Senior Data Engineer - Simon Kucher

The company and our mission: 
Zartis is a digital solutions provider working across technology strategy, software engineering and product development.
We partner with firms across financial services, MedTech, media, logistics technology, renewable energy, EdTech, e-commerce, and more. Our engineering hubs in EMEA and LATAM are full of talented professionals delivering business success and digital improvement across application development, software architecture, CI/CD, business intelligence, QA automation, and new technology integrations.
We are looking for a Senior Data Engineer to work on a project in management consulting.
The project:
Our teammates are talented people that come from a variety of backgrounds. We’re committed to building an inclusive culture based on trust and innovation.
You will be part of a distributed team developing new technologies to solve real business problems. Our client is a global consultancy whose aim is to unlock better growth that drives measurable revenue and profit for their clients. They achieve this by optimizing every level of their client's commercial strategy – product, price, innovation, marketing, and sales – based on deep insights into what customers want and value. 
We are looking for someone with good communication skills, ideally with experience making decisions, being proactive, used to building software from scratch, and with good attention to detail. 
What you will do:
- Designing and building robust data solutions that support strategic business initiatives.- Collaborating with cross-functional teams to define, implement, and optimize data pipelines.- Ensuring the quality, security, and scalability of the systems developed.- Contributing to the overall architecture and development lifecycle.
What you will bring:
- Proficient in Java with Spring Boot, capable of building scalable and maintainable backend services.- Hands-on experience with Python, particularly using PySpark and DataFrame APIs for data processing and transformation.- Working knowledge of Angular; familiarity with React is considered a plus.- Strong experience with PostgreSQL (RDS). Exposure to hybrid architectures involving document databases (e.g., MongoDB) or in-memory data stores such as Redis.
Nice to have:
- Experience with AWS Glue for serverless data integration and ETL workflows.- Proven ability to manage long-running data processes on AWS.- Understanding of serverless architecture patterns and their practical applications.- Experience working with large-scale data processing pipelines and optimizing their performance.- Knowledge of system integration workflows, including managing input and output flows with external client systems.
What we offer: 
- 100% Remote Work- WFH allowance: Monthly payment as financial support for remote working.- Career Growth: We have established a career development program accessible for all employees with a 360º feedback that will help us to guide you in your career progression.- Training: For Tech training at Zartis, you have time allocated during the week at your disposal. You can request from a variety of options, such as online courses (from Pluralsight and Educative.io, for example), English classes, books, conferences, and events.- Mentoring Program: You can become a mentor in Zartis or you can receive mentorship, or both.- Zartis Wellbeing Hub (Kara Connect): A platform that provides sessions with a range of specialists, including mental health professionals, nutritionists, physiotherapists, fitness coaches, and webinars with such professionals as well.- Multicultural working environment: We organize tech events, webinars, parties, and activities to do online team-building games and contests.