I'm a web developer with many years of experience in different areas like: Mobile * iOS 17 * Swift * Combine * RxSwift * Objective-C Frontend skills: * Jquery * React * Angular * Vue Backend skills: * Php Knowledge of php frameworks/CMS * Laravel. * Wordpress DataBases: Relational: mysql, sql server, postgreSQL, QSLite. I'm a hard working and reliable person, seeking for an interesting and challenging role in web development and provide output with quality from the client.

Enthusiastic, talented Senior Software Engineer with excellent programming skills, strong problem-solving abilities, quality-driven and customer-focused. Passionate not only about technology but also about applying it to improve people’s lives in new and innovative ways. Experienced in handling the entire software development life cycle, and used to working with a wide variety of technologies. A constant learner who motivates their peers. Self-motivated, positive, proactive and pragmatic, communicative and collaborative, and ready to take responsibility and ownership. EXPERTISE • Strong experience with Python, Go, Java, C, C++ and Lua; • Good Knowledge of Ruby and Js; • Solid experience with object-oriented design, and design patterns; • Experienced with UNIX operating system, including Linux for development and basic administration; • Familiarity with databases such as PostgreSQL, Oracle, MySQL and PL/SQL; • Experienced with OpenGL, 3D graphics, and ima​ging; • Great Computer Vision and OpenCV experience; • Good experience working with GUI development such as QT, Swing, and IUP; • Familiar with Web development: J2EE, Spring MVC, Tomcat, JSP, Servlets, JSF, HTML, CSS; • Good Knowledge with Multi-threaded and Client- Server programming; • Strong experience in design, unit testing, reviews, system testing, and requirements; • Experienced with all phases of product development lifecycle; • Experienced with source control systems like CVS, Subversion, JIRA, Buildbot and Hudson; • Familiar with agile methodologies as well as software planning and estimation techniques; • Strong commitment to life-long learning, enjoying teaching and mentoring; • Team oriented, encouraging the use of conventional procedures, practices, and tools; • Excellent written and verbal communication skills (English and Portuguese).

𝐙𝐎𝐇𝐎 𝐀𝐔𝐓𝐇𝐎𝐑𝐈𝐙𝐄𝐃 𝐏𝐀𝐑𝐓𝐍𝐄𝐑 | 𝐂𝐑𝐌 𝐀𝐑𝐂𝐇𝐈𝐓𝐄𝐂𝐓 | 𝐀𝐈 𝐀𝐔𝐓𝐎𝐌𝐀𝐓𝐈𝐎𝐍𝐒 & 𝐒𝐌𝐀𝐑𝐓 𝐈𝐍𝐓𝐄𝐆𝐑𝐀𝐓𝐈𝐎𝐍𝐒 ⏰ Terrific Upwork History with 34000+ Hours & Counting 🏅 Top-Rated Plus Badge 💯 98% Job Success 👌 High Client Recommendations 👋 Hi, I'm Parveen, a Certified Zoho Expert with over 10 years of experience and a proven track record of delivering 500+ successful projects across diverse industries. I specialize in building custom Zoho solutions, automating workflows, and integrating third-party platforms to simplify and supercharge your business operations. From CRM customization to API development and Zoho Creator apps, I bring deep technical expertise to every project. 💡 𝐘𝐨𝐮𝐫 𝐕𝐢𝐬𝐢𝐨𝐧, 𝐌𝐲 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 Let’s work together to build smart, scalable, and fully automated systems that align perfectly with your business goals. Whether you're just getting started with Zoho or need to optimize a complex setup, I’m here to help make it seamless and stress-free. 🔥 𝐖𝐡𝐚𝐭 𝐈 𝐁𝐫𝐢𝐧𝐠 𝐭𝐨 𝐭𝐡𝐞 𝐓𝐚𝐛𝐥𝐞 ✅ Tailored Zoho Widgets & Extensions – Custom screens and interfaces designed to your exact needs ✅ End-to-End Zoho Solutions – CRM, Finance Suite, E-commerce, and more ✅ Effortless Integrations – n8n, Twilio, Salesforce, HubSpot, Airtable, RingCentral, Zapier, Make, Zia LLM, ChatGPT & beyond ✅ Smart Workflow Automation – Streamlined, data-driven business processes ✅ Custom API Development – Secure, scalable, and fully tailored to your business ✅ E-commerce & Finance Expertise – Shopify, Amazon, Zoho Books & Inventory setups 💼 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 🌟 Zoho Suite Mastery Expert-level experience with the entire Zoho ecosystem, including: Zoho CRM, Creator, Campaigns, Desk, Projects, Invoice, Books, People, Subscriptions, Recruit, Reports (Analytics), Inventory, Docs, Meeting, Sites, Commerce, and Zoho Flow – to automate and optimize your business operations. 🌟 Full-Stack Development Skilled in both front-end and back-end technologies: Front-end – HTML, CSS, JavaScript, React, Angular Back-end – Node.js, Python, Django, Ruby on Rails, PHP, Java 🌟 Database Management Proficient in handling both relational and NoSQL databases: MySQL, PostgreSQL, MongoDB, Cassandra 🌟 Cloud Platform Proficiency Hands-on experience with cloud services to build scalable, secure apps: AWS, Microsoft Azure, Google Cloud 🌟 WordPress & CMS Expertise Custom theme development, plugin integration, and performance optimization using WordPress. 🌟 Programming Languages & Frameworks ✅ Languages – Python, PHP, Java, JavaScript ✅ Frameworks – Hibernate, Spring, JSF, Django, Flask, Laravel, CakePHP 🔍 𝗟𝗲𝘁’𝘀 𝗖𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗲 I am passionate about helping businesses leverage technology to improve operational efficiency, automate processes, increase revenue, and create scalable systems. Whether you need CRM implementation, workflow automation, custom development, system integrations, data migration, or strategic consulting, I'm here to help you succeed. I provide reliable post-implementation support, ongoing optimization, and quick turnaround for bug fixes and enhancements to ensure your systems continue running smoothly. ⏰Open to work in EST, CST, PST, and global time zones. 📩 Reach out today to start a conversation about how I can contribute to your project’s success! Parveen Kumar Zoho Certified Consultant

I'm a full stack software developer with experience in Java and Android projects. I focus on service and delivering the best experience to my clients, while providing quality software on a timely fashion. I have experience with various technologies to help fulfill any kind of job. I'm also open to having a chat with my customers, if they so desire, so we can arrange any details about the job. I also have experience with Cyclos Banking System Software, providing consultant services to small-medium banks. I've done several integrations with 3rd parties software with it, also developed plenty of aditional feature for it too, like bank statements and import of payments. I have experience on the following languages and technologies: -Java: Everything enterprise, Servlets, JSF, Primefaces and JPA. -JavaScript: pure Script, NodeJS and AngularJS. -PostgreSQL, SQLServer, SQLLite I also have experience providing products and solutions for financial institutions. My biggest desire is to serve my customers as if I was the person requesting the product. I always strive to deliver the best software since I wouldn't settle for less.

I design and deploy production-grade large scale applications. With proven experience at global companies like 𝗧𝘂𝗿𝗸𝗶𝘀𝗵 𝗔𝗶𝗿𝗹𝗶𝗻𝗲𝘀 and 𝗨𝗻𝗶𝘃𝗲𝗿𝘀𝗶𝘁𝘆 𝗖𝗼𝗹𝗹𝗲𝗴𝗲 𝗟𝗼𝗻𝗱𝗼𝗻, I build robust, scalable, and well-tested web and mobile solutions tailored to your business goals. 🏆 𝗡𝗼𝘁𝗮𝗯𝗹𝗲 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀 (𝗦𝗲𝗲 𝗹𝗶𝘃𝗲 𝗱𝗲𝗺𝗼𝗻𝘀𝘁𝗿𝗮𝘁𝗶𝗼𝗻 𝗶𝗻 𝗽𝗼𝗿𝘁𝗳𝗼𝗹𝗶𝗼) 1 - Drive Weather App (100K+ users) - 2026 Built custom routing APIs using OpenStreetMap and GraphHopper routing engine with vehicle-specific profiles and high-accuracy ETA predictions across North America. 2 - ScooterNav (Netherlands) - 2025 Designed Nedherland's first custom scooter routing solution with ferry handling and regional road optimization. 3 - Turkish Airlines Developer Portal (2024) Delivered enterprise-grade REST APIs suite integrated into one of the world's largest airline platforms. 4 - European Research Council Project (€2.5M Funded, 2021) Contributed as Java Developer & Researcher in an international academic consortium. 5 - “Android Mobile Programming in Java” (2017) Used as a recommended textbook in several Turkish universities. 𝗠𝘆 𝗰𝗼𝗺𝗽𝗹𝗲𝘁𝗲 𝗯𝗮𝗰𝗸𝗲𝗻𝗱 𝗮𝗻𝗱 𝗳𝘂𝗹𝗹-𝘀𝘁𝗮𝗰𝗸 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀: - end-to-end system development from concept to production. - AI integration - backend automation platforms - designing scalable APIs - deploying cloud and VPS servers 𝗜 𝗮𝗹𝘀𝗼 𝗵𝗲𝗹𝗽 𝗰𝗼𝗺𝗽𝗮𝗻𝗶𝗲𝘀 𝘁𝗼: - build routing and navigation solutions using GraphHopper and OpenStreetMap. - optimize paths for various vehicle types (cars, trucks, motorbikes, bikes, scooters and so on) and pedestrians - develop high-accuracy ETA systems - deploy scalable geospatial infrastructure - configure geocoding systems (text address to geographical coordinates and vice versa) using Nominatim, Photon, Pelias If you have a question, you can book me for a consultation. We can review the key points efficiently and define the best next steps. 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝘁𝗮𝗰𝗸𝘀: - Frontend Integration & UI Development (Angular, JSF, PrimeFaces, HTML/CSS) - Backend Development (Java & Spring Boot) - Secure Authentication (JWT, Spring Security) - Database (OracleSQL, MSSQL, PostgreSQL, MyBatis, Redis Caching, CouchBase) - Unit & Integration Testing (JUnit, Mockito) - CI/CD Pipelines & Docker - Documentation & Technical Writing (Markdown, Swagger/OpenAPI, ApiCurio) - Domain Expertise: GraphHopper. OpenStreetMap, Nominatim, Pelias 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗲𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 I always aim to improve my skills at all time and get certified by respected organizations.

I am a Senior Software Engineer with 19 years of experience, specializing in creating clean and efficient code. My background includes front-end and full-stack development, allowing me to deliver robust web applications for various sectors. I excel in collaborating with teams to implement innovative solutions that drive product success. My meticulous approach ensures high-quality outcomes, meeting deadlines without compromise. I am committed to developing software that not only meets client specifications but also enhances user experience. If you’re seeking a developer who combines technical expertise with a strong focus on teamwork, let’s discuss how I can contribute to your project.

Oracle Certified Professional Java Developer, Spring Boot developer, Full stack developer & solutions provider. Are you looking for all-inclusive, reliable microservices and responsive web app development? Or a full-stack developer who fully understands and fulfills your unique requirements with custom solutions? Do you have time or other constraints that prevent you from hiring full-time, in-house specialists for your project? Don’t worry! You’ve found the right person. I am Salman, a Full-Stack Microservices and Responsive Web developer with over 12 years of developing, implementing, and maintaining high-quality & customized backend and web-based software solutions across various industry sectors. I’m always willing to go above and beyond and make myself available, to answer queries, provide quick fixes or status updates, and meet tight deadlines. I have experience with: ✅ Java, Java Core, Java EE ✅ Spring Boot, Spring MVC ✅ Spring Boot Data, Spring JPA Data ✅ Spring Security ✅ Apache Struts ✅ Microservices ✅ RestAPI / Restful API Development ✅ OpenAPI/Swagger, Postman ✅ API Integration ✅ JPA, Hibernate ORM ✅ Java Concurrency ✅ Relational Database (RDBMS): MySQL, MSSQL Server, PostgreSQL, IBM DB2 ✅NoSQL Databases: MongoDB, AWS Dynamo DB ✅ Container Orchestration: Kubernetes, Helm Chart ✅ DevOps Skills: CI/CD, Kubernetes, Helm charts, Docker, Github Actions, GitHub, Ansible ✅Cloud Experience: GCP, AWS, AWS SDK ✅ JSP / Java Server Pages ✅ JSF / Java Server Faces / Jakarta Server Faces ✅ Thymleaf ✅ React JS, Bootstrap, Material CSS, HTML, CSS, Javascript, JQuery 🌟 WHY CHOOSE ME OVER OTHER FREELANCERS? 🌟 ✅ Quality-Oriented: I focus on providing VALUE to all of my Clients and Earning their TRUST. Delivering with quality is the key to gaining trust, and that's where I put my core focus. ✅ Over-Delivering: This is core to my work as a Freelancer. My focus is on GIVING more than what I expect to RECEIVE. I take pride in leaving all of my Clients saying "WOW." ✅ Adaptive to changes: During Software Development Lifecycle, it is highly likely some changes might be needed. I understand this and open to any changes. The end goal is to make my client achieve his target, and the objective is to make his/her business more profitable. ✅ Responsiveness: Being extremely responsive and keeping all lines of communication readily open with my Clients. ✅ Respect: Self-respect is everyone's right. I belong and thrive in a work culture where everyone's self-respect is of utmost importance. Maintaining relations with my clients to boost their self-respect is one of the core offerings that I can offer here. Have any questions? Want to discuss your project? Or do you want to get advice? Drop me a message, and we will have a quick call to understand your requirements so that to help you 100% according to your desires :)

👋 Hello, I’m Himanshi, a Certified Zoho Consultant with 6+ years of hands-on experience and 100+ successfully delivered projects across multiple industries. I specialize in crafting custom Zoho-based solutions, building intelligent automations, and integrating external systems to simplify and scale business operations. From advanced CRM customisation to API-driven integrations and Zoho Creator applications, I bring strong technical depth and real-world problem-solving to every engagement. 💡 Turning Your Ideas into Scalable Solutions My goal is to help businesses build efficient, automated, and future-ready systems using Zoho. Whether you’re implementing Zoho for the first time or optimizing a complex, existing setup, I ensure the process is smooth, reliable, and results-driven. 🔥 How I Add Value ✅ Custom Zoho Widgets & Extensions – Purpose-built interfaces and components tailored to your workflows ✅ Complete Zoho Implementations – CRM, Finance, Operations, E-commerce, and more ✅ Seamless Third-Party Integrations – Twilio, Zapier, QuickBooks, HubSpot, Salesforce, and other platforms ✅ Intelligent Automation – Data-driven workflows that reduce manual effort and increase efficiency ✅ API & Custom Development – Secure, scalable integrations built to your exact requirements ✅ E-commerce & Finance Automation – Shopify, Amazon, Zoho Books, Inventory, and end-to-end order flows 💼 Technical Skill Set 🌟 Zoho Ecosystem Expertise Extensive experience working across the full Zoho suite, including: Zoho CRM, Creator, Desk, Campaigns, Projects, Books, Invoice, Inventory, Subscriptions, People, Recruit, Analytics, Docs, Commerce, Sites, Flow, Meeting, and more—designed to streamline and automate business processes. 🌟 Full-Stack Development Strong capabilities across front-end and back-end technologies: Front-end: HTML, CSS, JavaScript, React, Angular Back-end: Node.js, Python, Django, Ruby on Rails, PHP, Java 🌟 Database Technologies Experienced in managing structured and unstructured data: MySQL, PostgreSQL, MongoDB, Cassandra 🌟 Cloud & Infrastructure Hands-on experience building scalable, secure systems on: AWS, Microsoft Azure, Google Cloud Platform 🌟 WordPress & CMS Solutions Custom theme development, plugin integration, performance optimization, and system integrations. 🌟 Programming Languages & Frameworks ✅ Languages: Python, PHP, Java, JavaScript ✅ Frameworks: Spring, Hibernate, Django, Flask, Laravel, CakePHP, JSF 🔍 Let’s Build Something Powerful Together I’m passionate about helping businesses grow through smart technology decisions. Whether you need custom development, automation, integrations, or expert Zoho guidance, I’m committed to delivering reliable, high-impact solutions. 🛠 24×7 Support Available I provide ongoing support for bug fixes, enhancements, and post-deployment needs—ensuring long-term stability and peace of mind. ⏰ Comfortable working in EST time zones. 📩 Let’s connect and discuss how I can help bring your project to life.

I am a full stack developer with more than 15+ years of experience in Java Web Applications based out of Kochi India. Languages: Java/ J2EE, Javascript, HTML, CSS Backend Frameworks/ Libraries: Spring MVC, Spring Boot, Spring Integration, Spring Webflow, Spring Batch, Spring Reactive, Node JS Frontend Frameworks/Libraries: JSP, JSF, Primefaces, Bootstrap, Angular, React JS, Vue JS Database: Postgres, MSSQL, Oracle, MySQL, Mariadb, Redis, Neo4j, Cassandra, Mongo DB Cloud: AWS, GCP (Google Cloud), Azure, DigitalOcean Services: Authentication Services (Oauth, Auth0, Cognito, Keycloak), AWS Pinpoint, Databricks, Snowflake Open Source Projects: Archivesspace, Fineract, Hyrax Unit Testing: Spring Test, Mockito, EasyMock, PowerMock, Junit, Karate Other: OpenSearch, REST, SOAP, SDK, Mircroservices, API Integration Build Tool: Gradle, Maven, ANT CI/CD: Jenkins/ Bitbucket Pipeline/ Ansible/ Terraform Approches: TDD, BDD I have successfully worked with clients across various industries, including Fintech, Capital Markets, Banking, Insurance, Telecommunications, Retail etc and have a proven track record of delivering large-scale, enterprise-grade solutions. Whether you're looking for guidance on high-level architectural decisions or hands-on assistance with development, I can provide the expertise you need to drive success. Let’s connect to discuss how I can help you solve your technical challenges and create solutions that will scale with your business.

𝟭𝟳𝟬 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀. 𝟮𝟮 𝘆𝗲𝗮𝗿𝘀. 𝗕𝘂𝗶𝗹𝘁 𝘁𝗼 𝘀𝗰𝗮𝗹𝗲. 𝗕𝘂𝗶𝗹𝘁 𝘁𝗼 𝗽𝗲𝗿𝗳𝗼𝗿𝗺. 𝗕𝘂𝗶𝗹𝘁 𝗳𝗼𝗿 𝗴𝗿𝗼𝘄𝘁𝗵. 🔥 𝐅𝐫𝐞𝐞 𝟐𝟎 𝐡𝐨𝐮𝐫𝐬 𝐨𝐟 𝐩𝐥𝐚𝐧𝐧𝐢𝐧𝐠 𝐟𝐨𝐫 𝐲𝐨𝐮𝐫 𝐧𝐞𝐰 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 (DM "Free") 🔥 𝐅𝐫𝐞𝐞 𝐜𝐨𝐝𝐞 𝐫𝐞𝐯𝐢𝐞𝐰 𝐟𝐨𝐫 𝐲𝐨𝐮𝐫 𝐞𝐱𝐢𝐬𝐭𝐢𝐧𝐠 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 (DM "Free") Main focus: ✅𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐖𝐞𝐛 & 𝐒𝐚𝐚𝐒 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: build production-ready web applications, SaaS platforms, customer/admin portals, dashboards and complex business systems from A to Z with Java, Spring Boot, Spring Cloud, Angular, React, REST APIs, PostgreSQL/MySQL, AWS, Docker and Kubernetes. ✅𝐂𝐨𝐦𝐩𝐥𝐞𝐱 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 & 𝐀𝐏𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬: design scalable backend architecture, business logic, APIs, WebSockets, data hubs, gateways and third-party integrations using Java, Spring Boot, REST, SOAP, OAuth and event-driven technologies. ✅𝐀𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 & 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧: embed AI-powered features into SaaS and business software using Claude, Codex, MCP, RAG, Vertex AI and Spring AI for analytics, automation, predictive systems and AI over business data. ✅𝐂𝐥𝐨𝐮𝐝 & 𝐒𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬: architecture and development of cloud-native, serverless and scalable applications using AWS, GCP, Docker, Kubernetes, ECS, EKS, Lambda, RDS, SQS/SNS and zero-downtime deployment. ✅𝐑𝐞𝐥𝐢𝐚𝐛𝐢𝐥𝐢𝐭𝐲 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠: structured review of your application, architecture, AWS infrastructure, deployment process, monitoring, APIs and operational dependencies, followed by a prioritized remediation roadmap. ✅𝐏𝐎𝐒 𝐚𝐧𝐝 𝐌𝐮𝐥𝐭𝐢-𝐒𝐭𝐨𝐫𝐞 𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞: POS, KDS, checkout, payments, catalog, ordering, inventory, loyalty, reporting and multi-store commerce software for businesses operating across physical locations and online storefronts. ✅𝐈𝐨𝐓 𝐅𝐥𝐞𝐞𝐭 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭: build secure IoT, telemetry, remote diagnostics and predictive maintenance platforms for manufacturers, service teams and operators managing connected devices at scale using AWS IoT, MQTT, data streaming and cloud analytics. ✅𝐉𝐚𝐯𝐚 𝐄𝐜𝐨𝐬𝐲𝐬𝐭𝐞𝐦 𝐌𝐨𝐝𝐞𝐫𝐧𝐢𝐳𝐚𝐭𝐢𝐨𝐧: modernize Java-based enterprise systems in controlled stages using Java, Spring, Spring Boot, EJB, Oracle, WebLogic, WebSphere and JBoss/WildFly while preserving critical business functionality. ✅𝐄𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐑𝐞𝐬𝐜𝐮𝐞: take over, understand, stabilize and safely continue development of complex Java, Spring and AWS systems when the existing team, architecture or delivery process is no longer reliable. ================================================ WE EARN/SAVE MONEY💰 FOR OUR CUSTOMERS by: • allowing their business to expand (or start sometimes:) • automating processes and reducing operational cost • using newer and more efficient technology • long-run cost reduction because of high-quality software. ================= Some tech below =============== ✓ Full-Stack Web: Java, Spring Boot, Spring Cloud, Angular, React, JavaScript, Bootstrap, OAuth. ✓ Java/Spring: Spring Boot, Spring MVC, Spring Web, Spring Security, Spring Data, Spring AI. ✓ Java/JavaEE: EJB, JSP/JSF/RichFaces, Oracle ADF, JavaFX. ✓ APIs & Integrations: REST, SOAP, XML-RPC, WebServices, WebSockets, Swagger/OpenAPI. ✓ Cloud: AWS, Google Cloud, Docker, Kubernetes, ECS, EKS, cloud-native apps, scalable clusters, zero-downtime deployment. ✓ AI: Codex, Claude, MCP, RAG, Vertex AI, Spring AI. ✓ Databases: Oracle, PostgreSQL, MySQL, PL/SQL, AWS RDS, Aurora, Cassandra, Redis, MongoDB, Neo4j, HDFS, S3/Parquet, JPA, custom ORMs. ✓ AWS: EC2, Kinesis, Athena, Redshift, DynamoDB, Lambda, IoT, SQS/SNS, CloudFront, Route53, API Gateway. ✓ Data streaming: AWS Kinesis, Firehose, SQS/SNS, Kafka, Camel, RabbitMQ. ✓ Servers: Tomcat, WebLogic, JBoss/WildFly, WebSphere. ✓ Performance optimization: JMeter, JProfiler, AWS X-Ray, GTMetrix, Gatling. ✓ Version control: Git, GitHub, Bitbucket, GitLab, SVN. ✓ CI/CD: Bamboo, Jenkins, Circle CI, Sonar, Bitbucket Pipelines, GitHub Actions, AWS CodeBuild/CodeDeploy. ✓ Other: Maven, Nexus, Gradle, Ant, Workflow Automation, Performance Optimization, QA Automation. 𝐑𝐞𝐚𝐝𝐲 𝐭𝐨 𝐛𝐮𝐢𝐥𝐝? 𝐌𝐞𝐬𝐬𝐚𝐠𝐞 𝐦𝐞 - 𝐥𝐞𝐭’𝐬 𝐠𝐞𝐭 𝐢𝐭 𝐦𝐨𝐯𝐢𝐧𝐠.