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📌 Need a reliable Java developer who can take your system from idea to deployment—fast, clean, and scalable? I’ve been doing exactly that for 16+ years as a Java Spring Boot Developer. As a senior Java Spring Boot Developer, I help businesses build high-performance, cloud-native applications using Java Spring Boot, microservices architecture, and modern engineering practices. Whether you need a Spring Boot developer, a backend architect, or a hands-on Java developer, I bring both technical depth and product thinking. I specialize as a Java Spring Boot Developer in building modular, scalable, and cloud-ready systems. As a Spring Boot developer, I design clean architectures for Java microservices, real-time systems with Kafka or RabbitMQ, and high-load applications. As a Java developer, I ensure systems are maintainable, testable, and optimized for long-term growth. Working as a Java Spring Boot Developer, I frequently collaborate with frontend teams using Spring Boot React and Spring Boot Angular stacks. As a Spring Boot developer, I align backend logic with frontend needs, ensuring smooth integration across JavaScript, HTML CSS JavaScript, and UI layers. My experience as a Java developer also includes working with JavaFX interfaces when needed. Cloud is a key part of my work as a Java Spring Boot Developer. I’ve deployed scalable systems on AWS and GCP, acting as both AWS and GCP architect. As a Java developer, I work with AWS DevOps tools like Lambda, API Gateway, Cognito, S3, and EC2. As a Spring Boot developer, I integrate backend services with GCP tools such as Firestore, Pub/Sub, and Cloud Functions, ensuring performance and reliability. Databases are another strong area. As a Java developer, I’ve worked with PostgreSQL, MySQL, SQL Server, Oracle, MongoDB, and Cassandra. As a Spring Boot developer, I design efficient schemas, optimize queries, and handle large-scale data systems. Every Java Spring Boot Developer project I take on includes a strong focus on database performance and scalability. Clean code and testing are essential in my workflow as a Java Spring Boot Developer. I rely on JUnit testing, TDD, and CI/CD pipelines. As a Java developer, I use Maven, Docker, GitHub Actions, and Jenkins to ensure stable delivery. As a Spring Boot developer, I focus on building systems that are reliable, testable, and easy to extend. 📊 Snapshot of My Expertise 💻 Delivered 20+ systems as a Java Spring Boot Developer, including fintech platforms and SaaS applications ☁️ Worked as a Java Spring Boot Developer and cloud architect using AWS and GCP infrastructure 📊 Optimized large-scale databases as a Java developer, improving performance by up to 60% 🔁 Built intelligent systems integrating Spring AI as a Spring Boot developer 🔐 Secured APIs using OAuth2 and Hibernate as a Java Spring Boot Developer 🧪 Maintained high test coverage using JUnit and CI pipelines as a Java developer 🧰 Collaborated across teams delivering full features as a Spring Boot developer If you’re looking for a Java Spring Boot Developer, a reliable Java developer, or an experienced Spring Boot developer who can handle complex systems and deliver scalable solutions I’m ready to help. 📩 Send me a message I usually reply within a few hours.

Nearly 7 years of experience in MuleSoft Software Development & Implementation, covering in-depth understanding and exposure to requirement gathering, analysis, design, implementation, and deployment of various integration projects. Strong experience in MuleSoft ESB implementing Service-Oriented Architecture (SOA) and Enterprise Application Integration (EAI) using Mule 4.x. Hands-on experience designing and implementing RESTful APIs using RAML, including API specification, request/response modeling, and API documentation in Anypoint Platform. Hands-on experience using Mule connectors such as SAP, Salesforce, HTTP, Database, SMTP, SFTP, FTP, File, Anypoint MQ, Google Drive, and Web Service Consumer for system integrations. Experience integrating enterprise systems such as Workday, Ariba, Concur, and other third-party applications using MuleSoft. Experience working with Google Drive Connector for file management, automated document processing, and integration workflows. Strong experience in implementing Batch Processing in Mule 4.x for handling large datasets, including batch job design, record-level processing, and error handling strategies. Experience working with MCP (Model Context Protocol) connectors to fetch contextual data from enterprise systems and expose it to AI-powered applications. Hands-on experience integrating Large Language Models (LLMs) such as ChatGPT and Gemini for intelligent data retrieval and AI-assisted automation workflows. Strong experience in deploying Mule applications to CloudHub and managing environments through Anypoint Platform. Strong troubleshooting skills using Mule debugger, flow analyzer, and log monitoring to diagnose and resolve integration issues. Extensive experience in developing complex DataWeave transformations in Mule 4.x for data mapping, enrichment, and format conversions. Hands-on experience in MUnit testing framework for Mule applications, including writing unit tests, mocking external services, validating payloads, and ensuring integration flow reliability. Experience working with API-led connectivity architecture and integration best practices across enterprise systems. Need quick help with mulesoft or API issues ? Book a consultation

I am a senior developer with 21 Yrs. of experience ( 12+ Yrs with JPMorgan and rest with Deloitte, HCL and other) in Java/J2ee, Python, Rest API, SOAP API, javascript, OAuth, SSO, Kafka, SpringBoot, HTML, CSS, PHP, Web Design, Web Development, React, Redux, Angular, e-commerce, Wordpress, Shopify, JPA, Cloud, AWS, Azure, GCP, Private cloud, JBPM, n8n, Oracle BPM, JMS, Hibernate, Struts, Spring Batch, ESB, Base44, Playwright, Selenium, JavaFX, Lisp, Prolog, Weka , OpenAI, Different Web as well as Application Servers, different Operating Systems and DBMS Tools, SQL, NoSQL, PostgreSQL, Mongo, Cassandra, MYSQL, Oracle, Supabase, AI, NLP, OpenAI, agent development, Wordpress, php , CI/CD, Agile and various open-source tools, technologies and frameworks. Some of the domains I have worked on are Banking, finance, Trade, Crypto, HR, Insurance, Learning, NLP, Healthcare, System architecture, Developers Tooling, Document management, AI, DevOps, Cloud, GCP, Hubspot, Quickbook, PandaDoc, Stripe, web3, Blockchain, etc. ********************************************************************* Experience Summary: Freelancing || Freelancing || Present Toyow || Solution Architect || Sep 24 to JAN 25 JPMorgan || Vice President || (Around 12 Yrs. Total) Deloitte || Senior Consultant/Specialist Senior || Jun 13 to Jun 15 HCL || Onsite/Offshore Dev lead || Sep 06 to May 10 Birla Soft Ltd || Software Engineer || Jan 06 to Sept 06 GIIT || Developer || Feb 05 to Oct 05 ************************************************************************* Some of the applications are as below: - Document generation system - Online translation system using NLP - Library management system - HRMS System - Networking system - Tools for Developer and Operate to build and deploy their applications. - Workflow as a service - Workflow Platform for Mutual Fund NAV processing (Fund accounting) - Prediction analysis for SLA miss. - A real time dashboard for fund processing - Messaging Platform supporting MQ, SFTP, REST, Kafka, FIX, - Trade instruction manager - Customer support system for Bank operators - Platform for Tokenization Assets using Blockchain - A social Media application - A insurance management Platform - Applications developed on Base44 - Loan record reports - OCR for healthcare reports and data processing. - ChatBot for Patient enquiry. - Coin analysis using AI (openAPI integration). - A Platform for affiliate marketing. - CI/CD for Gitlab and AWS.

Hands-on Senior Java Full-Stack Engineer with 10+ years of experience building, enhancing, and supporting production applications using Java, Spring Boot, REST APIs, PostgreSQL, React/TypeScript, AWS, and Kafka. I help product teams work effectively with existing codebases—developing new features, APIs and microservices, improving database performance, integrating third-party services, fixing production issues, and delivering clean, tested, maintainable code. CORE CAPABILITIES • Java / Spring Boot backend development • REST APIs, microservices, JPA/Hibernate, PostgreSQL and Oracle • React / TypeScript full-stack development • AWS cloud integrations, Docker and CI/CD • Kafka and asynchronous event processing • Spring Security, JWT, RBAC and API security • JUnit, Mockito, Testcontainers and integration testing • SQL/query optimization, performance tuning and production debugging • AI/LLM integration using Spring AI, OpenAI, RAG and pgvector Recent work includes enterprise VAT/compliance microservices, US healthcare and pharmacy-benefit applications, B2B service platforms, and a production Java/Spring AI assistant. I also use AI-assisted engineering tools such as Claude Code, ChatGPT and Codex to accelerate coding, debugging, test creation, refactoring and documentation. AI-generated changes are manually reviewed, tested and validated before they become part of the production codebase. I’m comfortable joining an existing application, understanding the code and architecture quickly, and contributing hands-on without proposing unnecessary rewrites. I can support new feature development, backend modernization, API integrations, bug fixing, performance optimization, testing, deployment and ongoing production support. Available for ongoing development and long-term remote contract engagements.

Hi, I’m a Senior Full Stack Developer with 8+ years of experience building scalable, secure, and high-performance web applications. I specialize in Java, Spring Boot, React, Angular, AWS, and modern cloud-native architectures, helping businesses transform ideas into reliable, production-ready software. Over the years, I’ve delivered enterprise applications across healthcare, finance, and business automation domains. My expertise spans backend development, modern frontend frameworks, cloud deployment, API integrations, and system architecture. Core Skills • Java, Spring Boot, Hibernate, JPA • React, Angular, TypeScript, JavaScript • REST APIs, Microservices, GraphQL • AWS (Cognito, EC2, S3), Docker, Kubernetes • MySQL, PostgreSQL • Spring Security, OAuth2, JWT Authentication • AI/LLM Integrations & Workflow Automation (n8n) • Xero, Sage & Third-Party API Integrations I have extensive experience designing scalable REST APIs, modernizing legacy applications, integrating cloud services, and building secure authentication systems. I’ve also led engineering teams, mentored developers, conducted code reviews, and driven technical decisions for enterprise-scale projects. I focus on writing clean, maintainable code, communicating clearly, and delivering high-quality solutions on time. Whether you need a complete full-stack application, backend APIs, frontend development, cloud integration, or ongoing technical leadership, I’m ready to help.

I'm Naveen Saini, an experienced Senior DevOps Engineer and Moodle LMS Administrator with over 25+ Five⭐ reviews and overwhelmingly positive feedback. I specialize in AWS infrastructure, CI/CD pipelines, containerization, and system administration. My proven track record includes optimizing cloud costs, facilitating seamless deployments, and maintaining high-performance web applications. Additionally, I have specialized experience in Moodle LMS administration and e-learning platforms. ⭐ What I bring to your project ⭐ ✅ Extensive experience with AWS services and cloud platforms ✅ 24/7 reliable communication to keep you continuously informed about project status. Over the past 8 years I've worked extensively with the following technologies, Here is the summary of my previous works:: #Myskills(programming languages): NodeJs Operating Systems: Linux, Window Cloud Platforms: AWS ( ✅EC2, ✅VPC, ✅ELB, ✅RDS ✅AWS Serverless Stack,✅Lambda Functions, ✅API Gateway, ✅DynamoDb, ✅S3, ✅SNS (For sending the notification) ), ✅Elastic Beanstalk, Route53, ✅CloudFront, ✅CloudFormation, ✅AWS CodeCommit, AWS CodeBuild, AWS CodeDeploy & AWS CodePipeline, ✅AWS SAM, ✅Cognito authentication) CI/CD Tools: Jenkins, GitHub Actions, Bitbucket Pipelines Monitoring & Analytics: Prometheus, Grafana, Nagios, CloudWatch Containerization: Docker, AWS ECS, AWS EKS Web Servers: Apache, Nginx Databases: MySQL, PostgreSQL, MongoDB, DynamoDB Backend Development: Node.js, PHP (Laravel), Python (Django) LMS Administration: Moodle Version Control: Git, Bitbucket Other Tools: Jira, Slack, Trello Work Timing: I provide top-notch services to clients in any time zone. I can easily work in any time zone (Mon-Fri) and prefer to work in the US, UK & Australian time zones.