Senior Software Engineer (C# & Python)

Eneco - Rotterdam

Digital & Tech

> 5 years

€80.000 - €110.000

Solliciteer direct

Shape Tomorrow's Energy Today.
Innovate for Impact
Driving sustainability with Tech

Why choose Eneco?

At Eneco, our One Planet strategy drives our mission to become climate neutral by 2035. We develop smart digital solutions and use innovative technologies to accelerate the energy transition. Our VPP teams support this ambition by building tools that enable efficient energy trading and real-time operations.

What you’ll do

As a Full-Stack Developer, you’ll work on the backend and integrations for our trading dashboard and continuously improve our planning and portfolio optimization tools within the Virtual Power Plant (VPP) domain. You will work with both .NET/C# and Python across systems that integrate market data, asset behaviour, and planning logic. You’ll be part of a cross-functional team, delivering scalable software using technologies such as .NET/C#, Python, Azure, Kubernetes, Kafka, and optionally Vue.js.

Is this about you?

Proven experience with both .NET/C# and Python (must-have)
Experience with Azure, CI/CD pipelines, containerization (Kubernetes)
Proficient with database development (SQL and NoSQL)
Understanding of cloud-native development (Azure preferred)
Experience designing & building scalable and fault-tolerant mission-critical services using event-driven architecture and well-known design patterns
Experience with CI/CD, containerization, Kubernetes, GitOps and microservices
Based in the Netherlands and fluent in English
Strong backend development background and system integration skills
Ability to work in a cross-functional, agile team

Bonus points for:

Experience with Vue.js or similar frontend frameworks
Knowledge of optimization or energy systems
Familiarity with Kafka and real-time data pipelines

You’ll be responsible for

Build and maintain backend services and APIs in .NET/C#
Integrate and extend Python-based optimization and planning tools
Contribute to frontend feature development (preferably with Vue.js)
Ensure performance, scalability, and maintainability of solutions
Collaborate with developers, testers, and product managers
Stay current with modern development practices

This is where you’ll work

You’ll join the VPP Planning team, contributing to energy market optimization and helping define how digital platforms shape Eneco’s sustainable future.

What we have to offer

Gross annual salary between €80.000 and €110.000

Including FlexBudget, 8% holiday allowance, and depending on your role a bonus or collective profit sharing.

FlexBudget

Including FlexBudget, 8% holiday allowance, and depending on your role a bonus or collective profit sharing. Have it paid out, use it to buy extra holiday days or save it up for something nice, it's up to you.

Personal and professional growth

Eneco is fully committed to help you in your personal and professional development.

Hybrid working, at home or in the office

You work 40% at the office and 40% at home. The other day you decide what works best for you.

Want more information about our terms of employment?

Here's what you get from us

Work that works for you and the climate

If you decide on a career at Eneco, you are choosing ambition, growth and opportunities. You will have all the space you want to improve yourself and do your job the way that suits you best, which includes having a good work-life balance. You can work to a flexible schedule and work partly from home if your role allows it.

That is how you can work on your own future and on the future of the world. After all, you and your 4,000 colleagues are committed to our mission: climate neutrality by 2035. We assist customers to accelerate their sustainability efforts, devise innovative solutions and seize opportunities with both hands. Are you ready?

The phases of our application procedure

Application procedure, 1 applying, 2 introduction interview, 3 online assessment, 4 follo-up interview, 5 offer time and 6 congratulations with your new job

Want to know more about this job function?

Contact our Recruiter.

Questions about the application procedure

Feel free to contact our recruiter:

Faisal Faik

Recruiter

Stuur een e-mail

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Senior Software Engineer (C# & Python)