Hi 👋 My name is Mirza, I am a software engineer! Why choose me as your engineer: 🧩 End-to-end engineer - backend, frontend, testing, and deployment (I can deliver the whole product solo) 🛠️ Engineer mindset - building robust, scalable, and maintainable systems, not just writing code 🏢 Enterprise experience - worked on large-scale systems for Scandinavian Airlines (SAS) and Wüstenrot Bank 🚀 From scratch to production - proven experience building software from zero 🔄 Always up to date - actively following modern technologies and framework updates 🚀 Technologies I Use: 🔹 Frontend: 🅰 Angular 🖥️ TypeScript ⚡JavaScript 🎨 HTML5 🎭 CSS3 ⚛️ React.js 🔹 Backend: ♨️ Java 🍃 Spring boot 🅺 Kotlin 🏗️ Node.js 🌐 Express.js 🔹 Databases: 🛢️ PostgreSQL ⭕ OracleSQL 🔹 Cloud & DevOps: ☁️ AWS 🌿 Bamboo 🅾️ OpenShift 🐳 Docker ⚙️ Kubernetes ⚡ CI/CD 📌 Visit my website: mmujkanovi1.github.io/newPortfolio/

TL; DR: Java Dev, Front-End to Back-End, Web Dev, 2D Game Dev, Cloud Experience, Linux Enthusiast. With over 17 years of versatile problem-solving experience, I've actively contributed to the success of software development endeavors in various capacities, from established companies and remote collaborations to start-ups and consulting projects. My expertise spans both front-end and back-end development within the Information Technology domain. Specializing in research and development, prototyping, and object-oriented programming, I thrive in environments that prioritize Test-Driven Development (TDD), Pair Programming, and the meticulous crafting of code. I bring a unique skill set that includes data investigations, server administration, and minimalist graphic design upon request. In prior times, I've also gained proficiency in a wide range of technologies, including Java, Spring, JDBC, jOOQ, Tomcat, JBoss, MySQL, PostgreSQL, Linux, JavaScript, Vue, Dojo, jQuery, LibGDX, Phaser, Godot, Git, Subversion, AWS, Azure DevOps, TRAC, and Microsoft Teams. Recently, I've been focusing on low-level areas such as operating system internals, memory management, bit manipulation and hardware interaction with bill acceptor devices and thermal printers using Win32 APIs, MinGW, POSIX, Lib C, SQLite, C, C++, and Zig. So far, I'm only targeting x86/x86_64(or amd64) and ARM CPU architectures. While I have experience with various other technologies mentioned in the past, my current efforts are centered around these specific areas.

Currnetly I'm working as a developer for nearly 8 years. I was taking part in many different projects - document workflows, banking, WMS, public My expirience covers following topics: - java/kotlin - spring ecosystem, - microservices, - AWS, - postgresql/dynamo/mongo - maven/gradle -webservices -git -jira -activiti -jms

As a seasoned Senior Software Engineer, I've amassed a wealth of experience working with various technologies over the years. My expertise lies particularly in Java and Spring Boot, where I've specialized in developing robust and efficient solutions. I've collaborated with teams worldwide, showcasing my adaptability, and I've also successfully managed solo projects. My background spans diverse work environments, from agile startups to established corporations, providing me with a broad perspective and versatile skill set. My project portfolio encompasses a wide array of domains, including advertising, mobile solutions, online education, media, and fintech. This breadth of experience enables me to tackle challenges from multiple angles and deliver comprehensive solutions. I'm passionate about delivering high-quality work and thrive on collaboration within dynamic teams. I'm eager to bring my expertise to your projects, contributing to innovation and collective success. Let's connect and explore how I can elevate your projects with my proven track record.

Hi, I'm Emmanuel, a Fullstack Engineer with a strong backend focus. I've helped early stage SaaS and CRM companies build their products handling things from architecture to deployment especially in fast paced environments. I'm quite versatile and proficient in Go, Java (Spring Boot), TypeScript (Node.js/Express), and Python (FastAPI). While I'm newer to Upwork, I bring solid professional experience as my CV and portfolio speak to the quality of my work. I Bring: - Third-party integrations, automation workflows, and AI solutions - Docker, CI/CD, and cloud deployments - Performance optimization, monitoring, and incident management - Strong communication and teamwork I'm comfortable working with early-stage teams and open to video/voice calls.

✔Expert in Java ✔5000+ Hrs worked on Upwork ✔16+yrs Experience ✔Problem Solver Sun Certified Java Programmer with 16+ Years of Professional Experience in Enterprise Application Development. I have excellent Coding Skills and follow Industry Standards to code Scalable Applications that can be deployed on Cloud or On-Premises or Container or Kubernetes or Hybrid Platform. ✅I specialize extensively in Java: ✓ Back-End Frameworks: Spring Boot, Spring, Hibernate, JPA, JSP, Servlets, Java ✓ Front-End Frameworks: Angular, ReactJS, JQuery, and JavaScript ✓ Other Frameworks: Apache Storm, Hadoop, JPPF, ElasticSearch, Hazelcast, Spring Cloud ✓ Cloud Computing: AWS, Google Cloud, Digital Ocean, and Heroku ✓ Security: OAuth2, OpenID Connect, JWT, LDAP, X.509, Kerberos, Social Logins, SSO ✓ Databases: MS SQL, MySQL, Oracle, PostgreSQL, MongoDB, HBase ✓ CI/CD and monitoring: CI/CD using Gitlab, CI using Jenkins and Bamboo, Kubernetes ✓ Agile Methodology: Scrum and Kanban using project management tools like Jira, Pivotal Tracker, Gitlab, etc. ✅My core competence lies in providing End-to-End Solutions to Enterprise Application Development for the Financial, Marine, and Telecom domains. ✅ How can I help you ✓ I can handle your all end-to-end requirements analysis, development & delivery so you can focus on your sales & operations ✓ I can extend/develop your MVP product to production-ready ✓ I can develop products from scratch until the final delivery and support with maintained code quality and proper code coverage ✓ I can choose the right technology stack and tools for your solution based on real needs and can save costs ✓ I can manage the team, do code reviews, handle CI/CD and releases, support live systems ✓ I can understand and implement the most difficult parts of software systems ✅ Expert Areas ✓ Java-based back-end frameworks like Spring Modules (Spring MVC, Spring Security, Spring AOP, Spring Rest, Spring Data/JPA) ✓ Microservice & Cloud native architecture for developing SaaS-based system ✓ RDBMS (MySQL, PostgreSQL, Oracle) ✓ Docker, Kubernetes, OpenId, SSO, SAML, ✓ Graph/Document Databases MongoDB and DynamoDB ✓ Microservices-based architecture implementation with Spring boot, Spring Integration, and Apache Camel ✓ AWS experience with Serverless, RDS, SQS, SNS, SES, S3, VPC, Cloudformation, ECS, Lambda, Cognito and EC2 ✓ AWS API implementation experience ✓ Queue-based implementations with RabbitMQ, ActiveMQ, SQS, and SNS ✓ Test-driven development implementation with unit and integration test cases with JUnit/TestNG + Mockito + Spring ✓ Database integration frameworks like JDBC/Hibernate/Sprint Data (ORM) and Spring Mongo ✓ REST-based Web Service/API implementation with Spring REST ✓ CI/CD implementation with (Bamboo + Jenkins + Maven + Nexus + GIT(Bitbucket/Gitlab/Github) ✓ Payment Gateways implementations like Stripe with Debit/Credit Card Integration ✓ Solr/Lucene/ElasticSearch search engine integration ✓ Agile Methodology ✓ Experience with implementing very complex queries with MySQL DB ✓ Java-based Servers Tomcat/JBoss ✓ Repositories like Git, SVN

I am a software engineer since 2020 and a full-stack developer since 2018. I am here to help you make your idea become reality, i have worked with the following technologies: ✅ Flutter ✅ Spring boot ✅ Angular ✅ Django ✅ NodeJS ✅ Javascript/Typescript ✅ Java ✅ Kotlin ✅ Python ✅ MySQL ✅ PostgreSQL ✅ MongoDB ✅ Git (Github, Gitlab, Bitbuket)

More than 9+ years of Experience till August 2025, results-oriented engineering leader and technical innovator. Extensive experience in Java web applications and client deliverables, enterprise application development, systems integration, architecture and infrastructure, and system automation technologies. I believe in Be A Problem Solver, I fixed many of my client's problems in efficient and cost-effective ways. If clients are happy and So I am! I am making the things that clients want! Skills: Java, Spring, Struts, Spring Boot, Tomcat, Rest APIs, JUnit, Maven, PHP, Big data, Jellyfin Amazon Web Services (AWS) - EC2, S3, RDS JavaScript, JSON, Angular, Typescript, HTML, CSS, Bootstrap, GraphQL SQL (SQL Server, MySQL, Oracle), JDBC, Atlassian - JIRA, Bamboo, Crucible, Confluence, Docker Linux and Windows OS

Data Engineer & AI Developer | 3+ Years Financial Industry Experience I build data pipelines, AI-powered applications, and automation systems that run reliably at scale. My background spans web scraping, LLM integration, computer vision, betting automation, and full-stack data dashboards — delivered to clients across the US, UK, Europe, and Japan. 💼 Background — 3+ years at a leading Indian bank building risk models, credit scorecards, and AutoML pipelines — PG Diploma in Big Data Analysis ⚡ What I Deliver — Web scrapers handling 1.2M+ URLs and 120K daily pipelines — LLM/AI apps using GPT-4, Gemini, LangChain, RAG, Text-to-SQL — Full Betting automation for horse racing, golf, and football signals — Computer vision pipelines with YOLOv8 and PaddleOCR — Streamlit dashboards, risk scorecards, and AutoML tools 🏆 Notable Work — PitchBook scraper — 1.2M URLs — Njuskalo — 120K daily real estate listings — Text-to-SQL architecture — BetFare — full Betfair automation — LLM Notebook — $1,420 solo delivery — Anti-bot bypass systems 🛠️ Stack Python · Playwright · Selenium · GPT-4 · Gemini · LangChain · Streamlit · PySpark · SQL · YOLOv8 · PaddleOCR · FastAPI · Betfair API · n8n Clean code. Clear communication. Delivered on time.

"Hi! 👋 I'm a backend developer with 3 years of experience specializing in Java ☕ and the Spring Framework 🌱. With a robust understanding of SQL 🗄️, REST 🌐, and various database systems, I’m dedicated to creating high-performance, scalable, and maintainable applications. 🚀 My expertise in testing 🧪 and deployment ensures that my solutions are functional and reliable." Technical Skills: 🟡 Programming Languages: Java 🌱 Spring Framework: Spring Boot, Spring Core, Spring Data Access, Spring Web, Spring MVC, Spring Security 📦 Object-Relational Mapping: Hibernate, JDBC, JPA, OXM ✅ Testing: JUnit, Jupiter, Mockito, Unit Tests, Integration Tests 🛠️ Build Tools: Maven 🗄️ Databases: SQL, MySQL, PostgreSQL 🔄 Version Control: Git 💻 IDEs: IntelliJ IDEA, Eclipse, Neovim 🔗 Other: Java OOP, Collections, Exception Handling, Streams and Lambdas, Concurrency and Multithreading, Input/Output (I/O), Memory Management, Design Patterns, Annotations. What I Offer: 🌐 Backend Development: Building RESTful APIs and microservices with Spring Boot, ensuring efficient data handling and service integration. 📊 Database Management: Designing and implementing robust database schemas and optimizing SQL queries for MySQL and PostgreSQL. 🧪 Testing Excellence: Writing comprehensive unit and integration tests to ensure code quality and functionality. ⏩ Agile Methodologies: Familiar with Agile practices, enabling rapid development and iterative feedback. 🤝 Collaboration: Strong communicator who thrives in team environments, working closely with front-end developers, product managers, and stakeholders. Why Work With Me? ✨ I am passionate about technology and continuously seek to improve my skills and stay updated with industry trends. My approach combines technical expertise with a commitment to delivering quality solutions that meet your business needs. I take pride in writing clean, efficient code and always look for ways to enhance performance and scalability. Let’s Connect! 🎉 If you’re looking for a dedicated backend Java developer who can deliver results, I’d love to discuss your project further. Feel free to reach out, and let’s create something amazing together!