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Hello there! 👋 I’m Danish Azeem, a Senior Software Engineer with expertise in backend development, AI integration, and cloud-based architectures. With a strong foundation in Java, Spring Boot, Microservices, AWS, and SQL, I specialize in building scalable applications and optimizing AI-driven functionalities. Currently, I’m pursuing my Master’s in Artificial Intelligence & Data Science at Politecnico di Bari, complementing my Bachelor’s in Computer System Engineering from MUET, Jamshoro. My passion for software development, AI, and machine learning has driven me to work on complex architectures, database management, and cloud infrastructures. I believe in continuous learning, innovation, and delivering high-quality solutions. Whether it’s developing robust APIs, optimizing databases, or integrating AI models into real-world applications, I ensure performance and scalability. If you’re looking for a dedicated and skilled engineer for your project, let’s connect and build something great! 🚀

I am a double-certified Oracle Java Developer (OCA 8 and OCP 17) with solid experience in Java and Python. Whether you are looking to integrate AI-powered workflows into your business, build a custom backend from scratch, or securely deploy and manage your applications on a Linux server, I can help. My focus is on implementing business logic and Document Management Systems (DMS) with a problem-solving mindset, aiming to optimize performance and streamline complex processes. Beyond pure software development, I am a dedicated tech enthusiast and sysadmin at heart. I can design, optimize, and maintain your self-hosted Linux server architectures. I am highly proficient in application containerization using Docker, secure service exposure and reverse proxy management (utilizing Cloudflare Zero Trust and Nginx), and setting up virtual networks. Furthermore, I specialize in writing custom Bash scripts for advanced process automation, file system management, and server resource optimization. My core value lies in delivering end-to-end solutions: I don't just write the backend code; I know how to package it, deploy it, and ensure it runs securely and efficiently on a robust infrastructure. Clear communication and delivering robust results are my priorities, so let’s get in touch and discuss your project.

ABOUT ME A full-stack Java developer with a passion for creating efficient and user-friendly applications. Proficient in utilizing open-source technologies to develop and implement scalable solutions. Proven ability to turn complex problems into simple and elegant solutions. Committed to staying up-to-date with the latest industry developments and constantly seeking new challenges to grow as a professional.

🚀𝗧𝗼𝗽-𝗥𝗮𝘁𝗲𝗱 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 Software Engineer | 𝗦𝗖𝗔𝗟𝗔𝗕𝗟𝗘 SaaS, 𝗠𝗩𝗣𝘀 & 𝗔𝗜-𝗣𝗼𝘄𝗲𝗿𝗲𝗱 𝗪𝗲𝗯 & 𝗠𝗼𝗯𝗶𝗹𝗲 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 🏆 Upwork Top Rated Professional (Top 10 %) 🏆 50+ Jobs Successfully completed on Upwork 💯 2 hours of response time with 100% Client Dedication! ✅ Unlimited revision on design to ensure you get exactly what you're looking for. ⌚ Available 15-18 hours a day. Hi, I am a freelance consultant & I am here to help you in programming related projects. 👨‍💻 What my Clients Say about me as a freelance consultant: 🤩 From Behruz: "I am extremely satisfied with the Junaid's work has provided on my GUI tasks. His exceptional expertise in GUI development, commitment to timely delivery, and creative problem-solving skills have significantly contributed to our project's success. Communication with Him was clear and concise, and their professionalism throughout our collaboration was commendable. I would highly recommend Junaid to anyone seeking expert GUI development services. It has been a pleasure working with them, and I look forward to future collaborations. Thank you, for your outstanding work!" From Raymond: "Completed the task twice as fast as asked. High quality skills." 𝒀𝒐𝒖𝒓 𝑩𝒖𝒔𝒊𝒏𝒆𝒔𝒔 𝒊𝒔 𝒎𝒚 𝑩𝒖𝒔𝒊𝒏𝒆𝒔𝒔. Mastering Flutter for dynamic mobile apps and Java for desktop solutions, I seamlessly blend powerful algorithms with captivating user designs. A rapid learner, I'm ready for a technical rendezvous. Let's chat at your convenience – your project's next breakthrough awaits! 🚀 Skills: 💻 C 💻 C++ 💻 Core Java, Java OOP, Java JDBC, Java Swing, Java Hibernate, Java Multi-Threading, Java Sockets, Java I/O 📱 Mobile App Development in Flutter (Dart) 🛢️ MySQL 🛢️ Oracle 🧠 Data Structures and Algorithms 🔄 Git 🌐 GitHub 🔨 Highlighted Projects: 1. E-Pay Console Application (C++) . Streamlined payment processes with a user-friendly console application. 2. Pharmacy Desktop Application (Java) . Developed a comprehensive desktop app for efficient pharmacy management. 3. Block Breaker Game (Java, Swing Framework) 🎮 . Created an engaging Block Breaker game using the Java Swing Framework. 4. Crossword Puzzle Game (Java, Swing Framework) 🎮 . Designed a fun and interactive crossword puzzle game using Java Swing. 5. Password Encryption/Decryption (Java, Caesar Cipher) . Implemented secure password handling through Caesar Cipher encryption. 6. Scanning Food Plants and Disease Detection (Software Requirements Specification) . Drafted a detailed Software Requirements Specification for a plant disease detection system. 🌐 Preferred Project Categories: 1. Fintech 2. Healthcare & Wellness 3. Cab/Taxi Booking 4. Delivery Services 5. Chats & Messengers (Audio/Video) 6. On-Demand Services 7. Fitness Apps 8. Social Networking 9. Job Marketplaces 10. E-Commerce My goal is to satisfy my clients with a perfect result. I give you my great abilities to make client work easier and more professional. 𝑻𝒉𝒂𝒏𝒌𝒔 𝒇𝒐𝒓 𝒓𝒆𝒂𝒄𝒉𝒊𝒏𝒈 𝒐𝒖𝒕 𝒕𝒐 𝒎𝒚 𝒑𝒓𝒐𝒇𝒊𝒍𝒆. 𝑭𝒆𝒆𝒍 𝒇𝒓𝒆𝒆 𝒕𝒐 𝒄𝒐𝒏𝒕𝒂𝒄𝒕 𝒎𝒆. 𝑰 𝒂𝒎 𝒉𝒆𝒓𝒆 𝒕𝒐 𝒄𝒐𝒏𝒔𝒖𝒍𝒕 𝒂𝒍𝒎𝒐𝒔𝒕 24/7 𝒕𝒐 𝒎𝒚 𝒄𝒍𝒊𝒆𝒏𝒕𝒔.

I am a detail-oriented Virtual Assistant specializing in data entry, lead generation, and web research. I help businesses organize their data, build target contact lists, and complete administrative tasks accurately and on time. Services I provide: 1. Data entry and data cleaning. 2. Lead generation and email list building. 3. Web research. 4. Excel and Google Sheets management. 5. CRM data updates. 6. Product uploading(Shopify, WooCommerce, Amazon) Why choose me: 1. Fast and accurate work. 2. Clear communication 3. On-time delivery. 4. 100% dedication. I am available for both short-term and long-term projects and can start immediately. Let's work together to make your work easier and more organized.

I’m a senior software engineer with 15+ years of experience in the design and development of enterprise-grade applications, libraries, and tools. My core expertise spans API design and integration (OpenAPI/Swagger/JSON Schema), REST and microservices architectures, OSS development, IoT integration, and Java-based enterprise systems. I have extensive experience leading geographically distributed teams and delivering projects across diverse technology stacks and business domains. Over the past decade, I’ve been a lead maintainer and contributor to several key Swagger and OpenAPI OSS projects, including Swagger Core (30M+ monthly downloads on Sonatype), Swagger Parser, Swagger Codegen, and ApiDOM. I’ve helped evolve these from early-stage codebases into production-ready components widely adopted in both open-source and commercial products, including by major companies. I played a key role in the growth of Swagger/OpenAPI-based commercial platforms, driving architecture and implementation for code generation, SCM and cloud integrations, parsing, validation and plugin frameworks — from concept to profitable SaaS offerings. I'm deeply familiar with the full lifecycle of web and API-driven platforms and integration layers, including protocol implementations and de facto standards. I have also developed and maintained complex systems in varied environments, adjusting architecture and delivery based on constraints, teams, and performance needs. I actively explore AI and agentic technologies and already leverage them in my development workflows. I'm progressively adapting and tuning them to fit API-centric and developer tooling domains — stay tuned. For a sample of my work, see GitHub: frantuma Recent Focus Areas: * Deep API architecture: OpenAPI 2 → 3.2, JSON Schema, AsyncAPI * High-performance Java backends: Spring Boot, JAX-RS/Jakarta, microservices * Developer tooling: Specification and code representation, parsing, validation, transformation, rich editing, integration * Integration: Making systems talk to each other—OpenAPI, REST, APIs, GitHub, Cloud, IoT, TypeScript, Java Services Offered: * API & Platform Consulting: Design-first and code-first approaches, integration, cloud, versioning, generation, linting, rules * Custom Java & TypeScript Development: From greenfield services to deep refactoring and performance optimization * Integration & DevOps: GitHub Actions, Maven Central, Nexus, Docker, AWS IaC * Developer Tooling: Custom language servers, schema validators, code generators * Technology Consulting: Strategic advice and tactical help, from architecture to implementation * Maintenance & Support: Hands-on assistance and issue resolution for complex systems Buzzwords & Stack: OpenAPI, Swagger, JSON Schema, REST, AsyncAPI, GraphQL, SOAP, XML, XSD, JSON Java, TypeScript, JavaScript, Python, Kotlin, Scala, Bash Spring, Spring Boot, JAX-RS, Jakarta, Tomcat, JBoss, Jetty, Apache, NGINX Docker, AWS, Lambda, OSGi (Felix, ServiceMix), Mule ESB, Kafka, JMS, Hazelcast, ActiveMQ Databases: MongoDB, CouchDB, PostgreSQL, MySQL/MariaDB, Oracle, Derby CI/CD: Maven, Gradle, npm, Jenkins, GitHub Actions, Nexus, Bamboo IDE/Tools: IntelliJ, Eclipse, NetBeans, Git, SVN, GitHub, Bitbucket Workflow: SCRUM, Agile, JIRA, Confluence, UML, RSA Testing: JUnit, Mockito, Easymock, Selenium, JMeter, Flyway Android, IoT, Location Services, Google Maps Misc: Wordpress, PHP, Quartz, POI, Jackson, JasperReports, SSO, Facebook/Twitter APIs