Full stack developer Jobs in Troisdorf

Job Summary :

We are looking for a highly experienced

Senior Java Full Stack Developer

with strong expertise in designing and developing large-scale, enterprise-grade applications. The ideal candidate will have deep knowledge of Java technologies, microservices architecture, and modern front-end frameworks, along with experience in handling complex system design and high-performance applications.

Key Responsibilities :

Lead and contribute to

large-scale architecture and re-design initiatives .

Drive

end-to-end application development , from design to deployment.

Design and develop

scalable, secure, and high-performance REST APIs .

Implement

microservices architecture , ensuring best practices in design, security, and scalability.

Collaborate with

business stakeholders and architects

to define and enhance technical solutions.

Develop

full-stack applications , including UI, backend services, and integrations.

Ensure adherence to

secure coding practices

and enterprise standards.

Perform

performance tuning, troubleshooting, and optimization

of applications.

Conduct

system performance and validation testing

for scalability and flexibility.

Work on

application integration and distributed systems architecture .

Participate in

Agile development practices

and CI / CD processes.

Required Skills & Experience :

Strong experience in

Java 8+ ,

Spring Framework ,

Spring Boot ,

Spring MVC ,

JPA , and

Hibernate .

Hands-on experience in

RESTful API development

microservices architecture .

Solid understanding of

Java design principles, design patterns, and integration patterns .

Experience in building

multi-threaded and concurrent applications .

Strong knowledge of

RDBMS

MS SQL Server, PostgreSQL, Oracle, MySQL) and

NoSQL

databases (MongoDB, Cassandra).

Experience with

distributed caching mechanisms .

Proficiency in

build tools

like Maven or Gradle.

Experience with

CI / CD tools

such as Jenkins, CircleCI, or similar.

Strong understanding of

HTTP / HTTPS, DNS, SSL protocols .

Experience with

XML parsing, transformation, and XML Schema .

Familiarity with

TDD / BDD practices

and frameworks like JUnit, JMock.

Experience with

cloud platforms

such as AWS, Azure, or Google Cloud.

Front-End Skills (Full Stack) :

Experience with modern frameworks like

Angular (11+)

React .

Understanding of

Micro Front-end architecture .

Ability to integrate UI with backend services and downstream systems.

Architecture & System Design :

Experience in designing

large-scale distributed systems .

Strong understanding of

scalability, resiliency, and high availability (HA / DR) .

Experience working on

greenfield and brownfield projects .

Ability to define

infrastructure requirements

aligned with architectural goals.

Domain (Good to Have) :

Automobile domain experience

Exposure to

Dealer Management Systems (DMS)