Job Description

As part of the expansion of our Data Migration team, we are looking for a Junior Data Engineer to contribute to strategic data migration projects.

You will join a specialized team working on migrations from legacy systems to modern solutions.

You will be coached by experienced engineers and progressively gain autonomy while working on real, high–business-value data.

This role is ideal for someone who enjoys understanding how systems work, solving data puzzles, and learning structured engineering practices in a collaborative environment.

Key Responsibilities

As a Junior Data Engineer – Data Migration, you will:

• Participate in the development of data migration processes under the guidance of senior engineers

• Analyze legacy data structures and help define transformation rules

• Write SQL scripts for data extraction, transformation, and validation

• Contribute to data cleansing and correction activities

• Execute migration dry runs and investigate anomalies

• Implement data quality checks and validation controls

• Collaborate with Business Analysts, DBAs, and product teams to understand data behavior

• Document migration rules and technical decisions

• Gradually contribute to improving performance and reliability of migration processes

Technical Skills

Must-have

• Good knowledge of SQL (joins, aggregations, subqueries)

• Understanding of relational databases and data modeling concepts

• Ability to read and understand existing queries and adapt them

• Interest in understanding complex data and legacy systems

• Basic programming mindset (structured thinking, debugging logic)

Nice-to-have

• Academic or internship experience with SQL Server, Oracle, PostgreSQL, DB2, etc.

• Exposure to ETL tools or data pipelines

• Basic scripting (Python, PowerShell, or similar)

• Knowledge of Git or version control

• First exposure to data quality concepts

Functional Skills and Soft Skills

• Strong curiosity and willingness to learn

• Analytical mindset and problem-solving attitude

• Attention to detail and quality awareness

• Ability to ask questions and challenge unclear data

• Team player with clear communication

• Persistence when facing complex or messy datasets

Profile

• Bachelor or Master’s degree in Computer Science, Data Engineering, or equivalent

• Internship, academic project, or first professional experience in data or software development

• Motivation to learn data engineering and work on long-term technical projects

A subsidiary of the ELCA Group, NEOSIS is a company specialized in the conception, development, commercialization, integration of iPension Suite, a modern and innovative software suite dedicated to pension and social security to the Swiss market.