Ingénieur Big Data (F/H)

For the sake of accessibility and clarity, terms used in the masculine gender refer to both feminine and masculine genders. Damien, Director of the Data agency, is looking for a Big Data Engineer to strengthen and support the development of his team in Rennes.

You will work as a Data Engineer, participating in the design, development, and operation of data processing pipelines with large volumes in a modern distributed technical environment.

As part of your team:

• You will design, develop, and maintain batch and streaming data pipelines
• You will develop distributed processing using Spark
• You will implement and optimize SQL processing
• You will participate in the implementation and operation of real-time streams using Kafka
• You will contribute to the integration and use of data ingestion tools using Python
• You will develop and maintain components in Java and Shell
• You will use AI tools (code assistants, vibe coding, generation of tests and documentation) to accelerate development and improve pipeline quality
• You will participate in testing, commissioning, and monitoring phases
• You will contribute to ensuring the quality, reliability, and performance of processing
• You will work closely with Data and IT teams within an Agile framework

Technical Environment: Spark, SQL, Kafka, Python, Java, Shell, Big Data environments and distributed platforms, Git and versioning tools

By joining ASI:

• You will build your professional career path with Damien, your manager, and gain access to rich training programs thanks to the “ASI Academy”
• You will develop within a company with flexible internal working models, guaranteed by attentive HR policies (remote work agreement 3 days a week, parental leave agreement, etc.)
• You will become part of various ASI expert communities to share best practices and participate in continuous improvement actions.

You have an education at Bac+4/5 level in computer science, data, or equivalent, and you have a minimum of 3 years of experience in Data Engineering or Big Data projects.

You are proficient in distributed data processing, Spark, and SQL development. Experience with Kafka and data ingestion tools is expected. Java and Shell scripting skills are required.

Your good communication and listening skills will allow you to quickly integrate into the project team.

Autonomous, meticulous, curious, and with good adaptability, you appreciate demanding technical environments and structured projects.

You show a keen interest in artificial intelligence and its integration into data pipelines: exploring use cases (code assistants, automated documentation), understanding tasks related to data quality and preparation for AI models, and actively following industry changes.

With equal qualifications, this position is open to people with disabilities.

Discover our recruitment process on the page dedicated to the candidate journey.

Click on the video below for a preview of our onboarding program.

ASI is a French company specializing in digital technology, with 400 employees with complementary expertise (development, management, change, architecture, data, processes, strategy, marketing, design), distributed across 7 agencies.

As a Company with a Mission, we are committed to fostering the positive impact of digital technology (social, environmental, societal...). Our purpose is directly linked to our commitments: acting for a responsible digital world at the service of humanity. ASI stands for "At Your Service for Impact".

The Rennes agency is the second ASI agency opened in 1997. Located in Cesson-Sévigné, near the metro terminus, our offices host passionate teams working in a friendly and collaborative environment. We look forward to discussing with you over a coffee, a cocoa, or on our terrace when the weather permits.