Vladimir Fedorchenko
Java Backend Developer
Experience
Java Backend Developer
HRS (Hospitality and Healthcare Systems)
- Led the integration between our SaaS enterprise platform and a federal healthcare platform, ensured full compliance with all legal and regulatory requirements.
- Managed a sub-team of five developers for healthcare integration projects, coordinating tasks and providing all necessary information to onboard and support team members effectively.
- Designed and implemented a scalable, microservice-based doctor notification system, improving response times and optimizing daily workflows across the platform.
Java Full Stack Developer
ELG (Accounting and Outsource Solutions)
- Built a SaaS enterprise platform for revenue accounting in outsourcing and outstaffing management, actively participating in all stages from design to implementation.
- Developed interactive dashboards and UI workflows with full-stack responsibility, including integration testing with Selenium.
- Designed and implemented from scratch a client-facing Excel import feature for accounting data.
- Onboarded and mentored junior developers, who successfully continued their careers at the company.
Java Backend Developer
GBU MO MOMIATS (Healthcare Statistics)
- Built Spring Boot microservices to integrate regional and federal healthcare APIs for medical data collection.
- Deployed multiple lightweight microservices using Docker Compose for development and testing.
- Implemented a simple but functional UI using JSP for executing API-based operations.
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Professional Services (2.5 years) and Healthcare (2 years).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (4.5 years), Product Development (4.5 years), and Quality Assurance (2.5 years).
Summary
I’m a Java developer with almost 5 years of experience working in enterprise SaaS projects built with Spring Boot technical stack. At the most interesting project in my life, I led a team of five developers on a year-long project integrating our platform with a federal healthcare system, meeting all legal requirements and delivering on time. I’ve built scalable microservices using technologies like Spring Boot, Postgres, Kafka. With a math degree and strong communication skills, I’m both comfortable solving technical challenges and collaborating with teams. I’m now focusing on expanding my skills in microservices architecture, cloud development, and system design.
Skills
Programming Languages:
- Java 8
- Java 17
- Java 21
- Kotlin
Frameworks:
- Spring Boot
- Hibernate
- Quarkus
- Vaadin
Databases:
- Postgres
- Mongodb
- Redis
Containers:
- Docker
- Kubernetes
Message Queues:
- Activemq
- Rabbitmq
- Kafka
Api:
- Restful
- Graphql
- Swagger
- Postman
Testing:
- Junit
- Mockito
- Testcontainers
- Selenium
Security:
- Oauth
- Jwt
- Spring Security
Monitoring & Logging:
- Prometheus
- Grafana
- Elasticsearch
Operating Systems & Tools:
- Linux
- Bash
- Maven
- Gradle
- Git
- Gitlab Ci/cd
Development Methodologies:
- Agile
- Scrum
- Kanban
Project Management Tools:
- Jira
- Confluence
Languages
Education
Moscow State Pedagogical University
Bachelor's degree in Mathematics and Computer Science · Mathematics and Computer Science · Moscow, Russian Federation
Profile
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