Hire the Best JUnit Specialists in Yerevan, AM

With six years of hands-on experience in Java development, I am currently excelling as a Java Spring Developer and Cloud Engineer. I hold both a Master's and a Bachelor's degree in Applied Mathematics and Informatics. Technical Expertise ✔Programming Languages: Java ✔Web Technologies: Spring (MVC, Security, Boot, Reactive), JSP, REST, SOAP ✔Databases: Hibernate, JPA, MySQL, MongoDB, PostgreSQL, DynamoDB ✔DevOps: AWS (EKS, RDS, S3, SQS) ✔Development Tools: Jira, Postman, Swagger, Circle CI ✔Version Control: GitHub, GitLab, Bitbucket Why Choose Me for Your Projects? 🌟 Passion for Excellence: Driven by a desire to continuously improve, I thrive on challenging projects that push me to deliver my best work. ⚡ Efficiency: I pride myself on writing clean, efficient, and maintainable code, adhering to the best coding practices. 🗣 Responsive and Communicative: I prioritize timely responses and clear communication with clients, ensuring a respectful and productive collaboration. 👍 Client Satisfaction: I value client feedback and strive to exceed their expectations, building positive and mutually rewarding relationships. I am open to new projects, whether working individually or as part of a team. Let's collaborate to bring your ideas to life!

🟢 𝗣𝗮𝗿𝘁 𝗼𝗳 𝘁𝗵𝗲 𝗧𝗼𝗽 𝟭% 𝗘𝘅𝗽𝗲𝗿𝘁-𝗩𝗲𝘁𝘁𝗲𝗱 Full-Stack Developers on Upwork 🚀 Specializing in 𝗔𝗻𝗴𝘂𝗹𝗮𝗿 (𝟭𝟴+), 𝗝𝗮𝘃𝗮 (𝟭𝟳+), 𝗦𝗽𝗿𝗶𝗻𝗴 𝗕𝗼𝗼𝘁, 𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻, 𝗔𝗣𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁, 𝗙𝗶𝗻𝘁𝗲𝗰𝗵, and Scalable Web Applications. With 𝟭𝟬+ 𝘆𝗲𝗮𝗿𝘀 delivering robust, maintainable, and scalable software solutions, I combine front-end expertise in Angular and back-end mastery with 𝗝𝗮𝘃𝗮 𝗮𝗻𝗱 𝗦𝗽𝗿𝗶𝗻𝗴 𝗕𝗼𝗼𝘁 𝘄𝗶𝘁𝗵 𝗔𝗜 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝘀𝗸𝗶𝗹𝗹𝘀 including 𝗚𝗣𝗧-𝟰, 𝗟𝗮𝗻𝗴𝗖𝗵𝗮𝗶𝗻, 𝗖𝘂𝗿𝘀𝗼𝗿 𝗔𝗜, 𝗣𝘆𝘁𝗵𝗼𝗻, 𝗮𝗻𝗱 𝗡𝗼𝗱𝗲.𝗷𝘀. I build powerful AI-driven automation, chatbots, and API workflows. 𝗪𝗵𝘆 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵 𝗺𝗲? ✅ 𝗗𝗲𝗲𝗽 𝗲𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 𝗶𝗻 𝗔𝗻𝗴𝘂𝗹𝗮𝗿 & 𝗝𝗮𝘃𝗮 – clean, scalable code optimized for performance ✅ 𝗔𝗜 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 𝘀𝗸𝗶𝗹𝗹𝘀 – GPT-4, LangChain, Cursor AI, OpenAI API, Python, Node.js ✅ 𝗖𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀 – AWS, Kubernetes, Docker, CI/CD pipelines ✅ 𝗧𝗲𝘀𝘁𝗶𝗻𝗴 & 𝗤𝘂𝗮𝗹𝗶𝘁𝘆 𝗔𝘀𝘀𝘂𝗿𝗮𝗻𝗰𝗲 – unit & integration testing with Jest, JUnit, Selenium ✅ 𝗣𝗮𝘆𝗺𝗲𝗻𝘁 & 𝗔𝗣𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 – Stripe, Braintree, PayPal, Sendinblue, plus fintech platforms ✅ 𝗧𝗿𝘂𝘀𝘁𝗲𝗱 𝗯𝘆 𝘀𝘁𝗮𝗿𝘁𝘂𝗽𝘀 & 𝗲𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲𝘀 – 50+ projects delivered successfully ✅ 𝗙𝗮𝘀𝘁, 𝗰𝗹𝗲𝗮𝗿 𝗰𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻 & 𝗿𝗲𝗹𝗶𝗮𝗯𝗹𝗲 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝘆 𝘁𝗼 𝗸𝗲𝗲𝗽 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝗼𝗻 𝘁𝗿𝗮𝗰𝗸 𝗖𝗿𝗲𝗱𝗲𝗻𝘁𝗶𝗮𝗹𝘀 & 𝗕𝗮𝗰𝗸𝗴𝗿𝗼𝘂𝗻𝗱 ⭐ Oracle Certified Java Professional ⭐ Neural Networks and Deep Learning (DeepLearning.AI) ⭐ Lecturer at Russian-Armenian University (RAU) ⭐ Computer Science graduate, American University of Armenia 𝗖𝗹𝗶𝗲𝗻𝘁 𝗣𝗿𝗮𝗶𝘀𝗲: "Oleg integrated GPT-4 APIs seamlessly, creating a chatbot that boosted our customer engagement by 40%." – AllAboutCustomers "Delivered LangChain automation ahead of schedule, saving us thousands in manual work." – BobbyTech 🚀 Ready to build your next AI or fintech solution with a trusted expert? Message me today and let’s create something amazing!

I am a skilled Java Backend Developer with strong experience designing and building scalable, high-performance backend systems. Throughout my career, I’ve developed expertise in Java and a wide range of modern backend technologies and frameworks. ✅My core skills include: ✔️Java (19+), Spring Framework, Spring Boot, Spring Data JPA, Spring Security, Spring AOP ✔️RESTful APIs, GraphQL, Web Services ✔️Hibernate, Microservices Architecture ✔️Databases: MySQL, PostgreSQL, Oracle ✔️Build & DevOps Tools: Maven, Docker, Git ✔️Event Streaming: Apache Kafka I earned a certification as an AI Automation Specialist (n8n), expanding my skill set in automation and intelligent system development. I also have working knowledge of additional technologies such as C++, Python, and frontend basics, giving me a well-rounded understanding of full-stack development. I'm passionate about clean code, efficient systems, and delivering reliable, production-ready solutions. Whether you're building a new backend service or need help improving an existing one, I'm here to help.

As a Senior Java Engineer with over 10 years of experience, I specialize in building scalable, secure, and high-performance systems using Java, Spring Boot, and Spring Security. My background spans across microservices, event-driven, and service-oriented architectures, enabling me to deliver robust, maintainable backend solutions. I have deep expertise in Kafka, RabbitMQ, and RESTful API design, combined with hands-on experience integrating AI-driven and data-centric technologies like LangChain, LangFlow, Qdrant, and OpenAI APIs — bridging traditional backend systems with modern LLM-powered workflows. I’m passionate about system design, clean architecture, and test-driven development, and thrive in Agile teams where collaboration and innovation are key. My focus is on crafting elegant, future-ready solutions that accelerate business value and enhance user experience. Driven by curiosity and continuous learning, I’m always exploring emerging technologies in AI, distributed computing, and knowledge retrieval, and applying them to create intelligent, scalable Java ecosystems.