Senior Data Migration Engineer (Alfragide/Viseu - Hybrid)

Claranet limited; Viseu; Presencial; EUR 55 000 - 75 000; Tempo integral

Resumo da oferta

Claranet limited in Portugal is seeking a Senior Data Migration Engineer for our Talent Team to design and implement data migration strategies between legacy and target platforms, and to develop ETL/ELT processes for large-scale data movement.

The role requires 5+ years in data engineering or migration, strong DB2 and MongoDB experience, and fluency in Portuguese and English. Hybrid work is available with 3 days onsite in Lisbon or Viseu.

Qualificações

• 5+ years of experience in Data Engineering, Data Migration or similar roles.
• Strong experience with DB2, MongoDB, ETL/ELT frameworks and methodologies, Java.
• Experience working with critical, highly available and high-volume transactional systems.
• Strong understanding of migration testing, data reconciliation and validation processes.
• Excellent analytical and problem-solving skills.
• Fluency in both Portuguese and English.
• Availability to work in a hybrid model (3 days per week onsite in Lisbon or Viseu and 2 days remote).

Responsabilidades

• Design and implement data migration strategies between legacy and target platforms.
• Analyse source and target data models, ensuring consistency, completeness and integrity throughout the migration lifecycle.
• Develop and optimise ETL/ELT processes for large-scale data movement and transformation.
• Support data validation, reconciliation, testing and cutover activities.
• Contribute to coexistence strategies between legacy and modern platforms.
• Ensure migration processes are observable, auditable and automated whenever possible.
• Collaborate closely with architects, engineering teams, operations teams and business stakeholders.
• Identify and mitigate migration risks while supporting rollout and transition plans.
• Contribute to the delivery of a resilient, scalable and secure payments ecosystem.

Conhecimentos

Data Engineering

Data Migration

DB2

MongoDB

ETL/ELT

Java

High-volume systems

Migration testing

Data reconciliation

Portuguese & English

Descrição da oferta de emprego

Alfragide/Viseu, Portugal | Posted on 08/06/2026

We're fast learners, hardworkers, natural collaborators... and we Make Modern Happen !

Our ambition is to unlock thepotential of our digital world so that organisations everywhere can innovateand thrive securely. We aim to achieve this goal by bringing together theworld’s most talented people and the most powerful technologies, combining themto address our customers' challenges and to build something stronger together.

Right now, weare looking for a Senior Data Migration Engineer for a client on ourTalent Team.

Your responsibilities include:

• Design and implement data migration strategiesbetween legacy and target platforms.
• Analyse source and target data models, ensuringconsistency, completeness and integrity throughout the migration lifecycle.
• Develop and optimise ETL/ELT processes forlarge-scale data movement and transformation.
• Support data validation, reconciliation,testing and cutover activities.
• Contribute to coexistence strategies betweenlegacy and modern platforms.
• Ensure migration processes are observable,auditable and automated whenever possible.
• Collaborate closely with architects,engineering teams, operations teams and business stakeholders.
• Identify and mitigate migration risks whilesupporting rollout and transition plans.
• Contribute to the delivery of a resilient,scalable and secure payments ecosystem.

You must have:

• 5+ years of experience in Data Engineering, Data Migration or similarroles.
• Strong experience with DB2, MongoDB, ETL/ELT frameworks andmethodologies, Java.
• Experience working with critical, highly available and high-volumetransactional systems.
• Strong understanding of migration testing, data reconciliation andvalidation processes.
• Excellent analytical and problem-solving skills.
• Fluency in both Portuguese and English.
• Availability to work in a hybrid model (3 days per week onsite in Lisbonor Viseu and 2 days remote).

Niceto have:

• Migration of mission-critical platforms.
• Legacy-to-cloud transformation initiatives.
• Temporary coexistence between legacy and target systems.
• Shadow mode, reverse shadow, dual-run or parallel-run migrationapproaches.
• Progressive rollout strategies and phased migrations.
• Migration automation and observability frameworks.
• Real-time payment systems and high-throughput transaction platforms.

We offer:

• Integrationinto a dynamic and motivated team for the performance of the role.
• Additional training.
• Salarypackage according to the role performed.