Senior Backend Engineer, Data Platform & ETL/ELT

MainStreaming; Lombardia; On-site; EUR 38,000 - 40,000; Full time

Benefits offered by this job

Breakfast, lunch & snacks

E-Learning platform access

Growth opportunities

E-Learning platform access

Growth path

Job summary

MainStreaming Milano Bicocca is seeking a Backend Engineer to build, maintain and optimize data systems and pipelines that support the organization’s data flow needs within the Data Platform engineering team. You will collaborate with backend/frontend teams to deliver robust data solutions.

You’ll design backend services and APIs, ensure data quality, and contribute to tooling and governance while working with an international team that values craftsmanship and proactive learning.

Qualifications

• Solid knowledge of distributed systems and their design principles.
• Experience in API design and development.
• Strong object-oriented programming (OOP) skills.
• Proficiency in Microsoft .NET and C#.
• Good command of SQL and relational databases.
• Solid understanding of data structures.

Responsibilities

• Build and maintain scalable data pipelines for batch and real-time processing (ETL/ELT).
• Translate existing data models into scalable and efficient implementations.
• Develop, test and optimize code for data ingestion, transformation and loading.
• Design and maintain backend services and APIs that expose data to internal and external consumers.
• Implement validation, monitoring and alerting to ensure data quality and integrity.
• Monitor and troubleshoot data workflows to guarantee system stability.
• Collaborate with Data Architects, Data Scientists, Analytics and backend/frontend teams.
• Ensure best practices through code reviews, testing and documentation.

Skills

Distributed systems

API design and development

OO programming

C# / .NET

SQL & relational databases

Data structures

Real-time / batch ETL

Education

Bachelor's in Computer Science

Tools

Docker

Kubernetes

ClickHouse

Kafka

RabbitMQ

CI/CD pipelines

Job description

MainStreaming Milano Bicocca is seeking a Backend Engineer to build, maintain and optimize data systems and pipelines that support the organization’s data flow needs within the Data Platform engineering team. You will collaborate with backend/frontend teams to deliver robust data solutions.

You’ll design backend services and APIs, ensure data quality, and contribute to tooling and governance while working with an international team that values craftsmanship and proactive learning.