Software Engineer (Energy Trading)

We’re seeking a skilled Software Engineer to join our Energy Trading Data&Tech team, where you’ll develop and maintain cutting-edge event-driven applications that power our energy trading operations. This role offers the opportunity to make a direct impact on Sunrock’s trading effectiveness and system reliability while contributing to the future of sustainable energy markets.

Event-Driven Application Development

• Design, develop, and maintain sophisticated event-driven applications for energy trading operations, including PV curtailment and battery trading/control systems

• Build robust and scalable solutions using Faust stream processing library (Python) and Apache Flink (Java)

• Ensure high performance and reliability across all trading applications

System Integration & Data Management

• Consume and process telemetry data from external providers

• Configure and develop Kafka Connect sources and sinks for seamless data integration

• Establish reliable data flow between various components of the energy trading ecosystem

• Build and maintain integrations with European energy market participants

API Development & Services

• Create and maintain RESTful APIs using FastAPI (Python)

• Implement configuration management and other critical business functionalities

• Ensure API performance, security, and scalability

Machine Learning & Algorithm Development

• Collaborate with business teams to optimize and implement advanced trading algorithms

• Develop and deploy new machine learning functionalities on Azure ML platform

• Support data-driven decision making through intelligent automation

Application Observability & Monitoring

• Implement comprehensive logging, metrics, and tracing solutions for application monitoring

• Develop alerting systems to ensure optimal performance and reliability

• Collaborate cross-functionally to maintain system health and performance standards

Required Qualifications

Education & Experience

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related technical field

• Proven experience (>5 yrs) in software development with focus on distributed systems

Technical Skills

• Strong proficiency in Python and Java programming languages

• Hands-on experience with machine learning and optimization techniques

• Expertise in event-driven architecture and streaming frameworks (Faust, Apache Flink)

• Proficiency with Apache Kafka, Kafka Connect, Strimzi, and Kubernetes

• Solid understanding of RESTful API design and development principles

• Knowledge of application observability tools and the LGTM stack (Loki, Grafana, Tempo, Mimir)

Personal skills

• Takes full ownership of the development lifecycle — from initial design to deployment.

• Effective communicator who excels in collaborative, cross-functional environments.

Specialized Knowledge

• Understanding of Dutch Energy Markets (preferred)

• Experience with cloud platforms, particularly Azure

• Familiarity with energy trading concepts and market dynamics

Additional Requirements

• Must be based in the Netherlands

• Passion for energy markets, trading, and sustainability is highly valued

What’s in it for you?

At Sunrock, work is not just about making a difference in the world – it’s also about having fun and enjoying your job! Join our team and benefit from:

✨ Make a Meaningful Impact: Be part of an enterprising and innovative company driving the energy transition forward.

Join Our Vibrant Team: Thrive in a dynamic, fast-growing organization surrounded by passionate and driven colleagues.

Your Ideas Matter: We value your creativity and offer ample space for your own ideas and personal development.

Flexible Work Options: Embrace hybrid working, allowing you to be productive from the comfort of your home or in our inspiring new office in Amsterdam Zuid.

️ Unlimited Time Off: Rest, recharge, and maintain a healthy work-life balance with unlimited holidays.

️ Caring for You: Your health matters! Enjoy a daily lunch and two weekly fitness sessions with a professional trainer.

Competitive Compensation: Receive a competitive salary, pension plan, and participation in our bonus plan.

Commuter Perks: Travel conveniently with an NS Business card or receive a kilometer fee and lease a bike.

Celebrating Together: Work hard and have loads of fun! Join us for annual company outing, drinks, and other fun activities!

Ready to be Unstoppable?

You’ll meet all kinds of people here. 90% of Sunrockers recommend us as a great place to work, and 80% consider us to be inclusive. We celebrate diversity and work to ensure that we’re a place where each individual can thrive in their uniqueness. So whatever your background or identity may be, hit that sunny-looking apply button to learn more about Sunrock and meet our teams.

Join us at Sunrock, where your expertise helps power our collective journey to a sustainable, solar-powered future. Apply today and become a key player in the global shift towards clean energy!

The application process:

• Screening Call: Phone call with our People Team Colleagues

• 1st round: Job interview with other People Team Colleagues

• 2nd round: Job interview with colleagues from the French Team

• Job offer