Senior ETL / Talend Developer

Role Description

We are looking for a Senior ETL / Talend Integration Developer to lead the design, build, and ownership of complex data and system integrations across our technology landscape. This role goes beyond hands-on development and includes technical leadership, architectural input, and mentoring, while remaining a strong individual contributor.

You will play a key role in ensuring our integration platform is scalable, secure, resilient, and aligned to business priorities, working closely with product, engineering, data, and operational teams.

Key Responsibilities

• Senior Level Development & Architecture
  • Lead the design and development of complex ETL pipelines using Talend (DI / ESB / Cloud)
  • Own end-to-end delivery of integration solutions, from requirements through to production support
  • Make and document technical design decisions around integration patterns, performance, and scalability
  • Define and evolve integration standards, reusable frameworks, and best practices
  • Review and approve integration designs and Talend jobs created by other developers
• Data & Integration Ownership
  • Build and maintain integrations across databases, APIs, SaaS platforms, third party providers, and legacy systems
  • Ensure data integrity, reconciliation, and auditability, especially in regulated environments
  • Optimise ETL jobs for performance, reliability, and high data volumes
  • Implement robust logging, error handling, alerting, and recovery mechanisms
• Leadership & Mentoring
  • Act as a technical mentor for mid and junior developers
  • Conduct code reviews and enforce quality standards
  • Support estimation, planning, and prioritisation of integration work
  • Be the go-to technical expert for Talend and integration related topics
• Stakeholder Collaboration
  • Partner with product owners, business analysts, and architects to shape integration solutions
  • Translate business requirements into clear, scalable technical designs
  • Support UAT and production go-lives, including troubleshooting complex issues
  • Communicate clearly with technical and non-technical stakeholders
• Operations & Continuous Improvement
  • Provide 3rd line support for integration issues in production
  • Identify legacy integration risks and drive modernisation improvements
  • Contribute to CI/CD pipelines, deployment automation, and environment management
  • Champion improvements in monitoring, observability, and operational resilience

Qualifications

• 6–10+ years experience in ETL / data integration development
• Strong, recent hands-on experience with Talend (Data Integration, ESB, or Talend Cloud)
• Advanced understanding of:
  • ETL design patterns
  • Data transformation and mapping
  • Batch and near real-time integrations
• Strong SQL skills and experience working with enterprise scale databases
• Proven experience integrating with REST/SOAP APIs, file-based feeds, and third-party systems
• Experience implementing robust error handling, logging, and reconciliation

Requirements

• Experience contributing to integration and data architecture decisions
• Strong knowledge of SDLC, release management, and environment promotion
• Solid understanding of version control (Git) and collaborative development practices
• Appreciation of security, data protection, and compliance requirements (e.g. GDPR)

Benefits

• Fantastic opportunity to work in a growing FinTech environment with excellent career progression available
• Exposure to a wide variety of digital transformation projects
• Investment into the WDX Academy for new and existing employee learning and development
• Opportunity to learn with exposure to multiple complex client needs

Ideal Candidate Summary

A senior, hands-on Talend integration specialist who enjoys solving complex integration challenges, shaping technical direction, and mentoring others—while remaining deeply involved in delivery.

We believe we offer career-defining opportunities and are on a journey that will build awesome memories in a diverse and inclusive culture. If you are looking for more than just a job, get in touch.