Staff Software Engineer (d/m/f)

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Join us on our journey: We are looking for an energetic Staff Software Engineer (d/f/m) with a deep technical understanding and a strategic vision to guide the software development at Flexa. Your strong curiosity to understand the solution space, combined with a pragmatic approach to delivery, will help us achieve our goals. You share our vision and values and are committed to our mission.

Your Responsibilities

1. Drive Strategic Initiatives: Oversee critical technical initiatives and develop a technical roadmap from prototyping to production, in close collaboration with senior leadership, to build Europe’s largest Virtual Power Plant. Key areas include data ingestion and processing, energy management systems (EMS), optimization logic, fleet control, accounting, and settlement.
2. Research and Innovate: Identify emerging technological trends, build proofs of concept, and drive their transition into scalable production systems that create tangible business value.
3. Collaborate Cross-Functionally: Partner across all teams to understand customer and stakeholder needs, stay ahead of industry developments, and ensure the solutions meet current and future demands.
4. Be Hands-on: Guide the team in evolving our cloud-based technology platform. Design and deliver scalable software architectures, and contribute across service development, testing, integration, and monitoring.
5. Advance System Capabilities: Continuously enhance our algorithmic and trading systems for immediate and strategic evolution, optimizing for performance, scalability, and maintainability.
6. Mentor and Enable: Act as a mentor and technical leader, helping team members improve workflows and engineering craftsmanship.
7. Champion Engineering Excellence: Foster a culture of maintainable, high-quality, and iterative delivery practices among engineers and data scientists.

Your Profile

Mandatory requirements

• 6+ years experience in Software Engineering (Backend and algorithmic) in the cloud
• 2-3 years experience with Python, including object-oriented design
• 3+ years experience in onboarding, mentoring, and coaching colleagues
• Proactivity in understanding industry trends and business needs complementary to technical expertise
• Proven track record of pragmatic delivery and strategic project execution
• Experience working cross-functionally, especially with Product and Data Science teams
• Strong communication skills to effectively convey complex ideas
• Ability to work independently on solutions
• Enthusiasm for working in a dynamic, fast-paced environment
• Strategic and analytical thinking skills
• Full professional proficiency in English

Skills to Set You Apart

• Familiarity with AWS cloud platform and services like Lambda, DynamoDB, API Gateway
• Experience in the energy industry

This role may not be suitable if…

• You don’t habitually define your own tasks and expect others to do so
• You prefer working in clearly separated functions

At Flexa, we value diversity of backgrounds and experiences. You don’t need to meet 100% of the qualifications to add value. If you’re passionate, we want to hear from you.

Your Compensation Package and Benefits

• Virtual Share Options for all employees
• Annual development budget of €3,000 for training, coaching, books, etc.
• Company-subsidized sports facilities membership
• Monthly subsidy for public transport
• Meal vouchers for working days
• Work equipment: MacBook or Windows laptop, ergonomic workspace
• Regular team events including knowledge sessions, social activities, and celebrations

A Short Note from Your Future Lead

Dr. Christian Buckl, Head of Software at Entrix & Flexa, shares his journey and vision for the team, emphasizing innovation and collaboration. He highlights his extensive experience in autonomous driving and cloud systems, and invites passionate candidates to join and make an impact.