I am a Senior Software Engineer with over 9 years of industry experience. As a Fullstack Developer with a strong focus on backend development, I bring broad expertise across backend, frontend, DevOps, and system design. I am proficient in Java and experienced with Spring Boot, Spring Cloud, Spring AI, Hibernate, JUnit, Mockito, K6, Thymeleaf, React, Vue, Angular, Tailwind, Bootstrap, Docker, Kubernetes, Helm, GCP, AWS, Azure, and VPS. I have worked extensively with various servers and databases, including Postgres, MySQL, Oracle DB, SQL Server, MongoDB, Redis, Elasticsearch, Sqlite, BigQuery, Tomcat, Jetty, Undertow, Netty, Nginx, Apache, Node, ActiveMQ, RabbitMQ, Kafka, PubSub, Apollo, Keycloak, LDAP, Eureka, Consul, Vault, Sleuth, Minio, Alfresco, and Jenkins. My toolset also includes GitHub, GitLab, BitBucket, Jira, Redmine, Trello, Notion, Figma, SSH, TMux, Git, NVim, VSCode, Cursor, Windsurf, IntelliJ, DBeaver, Insomnia, and Chrome. The most common projects I work on include API services, web applications, and enterprise applications, leveraging architectures such as monolith, modulith, and microservices. I am experienced with multiple communication protocols, including REST, GraphQL, SOAP, gRPC, JSON-RPC, XML-RPC, WebSocket, Webhooks, Polling, and OpenAPI. I am open to discussions and project collaborations. Feel free to connect and hire me. Thanks & Warm Regards,

With over two decades of experience in the IT industry, I bring a wealth of expertise in navigating the complex landscape of technology and business solutions. My career has been dedicated to delivering top-tier results across various domains, consistently aligning IT strategies with organizational goals to drive growth and efficiency. Key Expertise: - Strategic IT Consulting: I excel at crafting and executing IT strategies that align with business objectives, ensuring maximum impact and ROI. - Advanced Project Management: My project management skills are honed to deliver projects on time and within budget, with a relentless focus on quality and stakeholder satisfaction. - Technology Implementation: I specialize in advising on and implementing cutting-edge technologies that empower businesses to stay ahead in a competitive market. - Leadership and Mentorship: I am passionate about leading teams and mentoring emerging professionals, fostering a culture of continuous improvement and innovation. My track record of success is built on a deep understanding of both the technical and business aspects of IT, enabling me to deliver comprehensive solutions that drive measurable results.

❇️ Top 1% Upwork Talent | 🏆 Top Rated Plus | ✔️ 100% Job Success | ☀️ Available Immediately With 16+ years of experience, I operate at the intersection of AI-driven architecture, enterprise software engineering, and large-scale system design—helping organizations build, modernize, and scale mission-critical platforms. I specialize in designing and delivering high-performance CRM & ERP ecosystems, with deep expertise in Zoho CRM, Odoo, OFBiz, and Moqui, tailored for complex business environments. 🔷 Core Expertise ✔️ Enterprise Architecture & AI Integration Designing intelligent, scalable systems powered by modern AI-driven workflows and automation. ✔️ CRM & ERP Systems Leadership End-to-end implementation, customization, and optimization of enterprise platforms: Zoho CRM Odoo OFBiz / Moqui ✔️ Java & Microservices Excellence Java, Spring Framework, Microservices Architecture Struts2, JavaFX RESTful APIs & distributed systems ✔️ Full-Stack Engineering Frontend: HTML5, CSS3, JavaScript (ES6), ReactJS Mobile: React Native (cross-platform apps) ✔️ Database & Performance Engineering Oracle, PostgreSQL, MySQL, SQL Server Advanced Oracle PL/SQL for enterprise-grade systems 🔷 Delivery & Leadership Approach I bring a consultative, architect-level mindset to every engagement: 📌 Deep discovery & solution blueprinting upfront ⚡ Agile execution with fast iteration cycles 📊 Scalable, future-proof system design 💬 Clear, proactive communication throughout I am highly proficient with modern development workflows and tools including Git, JIRA, Redmine, Bugzilla, Basecamp, and Trello, ensuring seamless collaboration across distributed teams. 🔷 Availability 🕒 30–35 hours/week 🌍 Flexible across time zones 🤝 Strong communication & stakeholder alignment If you’re looking for a trusted technology partner who can architect and deliver robust, intelligent, and scalable enterprise systems, I bring both the strategic vision and hands-on expertise to make it happen. — Harkomal Singh

I find part-time work for practice. Started learning programming 2 years ago. Self-taught, therefore self-motivated, reliable, and always looking to expend the area of expertise. Constantly improving English speaking skills in order to further facilitate the intrinsic cooperative and agreeable nature.

I'm a 7 years experience programmer majoring in developing medium and large enterprise software am now moving to provide developing services. I am here to help with whatever your request is: from school assignments to building websites or work in a development team. I offer a range of qualities - Stable communication - Commitment to the work - In-time deliveries

WITH US, YOU DON'T LOOSE TIME IN TRANSFERRING YOUR DOMAIN KNOWLEDGE OVER MULTIPLE MEETINGS! Thanks to studying from A grade Indian Universities ( B School and Engineering College ), my network is strong in Tech industry and I am able to access domain experts who are happy to share some of the best practices being adopted in their respective industries - from healthcare, BFSI, Supply chain, Sales and Marketing, Defence and many many more. Collaborating closely with my skilled partners and adept software engineers, we translate business strategies into tailored software solutions in QUICK TIME! Our clients rely on us to provide multiple solutions spanning multiple business functions like their CRM, ERP, CMS, E-Com and Accounting systems where complex tech challenges are bogging them down. We often get a feedback where our clients our surprised by the amount of quality software we push through all stages of the software development lifecycle with such small teams! This crazy amount of exposure over the years has given us advanced skills in running critical applications on premises, or on the cloud (Azure, AWS) or via popular platforms like Hubspot, Zoho, Ofbiz, Moqui, Odoo, Intuit, Quickbooks. We have years of experience in API development, integration and have used solutions like Zapier, WSO2, Mulesoft and custom development to achieve results for our clients. Our engineers prefer working in java, C# and recently have taken a liking to node and python for backend work. Our skills, when it comes to front end technologies are at par with the best in the world using React, Angular and Vue Js. Our track record speaks for itself, with key accounts consistently featured in Gartner's Magic Quadrant. From complex migration, synching of data across applications to integrating with major CRM systems, our expertise spans diverse functions and platforms, including AWS, Azure, and Salesforce. With top ratings on Upwork, we pride ourselves on our agility in learning and delivering results swiftly. Focused on the US market, we uphold high standards while offering competitive pricing through our offshore ISO 9001:2015 and ISMS - 27001:2013 certified development centers in India. Let's pioneer together—start with a complimentary POC and witness our commitment to excellence firsthand. Get in touch today and let's innovate together!

I specialize in designing and building high-performance backend systems that power complex, data-driven platforms. Over the years, I’ve worked extensively with Java, Spring Boot, Microservices, REST APIs, and cloud-native architectures to help businesses scale smoothly and operate with precision. Here’s what I bring to your project: - Robust Architecture: Engineered enterprise-grade platforms using Spring Boot, Kafka, Redis, and Elasticsearch, ensuring high throughput and reliability. - Cloud & DevOps Expertise: Strong experience with AWS, Docker, Kubernetes, and CI/CD pipelines for seamless deployments. - Database Optimization: Hands-on with MySQL, MongoDB, and Oracle, tuning queries and schemas for speed and stability. - Scalability & Security: Built asynchronous services, authentication layers (JWT/HMAC), and event-driven systems processing millions of records daily. - Frontend Collaboration: Occasionally contributed UI fixes and integrations in React/Angular to support cross-functional releases and ensure end-to-end stability. - Team Collaboration: Worked in Agile/Scrum environments, mentored developers, and drove system design improvements. I focus on delivering clean, maintainable, and production ready code built to scale, not just to run.

ᴛᴏᴘ ʀᴀᴛᴇᴅ ᴘʟᴜꜱ ᴜᴘᴡᴏʀᴋ ᴄᴏɴᴛʀᴀᴄᴛᴏʀ. ✅ AVAILABLE FOR NEW PROJECTS I'm a full-stack developer and long-term technical partner. I specialize in Java (Spring Boot) backends and modern React.js/Next.js/Tailwind frontends. I focus on clean architecture, performance, and systems that don’t break as you scale. Using tools like Kafka, Redis, and message-based architectures, I help decouple services, improve performance, and eliminate bottlenecks caused by tightly coupled APIs. This approach is especially useful for real-time features, background processing, and systems where consistency and responsiveness both matter. I’ve worked on everything from microservices and real-time apps to AI-integrated platforms and custom tools. I don’t just ship features, I help you make the right technical decisions so your product stays maintainable long-term. What I bring to your project: - Full-Stack Development, including frontend and backend - Using Java, Spring Boot - both microservices and monolith architecture - React.js/Next.js, Tailwind CSS for the frontend (including any other packages or component libraries such as shadcn or MUI) - MongoDB, MySQL, PostgreSQL, Redis - used for database and caching layer - API Design & Integration - Linux, Docker, CI/CD Pipelines - Discord Bots (JDA) - building discord bots using java discord API Go-to stack: Java (Spring Boot), React.js/Next.js, Tailwind CSS, PostgreSQL/MongoDB, Redis, Docker, Nginx I take ownership, communicate clearly, and move fast without sacrificing quality. If you’re looking for someone reliable who can build, improve, and scale your product, I’m here to help.

Hi, my name is Chirag Patel and I'm working as a full-stack developer. I have more than 10 years of experience in developing enterprise portals. I'm having experience in both the frontend and backend. ​I have experience in software design, software development, and software testing using Java technology. I have worked on projects in various sectors like Insurance, Health, Logistics, E-commerce, Utility, etc. Below are the backend and front end skills I have but it is not limited to this only : Backend : - Worked on the frameworks - Spring, Hibernate, Spring Boot, JSF, Primefaces. - Rest and Soap API development - Experienced in microservices development - Extensive experience in Liferay Portal Development with versions 7.x DXP, 6.x. - Expertise in object-oriented analysis, design principles, and various J2EE design concepts. - Strong experience in Apache tomcat webserver - Hands-on ant, maven, gulp, and Gradle build tools. - Experienced in application deployment and performance tuning. - Worked on writing unit tests, integration tests, selenium tests etc. - Experience with containerization technologies like Docker and orchestration tools like Kubernetes. - Familiar with Unix and scripting languages - Experience to use the OAuth mechanism for User Authorization - Expertise in third party plugin/app integrations - Experience with AWS cloud technology i.e. EC2, RDS, ElastiCache, etc.. - Familiarity with DevOps practices and tools for CI/CD. - Familiar with the deployment cycle, and manage multiple environments builds. - Hand on experience to communicate with business stakeholders to understand long & short-term business needs. Frontend : - Expertise in Html, CSS, JS, jQuery, Bootstrap, velocity, Freemarker. - Experience creating good architecture in ReactJS - React Js - React hook - Redux - Functional components - Material UI Database - Postgres, Mysql, Oracle, MariaDB, No Sql - MongoDB Project Management and Code version - Hands-on SVN, GITHUB, BITBUCKET, Jira, Confluence, etc.. - Experience in a Self-organized, Agile, Test Driven Environment Let's connect to discuss this in detail. Thank you

I’m a hardworking and detail oriented full-stack web and mobile architect who’s helped companies both small and large maintain their online presence for over a decade. I understand that every customer is different and I can easily adapt to any environment to tailor solutions that fit your needs, whether it’s a small bootstrap startup or a large enterprise. I will work with you one-on-one to create a strategy focused on product delivery, growth, and technical excellence. My specialties include cloud services (e.g. AWS, Azure, Google Cloud), real-time systems, business intelligence, big data, enterprise web apps, scalability, education, and open source software. My full stack experience includes Node, and Express/Nest/Hapi/Loopback, and MongoDB as well as more traditional technologies like PHP, ASP.NET, and Python. Additionally, I have extensive knowledge of front-end JavaScript and browser APIs as well as significant experience with popular frameworks and libraries like React, Vue and Redux. I’m a self starter and I love working on new and challenging projects that push me to my limits and allow me to learn and grow.