• Contribute to the design and building of a fully AWS-native IT architecture, from conceptualization to production, ensuring reliability, scalability, and security.
• Collaborate with product managers and cross-functional teams to translate business requirements into scalable, cloud-optimized solutions, applying cloud-native best practices to enhance both system architecture and code quality.
• Support the end-to-end infrastructure for platform components - from data ingestion to UI layers - by implementing infrastructure-as-code (IaC)  solutions that ensure reliable deployments and system availability.
• Integrate AI-powered tools across both your development workflow and broader business processes - including observability, data analytics, and documentation- staying ahead of emerging AI developments to drive efficiency and share actionable insights with the team.
• Apply security-first principles across our cloud infrastructure to ensure the technical integrity and resilience of our critical systems.
• Enhance system efficiency by implementing and maintaining monitoring, alerting, and observability solutions.
• Proactively identify and help address bottlenecks and areas for improvement in system performance and architecture.

Mandatory requirements

• 2+ years of hands-on experience with AWS cloud platforms, building and managing infrastructure.

• Experience in software engineering, especially in programming and scripting languages like Python or Bash.

• Strong knowledge and experience with AWS services like API Gateway, DynamoDB, Lambda, IAM, ECS, EKS and CloudFormation.

• Experience in supporting containerized applications, orchestration and deployment.

• Solid understanding of cloud-native architecture principles and experience in implementing them for production environments.

• Experience with setting up production CI/CD pipelines

• Solid hands-on experience in creating and maintaining Infrastructure-as-Code using, e.g., Terraform, Pulumi, or CDK.

Skills that set you apart:

• Experience in the energy sector.

• Exceptional analytical and problem-solving abilities, combined with a proactive and solution-oriented mindset that drives impact.

This role may not be a fit for you if…

• You don’t proactively define your own tasks or milestones, and instead tend to rely on other functions to initiate or break down the work needed for delivery

• You prefer working in clearly separated functions and hierarchies

• You thrive in a steady, unchanging environment rather than a fast-paced, ambitious setting driven by rapid growth and high-impact outcomes.

At Flexa, we are committed to diversity - of backgrounds and experiences. You don’t need 100% of the preferred qualifications to add incredible value to our team. If you’re passionate about what you could accomplish here, we’d love to hear from you.

• Virtual Share Options: We offer virtual share options to all our employees

• Professional Development: Annual development budget of 3,000 € for coachings, trainings, books, etc

• Health & Sport Subsidy: Company subsidised sports facilities membership or
  Public Transportation Subsidy: Monthly subsidy for your public transport ticket

• Lunch/Dinner Allowance Vouchers: Allowance for meals on working days as digital meal vouchers

• Work Equipment: MacBook, an ergonomic workplace setup, and company-funded access to leading AI development tools so you always have the best tools available

• Regular Team Events: Knowledge Sessions, Afterwork, Sports, Offsites, Halloween, Pride Month, etc.

• At Lyft (2018–2024), I initially built the in-car middleware system for autonomous driving. Later, my team and I developed the in-house mapping stack—including the routing engine and estimated-time-of-arrival (ETA) system—powering millions of rides.
• At Apple (2016–2018), I led a team in the Special Projects Group focused on autonomous systems.
• At Siemens (2015–2016), I spearheaded software development for a startup within Siemens, creating a hardware/software platform for autonomous electric vehicles.
• Before that, I was a founding member of fortiss, a non-profit research organization in Munich.