Backend Java Engineer (all genders)

Join our global team of experts

At Diconium we do digital business transformation across various industries. As a team member you will work on projects that generate value from software data and AI by delivering strategies and solutions that challenge conventional industry practices and drive technological with over 2300 fellow experts you enable Fortune 500 firms global market leaders and SMEs to maximize the impact of their digital initiatives and achieve digital everything we do we prioritize people and genuine human connections ensuring a supportive and inclusive work environment. And we give you maximum flexibility thanks to our hybrid workplace.

WHAT YOU CAN EXPECT

Software Design & Development

• Design build and maintain scalable maintainable and high-performing backend software.

• Contribute to architectural and design decisions that balance short-term delivery with long-term sustainability.

• Apply best practices in coding security performance and technical debt management.

Partnering with Product & Design

• Collaborate with Product Managers and Designers to validate ideas estimate effort and assess feasibility.

• Balance business needs with technical realities when implementing solutions.

Delivery & Execution

• Deliver high-quality software reliably and on time.

• Support continuous deployment while following the teams release plan.

• Help identify and mitigate technical and operational risks early.

• Contribute to improving developer productivity through better tools processes and workflows.

Innovation & Experimentation

• Support rapid prototyping and technical validation before full implementation.

• Collaborate with design to test and validate solutions.

• Support A/B testing and iterative development.

• Stay current with emerging technologies and suggest improvements.

Backend & Data Engineering

• Help stabilize a large legacy Java/Oracle application and support its gradual modularization over time.

• Develop and maintain complex Oracle stored procedures implementing business workflows and business logic (250 procedures).

• Build and maintain Oracle triggers.

• Work with large complex database schemas (1000 tables) including schema design and migrations.

• Contribute to a large complex Java codebase with an extensive set of dependencies.

• Apply code generation techniques to streamline development.

• Design and implement REST APIs.

• Integrate with internal and external APIs.

• Build file-processing capabilities (XML CSV Excel).

• Implement asynchronous workers and background jobs.

• Write and maintain unit integration and end-to-end tests.

WHAT YOU BRING ALONG

Architecture & System Design

• Understanding of cloud-native distributed systems (microservices DDD event-driven).

• Familiarity with resiliency scalability and observability patterns.

• Knowledge of API-first design integration patterns and data storage choices.

Backend Engineering

• Highly proficient in Java SE and modern Java coding principles.

• Experience working on large complex Java projects with extensive dependencies using Maven (lifecycle and modules).

• Experience with the Spring Framework (not Spring Boot) e.g. Spring Core MVC and Context.

• Builds REST APIs (OpenAPI) and event-driven services (Kafka RabbitMQ NATS).

• Skilled in database modeling (SQL & NoSQL) and caching strategies.

• Strong hands-on experience with Oracle: stored procedures triggers and complex schemas (1000 tables) including migrations.

• Proficient with Hibernate and Liquibase.

• Experience with code generation tooling.

• Experience with file processing (XML CSV Excel) and API integrations.

• Experience building asynchronous workers and background jobs.

• Experienced in profiling debugging and performance optimization.

Security & Quality

• Applies OWASP secure coding and threat-mitigation practices.

• Implements OAuth2 JWT OpenID Connect and SSO.

• Strong in TDD unit/integration/E2E testing code reviews and static analysis.

Cloud DevOps & Automation

• Hands-on with AWS/Azure/GCP cloud networking and IAM.

• Strong with Docker Kubernetes CI/CD pipelines and Infrastructure as Code.

• Experienced with monitoring and observability tools (Prometheus ELK/EFK OpenTelemetry).

Product & Collaboration

• Translates business requirements into technical implementation details.

• Works closely with Product and Design on feasibility and solution validation.

• Uses metrics logs and data to guide decisions and reduce risk.

WHAT WE HAVE TO OFFER

Discover new skills and improve your strengths adapt your working day to your personal lifestyle celebrate community sustainability and diversity. And sweeten your working life with awesome perks and benefits!

Professional & Personal Growth: Develop yourself both professionally and personally through training programs free language courses competence centers and an active tech community.

Flexible Work-Life Balance: Benefit from hybrid work workation flexible hours parental support and sabbaticals.

Embrace Diversity & Sustainability: Engage in our Sustainability Hub diverse communities Diversity Taskforce and after-work activities.

Comprehensive Benefits: Enjoy public transport tickets job bikes access to exclusive Volkswagen employee conditions when leasing or purchasing a vehicle health offers supplementary insurances a pension plan and various discounts.

WHAT WE VALUE

At Diconium we value and recognize the unique perspectives and experiences of each individual. With this in mind we welcome and cherish every single application equally. At the same time we stand up against any type of discrimination and harassment based on gender age skin color religion sexual orientation origin disability gender identity and other protected characteristics.

If you have any questions feel free to reach out.

Your contact person is

Elena

Required Experience:

IC

Employment Type : Full-Time
Experience: years
Vacancy: 1