Top 50+ Java companies

I am a dedicated and experienced Java Full Stack Developer with a passion for creating robust and scalable web applications. With a solid background in both front-end and back-end development, I bring a holistic approach to software engineering. My goal is to deliver high-quality solutions that meet and exceed client expectations. Key Skills: Java Development: Proficient in Java programming for building scalable and efficient applications. Front-End Technologies: Expertise in HTML, CSS, JavaScript, and modern front-end frameworks like React.js or Angular. Back-End Development: Experienced in server-side development using Java frameworks such as Spring Boot. Database Management: Skilled in designing and optimizing database systems, including SQL and NoSQL databases. Full Stack Expertise: Comfortable working on both client and server sides, ensuring seamless end-to-end functionality. Problem Solver: Adept at troubleshooting and problem-solving, ensuring smooth development workflows. Previous Projects: Developed a scalable e-commerce platform using Java and Spring Boot, resulting in a 30% increase in user engagement. Designed and implemented RESTful APIs, enhancing the efficiency of data communication between front-end and back-end systems. Collaborated with cross-functional teams to deliver projects on time and within budget. Why Choose Me: Proven track record of delivering high-quality software solutions. Strong communication skills for effective collaboration with clients and team members. Dedicated to staying up-to-date with the latest technologies and industry trends. I am excited about the opportunity to contribute my skills and expertise to your project. Let's discuss how I can help you achieve your goals!

I've been working with Java for many years and also I have built many UI and REST automation frameworks

We are Supportful. We provide staff augmentation and software engineering services for tech companies. Whether you want to create your startup’s disruptive product or to build an enterprise-level application, Supportful's hand-picked experts are here to help. From junior profiles to senior architects, we all share a passion for tech and for solving problems.​ Check out some of our clients' testimonials here https://www.supportful.world and on Clutch: https://clutch.co/profile/supportful#reviews

Hi I'm Ali Raza and I am a programmer with expertise in Python, Java, and C++. I am excited to bring my skills and experience to the Upwork community. As a dedicated and detail-oriented developer, I am committed to delivering high-quality solutions that meet my clients' needs. Whether you are looking for a complex software solution or a simple app, I am confident that I have the skills and experience to help you achieve your goals. Thank you for considering my profile. I look forward to working with you soon!

We are Logiccodes an IT Technology Consulting firm providing services in the area of Enterprise IT, Digital Transformation, and Marketing Insights. We provide full-scale IT services to large and mid-size clients. Enterprise IT is core Logiccodes capability with deep, global expertise in delivering enterprise-scale solutions. We are experts in a wide variety of web/windows development, Mobile technologies, Data management, cloud services, network solutions, and consulting services. Currently running multiple projects around the globe like the US, UK, Canada, Australia, and France. We are experts in different technologies like C#, WPF, ASP.NET/MVC, MS SQL Server, jQuery/JSON, XML, HTML5, PHP, Java, Kotlin, and Swift. Web Service, Windows Service, and Third-party libraries like FedEx, UPS, DHL, eBay, Amazon, SendGrid, PayPal, First-data, Sage Pay, Click bank, Melissa, Active and Crystal reporting, and Testing simulator. Please contact us at logiccodes.com or send an email to contactus@logiccodes.com

Genius Studio is a company with a lot of experience in developing mobile applications from scratch. Our studio works with many large companies and individuals. We have a large portfolio of real orders, each of which is unique. To fulfill the wishes of the client, we use such safe utilities as: - Kotlin, Java, Swift, Flutter, C# for code. - Figma, Adobe for custom design. Without our team, we would not have been able to achieve such high results and satisfied customers. Our super team consists of such wonderful people as: Egor Yakshuk (1-st CEO) - for more than 5 years, he has been actively involved in the intricacies of business and marketing. From an early age he understood the main thing for himself - that the business and the team are for him. Among other things, he has good knowledge in programming and he developed some applications for himself and on order. After hard work and mistakes, he was able to found a cool studio that is growing to this day Matvey Danishevskiy (2-nd CEO) - has been in business for over 3 years. Helps to find connections and deals with the distribution of tasks in the company. Monitors the performance of employees, as well as deadlines Vladislav Portnov (Mobile Games Developer) - Vladislav started studying Unity immediately after graduation and immediately realized that this was his direction. Thanks to the combination of his hobby and earnings, Vladislav has become an excellent specialist, with more than 4 years of experience, who has many small mobile games that are made to order, as well as his own self-developed game, which is unique. Vlad is truly the driving force behind our company's mobile game development Anton Danilov (Android Developer) - is the main and most responsible person for the development of android applications. At first, Anton developed applications for himself, and later he began to make them for clients. He has more than 50 completed projects on his account, which can be found on the simple Play Market today. In addition, Anton is the leader of other Android developers that may be in our company, and is also present with the CEO at interviews Darya Kablash (UI-design illustrator) - very creative person. Darya has 5 years of design experience and worked a lot as a freelancer, even had her own small web studio. She has a huge number of high-quality designs that attract more and more customers. Each application released by us contains her design As for the development stages, they are presented as follows: 1) Determining customer preferences and stipulation of terms of development. 2) Design drawing. 3) Application architecture and сode injection. 4) Testing. 4) Show to client and final payment. 5) Further support for our client's application as desired Our main goal is to ensure the client is happy and fulfill his desires 100%. We really want to work with great people and companies, and their super cool and interesting projects. The doors of our studio are always open for everyone :)

We are professional Web App developers of new Startups, Enterprise Systems and solutions of a wide range. Our team based in Huntington Beach, CA 92648, USA office and consists of skilled web developers, designers and Q/A engineers. Master Code Agency focuses in development of custom Web Applications, Websites and Enterprise Systems in front-end (React js, Angular 2~11, Typescript), backend (Node js/Express js & Java/Spring Boot full stack and AWS), AWS Amplify/AppSync/Lambda/Cognito, database design (SQL, NoSQL, Mongo, Dynamo, other), and modern single-page-app design (React/Redux, JavaScript, HTML5, etc). 🔥Our services: ✔️ Dedicated team ✔️ Project out-sourcing ✔️ Extended team ✔️ Out-staffing ✔️ Team recruitment for project 🔥Technical Skills: 1) Frontend Development: ✔️ JavaScript/TypeScript: Nuxt.js, React.js, Next.js, Angular 2-11, Redux, Redux Thunk, Redux Saga, React Context, React Router, 2) Backend Development: ✔️ Java, SpringBoot, Microservices, Node.js, Express.js, Apollo Server, Mongoose ODM, TypeGraphQL, {Focussed on Node.js ecosystem}, AWS Lambda, Amazon Cloudwatch, Amazon SES, Amazon SQS, Amazon API Gateway, AWS Amplify, AWS AppSync, Amazon Cognito, Google Firebase, etc ✔️ Database: MySQL, MS SQL, MongoDB, PostgreSQL, Redis Cache Server ( NoSQL ) 🔥Our team: ✔️ 100% Senior developers ✔️ 100% of employees speak English fluently ✔️ 100% of employees have BA or MA in Computer science 🔥Other services: ✔️ Graphic Design Adobe Photoshop | Illustrator | Figma ✔️ Adobe XD Prototyping and Wireframing | Zeplin | Invision | Marvel App ✔️ Customizations: SuiteCRM | SugarCRM | Dolibarr ERP | Salesforce App Development ✔️ Integrations: PayPal | Stripe | Intuit QuickBooks Bookkeeping Accounting | Xero ✔️ Bookkeeping Accounting | Twilio API SMS | Payment Gateway Integration Our client focus allows us to work towards realistic achievable goals that make good business sense. We delivery great products on time and on budget. Our goal is for your business to grow and improve having worked with us.

Founded by four IT engineers, company has more than 8 years of experience in designing, developing and maintaining various types of software. OPTIME.AI provides a wide range of services and works with businesses in sectors such as automotive, finance, food & beverage, insurance, beauty, fashion and many more. ⭐️ Software House We've successfully designed and deployed many IT systems - from small ones hosted on a single VPS to complex and cloud native. Our specialization is delivering highly scalable software for business clients. Listed below are the key areas in which we provide software solutions for you: * Dedicated ERP-class systems * Microservices & Containerization * Cloud-native applications * Web development * Product design & management * Custom e-commerce solutions * DevOps We have been developing applications using scrum methodology to organize work. ⭐️ Data Engineering & Analytics Collecting data to analyse and drive decisions based on it has become an integral part of running a business. Analysing data can highlight weaknesses in business, enabling a company to reduce time, resources, or waste. Here are examples of real-world problems that have been successfully solved: * Demand prediction * Inventory optimization * Price discovery * Calculation online store's daily trade using web scraping techniques We are able to implement dedicated data analysis tools. We can provide: * Data visualization and dashboards * Collecting data from wide variety of sources * ETL pipelines * Monitoring Tell us about your problem and our analysts will find a solution, present it in a clear way and fully automate it so you can focus. ⭐️ Consulting Being able to work with many different industries on different types of problems has given us plenty of experience and we'd like to share it with our customers. Below are some examples of our consultants areas of expertise: * Auditing existing systems * Analysis of processes and possibilities of their automation * Technology needs analysis * Startup consulting

I have been developing mobile applications since 2010. I started developing with Android applications, in 2013 I started developing for iOS, during this time more than 100 different applications have been developed in Russia. Since 2012 I have been the founder and head of the M-Softer team. We was engaged in the development of applications for large retail chains, as well as small applications for various customers on freelance. In 2020, we in the team began to switch to flutter development. At the moment, we have vast experience in developing both cross-platform and native applications for iOS, Android and the web. We can fully implement an application of any scale for your business on a turnkey basis. In 2022, I decided to move to Georgia with the team. Now I'm working on our new account here on upwork.

Huaxin Technology Office is located in Shanghai, the most economically developed city in China. It has a complete technical team required to develop desktop software, database systems, mobile applications, and Web applications, including consultants, project managers, product managers, architects, and UI design. Engineers, software engineers, software test engineers, operation and maintenance engineers, etc. Before we settled in upwork, we have provided software development services for world-renowned companies such as Decathlon, Wal-Mart, Diversey and nearly 100 Chinese companies to help them better achieve their goals. Our professional ability and professionalism are well received. Now we have joined upwork and hope to provide IT technical services to enterprises around the world. If you have any needs, please contact us.

Awarded as Top IT service provider in New York for 2022. by Clutch.co 7L International is a digital transformation consulting and custom software development firm that has been enabling more than 100 organizations around the world to evolve and thrive in the constantly shifting market reality. We are able to accommodate various requests, from creating web and mobile applications to microservice-based infrastructures across data centers, globally. 7L International provides fully integrated, end-to-end business solutions that are specifically tailored to each customer. With offices in New York, London and Athens, 7L International leverages deep technology knowledge and unparalleled software engineering expertise to ensure digital transformation maturity across countless industries. Based on a 360 approach, 7L works with clients to cover the full lifecycle of enterprise application design, integration and management, from ideation to delivery and ongoing support. Our highly-skilled experts can develop fast product rollouts, quick customizations and provide smooth delivery, resulting in reduced development costs with speedier market entry.

I have been in the field for a years now, started my own company but looking for clients and building my company up. My company is engaged in the web/online businesses development, this is basically the same I would do working for myself. I am here to get experience and networking, let me know what you need and let's work together and get it done.

BayLanka Technologies is your go-to digital partner for innovative design and reliable cloud, mobile, and web solutions. We offer safe & scalable solutions that are intended to help your business expand, with a skilled team handling our clients' complete Web, Mobile, & Digital Marketing demands. Additionally, we are willing to make sure that our employees receive the greatest benefits and compensation among start-ups similar to ours in the sector for similar job categories. We'll also make sure their working conditions are not just favorable but also conducive to developing their abilities and increasing their output. - E-commerce Development - Mobile App Development - Web Application Development Please contact us before placing an order to discuss the requirements.

MiseTic is a IT based company that is known for its Professionalism, Quality plus Value. We blend innovation, decisive planning with proficiency to handle challenges. Our goal is to skillfully deliver modified solutions to Our company creates ,designs, deploy and support software solutions. Its focus is on the development of training the students , freshers and with time to metamorphose or change them to experts. It aims on comprehensive business skills in the individuals to trigger their knowledge and the result is understanding gained by them.

We, Mumesoft Co., Ltd., are an IT system development company consisting of many experts in software development, mostly operating in the Japanese market. We have had many applications published on Japan Apple Store. Mumesoft provides low-cost, high-quality solutions for your business with 10+ years of expertise. OUR SPECIALIZATION: Website Design: - PHP (WordPress, CakePHP, Laravel), Codeigniter, Drupal - Ruby/Ruby on Rails - Python(Django, FastAPI) - Node.js (Adonis, Express..), AngularJS, React.js, Vue.js - Auto BOT (Adidas, UNIX Cryptocurrency） MOBILE DEVELOPMENT: - ReactNative - Flutter - Android, iOS Application OTHERS: - Electron.js, Firebase, Tensorflow ( AI), Open CV, Payment gateway (Stripe, PayPal, GMO…) - SMS, Scraping - Bitcoin/Litecoin, Cryptocurrency exchange - AWS, eBay, Google Adwords - SEO As you can see, we handle everything from eCommerce, CMS, mobile applications to more tailored applications namely distribution systems, live stream platforms, recruitment systems, food delivery, dating apps etc. Please do not hesitate and reach out to us, we will solve your problem to your satisfaction.

Java developer with expirience in creation of domain specific languages, parsers compilers, Eclipse based IDEs Experience in development and optimization algorithm. Solid math background. Experience in article writing. The experience in optimization of calculations. Development client - a server of exhibits for keeping, statistical processing and visualizations result observations. The Experience of the development of the flash games and applications. The Experience of the development of the plays and exhibits for mobile telephone. The Design and development of the structure of databases. The Development of the user interface. TECHNICAL SKILLS SUMMARY Theory of formal languages, Syntax analyses, parsers, compilers, Domain Specific Language development Xtext, XTend language, ANTLR framework Java SE, SWT/JFace, Eclipse RCP, Xtext, Xtend, Java reflection, Swing, Sockets, Networking Java2EE, JDBC, Hibernate 3.0, Spring 3.0 (IoS, Aspects, MVC),Servlets/JSP GWT, GXT, LibGDX SAX, DOM, XSLT Research, problem solving skills. Good mathematic skills, higth speed of learning Game Development, game logic and artificial intelligence creation Flex 4.6 ActionScript 3.0, Adobe Air, Flash Media Server 4.0, Wowza media server PureMVC, Mate Good mathematical&algorithms skills, engines developing Flash browser games Ability to write articles& research skills GOF pattern Jasper Reports Eclipse, Intellij Idea, FlexDevelop, Flash Builder MySQL Postgress Maven GIT,SVN

I represent a cloud computing and web development agency. The core team has 10+ years of experience in Data Science, Digital Transformation, Automation, and Custom Web/App Software Development. We make sure that your IT infrastructure is auto-scalable, efficient, and secure while reducing your cloud expenses up to 40%. Our DevOps engineers are AWS, Azure, and Kubernetes certified. OpsWorks Co. is proud to be AWS and Azure Consulting Partner. You can get a full range of services related to DevOps integration, Cloud Consulting and System Administration, optimized software development lifecycle, continuous delivery, automated deployment, and SRE. Our expertise and technology stack: - Cloud platforms, cloud migration: AWS, Azure, GCP - Scripting/Programming: Ruby, Python, Bash, PowerShell, Go, PHP, Java, Javascript, C#/C/C++,Typescript - CI/CD implementation: Jenkins, GitLab, CircleCI, CodeDeploy, Bitbucket Pipelines - Containerization and Orchestration: Docker, Docker Swarm, ECS, EKS/AKS, Kubernetes - Configuration Management: Chef, Ansible, Puppet, Terraform, Cloudformation - Databases: MongoDB, PostgreSQL, MySQL, Redis, MariaDB, MSSQL - Microservices infrastructure design, development, and implementation: Docker, Kubernetes, Kafka, Tracing - IaC implementation: Terraform, CloudFormation - Infrastructure automation: Terraform, Puppet, Ansible, Chef

We are the ShansIT, a group of computer passionate people. Always try to learn new things to polish our skills. So that we can be our best. Technologies that we are comfortable with: *********************************************************************************************************************************** HTML5 CSS 3 Java Script with jquery and react js Python3 for web(django) or for scripting Java (spring mvc,spring core, spring boot, hibernate) Scala (play framework) Nodejs(express) --> prior exp C/C++ Scala --> prior exp NASM ( Net wide assembler ) Bash (shell scripting - Linux) Linux and Windows Have experience of work with a different kind of API, ********************************************************************************************************************************** // FAQ : ********** [+] How can you serve the company? => As we are passionate about computer so we can sit in front of computer chair as compared to other nonpassionate guys. So we can manage motivation and patience for doing such kind of work that the company provides without getting burned out. Also, we are so passionate about learning new stuff of technology. So It would be easier for the company to upgrade me if they intended to do so. [+] What would be your strategy if the company gave you any new type of project that you haven't done yet? => Every time we encounter a new project or problem firstly we try to gather much information as possible and then search on google (stack overflow, quora, etc.) for the answer that we don't know. If the problem is not that straightforward then we dedicate our whole day to it to find out the required skills.