Java/Kotlin Software Engineer
Software Engineer
Available for hire
Years of
experience
10+ years
Experience
level
Senior
Available
for
Contract, Freelance
I'm Alberto, a senior Java and Kotlin software developer, with more than 9 years of experience, passionate about writing quality code(big fan of Uncle Bob's Clean Code🧓), enjoying a team of friendly developers and challenging projects.
Skills
Employment History
Java/Kotlin Software Engineer at
Freelancer
Current
2021
-
Now
✅ Integrated Claude Code into the development workflow to accelerate refactoring, test generation, documentation, and code reviews
✅ Integrated LLM capabilities into backend services, designing secure AI interactions and policy-based access to enterprise resources
✅ Writing readable and maintainable asynchronous microservices using Kotlin coroutines, Ktor framework and JetBrains Exposed ORM
✅ Configuring and working with continuous integration tools like Travis and Drone
✅ Monitoring and improving performance of JVM applications using VisualVM and Grafana
✅ Working with events streaming platforms(PubSub with Protobuf)
Software Engineer at
1&1 Internet Development
2020
-
2021
✅ Writing code with different java versions, from 8 to 11
✅ Developing future-proof code, prioritizing clean code and SOLID principles
✅ Working with Docker container systems and Kubernetes container orchestration
✅ Developing REST web services(JAX-RS, Java EE, EclipseLink, Maven)
✅ Handling various kind of tasks: development, investigation, research, performance monitoring
and bug fixing
✅ End to end delivery, coding and automation testing(Selenium with Cucumber)
Software Developer at
ING Bank
2017
-
2020
✅ Coding REST web services(JAX-RS, Spring, Springboot, Maven, JUnit, Mutation testing) working in
a microservices environment
✅ Working with relational databases(Hibernate, JPA, JDBC) and continuous integration tools
(Jenkins, GitLab, GitHub)
✅ Experience with events streaming platforms(Apache Kafka) and message-oriented architecture
(JMS, HornetQ)
✅ Modernizing and refactoring legacy applications based on old technologies and architecture:
SOAP, EJB, JBoss EAP 6.x, monolith structure
✅ Working on bug fixes with difficult reproduction scenarios on legacy code(4000+ lines of code
with low level logic)
✅ Debugging and resolving technical issues, ensuring L3 support for incidents related to our squad's
products, or from releases during on call period
✅ Ability of coordinating big number of changes in a short period of time, being the release manager
for all development teams during production releases
✅ Working on frontend tasks with JavaScript, node.js, AngularJS and jasmine
Education
Bachelor of Computer Science at
Politehnica University of Bucharest
2015
-
2017