ETL Developer / Integration Engineer

About the Job

NexaQuanta is seeking an experienced ETL Developer / Integration Engineer to support a strategic migration programme, moving a large portfolio of ETL processes from SSIS, SQL, and PowerShell to SnapLogic.

This is a hands-on delivery role focused on rebuilding data integrations, improving data quality controls, strengthening error handling, and helping establish scalable integration standards. The role has minimal client-facing responsibility and is best suited to a strong technical practitioner who enjoys solving complex data challenges and delivering reliable ETL solutions.

Responsibilities

• Accelerate the migration of legacy ETL processes into SnapLogic, ensuring minimal disruption to existing data flows
• Design, build, and maintain reliable, scalable, and reusable integration pipelines across multiple source systems
• Introduce robust data quality checkpoints, validation rules, and reconciliation processes throughout the migration
• Improve logging, monitoring, and alerting to support faster issue detection and troubleshooting
• Strengthen error handling and exception management across integration workflows
• Help document and standardise ETL processes, coding conventions, and best practices for the wider team
• Support the wider ETL team through knowledge sharing, peer reviews, and technical leadership
• Rebuild and optimise existing SSIS and SQL-based data integrations for performance and long-term reliability
• Collaborate with technical stakeholders to establish scalable, future-proof integration standards
• Troubleshoot and resolve complex data integration issues independently, with minimal supervision
• Conduct performance tuning of ETL jobs and SQL queries to reduce processing time and resource usage
• Contribute to data modelling and architecture decisions to support the broader migration programme
• Work closely with the project team to track progress, flag risks, and ensure migration milestones are met

Requirements

Essential Skills & Experience

• 5+ years of hands-on experience in ETL Development, with strong, demonstrable SnapLogic expertise
• Strong SQL development skills, including query optimisation and performance tuning
• Solid experience working with SSIS-based ETL pipelines
• Strong PowerShell scripting experience for automation and process control
• Proven data integration and data warehouse experience across multiple source systems
• Good understanding of data modelling concepts and principles
• Strong grounding in ETL architecture, design, and industry best practices
• Practical knowledge of data quality, validation, and reconciliation techniques
• Strong troubleshooting skills and experience with performance optimisation

Nice to Have

• Experience with the Azure Data Platform, including Azure Data Factory and Azure SQL
• Understanding of data governance and compliance requirements
• Prior experience migrating legacy ETL solutions to modern integration platforms

Key Attributes

• Delivery-focused, practical, and results-driven
• Comfortable working independently in a fully remote environment
• A strong, detail-oriented problem solver
• Process-driven, with the ability to document solutions clearly
• Collaborative, while requiring minimal supervision
• Comfortable operating in a fast-paced project environment

What We Offer

• A fully remote, flexible working environment
• The opportunity to work on a high-impact, strategic data migration programme
• Exposure to modern integration platforms and enterprise-scale ETL challenges
• A collaborative, delivery-focused team culture with minimal client-facing overhead
• Competitive contract rate, commensurate with experience
• The chance to shape and standardise ETL best practices across the organisation