All Services Programming & Development Nikolaos Ballas $15/hr · Starting at $500 Senior Software Developer/Architect with expertise in design and end to end delivery of high transactional systems. Usage of cloud technologies and microservices implementations. About $15/hr · Ongoing Download Resume Senior Software Developer/Architect with expertise in design and end to end delivery of high transactional systems. Usage of cloud technologies and microservices implementations. Skills & Expertise CassandraDesignDeveloperDockerJavaMongoDBRestSoftware DesignSpring BootSpring FrameworkVagrant 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts DesignersMongoDB DevelopersSpring Framework DevelopersJava Developers