Senior Java Developer

ARHS Group

Senior Java Developer developing production-grade, enterprise-level systems at Arηs Group. Collaborating in an Agile environment to design and develop microservices and backend systems.

Posted 7/18/2026full-timeRemote • 🇳🇱 NetherlandsSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in Java backend development, particularly with Spring Boot 3 and Vert.X, while effectively applying Agile methodologies within a Scrum team. Proficient in designing microservices, implementing OAUTH authentication, and utilizing CI/CD practices with Kubernetes and Docker.

Highest-signal resume keywords

Java Backend DevelopmentSpring Boot 3Microservices DesignOAUTH AuthenticationKubernetes

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Applicant Tracking System Keywords

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Hard Skills

JavaSpring Boot 3Vert.XREST APIsUnit TestingOAUTHSQL ServerT-SQLSOLID PrinciplesAgile Methodologies

Soft Skills

TeamworkCommunication

Tools & Technologies

KubernetesDockerApache CamelApache NiFi 2.0ActiveMQRabbitMQKafka StreamsTensorFlowAzure DevOpsVue.js

Industry Keywords

MicroservicesEnterprise Integration PatternsScrumCI/CDSecure Coding Practices

Tech Stack

Tools & technologies

ApacheAzureDockerElasticSearchJavaJavaScriptKafkaKubernetesMicroservicesNeo4jNoSQLRabbitMQSpringSpring BootSpringBootSQLTensorflowVue.js

About the role

Key responsibilities & impact

Contribute to the improvement of the development and build process
Design and develop production-grade, enterprise-level systems making extensive use of messaging and microservices
Participate in the Java implementation of a microservices solution, writing reliable, fast, scalable and secure backend code that meets requirements and service level agreements
Write OAUTH authentication mechanisms and implement validation mechanisms as unit and integration tests
Assist with deployment and configuration of the system, including setting up CI/CD pipelines, using Kubernetes and Docker
Work as part of a Scrum team, following Agile procedures and providing work estimates upon request
Write technical documentation, accounting for secure coding practices, logging and auditing features
Communicate clearly and concisely with peers and upper layers of the organisation when needed
Use Git following pull request procedures, writing clean, secure and high-quality code

Requirements

What you’ll need

Minimum 9 years of relevant IT professional experience in Java backend development, at least 3 of which in an Agile/Scrum environment
Minimum education level corresponding to the requested category
Minimum English language proficiency: CEFR B2
Sound knowledge of Java, with hands-on experience in Spring Boot 3 and Vert.X, and provable working experience in Vert.X solutions
Provable working experience integrating TensorFlow and TensorFlow Java bindings
Sound knowledge of REST APIs and microservices design and development, unit testing in Java, and the OAUTH standard and application design, with provable working experience
Sound knowledge of integration and messaging technologies, including Apache Camel, Apache NiFi 2.0, ActiveMQ, RabbitMQ and Kafka Streams architecture, including Enterprise Integration Patterns
Good knowledge of programming on SQL Server databases with T-SQL
Good knowledge of OOP paradigms and SOLID principles
Good knowledge of software development methodologies, in particular Agile
Strong teamwork, communication skills and ability to work effectively within a Scrum team
Nice to have: experience in an international or multi-cultural environment, knowledge of Kubernetes (image creation and optimisation, stateful containers, container and pod lifecycle, Helm Charts, probes, upgrade procedures, persistent volumes), Vue.js, Elasticsearch, Azure DevOps, NoSQL and graph databases (Neo4j), and Dapr.

Benefits

Comp & perks

Employees can work remotely