Lead Software Engineer (m/f/d) - Berlin

Your Impact

To support our mission, we’re looking for a Technical Lead to take full ownership of our mobile, web and backend applications, drive architectural decisions, and lead delivery efforts across teams. In this role you will collaborate directly with the CTPO, the Product team, the Operations team, and external partners. You’ll play a key role in aligning system architecture with business goals and creating scalable, resilient solutions. This is a unique opportunity to leave your mark on a meaningful product while mentoring a highly skilled team.

Your Mission

• Take full technical ownership of a modern, multi-platform architecture including:

  • Smartwatch (WearOS/Android)
  • Mobile apps (Android/iOS)
  • Webshop and backoffice portals (Angular + Kotlin/Java + AWS Lambda)
• Lead and mentor a growing team of backend, frontend, mobile, and DevOps engineers
• Design and review scalable system and software architecture
• Translate product needs into technical tickets, priorities, and timelines
• Collaborate directly with the CTPO, product, operations, and external partners
• Stay hands-on where needed to drive implementation, unblock others, and set the technical bar
• Continuously improve code quality, infrastructure, and development processes
• Document architectural and technical decisions
• Manage integrations with external systems like Salesforce and Chargebee

Your Talent

• 6+ years of experience in software engineering, including 3+ years in a technical leadership role guiding cross-functional teams (6+ developers)
• Deep expertise in Kotlin and Java with extensive hands-on experience using Spring Boot
• Strong Android development background, applying Clean Architecture principles across mobile, web, and backend systems
• Proficient in system design, microservice architecture, and building scalable, distributed, event-driven systems
• Solid knowledge of PostgreSQL and AWS services including Lambda, SQS, EventBridge, and API Gateway
• Familiarity with frontend architecture, particularly Angular
• Experienced in translating complex business requirements into actionable technical goals
• Skilled in managing technical scope, setting priorities, and aligning stakeholder expectations
• Strong documentation practices and excellent communication skills
• Sound understanding of DevOps principles and implementation

Our Offer

🧘 Wellbeing:

• Urban Sports Club membership for your fitness
• Family & Friends Coupon for the Patronus watch
• 26 vacation days in the first year, 28 days in the second year, and 30 days from the third year onwards

📚 Learning & Development:

• Annual Learning & Development Budget
• Clearly structured Career Framework for your professional development
• 360-degree feedback sessions for continuous improvement

💰 Compensation:

• Exclusive corporate benefits for your advantage
• Discounts at restaurants near the office
• Freedom to choose your hardware

🏠 Mobility & Flexibility:

• Modern office in the vibrant district of Friedrichshain
• Job Ticket for a stress-free daily commute
• Up to 2 days per week of working from home

🙌 Company Culture:

• Regular company and team events strengthen our sense of community
• Team spirit over elbow mentality – achieving more together
• Contribute to developing a product that offers genuine societal value

The simple way to live safely. We are Patronus.

We are more than just a provider of smart emergency watches. We are true visionaries.

As a modern healthcare start-up from Berlin with strong investors behind us, we are determined to improve the everyday lives of elderly people around the world, to make it safer and more independent.

That's what we achieve with our revolutionary Patronus watch.

Although not recognizable as an emergency device at first glance, it enables users to call for help easily and immediately, anytime and anywhere. This way, we provide an extra dose of safety and we can save lives in the truest sense of the word. However, the Patronus watch itself is only the door opener to develop numerous other groundbreaking products to improve the lives of older people, their relatives and their caregivers. Our vision is to use the enormous possibilities of modern technology to provide the best possible healthcare for our customers. In this way, we contribute to making the healthcare system more effective - and ensure a life worth living.

Sounds like the perfect job for you?
We look forward to your application and to getting to know you!

At Patronus, we are an equal opportunity employer and are committed to fostering a diverse and inclusive workplace. We strive to create a friendly, safe, and welcoming environment for all our employees, regardless of ethnicity, gender, gender identity and expression, sexual orientation, disability and abilities of any kind, physical appearance, social background, marital status, age, or religion (or lack thereof).

In your application, we focus solely on your experience and motivation. You decide which additional information you want to share (e.g., photo, marital status, religion, gender, nationality, etc.). We value and treat all applications equally.

Even if you don’t meet 100% of the requirements, we still encourage you to apply.