Languages
SQL, Java, Python, Ruby, JavaScript, HTML, CSS, C++, Go, Bash, C, Clojure, AspectJ, GraphQL
Frameworks
Spring MVC, Spring Boot, Spring Security, JUnit, Hibernate, Spring, Hibernate ORM, JPA, Redux, Ruby on Rails (RoR), Express.js, Next.js, gRPC, Flask
Tools
Git, GitHub, Eclipse RCP, RSpec, Docker Compose, IDEA IDE, PyCharm, Jenkins, Vagrant
Paradigms
Object-oriented Programming (OOP), Unit Testing, REST, Functional Programming, Aspect-oriented Programming, Microservices, Microservices Architecture
Libraries/APIs
REST API, Redux-saga, React, Protobuf, Node.js
Platforms
Linux, Docker, Kubernetes, Amazon Web Services (AWS), Ubuntu, Apache Kafka, AWS EC2, OpenStack, AWS Lambda
Storage
Spring Data, Elasticsearch, PostgreSQL, AWS RDS, NoSQL
Other
Front-end, Back-end, Shell Scripting, Containerization, Containers, AWS, Distributed Systems