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Principal Integrations Engineer

Aztec Group · London, United Kingdom · Onsite

  • Senior
  • Office in London
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This is a senior-level technical engineering role within the Markets Technology Services team. The Principal Integration Engineer will play a central role in delivering and supporting enterprise-grade integrations across Aztec’s private markets application landscape — including eFront, Yardi, Medius, Databricks, and key reporting, analytics, and investor services platforms.

Using a modern Microsoft and MuleSoft-based integration stack — including C#, .NET, SQL, SSIS, Azure Data Factory, Azure Integration Services, and the MuleSoft Anypoint Platform — you will develop secure, scalable, and maintainable integrations that underpin Aztec’s high-touch, high-tech operating model.

This is a hands-on role with strategic importance in delivering automation, straight-through processing, and enterprise data sharing at scale

Key responsibilities:

Integration Development & Delivery

  • Design, build, and maintain high-quality integration solutions using C#/.NET, SQL Server, SSIS, Azure Data Factory, Azure Integration Services, and MuleSoft
  • Develop APIs, reusable connectors, and pipelines across systems such as eFront Invest/Debt, Yardi Voyager, Medius, Databricks, and structured reporting environments
  • Support both real-time and batch integrations for business-critical processes across investor onboarding, fund accounting, cash processing, and reporting

Client Connectivity & Data Exchange

  • Deliver secure, scalable client data exchanges through:
    • SFTP for scheduled extracts and uploads
    • Delta Data Sharing (DDS) via Databricks
    • RESTful APIs for direct client system integrations
  • Configure and support industry specific third-party data exchange platforms such as GoConnect and Atlas, aligning with Aztec’s standardised data model and client delivery framework

Integration Platform Support

  • Design and maintain MuleSoft APIs, flows, and reusable components via Anypoint Studio
  • Administer API Manager, monitor platform health, and enforce security policies aligned with enterprise architecture standards
  • Collaborate with solution architects and enterprise architects to ensure alignment with broader integration architecture and roadmap

Cross-Team Collaboration

  • Work collaboratively with:
    • Integration engineers across the wider Technology department to ensure consistency and reusability
    • Application and platform owners across Markets and Enterprise services
    • Data and reporting engineers to deliver integration-enabled data pipelines and automation

Operational Support & Documentation

  • Provide Level 2/3 support for integration incidents and system interoperability issues
  • Maintain and enforce technical documentation and support procedures for all integrations under your remit
  • Ensure adherence to Aztec’s standards for security, audit, and regulatory compliance (e.g. GDPR, ISO27001, SOC2)

Skills, Knowledge, and Experience

Essential

  • 5+ years’ experience in integration development, preferably in an enterprise environment
  • Hands-on experience with MuleSoft Anypoint Platform (API design, API Manager, DataWeave transformations, RAML/Swagger specifications)
  • Good understanding of integration design patterns (API-led connectivity, synchronous/asynchronous messaging, batch)
  • Proven experience developing secure, scalable integrations between SaaS, on-prem, and cloud-based systems (e.g., eFront, Yardi, Investran, Quantios)
  • Familiarity with DevOps practices and tools (e.g., Azure DevOps)
  • Knowledge of data formats and standards (JSON, XML, CSV, SOAP, REST, GraphQL)
  • Understanding of security best practices (OAuth2, JWT, TLS/SSL, API gateways)
  • Strong working knowledge of:
    • C# and .NET
    • SQL Server and T-SQL
    • SSIS, Azure Data Factory, Azure Integration Services
    • Git for source control and CI/CD collaboration
  • Experience integrating or supporting data exchange with:
    • Accelex (for portfolio data extraction)
    • eFront Invest and FIS Investran ( fund accounting)
    • Quantios / TrustQuay (entity management and company secretarial systems)
    • Workiva (financial reporting and controls)
    • Anaplan (for complex waterfall modelling and financial forecasting) 
  • Backend database knowledge of eFront Invest — including table structure, relationships, and data lineage — would be a significant advantage.

Personal Attributes

  • Logical and methodical approach to integration design and problem-solving
  • Comfortable navigating complex business domains and translating them into robust technical solutions
  • Collaborative, proactive, and capable of engaging across stakeholders with varying technical knowledge
  • Highly delivery-focused and able to manage multiple priorities in a fast-moving environment

Qualifications

  • Bachelor’s degree in Computer Science, Information Systems, or a related discipline
  • MuleSoft certification (e.g., MuleSoft Certified Developer – Level 1)
  • Exposure to enterprise architecture frameworks (e.g. TOGAF) and security standards is beneficial
  • Certifications in relevant tools, platforms, or cloud services (e.g., Azure, API/middleware platforms) are an advantage

This role provides an opportunity to lead the evolution of Aztec’s technology landscape, driving innovation and operational excellence in a fast-growing, client-focused environment. As Enterprise Solution Architect, you will have a significant impact on Aztec’s digital transformation journey, shaping the future of financial services technology