Senior Software Engineer - Java (m/f/d), Munich

About us 

At ATOSS Software SE, we are driving the future of workforce management. With our software solutions, we are helping our customers to work more creatively, intelligently and humanely, revolutionizing and optimizing the interplay between profitability and humanity. With 19 consecutive years of record growth, inclusion in the SDAX and TecDAX, we continue to expand globally. 

The person you are 

At ATOSS, we hire for both character and skill, seeking individuals who embody resilience, a pioneering spirit, and the passion to grow. 

We value those who: 
Think like entrepreneurs – taking ownership, pushing boundaries, and driving impact. 
Challenge the status quo – bringing fresh ideas and bold execution to the table. 
Thrive in change – seeing growth as a lifelong journey, both professionally and personally. 

The Role 

You as a senior software engineer play a critical role in developing and improving the existing products using a variety of state-of-the-art technologies. You will work closely within the development department to foster a culture of agility and continuous improvement. This role requires both strategic vision and hands-on development.

Key Responsibilities:

• Provide architectural guidance to three cross-functional agile teams across locations in Germany and Romania, ensuring alignment on technical strategies and best practices (in line with the architecture board).
• Drive the development efforts to transform our application architecture into a modern cloud-ready solution, emphasizing scalability and maintainability.
• Collaborate with product management to conceive the technical design, functionally enhance our product, and continuously contribute to system optimization.
• Act as a key technical advisor to stakeholders, incl., cloud operations, professional services, and customer service, providing expertise in software solutions and troubleshooting.
• Continuously research and evaluate emerging technologies and engineering trends, especially when it comes to hyper-scalers and user interface, to inform product development strategies and enhance software quality and efficiency.

Key Requirements:

Must-have

• Bachelor’s or Master's in Computer Science, or a related field
• 10+ years of professional experience in software engineering, preferably in developing product lines
• 3+ years of professional experience in a role with significant impact on a software product’s architecture
• Demonstrated expertise in designing and implementing Cloud-native applications based on robust API design principles
• Demonstrated expertise in designing and implementing solutions based on Java and Spring Boot, or Flutter/Dart
• Proven ability to design, implement, and maintain software solutions that enhance user experience and deliver measurable business value
• Exhibit a proactive approach in identifying and pursuing valuable opportunities for innovation and improvement, while demonstrating leadership capabilities to guide teams towards successful execution
• Fluent in English (spoken and written)

Great-to-have

• Experience with Eclipse OSGi or other modularization frameworks is highly desirable. Proficiency in building communication channels using gRPC, and other relevant technologies
• Expertise in Micro-service architectures
• Knowledge in German

Our Benefits

• Competitive Rewards: Including profit-sharing and employee stock program.
• Structured Onboarding & Continuous Development: Clear career paths onboarding through Expert & Leadership Tracks, plus access to ATOSS Academy.
• Flexible Work Culture: Hybrid options (remote within the EU), 30 days of vacation, and a strong commitment to diversity & inclusion.
• Engaging Team Environment: Seasonal company events, team retreats, and an in-house barista.
• Health & Wellbeing: Including regular check-ups, corporate wellness programs, and Wellhub membership.
• Stability & Growth: Company listed on SDAX & TecDAX, with 19+ years of record-breaking revenue and a 30%+ EBIT margin. Certified Top Employer© for the 5th year in a row.
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At ATOSS, great talent knows no limits. We welcome professionals from all backgrounds and empower their growth through an inclusive, skill focused environment.  

Join us and be part of a high-growth, future-focused company!