Your Team We are looking for a Sr. Data Engineer to join our Backend & Data Team - an expert who develops, maintains, and manages data processing pipelines to ensure consistent and efficient data delivery for downstream consumers, such as analytics or machine learning applications. Your playing field at Gini Data Pipelines and Integration: You develop, manage, and optimize data processing pipelines, integrating external data sources for enrichment and ensuring scalability, efficiency, and consistency for downstream analytics or machine learning Database and System Design: You create and maintain data models, schemas, and metadata; ensure databases meet scalability, safety, and efficiency requirements; and collaborate with platform engineering for maintenance Backend Development: You design, implement, and maintain backend services, including architecture design, technology selection, and integration of software patterns, container technologies, and message brokers (e.g., Kafka, RabbitMQ) Team Collaboration: You collaborate with cross-functional teams, mentor junior developers, lead technical discussions, and contribute to team strategy and system improvements while addressing technical debt Quality and Optimization: You proactively troubleshoot, debug, and resolve backend issues; identify performance bottlenecks, security vulnerabilities, and scalability challenges, and support quality improvements Agile and Stakeholder Engagement: You actively engage in agile ceremonies, adapt to changing priorities, estimate tasks effectively, and communicate progress, risks, and challenges with stakeholders Continuous Improvement: You stay updated with industry trends, emerging technologies, and best practices to improve backend systems and align with organizational goals Skills to be successful You have 5 years of experience in backend development, data engineering, or a similar role, with expertise in building and maintaining scalable systems You have strong proficiency in programming languages like Java, Python, Scala or Kotlin, as well as automation and CI/CD practices You possess practical experience with diverse database technologies (e.g., SQL, NoSQL, Cassandra, Elasticsearch, Kafka) and database optimization techniques You are experienced in designing and managing data pipelines, integrating external data sources, and ensuring data scalability and efficiency You are proficient with container technologies (e.g., Docker, Podman) and orchestration platforms (e.g., Kubernetes), as well as messaging systems (e.g., RabbitMQ, Kafka) You excel at troubleshooting and debugging backend systems, addressing performance bottlenecks, and improving system scalability and security You are familiar with agile methodologies, actively participating in sprint planning, stand-ups, and retrospectives, while staying updated on emerging technologies and best practices Your perks You have the choice - Mobile working from home or in our bright office with two spacious roof terraces, according to your needs Flexibility - early bird or a night owl, you have flexible working hours Growing together - further development is crucial, so you will receive an annual budget of €2,500 net and additional days off for your personal and professional development. In addition, we give you one learning day off per month, which you can use according to your development needs Exclusive access to our external coaching pool: enjoy free coaching sessions on topics of your choice 50€ net per month on top - which you can use for childcare, public transport, internet or health courses according to your needs Food allowance - We have an excellent employee restaurant in our office building where you can get delicious food with our allowance of 3€ per day Lots of different team events: we know how important team cohesion is, so we regularly organize team and company-wide events and activities Mobility: On the one hand, we cover the costs of underground parking so that you can get to work comfortably and stress-free by car. On the other hand, we offer our employees the opportunity to lease a JobRad. This allows you to make your commute to work in an environmentally friendly and healthy way and at the same time benefit from tax advantages. State-of-the-art equipment with Apple products: We place great value on modern and powerful technology and therefore offer our employees the latest Apple products as hardware Shared feedback culture with purpose - A feedback-driven culture full of purpose and community. Click on kununu and Glassdoor to find out what our employees and candidates are saying about Gini Sounds like the right challenge for you? Julia Partusch-Asik Recruiter & Dog lover julia.partuschgini.net About us Founded in 2011 Gini is a well-established award-winning FinTech disrupting the banking, accounting, and insurance sector. Our most well-known product is our photo payment software assistant. With this and our other products, we want to enhance everyone’s quality of life - by automating tedious, mindless tasks. What’s special about us: At Gini, we place a high value on self-organization and autonomy, which we integrate into our daily work life with flat hierarchies. Transparency, innovation, and continuous improvement are fundamental pillars in the way we work together. Besides other awards in Gini’s early years, like the “Innovationspreis IT” in 2018, we received the “Top Arbeitgeber 2020” by Focus, "Finance Product of the Year 2022" and "Top Company" of the year 2023 & 2024 by kununu.