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Oppot2unity is looking for


Senior Java Developer


Your responsibilities

• You specify and design optimal technical solutions and take care about documentation

• You work with established frameworks and platforms (e.g., SAP Commerce, Spring / Boot)

• You help with database modelling and optimization

• You apply modern container and cluster technologies (Docker and Kubernetes)

• You develop innovative and sustainable software solutions with agile methods (Scrum)

• You contribute to continuous improvement of quality in the team and company

• You work closely together with the Product Owner and Scrum Master

• Take ownership of the design, development and maintenance of microservices powering our open platform for the energy and utilities industry

• Work on scalable components performing financial transactions, billing calculations and quotations for millions of energy consumers and metering points

• Analyse our legacy components in terms of throughput, latency, security and reliability and proactively drive refactoring’s and rebuilds

• Create POCs demonstrating the power of JVM technologies and frameworks and act as an evangelist to share your knowledge with the company

• Design and implementation of low-latency, high-availability, and performant applications.

• Build, monitor, troubleshoot, refactor and fix challenging applications.

• Writing reusable, testable, and efficient codes.

• Participate actively in technical discussions and presentations with fellow engineers inside and outside your team.

• Implementation of security and data protection.

• Build on strong fundamentals such as pragmatism and state-of-the-art technology.

• Take end-to-end ownership of your solution from design to release.

• Work with state-of-the-art Java environments and development processes

• Find best solutions for long-term efficiency

• Take over technical and functional responsibility within your team

• Lead technological innovation that serves real-life customers’ needs


Must have

• You have at least 3 years of experience in object-oriented software development with Java and JEE

• You have solid know-how in modern web technologies (e.g., HTML, CSS, JavaScript (ES2015+, Node.js, Vue.js, Yarn, npm, etc.), REST, XML, JSON)

• Your database skills are good (e.g., modelling, SQL) Vous avez envoyé

You have deep knowledge of established frameworks and platforms (e.g., Spring; SAP Commerce is a benefit)

• You enjoy software development, and you are always interested in new developments (e.g., Java, Web, Mobile & Open Source)

• Technical studies related to Software Engineering (or similar)

• Experience with test-driven development, clean code, design patterns, etc.

• Experience with at least two of our main technologies, which include, among others: Java, Apache Spark, Apache Kafka, Cassandra, Lucene, Kubernetes, Git and Jenkins

• Excited to learn new technologies

• Team player with a proactive approach

• You have profound experience as a backend engineer

• You have hands-on coding skills in Microservice architectures using Java 8+, Spring Boot, Hibernate or related JVM-based technology Stacks

• You have a background working with event-driven architectures using RabbitMQ, NATs or Kafka

• You have experience working with SQL and NoSQL databases, preferably MySQL

• You have strong conceptional knowledge of OO-patterns, Domain Driven Design, and database design

• You have strong technical coaching and mentoring skills

• You have experience working with Spring Boot and Apache Camel, which are addressed via REST or message queues.

• You have experience working with APIs from providers like Google Cloud Platform

• You have experience working with applications like Docker containers in a private cloud managed Kubernetes cluster.

• Your English skills are excellent, German skills are a benefit


Nice to haves

• Experience with Google Cloud and Kubernetes

• Experience in developing distributed systems, systems with high demands on performance and reliability

• Have a good understanding of cryptography from a Java perspective

• Are interested in developing yourself further e.g, as a lead developer.


Comment postuler :

Send your cv to this email :

[email protected]

Ville :

Berlin Allemagnes

Nom / Entreprise : Oppot2unity

Email :

[email protected]

Tel / Fax :

+49 (0) 30 38 307700

Adresse :

Turmstr.21 Haus K, Eingang A 10559 Berlin Germany

Site Web :

https://www.opport2unity.com/

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