Senior Java Engineer - Berlin based

At Humanoo, we're building technology that's smart, scalable, and genuinely human. As our Senior Backend Engineer (Java), you'll be at the heart of shaping the backend systems that power our digital health and wellbeing platform. Your work will enable personalised, data-driven experiences for thousands of users striving to lead healthier, more balanced lives every day.

In this role, you'll design, build, and optimise backend microservices that support our mobile app and HealthOS platform. You'll collaborate closely with product managers, QA engineers, and fellow developers in a cross-functional team, taking ownership of the full feature lifecycle - from design and development to deployment, monitoring, and iteration.

This is an opportunity to build meaningful technology that impacts real people while working with modern architecture, clean code, and a team that values craftsmanship and collaboration., * Develop and maintain scalable backend microservices in Java (Spring Boot) to support our health and wellbeing platform.

• Design and implement systems that deliver personalised user experiences and reliable integrations with our partners.
• Take end-to-end ownership of features - from concept, coding, and testing to deployment and operations.
• Contribute to architectural discussions and technical standards through our backend guilds.
• Collaborate with product owners to refine technical solutions and continuously improve platform performance.
• Work in an Agile environment with CI/CD and multiple deployments per day., Initial screening with our Talent Acquisition Partner (30-45 minutes) plus a brief asynchronous coding challenge.
• Technical assessment task - completed online via the Assessment platform.
• System design interview with our CTO and one of our Engineering Managers (60 minutes).
• Values interview with our Chief Product and Growth Officer (30 minutes).

After the interviews, our hiring team conducts a final debrief before sharing detailed feedback and next steps.

• Minimum 4-5 years of experience in software development with Java and Spring Boot (mandatory).
• Solid understanding of microservices architecture and distributed systems.
• Experience with AWS, Git, and Docker.
• Sound object-oriented design and clean coding principles.
• Familiarity with Maven and Hibernate is a plus.
• Comfortable working in Agile teams and participating in frequent deployments.
• Knowledge of event-driven architectures or Kubernetes would be beneficial.

A sneak peek into your benefits: * Additional health insurance coverage for 900 EUR per year * 30 days of remote work allowance * Up to 33 days annual vacation allowance (28 base days, + yearly tenure bonus up to 3 days, + 2 days for using the Humanoo app!) * Subsidy for your UrbanSportsClub membership * 70 EUR monthly cashback to cover daily expenses * 500 EUR yearly personal learning and development budget * Self-development days allowance (workshops, conferences, training sessions etc.) * Team events and company events * Referral bonus for employees * Corporate benefits * Humanoo for Humanoos! * Employee Assistance Programme (EAP) for mental well-being Please note: our offices close over the Christmas and New Year period for approximately two weeks. We gift the 24th and 31st December as extra vacation days and any additional non-public holiday days during this time will be taken from your annual leave. What we stand for: * Customer First: We create meaningful, human connections to improve outcomes for our customers and our communities, powered by our world-leading technology, collective ingenuity and culture of caring. * Embrace Change: We challenge the status quo, experimenting and taking calculated risks to differentiate ourselves from our peers and deliver consistently leading results. * Grow Together: We welcome everyone to bring their whole self to work, appreciating our uniqueness and always standing together as one team., HUMANOO is an automated Digital Corporate Wellness Solution for corporations and insurance worldwide that helps people lead healthier lives. Humanoo helps users improve physical and mental health by offering customised, on-demand programmes for fitness, yoga, mindfulness, sleep, and nutrition. Humanoo's pioneering vision allows users to be rewarded for health activity through monetary and non-monetary rewards, leading to sustained engagement and study-based health improvement. More than 1500 companies in over 10 countries are already successfully using Humanoo to make their employees and clients healthier and more productive. TK, Coca-Cola, Axel Springer, Korian, Nürnberger Versicherung, and CSS are only some companies using Humanoo.