Senior .NET/C# Engineer - Virtual Power Plant

Eneco - Rotterdam

Software Engineering

3-5 years

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You build the systems that steer batteries, solar and other assets into Eneco's Virtual Power Plant.
You own a business-critical system that runs 24/7 across multiple European markets.
You work hybrid from Rotterdam with .NET/C#, Azure, Kafka and Terraform.

Why choose Eneco?

At Eneco we work towards one clear goal: being fully climate-neutral by 2035. Our One Planet strategy leans on smart digital platforms that make the energy system greener and more flexible.

Our Virtual Power Plant (VPP) brings distributed assets together into one coordinated pool, so even small batteries and rooftop solar can take part in the energy market as part of Eneco's portfolio. Your work helps make that system reliable and scalable, so renewable energy gets used at the right moment. You'll do it in a cross-functional team that shares knowledge, learns together and gives you room to grow.

What you’ll do

You build and maintain backend services and integrations in .NET/C#.
You develop solutions that optimise behind-the-meter assets: large batteries, rooftop solar and other installations on the customer side.
You connect data flows so smaller assets can join the energy market as part of Eneco's pool.
You share on-call duty for a system that runs 24/7 in live energy markets.
You drive Proof of Concepts and partner with architects on system design.
You mentor medior and junior engineers through code reviews and technical guidance.

Is this about you?

You have around 7 years of backend experience with .NET/C# and have built complex distributed systems.
You've designed, owned and evolved high-availability production systems at scale, ideally in real-time or data-intensive domains.
You're at home with event-driven architecture and async messaging (Kafka, Azure Event Hubs or RabbitMQ).
You know your way around Azure, CI/CD, containers (Docker/Kubernetes) and microservices, and you're comfortable with relational and non-relational data.
You're happy taking on-call responsibility in a 24/7 environment, and you enjoy leading cross-functional technical discussions.
You're based in the Netherlands and fluent in English.
Knowledge of energy markets, optimisation systems or aggregation platforms is a real plus, but you can also grow into the domain here.
Recognise yourself in most of this, but not every requirement? We'd still love to hear from you.

You’ll be responsible for

Reliable, scalable backend services that connect distributed assets to our VPP and keep running 24/7.
Solutions that optimise behind-the-meter assets and bring smaller assets into the market as one portfolio.
Technical ownership of components and the architectural decisions around them.
Healthy engineering practice: you tackle technical debt, performance bottlenecks and reliability risks before they bite.
A stronger team: you lift others through reviews, mentoring and shared standards.

This is where you’ll work

You join the BtM (Behind The Meter) B2B and Aggregation team in Rotterdam, working closely with other cross-functional product teams. The team owns two products: a scalable solution that optimises energy flexibility for B2B customers across countries, and the aggregation layer that pools those assets into the Virtual Power Plant. You'll collaborate daily with other .NET developers, testers, product managers and architects, with the freedom to bring in your own ideas and the ownership to see them through.

What we have to offer

Gross annual salary between and

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

FlexBudget

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: home, office or abroad

Work 40% at the office, 40% from home, and 20% flexibly. With manager approval, you may work abroad (within approved countries) up to 3 weeks/year, max 2 consecutively.

Want more information about our terms of employment?

Here's what you get from us

Work Where Everyone Matters

When you choose a career at Eneco, you choose ambition, growth, and opportunity in an environment where everyone matters. You’re given the space to develop yourself and to do your work in a way that suits you. We believe that different perspectives, nationalities, and backgrounds make us stronger, which is why we foster an open, safe and inclusive culture. Naturally, we also prioritize a healthy work-life balance, flexible working hours, and the option to work from home when your role allows it. If you have a physical or sensory disability, we will work with you to find the right adjustments so you can perform your job well.

This is how you build your own future and a sustainable future at the same time. Together with 4,000 colleagues, each with their own talents and ideas, you work on our shared mission: speeding up the energy transition. We help customers become more sustainable faster, create innovative solutions, and seize new opportunities. Will you join us?

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?

Questions about the application procedure

Feel free to contact our recruiter:

Michiel Wiersema

+31610733524

Send an email

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With this job vacancy, we aim to recruit a new colleague for Eneco. Therefore, this is not a solicitation for acquisition.

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Senior .NET/C# Engineer - Virtual Power Plant