Senior Backend Developer

Jobtailor; Deutschland; Remote; EUR 90.000 - 120.000; Vollzeit

Zusammenfassung

Jobtailor is seeking a skilled Java backend engineer in Germany to develop and enhance backend applications using Java and Spring Boot. You will build APIs, microservices, and integrations, while shaping architecture, quality, and security.

The role emphasizes CI/CD practices and strong observability across systems. Requirements include Java 17+, Spring Boot, REST APIs, and experience with distributed systems and messaging.

Qualifikationen

• Strong experience in Java backend development in corporate environments.
• Experience integrating systems and platforms.
• Knowledge of data modeling, APIs, messaging, and distributed systems.
• Experience with DevOps practices, observability, and modern software engineering.
• Ability to participate in architectural discussions and define technical standards.
• Java 17+.
• Spring Boot, Spring Cloud.
• RESTful APIs and OpenAPI/Swagger.
• Microservices architecture.
• Kafka or RabbitMQ.
• PostgreSQL, Oracle, SQL Server.
• Docker and Kubernetes.
• Git, GitHub/Azure DevOps.
• CI/CD (GitHub Actions, Jenkins, or Azure Pipelines).
• Observability (OpenTelemetry, Prometheus, Grafana, ELK).
• Preferred: Event-driven architecture (EDA).
• Preferred: Redis for distributed caching.
• Preferred: MongoDB or NoSQL databases.
• Preferred: Cloud experience (Azure, AWS, or GCP).
• Preferred: API Gateway experience (Kong, Apigee, Azure API Management).
• Preferred: Security knowledge, including OAuth2, OIDC, and JWT.
• Preferred: Knowledge of Angular and Micro Frontends architecture.

Aufgaben

• Develop and enhance backend applications using Java and Spring Boot.
• Build and maintain APIs, microservices, and integrations between systems.
• Develop and maintain solutions involving databases and messaging systems.
• Contribute to the evolution of application architecture, quality, security, and scalability.
• Support CI/CD practices, observability, and other software engineering processes.

Kenntnisse

Java Backend Development

System Integration

Data Modeling

APIs

Messaging Systems

Distributed Systems

DevOps

Observability

Architectural Discussions

Java 17+

Spring Boot

Spring Cloud

REST APIs

OpenAPI/Swagger

Microservices Architecture

Kafka

RabbitMQ

PostgreSQL

Oracle

SQL Server

Docker

Kubernetes

Git

GitHub

Azure DevOps

CI/CD

OpenTelemetry

Prometheus

Grafana

ELK

Redis

MongoDB

NoSQL

Cloud Experience

API Gateway

Security (OAuth2/OIDC/JWT)

Angular

Micro Frontends

Tools

Git

GitHub

Azure DevOps

OpenTelemetry

Prometheus

Grafana

ELK

OpenAPI/Swagger

Azure

AWS

Jobbeschreibung

• Develop and enhance backend applications using Java and Spring Boot
• Build and maintain APIs, microservices, and integrations between systems
• Develop and maintain solutions involving databases and messaging systems
• Contribute to the evolution of application architecture, quality, security, and scalability
• Support CI/CD practices, observability, and other software engineering processes

Requirements

• Strong experience in Java backend development in corporate environments
• Experience integrating systems and platforms
• Knowledge of data modeling, APIs, messaging, and distributed systems
• Experience with DevOps practices, observability, and modern software engineering
• Ability to participate in architectural discussions and define technical standards
• Java 17+
• Spring Boot, Spring Cloud
• RESTful APIs and OpenAPI/Swagger
• Microservices architecture
• Kafka or RabbitMQ
• PostgreSQL, Oracle, SQL Server
• Docker and Kubernetes
• Git, GitHub/Azure DevOps
• CI/CD (GitHub Actions, Jenkins, or Azure Pipelines)
• Observability (OpenTelemetry, Prometheus, Grafana, ELK)
• Preferred: Event-driven architecture (EDA)
• Preferred: Redis for distributed caching
• Preferred: MongoDB or NoSQL databases
• Preferred: Cloud experience (Azure, AWS, or GCP)
• Preferred: API Gateway experience (Kong, Apigee, Azure API Management)
• Preferred: Security knowledge, including OAuth2, OIDC, and JWT
• Preferred: Knowledge of Angular and Micro Frontends architecture

Core Competencies

Demonstrates expertise in Java backend development, including proficiency in Spring Boot and microservices architecture. Capable of integrating systems, maintaining databases, and supporting CI/CD practices while ensuring application quality and security.

Highest-signal resume keywords

• Java 17+
• Spring Boot
• Microservices Architecture
• CI/CD (GitHub Actions, Jenkins, or Azure Pipelines)
• Kafka or RabbitMQ

ATS Optimization Keywords

Hard Skills

• Java Backend Development
• API Development
• Data Modeling
• Messaging Systems
• Observability
• Event-Driven Architecture
• Redis
• PostgreSQL
• Docker
• Kubernetes

Industry Keywords

• Microservices
• Distributed Systems
• Cloud Experience
• API Gateway
• Security Knowledge

Tools & Technologies

• Git
• GitHub
• Azure DevOps
• OpenTelemetry
• Prometheus
• Grafana
• ELK
• OpenAPI/Swagger
• Azure
• AWS