Senior Platform Engineer - AWS - Team Platform (d/f/m)

What is working at Bettermile like?We mean it when we say “cutting edge” and have a high level of creative freedom in our everyday work You will be surrounded by like-minded, driven, skilled, and highly motivated people who are keen to contribute to successful solutions We mean diversity, and we put it in numbers: 130+ people, 40 languages, 40% female (vs. ø26% in the tech industry), ø33 years of age, and yes, we do have Schlager-Fans among us We have a very supportive and appreciative working environment with a lot of autonomy, a flat hierarchy, and professional growth possibilities We work in a hybrid mode, with weekly team days for better collaboration and nurturing interpersonal connections. When onsite, we work in a modern, kid- and pet-friendly Better Space in the heart of Berlin-Kreuzberg Remote work from anywhere for up to 12 weeks in total per year 30 vacation days in a 5-day/week working model Kindergarten grant and a Company Pension scheme Regular team breakfasts, fitness & wellness classes, company runs, and other events. Fruits, snacks, drinks, and coffee with a variety of milk are a given - but yes, we have them Outstanding flexibility we are proud of – and, of course, the best colleagues in the world! About the Platform Team Every product team's ability to move fast depends on what's running underneath it. The Platform team builds that foundation for Bettermile, from shared infrastructure and authentication to observability, alerting, and developer tooling, so product teams can build, deploy, operate, and secure their products with confidence. The Platform Team's mission is to empower product teams by minimizing their cognitive load, so they can move faster and deliver more business value to our customers. You will be joining a highly impactful role where you will balance hands-on technical execution (approx. 60%) with strategic stakeholder engagement and mentorship (approx. 40%). Our current tech stack: AWS(CDK, EC2, ECS, S3, EventBridge, SQS, Location Services, API Gateway), Pulumi, Kotlin, New Relic, Snowflake, PagerDuty, GitHub, GitHub Actions, GitHub Copilot and Claude Code. You will be taking care ofDriving the evolution and stabilization of our central authentication systems Taking ownership of our infrastructure's observability, scalability, security, and cost-efficiency, in close collaboration with teams and stakeholders Implementing infrastructure-as-code across our ecosystem Providing Mentorship for platform senior engineers, guiding their professional growth, and fostering strong cross-team collaboration Implementing the company vision by championing DevOps culture, and establishing platform engineering best practices across the organization No echo chambers here! You will challenge technical directions constructively and share your insights openly, while always being a team player who fully backs the squad's final decisions You check these boxesDeep proficiency and hands-on experience operating within AWS environment Proven experience leading infrastructure migration projects spanning multiple teams Experience actively mentoring other engineers Security-minded approach to platform engineering Strong background in system operations, specifically with Linux/Unix A proven ability to constructively challenge viewpoints while consistently aligning with the best interests of the organization A strong preference for a hybrid setup that blends remote flexibility with 2 days of on-site collaboration in our Kreuzberg office It is awesome if you also haveExperience with AI workloads, MLOps, AWS Bedrock, Agentcore, or Snowflake Cortex Proven experience leading large-scale infrastructure migration projects spanning multiple teams Fluency in a programming language such as Python or similar AWS certifications Take your chanceBe a part of shaping a fast-growing industry and make an impact from day one. You’ll have the chance to take on responsibility early, with guidance and support f