Senior Software Developer (m/f/d) for Kotlin and Java

Senior Software Developer (m/f/d) for Kotlin and Java

Careers at ALMEX

Almex GmbH is a leading solutions and service partner for systems for capturing, validating and processing data. Our technology company is part of the international TRI STAR Group and automates processes in the retail, logistics & food service and public transport sectors.

Our solutions are future-oriented and drive efficiency gains in the service sector as well as in the transport of passengers and goods. As a well-known manufacturer of ticketing and mobile data capture systems based in Hanover, we deliver AI-based and modular system solutions, intelligent self-service terminals and robots focused on sustainability for mobility and security.

We want to grow and are therefore looking for several

Senior Software Developer (m/f/d) for Kotlin and Java

Detailed information

You will independently and quality-consciously develop software for our platform based on the UnifiedPOS standard

You will actively contribute to cross-team communication and support the integration of modules into our existing software landscape

You will design technical concepts and sustainable software solutions for our platforms in the Public Transport sector in a structured and practical manner

You will collect, analyze, and document requirements in technical software development projects in a targeted manner

You will reliably manage and continuously develop our automated build processes based on GitHub and contribute your own optimization ideas

Your profile:

You hold a degree in Computer Science, Computer Engineering, or a comparable qualification

You have strong proficiency in Kotlin and Java and routinely apply both technologies in development

You ideally have experience in C++ and Windows and apply it as needed in a complementary capacity

Unit tests with the JUnit Test Framework are an integral part of your clean and sustainable software development approach

You confidently, purposefully, and supportively use AI tools like Claude and Codex in the development process

You are familiar with network protocols and network services and understand their interaction in distributed systems

Container technologies like Docker, monitoring with Grafana, and microservices architectures are familiar to you

You think analytically, work in a structured manner, and enjoy solving technical challenges

You communicate confidently in German (at least C1 level); you are also proficient in English in a professional context

If you believe you don’t 100% match our job description, give us a chance to get to know you. We are looking for employees who fit with us. Your personality is more important to us than rigid requirement profiles.

What we offer:

• Flat hierarchy – direct contact with decision-makers
• High degree of self-organization and responsibility
• Flexible working hours to support work-life balance, generous home office options according to company agreement, 30 days of vacation & special leave
• Annual development discussions – you receive an individual training budget
• Team events, benefits such as Hansefit, job ticket, "Mein Dienstrad" (My Company Bike), accident insurance
• We are grateful for suggestions for improvement – idea management

ALMEX GmbH

HR Team – Stockholmer Allee 5 – 30539 Hannover
Phone: or -396 – Email: –

#J-18808-Ljbffr