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Senior Backend Developer (m/f/d) | CRM Data & Insights
(female/male/diverse)
38.5h
Am Europlatz 2
1120, Wien
min. 50000€ brutto/year
Startdate: 8/31/2026
Apply now
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Feel free to contact us.
Eva Pacchiani
+43 2236 600 6283
[email protected]
Senior Backend Developer (m/f/d) | CRM Data & Insights
(female/male/diverse)
As the IT organization of REWE International, we work with more than 700 colleagues to build innovative IT products and services for our business units in Austria and across international markets—setting the pace for modern retail.
We are looking for a Java Backend Developer (m/f/d) who enjoys building robust, scalable backend systems and working with complex, data‑driven platforms. In this role, you will design and implement high‑quality services and APIs, and work with a broad range of business and customer‑related data across different domains.
Using Java and Python, you will develop backend services, process and enrich larger datasets, and contribute to a platform that supports CRM, customer analytics, and operational use cases, as well as spatial and location‑related scenarios where relevant. A key focus is to design solutions that are scalable, reusable, and well prepared for future analytics and AI use cases.
You will collaborate closely with stakeholders across IT and business and support requirements engineering where needed. You will report directly to the CPO and work in a high‑ownership setup without a dedicated team, where initiative, technical excellence, and hands‑on problem solving make a real difference.
JOB DESCRIPTION
You support the full software development lifecycle — from designing and modeling required components to implementing and customizing software solutions.
You build high-performing, scalable backend services using Java (Spring Boot) and/or Python, ensuring technical robustness and long-term maintainability.
Through thoughtful design and continuous optimization, you ensure our IT solutions are future-proof and ready for long-term, international use
Together with your colleagues, you align code architecture and API/interface contracts across teams and products, and document solutions in a clear and traceable way.
You critically evaluate technical decisions and provide constructive feedback on their impact on structure, performance, reliability, and business/systems
You actively contribute to evolving our engineering and quality standards — from clean code practices and automated testing to CI/CD and delivery pipelines.
Working closely with your team, you help drive the technical modernization of our product and platform.
Qualifications
You have a solid technical education (HTL, University of Applied Sciences, or University degree) and minimum 3 years of professional experience in backend development.
Strong proficiency in modern Java (Spring Boot) and building robust, maintainable microservices
You work confidently with RESTful APIs (design, implementation, versioning) and understand how to build stable interface contracts in distributed systems
You have strong experience with relational databases and enjoy working in a data-driven way; you know how to model data, write efficient SQL, and optimize queries
Foundational understanding of event-driven architectures and platform tools (e.g., Kafka, Docker, Kubernetes, GitLab, Liquibase), with a strong motivation to deepen your expertise.
Python skills for data processing and automation are a plus.
You enjoy working in agile teams (Scrum or Kanban) and maintain an open, constructive approach to learning from mistakes.
Analytical and self-driven, with a strong ability to collaborate and deliver production-ready solutions
English: Minimum Level B2 (confident spoken and written communication in everyday work situations)
Additional Information
Long-term, interesting and varied work for a reliable employer in a supportive team
A family-friendly company culture with flexible working hours and remote working options available according to your individual needs
Numerous training and further development opportunities within the Group (5% of working time for self-organized training and education)
Staff shopping and travel discounts
Easy public access and on-site parking
An attractive annual gross salary, market-compliant and performance-related, starting at EUR 50.000 with the possibility of higher pay based on your qualifications and professional experience.
No matter where you are in your career, we have a path for you. Whether you’re looking for your first job, advancement in your field, or a new career shift. We’re proud to employ great people who are passionate about their jobs. But they’re all different. No matter who you are, what you need and where you’re going, REWE Group can be a part of it. Apply now!
Please upload your resume to give us insight of your work experience - anonymously if you like!
We promote a diverse and inclusive work environment. Therefore, we welcome applications from people of different gender, age, cultural or social background, sexual identity and applications from people with disabilities. In addition, we would like to increase the proportion of women in technical professions and are particularly pleased to receive applications from women for this position.
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