Software Engineer – Java

Montel

Software Engineer designing and scaling JVM microservices for energy risk tools at Montel. Mentoring peers and driving cloud infrastructure in an international team.

Posted 5/13/2026full-timeHalle • 🇩🇪 GermanyMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

AWSAzureCloudDockerHibernateJavaKafkaMicroservicesMySQLNoSQLRabbitMQSpringSpring BootSpringBootSQL

About the role

Key responsibilities & impact

You will be responsible for the design, development, and maintenance of our microservices and will help expand our products and services for the energy industry
You will work on scalable components that enable our data and software services for the risk assessment of energy assets
You will analyze our legacy components in terms of throughput, latency, security, and reliability, and proactively drive refactorings and rebuilds
You will create POCs that demonstrate the capabilities of JVM technologies and frameworks and contribute your knowledge to the team and the company
You will mentor and coach other developers in pair programming sessions (optional)
You analyze, plan, and develop cloud infrastructures and application architectures (optional)
You design and implement DevOps processes in cloud environments as well as container technologies (AWS, Azure, Docker) (optional)
You develop Continuous Integration (CI) and Continuous Delivery (CD) automation (GitLab)

Requirements

What you’ll need

You hold a degree in Computer Science, Business Informatics, or a comparable field
You have several years of experience as a backend developer
You possess practical programming experience in microservice architectures using Java 8+, Spring Boot, Quarkus, Hibernate, or related JVM-based technology stacks
You have experience with event-driven architectures using RabbitMQ or Kafka
You are proficient in working with SQL and NoSQL databases, preferably MySQL
You have a solid conceptual understanding of OO patterns, domain-driven design, and database design
You see yourself as a mentor and enjoy providing technical coaching
You are confident communicating in German and English and are eager to work in an international environment

Benefits

Comp & perks

Flexible work environment
1 day of remote work without needing to ask
Additional days are possible with prior discussions
Working hours can be arranged flexibly
10:00 a.m.–2:00 p.m. core working hours
Employee benefits beyond the salary
A beautiful office with flexibility to work in different rooms
Small offices with flexibility to work in different rooms
In the center of the town, easily accessible, many restaurants, stores etc.
Meeting spaces, kitchen, balcony
Local core team in a European group

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

Java 8+Spring BootQuarkusHibernatemicroservice architectureevent-driven architectureRabbitMQKafkaSQLNoSQL

Soft Skills

mentoringcoachingcommunicationteam collaborationproblem-solving