Hire the Best Apache Kafka Developers in Vilnius, LT
Vilnius, Lithuania
I help companies build and improve Java backend systems, API integrations, and scalable product architecture. With 13+ years of experience, I work with startups and established companies on backend development, third-party integrations, architecture decisions, and long-term product improvement. I’m a good fit if you need to: - build or extend a Java backend application - integrate external APIs, payment providers, or third-party services - improve architecture in an existing product - optimize performance, reliability, and database queries - estimate technical scope before development starts - AI features such as RAG, vector search, or LLM integrations to an existing backend Core stack: - Java, Kotlin - Spring Boot, Spring MVC, Spring Security, Spring Data, Hibernate, JPA, jOOQ - PostgreSQL, MySQL, MongoDB, Oracle REST APIs, SOAP, backend integrations - GitLab, Bitbucket, Jenkins, Fastlane I also work with AI backend integrations, including Spring AI, MCP servers and tools, OpenAI/Groq/OpenRouter integrations, embeddings, vector databases, and RAG architecture. Feel free to message me if you need a backend architecture review, API integration estimate, or help with improving an existing Java product.
- Apache Kafka
- PostgreSQL
- Hibernate
- SQL
- Java
- AngularJS
- MongoDB
- Spring Data
- Spring Boot
- Spring Framework
- Software Architecture & Design
- Spring Cloud
- Apache Tomcat
- AI Bot
- Spring Security
- MySQL
- OpenAI API
- Payment Gateway Integration
- Google APIs
Vilnius, Lithuania
I am an experienced full stack web developer with focus on back-end technologies. My stack and skills: - Java, Spring Boot, Micronaut - Apache Kafka, IBM MQ - Typescript / JS - Express.js - Vue3 - Cloud deployment, Kubernetes - Microservice architecture - MSSQL, PostgreSQL, Firebase (design, management, integration)
- Web Development
- Java
- JavaScript
- TypeScript
- Cloud Application
- ExpressJS
- Vue.js
- Spring Boot
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