JOB DETAILS

(Senior) Go/Golang Software Engineer – Energy Management (all genders)

CompanygridX GmbH
LocationAachen
Work ModeOn Site
PostedMay 18, 2026
About The Company
gridX's mission is to make renewable energy accessible and affordable for all. Our IoT platform XENON enables this by connecting, monitoring and controling any gridX-ready energy asset – solar PV systems, batteries, heat pumps and electric vehicle chargers from over 50 manufacturers – to optimize energy flows, maximize efficiency and flexibility and minimize costs. By partnering with gridX, companies can build, roll out and scale future-proof solutions for home energy management and e-mobility faster and more effectively. Our solution comprises of a robust local gateway, the gridBox, which ensures real-time, stable optimization for advanced use cases, a modular platform with white-label capability and an end-to-end service offering to guarantee an effective go-to-market and successful implementation. gridX was founded in 2016 and now has almost 210 employees across two office in Munich and Aachen. We are active in over 15 countries and work with Europe's most innovative and fastest scaling energy companies, such as E.ON, Fastned, Soly and Viessmann.
About the Role

How you can contribute to gridX

Do stuff that matters - Become part of gridX and help digitalise the energy industry with us, making renewable energy accessible and affordable everywhere. #getshitdone

Join the Energy Optimizer team, which builds a state-of-the-art energy management solution focused on optimizing energy consumption and production in Home Energy Management Systems. 
The Energy Optimizer team is at the heart of our HEMS product and integrates rule-based and advanced optimization techniques for the benefit of our customers. This amazing team is looking forward to working with you as a (Senior) Go/Golang Software Engineer - Energy Management, and making HEMS a cornerstone of the energy transition.
  • You own features end-to-end from conception to implementation to deployment and monitoring on our fleet of IoT devices
  • You review pull requests and collaborate with other developers on improving software architecture, testing and documentation
  • You monitor the risks of tech debt and scaling bottlenecks in our code base and raise issues proactively
  • You oversee our daily operation and push improvements to our internal processes to help us improve quality of service
  • You build software that developers love to maintain and APIs that stakeholders love to use
  • You anticipate and proactively address challenges due to changing customer needs and scaling of the product

This is how you and your application stand out

  • You have 4+ years of experience with distributed software systems and web technologies (REST, gRPC) and with container technologies like Docker
  • You are proficient in at least one modern backend language (e.g. Go, Python, Java; we primarily use Go)
  • You are excited about energy systems and about building an energy management system for the future
  • You are familiar with control and optimisation of physical systems (Plus: In the context of energy or grid management)
  • You know your way around distributed software system design and best practices and you are always looking for ways to share your experience with the other engineers in our team
  • Bonus Points: You ideally bring experience with large IoT fleets (monitoring/observability), a background in renewable energy and open-source, and the flexibility for regular testlab visits in Aachen.

Your strengths

Why gridX

  • Flexible & mobile working: Work remotely for up to 70 days from anywhere in the EU
  • Vacation: 30 vacation days + 0.5 days of special leave for both December 24th and 31st
  • Health & Sports: 30 Euro allowance for Urban Sports Club or E-Gym Wellpass as well as offers for company health management & (Mental) Health Care
  • Personal development: cross-functional coaching, access to e-learning platforms & an annual development budget of 1,500 euros per employee
  • Employee discounts: Access to gridX Corporate Benefits
  • Stay fit and save the planet with our JobRad offer
  • Receive a fair monthly contribution to your company pension plan
  • City travel subsidy: 30 Euros monthly allowance for your monthly/annual ticket
  • Modern workplace in the heart of Aachen and Munich with IT equipment of your choice
  • Relocation Support: We support your relocation to Germany
  • Experience the gridX culture at regular team events and receive an additional 100 Euros per employee for your department event
  • We will donate 20 Euros to a charity of your choice on your birthday
  • Sabbatical option: Take a break from your daily work routine to pursue personal projects, travel, or further education.
*Our benefits differ for 100% remote employment!

About us

We believe in a future where the flexibility of distributed energy resources (DERs) is leveraged to make renewable power reliable and affordable for all!

Spread across Munich and Aachen, our passionate and interdisciplinary team is advancing the digital transformation of the energy industry. Our leading white-label energy management platform, XENON, unlocks grid- and market-optimized control of DERs to lower costs, open up new revenue streams, enable regulatory compliance and maximize value for end users.

Join us transforming Europe’s energy sector with our cutting-edge EMS platform!


Key Skills
GoGolangDistributed SystemsRESTgRPCDockerPythonJavaSoftware ArchitectureIoTEnergy Management SystemsAPI DesignSystem DesignMonitoringObservabilityOptimization Techniques
Categories
SoftwareEnergyTechnologyEngineeringEnvironmental & Sustainability
Benefits
Flexible and mobile working30 vacation daysSpecial leave for December 24th and 31stHealth and sports allowanceCompany health managementMental health careCross-functional coachingE-learning platforms accessAnnual development budget of 1,500 eurosCorporate benefits discountsJobRad bike offerCompany pension plan contributionCity travel subsidyIT equipment of choiceRelocation supportTeam events budgetCharity donation on birthdaySabbatical option
Job Information
📋Core Responsibilities
Develop and own end-to-end features for a state-of-the-art energy management solution focused on Home Energy Management Systems. Collaborate on software architecture, monitor technical debt, and improve internal processes for IoT device deployment.
📋Job Type
permanent employee
📊Experience Level
5-10
💼Company Size
201
📊Visa Sponsorship
No
💼Language
English
🏢Working Hours
40 hours
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