Java Developers for hire in United States
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LionsDenGaming LionsDenGaming
$50 USD / hour
Automation / Bot / Scrap / Full Stack / MLUnited StatesWelcome to my profile! I am a highly skilled software developer with extensive experience in web and mobile app development, data analysis, automation, and software architecture. I have a proven track record of delivering high-quality projects on time and within budget, with a strong emphasis on attention to detail,...Welcome to my profile! I am a highly skilled software developer with extensive experience in web and mobile app development, data analysis, automation, and software architecture. I have a proven track record of delivering high-quality projects on time and within budget, with a strong emphasis on attention to detail, flexibility, and responsiveness to client needs. ◉ Skills ◉ ➥ Programming Languages: JavaScript, Python, C#, C++, Java ➥ Web Development: Python, React, Next.js, Node.js, Express ➥ Mobile App Development: React Native, Flutter, Java, Xamarin, MAUI ➥ Machine Learning & Data Science: NumPy, Pandas, TensorFlow, Keras, PyTorch, NLP ➥ Version Control: GitHub, GitLab, Bitbucket Thank you. less
Hire LionsDenGaming
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As an independent, solution-driven full stack developer with over 5 years of professional experience in web development specifically, I always take an ownership of the application to deliver modern, responsive, scalable, maintainable and optimized codebase and my primary skills are Javascript, HTML/CSS, Typescript,...As an independent, solution-driven full stack developer with over 5 years of professional experience in web development specifically, I always take an ownership of the application to deliver modern, responsive, scalable, maintainable and optimized codebase and my primary skills are Javascript, HTML/CSS, Typescript, React.js for Frontend, PHP, Laravel, Java/Spring boot, Python and Node.js for Backend Areas of expertise: ✅ Web / App development ✅ Web Scraping / Data Mining ✅ Generative AI (Fine-tuning LLMs, RAG, Prompt Engineering, Chatbots and AI Assistants) ✅ Computer Vision and Image Processing (Object detection/segmentation/tracking, Image/Video classification, Image generation, OCR) ✅ Tabular/Numeric Data Analysis (Data analysis and visualization for sales data/customer behavior data) less
Hire robertor5
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I offer comprehensive Software Architecture Services designed to build robust, scalable, and efficient software systems tailored to meet the unique needs of your business. My expertise lies in creating clear, actionable architecture blueprints that serve as a foundation for developing high-performing software...I offer comprehensive Software Architecture Services designed to build robust, scalable, and efficient software systems tailored to meet the unique needs of your business. My expertise lies in creating clear, actionable architecture blueprints that serve as a foundation for developing high-performing software solutions. With a focus on modern architectural patterns, microservices, and cloud-native technologies, I ensure that your software architecture is flexible, resilient, and ready for future growth. I work closely with each client to understand their specific challenges and objectives, providing personalized guidance on technology selection, system design, and best practices for implementation. My goal is to empower your development teams with a solid architectural framework that accelerates development, facilitates maintenance, and reduces overall project risk. Partner with me to transform your vision into a software reality that drives business success and technological innovation. My certifications: - Microsoft – Azure Administrator - Microsoft – Azure Fundamentals - Microsoft – Azure AI Fundamentals - Microsoft – Azure Data Fundamentals - CompTIA CASP+ - CompTIA Security+ - EC Council – CEH Certified Ethical Hacker -eLearnSecurity – eCRE Certified Reverse Engineer - IITAC – Certified Reverse Code Engineering Professional - IACRB – Certified Reverse Engineering Analyst -SmartBear – SOAPUI NG Pro less
Hire qprotex
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## Frontend Development: ✔ Languages & Technologies: HTML/CSS, JavaScript ✔ Frameworks & Libraries: React.js, Angular.js, Vue.js, Redux, Vuex, Context API ✔ Mobile & Web Applications: Android, iOS, React Native, Ionic, Swift, Kotlin, Flutter ✔ 3D & Interactive Graphics: Unity, WebGL, Three.js ✔ Blockchain...## Frontend Development: ✔ Languages & Technologies: HTML/CSS, JavaScript ✔ Frameworks & Libraries: React.js, Angular.js, Vue.js, Redux, Vuex, Context API ✔ Mobile & Web Applications: Android, iOS, React Native, Ionic, Swift, Kotlin, Flutter ✔ 3D & Interactive Graphics: Unity, WebGL, Three.js ✔ Blockchain Integration: Web3.js, Ethers.js for DApp interfaces ## Backend Development: ✔ Languages: Node.js, Python, Ruby, Java, PHP, C#, Solidity ✔ Frameworks & Platforms: Express.js (Node.js), Django, Ruby on Rails, Spring Boot, Laravel, ASP.NET Core ✔ Blockchain Platforms: Ethereum, Hyperledger Fabric, Binance Smart Chain ☘ Database Management: ✔ SQL Databases: MySQL, PostgreSQL, MariaDB ✔ NoSQL Databases: MongoDB, Cassandra, CouchDB ✔ Blockchain Data Management: Understanding of how blockchain data is stored and accessed ## APIs & Authentication: ✔ API Design & Protocols: RESTful API, GraphQL ✔ Authentication & Security: OAuth, JWT, SAML ✔ Blockchain Security: Public key cryptography, digital signatures, smart contract security ☁ DevOps & Infrastructure: ✔ Version Control: Git, GitHub, GitLab, Bitbucket ✔ Web Servers & Proxies: Apache, Nginx, Reverse proxies, Load balancing ✔ Continuous Integration & Deployment: CI/CD, Jenkins, Travis CI, CircleCI ✔ Containerization & Orchestration: Docker, Kubernetes ✔ Blockchain Nodes & Networking: Setting up and maintaining blockchain nodes, understanding P2P networks ## Project Management & Collaboration: ✔ Tools & Platforms: JIRA, Trello, Monday.com ✔ CRM & Marketing Automation: Hubspot, GoHighLevel ✔ Blockchain Development Tools: Truffle Suite, Hardhat, Remix IDE ## E-commerce & CMS Platforms: ✔ Content Management Systems: WordPress, WIX ✔ E-commerce Solutions: WooCommerce, Shopify ✔ Blockchain E-commerce: Integration of blockchain for payment solutions, smart contract-based transactions less
Hire meftaht
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Greetings! I'm Ding. An aspiring ???????? ???????? over ? ????? of industry experience. ???????????? in PHP, Laravel, MySQL, JavaScript, Node, React, WordPress, system design and backend focus fullstack development with proven track record of crafting efficient, scalable solution. Deliver testable, maintainable and...Greetings! I'm Ding. An aspiring ???????? ???????? over ? ????? of industry experience. ???????????? in PHP, Laravel, MySQL, JavaScript, Node, React, WordPress, system design and backend focus fullstack development with proven track record of crafting efficient, scalable solution. Deliver testable, maintainable and performant code. Throughout my tenure, I have contributed to various software solutions. I adhere to software engineering best practices throughout the Software Development Life Cycle (SDLC) to produce clean, structured, and optimized code. ??? ??? ?? ???? ?? ????????? ???? ??: • Full stack web development • Dynamic and Interactive web application • Framework, Payment or API integration • Database and System design • Performant and Secure application • Scripting, Data structure, Algorithm solution • PHP, Laravel, JavaScript, React, Node, MySQL-based development solution So, I am confident that I can provide the expertise you require. My expertise includes PHP, Laravel, JavaScript, Vue, React, WordPress, OOP, SOLID, System Design, Design Patterns, RESTful API, 3rd Party API Integration, SQL, Docker, AWS, Git/GitHub, Server Management etc. Additionally, I hold a Bachelor's degree in Software Engineering from one of the top reputed universities in Bangladesh. ?? ??????? ????????: • Requirements discovery and analysis • Planning and Design • Development • Test and Verify • Deliver and Maintenance By accepting your offer, I will take full responsibility for meeting deadlines and completing the project to your satisfaction. I value building long-term relationships with my clients and look forward to hearing from you. Thank you once again for your time and consideration. Best Regards, Md. Amin Hossain Web Developer | Fullstack Developer | PHP Laravel Developer | MySQL | WordPress | Database Design less
Hire dingh3
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I am an experienced software developer in North Carolina, USA with five years of full-stack web development in Golang and Java-based frameworks with ReactJS, with several years of previous experience in .NET, and C/C++/C#.I am an experienced software developer in North Carolina, USA with five years of full-stack web development in Golang and Java-based frameworks with ReactJS, with several years of previous experience in .NET, and C/C++/C#. less
Hire blakedeville
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Dynamic and results-driven Full Stack Developer with over 5 years of experience in designing, developing, and deploying scalable web applications. Proficient in both front-end and back-end technologies, including HTML, CSS, JavaScript, React, Node.js, and SQL databases. Strong problem-solving skills with a focus on...Dynamic and results-driven Full Stack Developer with over 5 years of experience in designing, developing, and deploying scalable web applications. Proficient in both front-end and back-end technologies, including HTML, CSS, JavaScript, React, Node.js, and SQL databases. Strong problem-solving skills with a focus on user experience and performance optimization. Experienced in collaborating with cross-functional teams to deliver high-quality software solutions. Passionate about learning new technologies and implementing best practices in software development. less
Hire shawnaw4
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Top Skills Android Developer IOS Developer. Experience 15 years Android Developer 5 years React Native Developer 3 years C# and Unity Developer. Strengths Fast learner with knowledge with a lot of programming languages like Kotlin , Java , C# , Swift.Top Skills Android Developer IOS Developer. Experience 15 years Android Developer 5 years React Native Developer 3 years C# and Unity Developer. Strengths Fast learner with knowledge with a lot of programming languages like Kotlin , Java , C# , Swift. less
Hire itziksamara1983
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- 7 Years of Experience in CRM & Marketing Automation (Zoho, Salesforce, HubSpot, GoHighLevel) ✨ About Me: I am a trusted & certified CRM expert with over 7 years of experience (Zoho, Salesforce, HubSpot, GoHighLevel and more) in driving digital transformation through effective CRM solutions and marketing automation...- 7 Years of Experience in CRM & Marketing Automation (Zoho, Salesforce, HubSpot, GoHighLevel) ✨ About Me: I am a trusted & certified CRM expert with over 7 years of experience (Zoho, Salesforce, HubSpot, GoHighLevel and more) in driving digital transformation through effective CRM solutions and marketing automation strategies. With a robust background in software engineering, I specialize in streamlining sales and marketing operations to enhance productivity and drive growth. ?Core Competencies? ☑ Zoho CRM : Zoho Creator, Zoho Inventory, Zoho desk, Zoho Books, Zoho CRM ☑ HubSpot CRM Expertise: Implementation, configuration, and optimization of HubSpot CRM and its associated tools (Sales Hub, Marketing Hub). ☑ Automation Mastery: Proficient in Zapier, Make.com, and n8n for creating seamless workflow automations that save time and reduce manual tasks. ☑ Data Management: Expertise in data migrations, synchronizations, and database management to ensure the integrity and efficiency of CRM systems. ☑ Marketing Automation: Developing and executing strategies for lead generation, nurturing, and conversion optimization through sophisticated email marketing and automation workflows. ☑ API Integrations: Skilled in integrating third-party applications with APIs to enhance functionality and data flow across platforms. ?Key Skills? ✔ CRM Platforms: Zoho CRM, HubSpot, Salesforce, Monday.com, GoHighLevel ✔ Automation Tools: Zapier, Make.com, n8n, Pabbly, Airtable ✔ Email Marketing: Campaign management, segmentation, A/B testing, and analytics ✔ Reporting & Analytics: Custom reporting and dashboard creation in HubSpot for actionable insights ✔ Training & Onboarding: Providing comprehensive training for teams to maximize HubSpot functionalities ?Selected Achievements? ? Workflow Automation: Developed a lead generation automation that increased qualified leads by 40% and significantly enhanced customer engagement. ? Project Management Optimization: Customized Airtable for project management, integrating it with Zapier to automate task assignments and notifications, leading to a 30% reduction in turnaround time. ? Invoicing Automation: Implemented automated invoicing systems that reduced manual entry errors by 25%, increasing overall billing accuracy. Let’s Collaborate! If you’re looking to transform your business processes, enhance your marketing efforts, and maximize your CRM capabilities, let’s connect! I am available for immediate discussions and can take on projects of varying scopes. ? Schedule a Discovery Call Today! less
Hire kevinp86
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✓ Back-end: .NET, Ruby on Rails, PHP, Node.js, Laravel, Wordpress ✓ Front-end JS: Next.js, AngularJS & 2+, React.js jQuery, AJAX, CoffeeScript ✓ Front-end UI development: HTML5, HAML, CSS3, SASS, LESS, Bootstrap ✓ Databases: MS SQL Server, PostgreSQL, MySQL, MongoDB, Redis ✓ Payment: Braintree, Stripe, PayPal,...✓ Back-end: .NET, Ruby on Rails, PHP, Node.js, Laravel, Wordpress ✓ Front-end JS: Next.js, AngularJS & 2+, React.js jQuery, AJAX, CoffeeScript ✓ Front-end UI development: HTML5, HAML, CSS3, SASS, LESS, Bootstrap ✓ Databases: MS SQL Server, PostgreSQL, MySQL, MongoDB, Redis ✓ Payment: Braintree, Stripe, PayPal, Authorize.net, 2CO, Google Checkout ✓ Searching: Solr, Elastic Search, Ransack ✓ TDD: RSpec, Mini_test, TestUnit ✓ TDD/BDD support: Capybara, Cucumber, Factory_girl, PhantomJS, Selenium ✓ Servers: AWS, MS Azure, Heroku, Rackspace, DigitalOcean ✓ Code Management Tools: Github, Bitbucket, Gitlab ✓ PM Tools: Jira, Trello, Asana less
Hire DanneyT
