Data Engineer (SQL, C#) in London

Data Engineer (SQL, C#) in London

London Full-Time 63000 - 77000 £ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Join our team to develop and validate data migration pipelines using cutting-edge cloud technologies.
  • Company: Global tech leader committed to diversity and innovation.
  • Benefits: Flexible work options, tailored benefits, and continuous learning opportunities.
  • Other info: Be part of a diverse team with a focus on inclusion and personal growth.
  • Why this job: Make a real impact in data engineering while working with brilliant colleagues on exciting projects.
  • Qualifications: Experience in data migration, strong analytical skills, and a passion for cloud technologies.

The predicted salary is between 63000 - 77000 £ per year.

We are seeking a detail-oriented and capable Data Migration Engineer to join our Data & AI practice. The successful candidate will bring solid experience in data migration, ETL/ELT pipeline development, and cloud-based data platforms, with a focus on AWS Data Lakehouse environments. This role is key to supporting the design, build, and validation of data migration pipelines, enabling the successful transition of data from legacy systems to modern cloud platforms. You will contribute to ensuring data quality, integrity, and performance, particularly through structured testing and validation activities.

You will work closely with architects, senior engineers, and analysts to deliver scalable and reliable migration solutions, using technologies such as AWS Glue, Apache Iceberg, Python/PySpark, SQL, and YAML configurations. You should be comfortable working in a collaborative, delivery-focused environment and have a strong interest in data migration, cloud technologies, and modern data engineering practices.

  • Client Engagement & Delivery
    • Support delivery within data migration programmes, contributing to key workstreams
    • Collaborate with architects, engineers, and stakeholders to implement migration solutions
    • Assist in planning and executing data migration tasks and deliverables
  • Data Migration Engineering
    • Build and maintain data migration pipelines from legacy data warehouses to AWS-based platforms
    • Develop ETL/ELT pipelines using: AWS Glue, Python / PySpark, SQL, YAML configurations
    • Support execution of bulk data migrations and incremental/delta loads
    • Assist with pipeline repointing and migration to cloud environments
  • Data Pipeline Testing & Validation (Core Focus)
    • Test ETL/ELT data pipelines on AWS services, including AWS Glue and Apache Iceberg
    • Support validation of data pipeline migrations to AWS Data Lakehouse architectures
    • Test pipelines using: Python/PySpark transformations, SQL-based validation logic, YAML-driven configurations
    • Execute and validate: Initial bulk data loads, Incremental/delta data processing
    • Write and run SQL queries to validate: Data completeness, Data accuracy, Transformation outputs
    • Support development of test scripts and validation checks
  • AWS Data Platforms & Lakehouse
    • Work with AWS services including: AWS Glue, S3-based data lakes
    • Support implementation of Data Lakehouse architectures, including Apache Iceberg
    • Contribute to improving pipeline performance and reliability
  • Data Transformation & Support
    • Apply transformation logic based on defined data mapping rules
    • Support preparation of data for target-state models
    • Assist in ensuring consistency between source and target datasets
  • Collaboration & Best Practices
    • Work collaboratively with: Solution Architects, Data Engineers, Data Migration Architects, Analysts and QA teams
    • Follow established engineering standards and best practices
    • Contribute to documentation and reusable components
  • Quality, Governance & Security
    • Support maintenance of data quality and integrity during migration
    • Follow secure data handling practices
    • Assist with compliance requirements, including: GDPR, Public sector data standards (where applicable)
    • Contribute to testing, validation, and audit activities

What experience you'll bring:

  • Experience in data engineering or data migration delivery
  • Strong focus on testing, validation, and data quality assurance
  • Ability to work across data pipelines and transformation workflows
  • Good analytical and problem-solving skills
  • Effective communication and teamwork skills
  • Willingness to learn and develop in data migration and cloud technologies

Technical Expertise

  • Hands-on experience with: AWS cloud services, especially AWS Glue, Python / PySpark, SQL querying and validation, YAML configuration (desirable)
  • Experience testing or supporting: Data lake / Lakehouse concepts (e.g., Spark)
  • Basic understanding of: ETL vs ELT approaches, Cloud-based data architectures
  • Exposure to version control and CI/CD tools desirable

Join us in building a truly diverse and empowered team.

Data Engineer (SQL, C#) in London employer: NTT DATA

NTT DATA is an exceptional employer that values its employees by fostering a collaborative and innovative work culture in the heart of London. With a strong emphasis on professional development, we offer numerous growth opportunities and training programs to enhance your skills in desktop support and customer service. Join us to be part of a dynamic team where your contributions are recognised and rewarded, making a meaningful impact in the tech industry.

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Contact Details:

NTT DATA Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Data Engineer (SQL, C#) in London

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We think you need these skills to ace Data Engineer (SQL, C#) in London

SQL
Python
Communication Skills
Data Pipeline Development
Data Engineering
Problem-Solving Skills
API Integration

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