University of Science and Technology of China. Worked in the multinational companies Intel, Infosys and local well-known companies China Merchants Bank and Ctrip.com and several strartup companies. Developed apps/systems with over 100 million users such as cmb bank and ctrip. Currently I am a freelancer and working as a full-stack developer. 🏆 15 years of experience in application design and implementation, strong knowledge in developing scalable and high-performance application solutions. ✅ Proficient in Java stack : Java, Spring, Spring MVC, Spring Boot, Microservice, Hibernate, JPA,MyBatis. ✅ Database: MySQL, SQL Server, PostgreSQL, MongoDB, Oracle, DB2. ✅ Middleware: RabbitMQ, RocketMQ, Kafka, Redis, ElasticSearch. ✅ Proficient in SQL, performance tuning and riched experience in database design. ✅ Front-end : React.js,Next.js,Vue.js,HTML, JavaScript, TypeScript, jQuery, CSS,Tailwind CSS,Material UI. ✅ Proficient in AWS, GCP, Azure, Alibaba Cloud, Docker, Kubernets,Terraform, Prometheus, Grafana, Jenkins. ✅ Proficient in .Net stack: C#, ASP.NET, ASP.NET MVC, .NET Core, WebAPI, WPF, WinForm. ✅ Proficient in SSIS,SSRS(Reporting Service), SSAS, ETL, Crystal Report ✅ Proficient in Microservice Architecture Design and Monitoring. ✅ Familiar with lifecycle of development and strong skills in DDD(Domain Driven Design). I also have solid Python development experience, and I am familiar with Django and Fast API development frameworks. ✅ PMP certificated and areas of expertise including Agile project management, cross-function coordination,timeline & risk control & documentation. 🏆 Technology Invention Patent(first or lead author): ✔ CN112612807A Distributed transaction data consistency system design method ✔ CN112559548A Data synchronization system and method for message-oriented middleware ✔ CN112613912A Discount coupon receiving system in high concurrency scene ✔ CN112528124A Search and recommendation design system of search engine ✔ CN112671883A Multifunctional message notification system design method ✔ CN112529712A Modeling method and system for user operation analysis RFM What you can expect working with me: - QUALITY: I manage and execute projects in ways I learned working in Infosys & Intel. Anything I deliver is with the standards of quality that can be expected for US top technology companies. Bug fixing is free after delivery. - COMMUNICATION: I provide frequent status updates and quick responses to reduce clients' anxiety. For larger projects, I use professional project management tools to keep clients updated. - PRICE: Every project has uncertainty and risk, cost overrun being the most common. For fixed-price projects, the risk is on me. The price I give you is not high and is guaranteed. You will never see a price increase in the middle and I will do whatever is required to deliver the product. My clients' happiness is always my top concern. I'll be looking for a communication from you.
    Featured Skill Spring Boot
    ETL
    Android
    Spring Cloud
    .NET Core
    Next.js
    Elasticsearch
    Vue.js
    React
    Redis
    C#
    MySQL
    Java
    Microservice
  • $30 hourly
    I’ve contributed to the official Facebook React Native library by submitting several PRs. Furthermore, I’ve earned significant income completing bounty tasks on GitHub through Upwork. You can explore my contributions and work on my GitHub profile: github.com/hellohublot My expertise is ensuring your app runs smoothly without lag. With my proficiency in low-level native development, you can rest assured that your application won’t face performance issues that might require a complete rebuild. I am deeply focused on performance and security, which enables me to create high-performance mobile apps using React Native, Swift, or Objective-C. Additionally, I have experience with tools like Frida for reverse engineering, allowing me to extract any data you need.
    Featured Skill Spring Boot
    Next.js
    Performance Optimization
    Reverse Engineering
    NestJS
    React
    Objective-C
    Swift
    Flutter
    TypeScript
    React Native
    iOS
    Apache Cordova
    Python
    GraphQL
  • $25 hourly
    bigdata,sql optimize,sql parser,apache calcite,java,bigdata,sql optimize,sql parser,apache calcite,java,bigdata,SQL,Linux Shell,Apache calcite,Apache Maven,Springboot,Apache Yarn,Apache Spark,Apache Calcite,Jenkins,MySQL,PostgreSQL,GitLab
    Featured Skill Spring Boot
    Unix Shell
    Apache Hive
    Apache Hadoop
    Jenkins
    GitLab
    GitHub
    Apache Spark
    Java
    SQL
    PostgreSQL
  • $20 hourly
    “I’m a developer with experience in building websites for small and medium sized businesses. Whether you’re trying to win work, list your services or even create a whole online store – I can help! I’m experienced in HTML and CSS 3, jQuery. I’ll fully project manage your brief from start to finish Regular communication is really important to me, so let’s keep in touch!”
    Featured Skill Spring Boot
    Back-End Development
    Front-End Development Framework
    Front-End Development
    Back-End Development Framework
    Amazon Web Services
    React
    TypeScript
    JavaScript
    Java
    Vue.js
    Angular
  • $40 hourly
    5+ years of experience as java backend developer, skilled and passionate at writing software. Familar with Java, Mysql, Redis, Kafka,etc
    Featured Skill Spring Boot
    Apache Kafka
    MySQL
    Java
    Hibernate
    Redis
    Kubernetes
    Jenkins
    MyBatis
    RESTful API
    Git
  • $30 hourly
    I have extensive experience in designing and developing software applications for small and medium-sized businesses. I have been a key contributor in several projects, including a server monitoring platform using Zabbix, an online course platform with membership and video-on-demand functionality, and a customer service system utilizing WeChat Enterprise with a custom-designed user interface and offline chat record storage. As a front-end developer, I am well-versed in HTML and CSS3, as well as WordPress and AntDesign. On the backend, I am proficient in Java, SpringBoot, MySQL, Hibernate, and Mybatis. Additionally, I am familiar with Linux, shell scripting, and Nginx. Communication is of the utmost importance to we freelancers. If you are looking to create a new application or simply seeking consultation, please don't hesitate to reach out to me. I would also be open to ongoing communication and happy to talk with you throughout our cooperation. Let's keep in touch!
    Featured Skill Spring Boot
    WeChat
    WordPress Development
    Web Application
    Vue.js
    HTML5
    Smartphone
    MySQL
  • $40 hourly
    In my past 10 years career, I have been through a number of different roles in Oracle. I see myself as both developer and devops engineer. I write clean and maintainable codes, I also produce scripts for CICD practice. A few highlights about myself: ✔︎ Constantly updating my knowledge with the most recent design patterns and code conventions; ✔︎ The delivery of a product that respects the highest standards of usability, performance and appearance is guaranteed; ✔︎ Great cost-benefit by delivering faster and higher quality products than the average; ✔︎ Flexible availability to always meet the client's needs.
    Featured Skill Spring Boot
    SOAP
    React
    Azure DevOps
    J2EE
    SQL
    RESTful API
    Jenkins
    Kubernetes
    Java
    Terraform
    Ansible
    MongoDB
  • 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.