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Denis Kadinov

@deniskadinov1

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Accomplished Senior Java Full Stack Developer with 12 years of experience.

United States

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What I'm looking for

I am looking for a role that fosters innovation, encourages collaboration, and offers opportunities for professional growth.

I am a Senior Java Full Stack Developer with over 12 years of experience in architecting and delivering robust, scalable, and secure enterprise applications. My expertise lies in Java, Spring Boot, and microservices-based backend systems, complemented by strong front-end development skills using React, Angular, and TypeScript. I have a proven track record in designing event-driven architectures and implementing cloud-native solutions, which has allowed me to lead teams in delivering high-quality, production-ready solutions.

Throughout my career, I have been a strong advocate for clean code principles and performance optimization. I have successfully led cross-functional teams, developed cloud migration strategies, and mentored engineering teams to achieve their goals. My experience includes building scalable microservices, developing robust REST APIs, and implementing CI/CD automation across various cloud platforms. I am passionate about leveraging technology to solve complex problems and enhance user experiences.

Experience

Work history, roles, and key accomplishments

Current

Senior Full Stack Developer

Current

The Flock

Apr 2024 - Present (1 year 2 months)

Built scalable microservices using Java, Kotlin, and Spring Boot, improving throughput and availability. Developed robust REST APIs with OpenAPI documentation and applied API Gateway for security, routing, and role-based access control. Designed asynchronous flows using Kafka and RabbitMQ to handle event-driven workloads.

Java Kotlin Spring Boot REST APIs OpenAPI API Gateway Kafka RabbitMQ PostgreSQL Oracle CI CD Terraform Jenkins GitHub Actions AWS Google Cloud React TypeScript OAUTH2 JWT IAM Redis MemCached Prometheus Grafana ELK Jira

Senior Full Stack Developer / Team Lead

Wiser Solutions

Aug 2020 - Present (4 years 10 months)

Delivered modern microservices using Java, Kotlin, Spring Boot, and containerized environments. Designed RESTful APIs and documented endpoints using Swagger standards. Secured services with OAuth2, JWT, and Apigee Gateway for fine-grained access.

Java Kotlin Spring Boot Microservices RESTful APIs Swagger OAUTH2 JWT Apigee Kafka Oracle PostgreSQL GraphQL AWS ECS Terraform Helm React Angular Redis MemCached Junit Mockito Jira

Full Stack Developer

Rootstack

Apr 2017 - Present (8 years 2 months)

Refactored monolithic architecture into microservices to support modular development. Built secure REST APIs using Spring Boot, Spring Security, and OAuth2 protocols. Engineered real-time services with Kafka and RabbitMQ, enabling data streaming.

Microservices REST APIs Spring Boot Spring Security OAUTH2 Kafka RabbitMQ Terraform Helm AWS ECS AWS Lambda API Gateway Junit Postman SQL Oracle PostgreSQL Angular Docker Jenkins Sprint Planning

Java Backend Developer

MyTeams

Feb 2014 - Present (11 years 4 months)

Built concurrent backend services with Java, Spring Boot, and Jersey. Designed multithreaded systems for handling high-volume traffic and requests. Migrated legacy infrastructure to AWS, enabling horizontal scalability.

Java Spring Boot Jersey Multithreading AWS BASH Prometheus Grafana Junit SonarQube Agile Hibernate ELK Stack

Java Developer

Akveo Inc

Feb 2013 - Present (12 years 4 months)

Supported development of a Java-based ticketing platform for logistics. Built CRUD operations and user-facing features using Spring and JSP. Tested endpoints using JUnit and Postman for reliability checks.