Senior Backend Developer - CRM Transformation (f/m)
T-Mobile Zobraziť všetky práce
- Bratislava, Bratislavský kraj
- Trvalý pracovný pomer
- Plný úväzok
- Leading hands-on development in the CRM domain transformation - decomposing monolithic Siebel into domain-driven microservices
- Building core backend services for:
- Customer data management and customer 360° view
- Order management and fulfillment orchestration
- Product catalog and configuration services
- Billing integration and account management
- Sales and service process automation
- Developing robust data migration strategies for transitioning from legacy systems
- Implementing event-driven architecture using Kafka for real-time synchronization between CRM domains and downstream systems
- Building high-performance APIs that handle millions of daily transactions across multiple consumer systems
- Ensuring data consistency and integrity across distributed services during the transition period where legacy and new systems coexist
- Collaborating with architects, business analysts, and domain experts to understand complex telco business processes and translate them into technical solutions
- Optimizing system performance, managing database schemas, and ensuring services can scale to handle peak loads
- Expert-level Java and Spring Boot development skills with proven track record in enterprise backend systems
- Deep experience with CRM systems transformation, ideally with knowledge of Siebel, Salesforce, or similar platforms
- Strong expertise in microservices architecture, domain-driven design, and distributed systems patterns
- Solid experience with relational databases (Oracle, PostgreSQL), data modeling, and query optimization
- Hands-on experience with Kafka or similar event streaming platforms for system integration
- Proven track record in legacy system modernization and large-scale data migrations
- Experience with containerization (Docker, Kubernetes) and CI/CD pipelines
- Understanding of telco domain (customer lifecycle, order-to-activation, billing) is a significant advantage
- Strong problem-solving skills and ability to work with complex, ambiguous requirements
- Excellent communication skills to work effectively with both technical teams and business stakeholders
- Self-driven mindset with ability to take ownership of large technical initiatives
- Experience with NoSQL databases for specific use cases
- Familiarity with observability and monitoring tools (Prometheus, Grafana, ELK stack)
- Experience with performance testing and optimization tools
- Knowledge of SAFe, Scrum, or other agile methodologies in large-scale environments
- Experience with API gateway patterns and API management platforms
- Background in DevOps practices and infrastructure as code
- Previous experience mentoring junior developers or leading technical initiatives
- Experience with caching strategies and distributed cache solutions
- Knowledge of contract testing and consumer-driven contracts
- Smartphone: Choose your phone and get a compensation of up to 900 € every 3 years.
- Employee tariff: Use unlimited data, call and text for lower prices for private and business purposes.
- Yearly bonus: You can get a bonus of up to 15% of your annual fixed salary each year depending on the company's success.
- Telekom discounts: Enjoy the most of the lower prices of our products and services for your family and friends.
- Partner discounts: Enjoy lower prices of products and services with our partners.
- Flexible hours: Adapt your work to your needs thanks to the home-office option (according to the agreement with the manager).
- Shares program Shares2You: Become a shareholder of the Deutsche Telekom Group and take advantage of the associated benefits.
- Rest and recreation: Relax with 5 extra days off.
- MultiSport: Sport and relax with your loved ones thanks to the discounted MultiSport card.
- Sick pay: If you are on sick leave for max. 10 days, you can count on an income of 80% of the daily assessment basis.
- uLekára.sk: Take care of your health with free online prevention and consultation with medical specialists for you and your family.
- Healthcare: Take care of your wellbeing with high-quality care for a discounted price with our contractual facility.
- Education and development: Broaden your horizons with our internal T-Univerzita offering a wide range of courses.
- Cafeteria: Choose from a wide range of benefits worth up to 500 € per year - sports and cultural services, health and beauty, holidays or language courses.
- Life crisis support: Is life testing you? We will support you with one-off financial support.
- Psychological consultations: Are you having troubles in your private or professional life? Share your burden anonymously via phone or online.
- Meal contribution: Enjoy a delicious meal with a work-day allowance of 7 €.
- Sabbatical: Sometimes we all need to switch off. That's why, after working for 2 years and upon agreement with your manager, you can take 1 month off to do whatever you need.
- Recreational allowance: Have you been with us for 2 years? A recreational allowance is in your pocket.
- Pension allowance: Get ready for your retirement with a pension allowance after 3 months with us.
- We will assess the information you send us and will get back to you under any circumstances.
- We will contact the chosen applicants and specify the details.
- A job interview is a two-way opportunity to get to know each other better.
- We will inform you about the result of the interview as soon as possible. Successful candidates will receive a job offer.