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Senior Software Engineer - Ruby

Itron

Itron

Software Engineering
Budapest, Hungary
Posted on Jul 25, 2025

Itron is innovating new ways for utilities and cities to manage energy and water. We create a more resourceful world to protect essential resources for today and tomorrow. Join us.

Itron DEM (Distributed Energy Management) is an integrated cloud-based demand response, energy efficiency and customer engagement solution. It allows controlling networked devices (such as air conditioning, electric work machines etc.), managing and better matching supply and demand in peak periods.
You would be joining the international DEM team, working with the DEM Development team in an agile methodology. Your focus is developing and maintaining a large Ruby-on-Rails application, and multiple Ruby and Elixir based microservices running on Docker.

The role:

  • We are looking for a motivated senior software developer who is interested in working on a variety of technologies in an open standard platform environment.

  • We are building massively scalable networks to support Smart Cities initiatives. Successful candidates will work with Elixir applications in a production environment that also includes Azure Cloud Computing technologies.

  • Future projects include converging Itron’s top technologies into one cutting-edge solution to power Smart Cities around the world. The result of their work will directly impact the reduction of energy usage globally which will build a more resourceful world.

  • You will be a member of an elite team of developers who will change the way the world lives and uses energy.

Skills required:

  • Minimum 5+ years of full-stack programming experience in at least one of the following technologies Ruby / Python / Java / F#

  • Good understanding of SQL, Linux, Git, Test Driven Development

  • Bachelor’s degree or equivalent experience in an information technology field

  • Proficient English (CEFR C1+ or equivalent)

Skills desired

  • Ruby-on-Rails (ActiveRecord, RSpec)

  • JavaScript, HTML/CSS/DOM

  • Elixir

  • CI/CD (Jenkins)

  • Containerization (Docker)

  • REST APIs (writing/consuming)

  • Experience in Agile methodologies

What we offer:

  • Opportunity to create a more resourceful world by working on the 21st century's biggest challenges: water, energy, and gas

  • Personal development: language courses, soft skills, and technical training (Udemy, Pluralsight, etc.)

  • Benefits: accident and life insurance, private outpatient care support, cafeteria, iPhone with a generous data allowance

  • Strong culture for promoting work-life balance

For decades, Itron has been delivering critical energy and water infrastructure services to customers around the globe--and we're just getting started. Join us and help design the future of resource management!

#LI-JP1 #LI-hybrid

Itron is committed to building an inclusive and diverse workforce and providing an authentic workplace experience for all employees. If you are excited about this role but your past experiences don't perfectly align with every requirement, we encourage you to apply anyway. In the end, you may be just who we are looking for!

The successful candidate's starting wage will be determined based on permissible, non-discriminatory factors such as skills and experience.

Itron is proud to be an Equal Opportunity Employer. If you require an accommodation to apply, please contact a recruiting representative at 1-800-635-5461 or email Accessibility@itron.com.


Itron is transforming how the world manages energy, water and city services. Our trusted intelligent infrastructure solutions help utilities and cities improve efficiency, build resilience and deliver safe, reliable and affordable service. With edge intelligence, we connect people, data insights and devices so communities can better manage the essential resources they rely on to live. Join us as we create a more resourceful world: www.itron.com