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Mulesoft Lead Engineer

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NTT DATA

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Location:
United Kingdom , London

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

As a MuleSoft Lead Engineer at NTT DATA UK, you will be responsible for delivering high-quality integration solutions using MuleSoft best practices. You will work collaboratively with cross-functional teams, ensuring that code adheres to SOLID principles and is maintainable. Your role will involve managing data exchange, developing server-side logic, and contributing to technical user stories. You will also support skill development within the team and participate in agile planning. The team you'll be working with: NTT DATA UK is seeking a MuleSoft Engineer to join our growing practice. You will be part of an agile team building digital products, enhancing and developing software components. Your main responsibility will be to deliver clean, maintainable, and well-tested code that adheres to SOLID principles. You will work collaboratively across Quality Assurance, DevOps, and other development teams, sharing knowledge, supporting onboarding, and contributing to code reviews.

Job Responsibility:

  • Deliver high-quality, maintainable code and development outcomes
  • Manage data exchange between backend services, front-end applications, and third-party APIs
  • Develop server-side logic in collaboration with Business Analysts and QA, ensuring requirements are met and code is testable
  • Lead and contribute to technical user stories, focusing on integration and service optimisation
  • Document solutions using diagrams, flowcharts, and clear code comments
  • Ensure compliance with quality standards, including automated testing and code reviews
  • Address non-functional requirements such as performance, monitoring, and operational support
  • Support releases through all development environments, maintaining quality and reliability
  • Contribute to skill development and technology adoption within the team
  • Present technical concepts in demos and participate in user feedback sessions
  • Provide accurate work estimates and support agile planning
  • Balance delivery pace with documentation, test automation, and technical debt reduction

Requirements:

  • Experience delivering integration microservices using MuleSoft best practices
  • Proven ability to write clean, maintainable code following SOLID principles
  • Designing RAML, REST APIs, flow control, and error handling
  • Hands-on experience with the Anypoint Platform (CloudHub, VPC, VPN, DLB, firewalls, and cloud technologies)
  • Securing and managing APIs using API Manager
  • Developing frameworks for error handling and logging
  • Managing the API development lifecycle from design to governance and management
  • Working with batch message processing, Salesforce, file, and database connectors
  • Using MUnit and practising test-driven development
  • Experience with REST, HTTP, MQ, JSON, XML, and SOA
  • Familiarity with CI/CD pipelines (Maven, Jenkins, Bitbucket, Git, MuleSoft)
  • Eligible for SC clearance (requires 5 years’ residency in the UK
  • citizenship is not mandatory)
  • Able to adapt to changing priorities and client needs

Nice to have:

  • Experience working in consulting or public sector environments
  • Experience as a microservices developer
  • MuleSoft certification
  • Degree in a relevant field (e.g. Computer Science, Statistics) or equivalent practical experience
What we offer:
  • Tailored benefits that support your physical, emotional, and financial wellbeing
  • Continuous growth and development opportunities
  • Flexible work options
  • Inclusive work environment with mutual respect, accountability, and continuous learning
  • Inclusion Networks such as the Women’s Business Network, Cultural and Ethnicity Network, LGBTQ+ & Allies Network, Neurodiversity Network and the Parent Network
  • Disability Confident Committed Employer
  • Guaranteed interview for applicants who declare a disability and meet the minimum requirements

Additional Information:

Job Posted:
January 26, 2026

Employment Type:
Fulltime
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