Vesselin Beltchev

Independent Software Engineer and Senior Java Developer

Vesselin Beltchev

How can I support you?

Process optimization

With my knowledge of various software architectures, I can take over the optimization of your business processes, e.g. patients' data management for medical practices

Data evaluation & visualization

Gain new insights by automatically reading data from different sources, evaluating it and visualizing it, e.g. data from a research laboratory.

Migration & updating of legacy systems

Do your software systems run on an outdated platform, are they no longer expandable or have excessive maintenance costs due to the use of legacy technologies? I'll bring them up to date and extend their lifecycle.

Testing & Debugging

I would be happy to test your existing system, fix its errors and improve its performance.

Mobile Apps

Do you need a mobile app, either as a core product or would you like to use the data from an external API in your existing mobile app?

Why pick me?

Leverage my 17 years of experience in software development to deliver robust, efficient, and scalable solutions tailored to your needs.

I quickly understand complex problems and deliver practical, efficient solutions that save time and resources.

My focus is on lean applications that deliver powerful functionality while remaining intuitive and easy to use.

I collaborate closely with clients to define clear requirements, ensuring the final software meets your exact needs.

By automating wherever it makes sense, I reduce manual effort, minimize errors, and speed up delivery.

From my perspective, implementation starts with testing, ensuring quality is continuously monitored rather than checked at the end.

Which technologies do I master?

Spring

Hibernate

JSF/JSP

Angular2

Thymeleaf

J2EE

Frameworks

Java (6,8,11,17,21)

Javascript

Python

C/C++

Kotlin

Typescript

Programming languages

Testing

JUnit, cucumber, pact, jMeter, Postman, soapUI, Gatling

Continuous Integration & deployment

Github Actions, Jenkins, K8s, Gitlab, Docker Compose, Kustomize, Helm

Databases

PostgreSQL, MySQL, Oracle, Mongo, ElasticSearch, neo4j

Cloud providers

AWS, GCS, Heroku, Railway

Build systems

Github Actions, Jenkins, K8s, Gitlab, Docker Compose, Kustomize, Helm

Monitoring

Prometheus, Grafana

Virtualization

Docker, Virtual Box, Vagrant

Messaging

ActiveMQ, RabbitMQ, Kafka

Markup

HTML, XSLT, Markdown, Mustache

Which applications am I working on in my free time?

What's my experience?

Do you have an exciting project that you need help with or a challenge that I can solve with a product?

I’m available for freelance projects in Germany (hybrid or remote) and across Europe (remote). I also take on complete product development – from idea to launch. Send me an email or connect with me on LinkedIn!

+491797769522

vesselin.beltchev[et]bouncystream.tech

LinkedIn * GitHub

Contact

Imprint

Vesselin Beltchev

c/o Combinat 56

Adams-Lehmann-Str. 56

80797 Munich

[email protected]

+491797769522

Business owner: Vesselin Beltchev

VAT Number: DE352514497

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