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I am a passionate Java Back-End Developer with over 3 years of experience designing and building scalable microservices using Spring Boot, PostgreSQL, and Docker. I specialize in RESTful API development, test-driven development, and clean architecture principles. I am dedicated to delivering high-quality code, continuous improvement, and effective collaboration in remote and agile team environments. My experience extends to diagnosing legacy system bugs, developing automation bots, and contributing to blockchain infrastructure to optimize key processes and improve performance. I enjoy streamlining workflows, reducing manual efforts, and enhancing system stability and uptime. My technical expertise encompasses a wide range of frameworks and tools such as Spring Security, Hibernate, Kubernetes, Git, Swagger, Postman, and messaging systems like Apache Kafka and RabbitMQ. I have hands-on experience in microservice architecture, CI/CD processes, and multiple databases including PostgreSQL, MySQL, MongoDB, and Redis.…I am a passionate Java Back-End Developer with over 3 years of experience designing and building scalable microservices using Spring Boot, PostgreSQL, and Docker. I specialize in RESTful API development, test-driven development, and clean architecture principles. I am dedicated to delivering high-quality code, continuous improvement, and effective collaboration in remote and agile team environments. My experience extends to diagnosing legacy system bugs, developing automation bots, and contributing to blockchain infrastructure to optimize key processes and improve performance. I enjoy streamlining workflows, reducing manual efforts, and enhancing system stability and uptime. My technical expertise encompasses a wide range of frameworks and tools such as Spring Security, Hibernate, Kubernetes, Git, Swagger, Postman, and messaging systems like Apache Kafka and RabbitMQ. I have hands-on experience in microservice architecture, CI/CD processes, and multiple databases including PostgreSQL, MySQL, MongoDB, and Redis.

TsimaFei Sniazhkou

Back-End Developer, Developer, Blockchain Developer, +1

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I am a passionate Java Back-End Developer with over 3 years of experience designing and building scalable microservices using Spring Boot, PostgreSQL, and Docker. I specialize in RESTful API development, test-driven development, and clean architecture principles. I am dedicated to delivering high-quality code, continuous improvement, and effective collaboration in remote and agile team environments. My experience extends to diagnosing legacy system bugs, developing automation bots, and contributing to blockchain infrastructure to optimize key processes and improve performance. I enjoy streamlining workflows, reducing manual efforts, and enhancing system stability and uptime. My technical expertise encompasses a wide range of frameworks and tools such as Spring Security, Hibernate, Kubernetes, Git, Swagger, Postman, and messaging systems like Apache Kafka and RabbitMQ. I have hands-on experience in microservice architecture, CI/CD processes, and multiple databases including PostgreSQL, MySQL, MongoDB, and Redis.…I am a passionate Java Back-End Developer with over 3 years of experience designing and building scalable microservices using Spring Boot, PostgreSQL, and Docker. I specialize in RESTful API development, test-driven development, and clean architecture principles. I am dedicated to delivering high-quality code, continuous improvement, and effective collaboration in remote and agile team environments. My experience extends to diagnosing legacy system bugs, developing automation bots, and contributing to blockchain infrastructure to optimize key processes and improve performance. I enjoy streamlining workflows, reducing manual efforts, and enhancing system stability and uptime. My technical expertise encompasses a wide range of frameworks and tools such as Spring Security, Hibernate, Kubernetes, Git, Swagger, Postman, and messaging systems like Apache Kafka and RabbitMQ. I have hands-on experience in microservice architecture, CI/CD processes, and multiple databases including PostgreSQL, MySQL, MongoDB, and Redis.

Available to hire

I am a passionate Java Back-End Developer with over 3 years of experience designing and building scalable microservices using Spring Boot, PostgreSQL, and Docker. I specialize in RESTful API development, test-driven development, and clean architecture principles. I am dedicated to delivering high-quality code, continuous improvement, and effective collaboration in remote and agile team environments. My experience extends to diagnosing legacy system bugs, developing automation bots, and contributing to blockchain infrastructure to optimize key processes and improve performance.

I enjoy streamlining workflows, reducing manual efforts, and enhancing system stability and uptime. My technical expertise encompasses a wide range of frameworks and tools such as Spring Security, Hibernate, Kubernetes, Git, Swagger, Postman, and messaging systems like Apache Kafka and RabbitMQ. I have hands-on experience in microservice architecture, CI/CD processes, and multiple databases including PostgreSQL, MySQL, MongoDB, and Redis.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Intermediate

Belarusian

Fluent

Russian

Fluent

Work Experience

Freelance Developer – Java Back End Developer

May 1, 2023 - Present

Developed RESTful APIs for clients, enabling seamless integration with multiple front-end applications and enhancing user experience. Diagnosed and resolved legacy system bugs, improving uptime and system stability by 10–15%. Built automation bots using Java/JavaScript/Chromium to streamline workflows, reducing manual effort by 75%. Contributed to deployment and maintenance of blockchain infrastructure, optimizing key processes and boosting performance.

Java Backend Developer at Amadei Clinic

November 30, 2022 - August 21, 2025

Refactored internal systems to automate service processes, speeding up workflow by 25% and improving overall service efficiency. Designed and maintained a Java-based microservice architecture using Spring Framework, enhancing system modularity and scalability. Optimized database queries and introduced Redis caching, boosting data response by 15%. Created RESTful APIs and documentation for third-party service integrations. Implemented comprehensive test coverage using JUnit and Mockito, significantly improving code quality and reducing bugs by 20%.

Java Developer Training Program at EPAM Systems

August 31, 2022 - August 21, 2025

Contributed to the development of educational software for Java training. Designed practice tasks and solutions to improve learning outcomes for students. Participated in full software lifecycle: planning, development, testing, and deployment.

Java Developer (University Work)

May 31, 2022 - August 21, 2025

University-level Java developer work, available upon request in compliance with GDPR.