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 progress. Together with over 2,300 fellow experts, you enable Fortune 500 firms, global market leaders, and SMEs to maximize the impact of their digital initiatives and achieve digital excellence. In 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
Full-Stack Ownership & Modernization
Take ownership of both backend (Java/Oracle) and frontend development within the project.
Contribute to the transition phase, including knowledge transfer from the external supplier and stabilization of existing systems.
Drive modernization initiatives across the stack — from the legacy ExtJS frontend to the Java/Oracle backend — and address performance bottlenecks.
Actively contribute to architectural decisions spanning backend services and frontend applications.
Software Design & Development
Design, build, and maintain scalable, maintainable, and high-performing software across the full stack.
Design, implement, and maintain scalable, modular, and accessible UI components.
Ensure clean integration between backend services and frontend applications, following API-first and BFF patterns.
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, production-ready features reliably and on time, end-to-end.
Support CI/CD pipelines and containerized deployments (Docker) for backend and frontend.
Ensure high code quality through TDD, code reviews, and automated testing.
Help identify and mitigate technical and operational risks early.
Innovation & Experimentation
Support rapid prototyping and technical validation before full implementation.
Support A/B testing and iterative development.
Stay current with emerging technologies and suggest improvements.
Backend Engineering (Java / Oracle)
Help stabilize a large legacy Java/Oracle application and support its gradual modularization over time.
Develop and maintain Oracle stored procedures and triggers implementing business workflows and logic.
Work with large, complex database schemas (1000+ tables), including schema design and migrations.
Design and implement REST APIs; integrate with internal and external systems.
Build file-processing capabilities (XML, CSV, Excel) and asynchronous workers/background jobs.
Frontend Engineering
Contribute to frontend features, primarily using modern frameworks as part of the roadmap to replace the legacy ExtJS frontend.
Design accessible, responsive UI components.
Optimize applications for performance, accessibility (a11y), and SEO.
WHAT YOU BRING ALONG
Architecture & System Design
Understanding of cloud-native, distributed systems (microservices, DDD, event-driven, micro-frontend architectures).
API-first mindset; experience with API Gateway and Backend-for-Frontend (BFF) patterns.
Familiarity with resiliency, scalability, and observability patterns.
Backend Engineering
Highly proficient in Java SE and modern Java coding principles.
Experience with the Spring Framework (not Spring Boot) — e.g. Spring Core, MVC, and Context.
Experience working on large, complex Java projects with extensive dependencies, using Maven (lifecycle and modules).
Skilled in database modeling (SQL & NoSQL); strong hands-on experience with Oracle (stored procedures, triggers, complex schemas 1000+ tables, migrations).
Proficient with Hibernate and Liquibase.
Builds REST APIs (OpenAPI); experience with event-driven services (Kafka, RabbitMQ, NATS) is a plus.
Frontend Engineering
Strong proficiency in JavaScript and/or TypeScript.
Experience with at least one modern frontend framework (React, Angular, Vue.js, Svelte).
Development of modular, scalable, responsive UI components.
Focus on accessibility (a11y), performance optimization, and SEO.
Prior exposure to ExtJS is a plus, not required.
Quality & Security
Applies OWASP, secure coding, and threat-mitigation practices.
Strong in TDD, unit/integration/E2E testing, code reviews, and static analysis.
Advanced knowledge of Git and version control workflows.
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).
Collaboration & Professional Skills
Strong communication and stakeholder interaction skills.
Ownership-driven, customer-centric mindset.
Ability to learn quickly and adapt to change.
Strong problem-solving and time-management skills.
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
Skills Required
- Highly proficient in Java SE and modern Java coding principles
- Experience with the Spring Framework (Spring Core, MVC, Context) — not Spring Boot
- Experience working on large, complex Java projects using Maven (lifecycle and modules)
- Strong hands-on experience with Oracle (stored procedures, triggers, complex schemas 1000+ tables, migrations)
- Proficient with Hibernate
- Proficient with Liquibase
- Design and implement REST APIs (OpenAPI) and integrations
- Experience with JavaScript and/or TypeScript
- Experience with at least one modern frontend framework (React, Angular, Vue.js, Svelte)
- Design modular, accessible, responsive UI components; focus on accessibility (a11y), performance, and SEO
- Experience processing files (XML, CSV, Excel) and building asynchronous/background jobs
- Apply OWASP, secure coding, and threat-mitigation practices
- Strong TDD discipline and experience with unit, integration, and E2E testing, plus code review practices
- Advanced knowledge of Git and version control workflows
- Hands-on experience with cloud platforms (AWS/Azure/GCP), cloud networking and IAM
- Experience with Docker, Kubernetes, CI/CD pipelines, and containerized deployments
- Experience with monitoring and observability tools (Prometheus, ELK/EFK, OpenTelemetry)
- Familiarity with API-first mindset, API Gateway and Backend-for-Frontend (BFF) patterns
- Experience with event-driven services (Kafka, RabbitMQ, NATS)
- Prior exposure to ExtJS (legacy frontend) to support migration
What We Do
diconium is a digital business transformation partner with a global footprint. We navigate complexity and deliver competitiveness at scale. We are 100% Volkswagen Group company, driving digital excellence in automotive, industrial, and beyond. With 30 years of experience in updating industries, we ensure digital transformation delivers true impact through software, data, and AI. Our clients include multinationals from various industries, including Volkswagen, Stihl, Bechtle, Trumpf, and Zeiss. Present in four of the world's five largest economies across Europe, North America, and Asia, our diverse team of over 2,500 experts brings deep expertise in data & AI, software engineering, integration & testing, cybersecurity, and digital advisory. With our digital business solutions and software-defined products we challenge conventional industry practices and drive technological progress. With everything we do, we strive to update industries and society to build smarter and desirable futures. DI - CON - IUM DIgital | Our heart beats for all things digital. Software, data, and AI are our playground and expertise. eCONomy | We navigate the complexities of today's business environment, transforming technological opportunities into sustainable growth and competitive advantage. IUM | The suffix -ium represents powerful elements in chemistry. We are the binding element between technology and business, strategy and execution, your organization and successful digital transformation. READY TO UPDATE YOUR BUSINESS WITH US? LET'S TALK!
