Python Developer -SQL

About The Company Stiftung Kirchliches Rechenzentrum Südwestdeutschland is a leading organization dedicated to providing innovative IT solutions and digital services to support the operational needs of church communities and affiliated institutions. Committed to shaping the digital future, the company emphasizes a collaborative and forward-thinking culture, fostering continuous development and technological excellence.

With a focus on reliable, secure, and efficient IT infrastructure, the organization strives to enable its clients to adapt seamlessly to the evolving digital landscape while maintaining their core values and mission.

About The Role We are seeking a highly skilled Python Developer (m/w/d) to join our backend and data engineering team. In this role, you will be instrumental in developing and optimizing data-driven applications that are critical to our business operations.

Your primary focus will be on designing scalable backend services, implementing performant ETL processes, and ensuring the integrity and efficiency of our data pipelines. Working closely with cross-functional teams, you will contribute to the architecture of new data solutions, improve existing workflows, and support the continuous enhancement of our digital document management systems. This position offers an excellent opportunity to work with modern Python frameworks such as FastAPI and Airflow, and to influence the technical stack actively.

Qualifications To succeed in this role, candidates should possess a completed vocational training or comparable professional experience in software development. You should have proven expertise in Python, with several years of backend development experience.

Strong knowledge of SQL, particularly with Oracle and PostgreSQL databases, is essential, along with hands-on experience in designing and optimizing ETL processes. Familiarity with performance profiling and tuning of Python code is highly desirable. Additionally, candidates should demonstrate a structured, analytical, and solution-oriented working style.

Experience with DevOps practices, Docker, GitLab, and monitoring tools like Prometheus and Grafana will be considered advantageous.

Responsibilities Your core responsibilities will include designing, implementing, and maintaining scalable backend services and APIs primarily using Python and FastAPI. You will be responsible for developing and enhancing business-critical ETL processes and data pipelines, ensuring data accuracy and processing efficiency.

Performance optimization of existing workflows will be a key task, involving identifying bottlenecks and applying targeted improvements. You will also develop complex SQL queries and optimize database interactions with systems such as Oracle and PostgreSQL. Ensuring code quality through testing and creating Docker containers for deployment will be part of your routine.

Additionally, you will contribute to the technical architecture of new data solutions and document your work comprehensively within our internal systems. Collaboration with the DevOps team for deployment and operational stability is essential, and you will participate in cross-team knowledge sharing and continuous improvement initiatives.

Benefits Joining our team offers numerous benefits designed to support your professional growth and personal well-being. You will have access to continuous training and certification opportunities to expand your skill set.

Our hybrid work model provides flexibility, allowing you to work remotely as needed. The position offers a secure, permanent employment contract with 30 days of vacation, plus additional paid days off during special occasions such as Christmas, New Year, your birthday, and a half-day on Gründonnerstag. The compensation package is aligned with TVöD Bund standards, complemented by Christmas bonuses, performance-based bonuses, and meal allowances.

We provide social and financial extras including a company pension scheme, asset-building benefits, bike leasing, and free parking facilities equipped with electric vehicle charging stations. Modern technology and workstations ensure an efficient and frustration-free work environment. Our vibrant company culture emphasizes open communication, flat hierarchies, and regular team events like barbecues, outings, summer parties, and holiday celebrations.

Additionally, we promote health through preventive exams, sports programs, and wellness initiatives.

Equal Opportunity

Stiftung Kirchliches Rechenzentrum Südwestdeutschland is committed to fostering an inclusive and diverse workplace. We provide equal employment opportunities regardless of gender, age, ethnicity, religion, disability, or background. We believe that a diverse team enhances our innovation and success, and we actively promote a respectful, supportive environment where all employees can thrive and contribute their unique perspectives.