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: - Web Applications: Webshop, Customer Portal, Backoffice (Angular + Kotlin/Java + AWS Lambda)
• Smartwatch: WearOS / Android
• Mobile Applications: Android / iOS
• Lead and mentor a cross-functional engineering team (backend, frontend, mobile, DevOps)
• Provide architectural guidance, technical mentorship, code reviews, and support best practices
• Develop and maintain scalable systems and software architecture with a focus on fault tolerance and performance
• Drive the design and implementation of middleware solutions to orchestrate communication between internal services, CRMs, and third-party tools
• Manage critical third-party integrations, such as Salesforce and Chargebee, ensuring reliable and seamless operation
• Stay hands-on to drive implementation, remove blockers, set technical standards, and enable execution velocity
• Translate business requirements into clear technical tickets, priorities, and delivery timelines
• Collaborate closely with the CTPO, product managers, operations, and external partners
• Act as a key interface between engineering and the broader business
• Continuously improve code quality, development workflows, and infrastructure reliability
• Own and maintain documentation for technical decisions, architectural patterns, and system integrations

Your Talent

• 6+ years of experience in software engineering, including 3+ years in a technical leadership role managing cross-functional teams (6+ developers).
• Proven success designing and scaling backend systems in cloud-native environments such as AWS and GCP.
• Deep expertise in Kotlin and Java, with extensive hands-on development using Spring Boot.
• Strong background in system design, microservice architecture, and scalable, distributed, event-driven systems.
• Solid understanding of middleware, asynchronous communication, and event-driven patterns.
• Skilled in building and managing complex integrations across third-party APIs, internal services, and CRMs.
• Experienced with PostgreSQL and key AWS services including Lambda, SQS, EventBridge, and API Gateway.
• Proficient in DevOps practices: CI/CD pipelines, Docker, Terraform, and infrastructure-as-code.
• Effective at translating complex business requirements into actionable technical strategies.
• Strong track record in managing technical scope, setting engineering priorities, and aligning stakeholder expectations.
• Familiar with frontend architecture and development workflows, especially with Angular.
• Exposure to mobile development (Android/iOS) and cross-platform fundamentals.
• Nice to have: Initial experience with AI/ML-powered platforms and intelligent applications.

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.