Server side developer

Vortex Energy is looking for a talented Server side engineer to join its growing R&D team! Vortex Energy is building smart IoT solutions for saving energy for big consumers.


Vortex Energy is a small but founded startup company, located in Industrial park Hasharon, Kadima.

Position Overview

As a server engineering, you will be responsible for building mission critical applications that run on customer sites, and cloud application.

You will develop energy-saving algorithms, integration with 3rd party equipment, write your own solution architecture and integrate the solution on customer site.

Your daily work will include

  • Writing the solution architecture using flow charts, sequence diagrams and other UML methodologies.
  • Working with cutting-edge technology (Java, Spring, Cloud, IoT devices)
  • Writing energy algorithms according to the specification
  • Integration with 3rd parties
  • Validate the solution together with the QA team
  • Writing automation and complex integration tests


  • Team player, yet with the ability to work independently
  • Out of the box thinker
  • 3 + years in Java development
  • Understanding and experience with SQL DBs
  • Experience writing REST services

A plus

  • Client-side development (Javascript, HTML, Angular)
  • Familiarity with AWS cloud environment
  • Familiarity with Modbus, M-Bus protocols
  • Familiarity with TCP, RS232, RS485 communications channels and protocol
  • No-SQL DB experience


  • Java, Junit, Maven, IntelliJ
  • Application server: Spring Boot application on top of Apace Tomcat
  • JPA, Hibernate, Liquibase
  • Server-Client communication: MQTT broker and client, HTTP RESTful services
  • Relation DB: Postgres, SQLite
  • Cloud: AWS, EC2, Elastic Beanstalk, RDS and more

Vortex Energy is an outsourcing "energy Supplier'. We provide energy management for institutions through smart energy and energy efficiency projects in a variety of different funding way according to customer requirement.