Interim Software Development Engineer in Test

2 weeks ago


London, Greater London, United Kingdom The Consultancy Group (London) Full time

We are seeking a highly skilled Software Development Engineer in Test (SDET) with expertise in Test Automation, Behaviour-Driven Development (BDD), Dataset Generation, and Agile methodologies. As an Integration Tester, you will play a critical role in ensuring the quality and accuracy of our data integration solutions. You will work closely with cross-functional teams, including developers, business/data analysts, and stakeholders, to drive effective testing strategies that deliver high-quality data integration solutions supporting our business operations.

£5-700 Inside IR35

Key Responsibilities:

  • Develop and execute comprehensive test plans, test cases, and test scripts to validate data integration solutions, focusing on data integration pipelines using Azure Integration Services.
  • Create automated integration and acceptance test suites to ensure microservice components conform to expected definitions and behaviors.
  • Utilize BDD methodologies to define test scenarios based on acceptance criteria in collaboration with business stakeholders.
  • Design and generate realistic datasets to validate the accuracy, integrity, and performance of integration solutions.
  • Conduct end-to-end testing of Data Integration Pipelines and APIs to ensure functionality, usability, and adherence to technical and business requirements.
  • Collaborate with developers and business analysts to identify, isolate, and troubleshoot issues in data integrations.
  • Work with product owners and other stakeholders to understand and validate requirements, ensuring they meet business needs.
  • Ensure data flows correctly from/to operational systems using native application interface technologies (REST, GraphQL, SOAP, SQL, etc.).
  • Verify that data transformations conform to canonical data model definitions and required schemas.
  • Ensure data flows according to success and failure scenarios.
  • Adopt a DevOps approach to software; create high-quality code using traditional software practices such as building, linting, unit and integration testing, source control, CI/CD, peer reviews, etc.
  • Participate in Agile development methodologies by contributing to sprint planning, daily stand-ups, and retrospectives.
  • Mentor and guide team members, fostering a culture of knowledge sharing and continuous improvement.
  • Contribute to the development and enhancement of integration testing strategies, frameworks, and tools.

Knowledge and Experience:

  • Proven experience as an SDET, focusing on data integration, specifically using Azure Data Integration Services.
  • Experience with Azure technologies: Data Factory V2, Function Apps, Logic Apps, Service Bus, Event Grid, API Management, Storage Account, SQL Database.
  • Proficiency in C# .NET 8 using Visual Studio 2022.
  • Strong understanding of Azure Function Apps, including Durable Functions and patterns like Function Chaining, Fan Out/Fan In, Async API, Aggregator.
  • Familiarity with batch and near real-time integrations.
  • Expertise in testing Distributed Systems and Microservice architecture.
  • Experience with Publish/Subscribe via Azure Service Bus Topics and Subscriptions.
  • Proficiency with application interface technologies including REST, GraphQL, SOAP, SQL.
  • Strong skills in BDD techniques, tools (using SpecFlow), and frameworks.
  • Extensive experience with automated integration (L2), system (L3), and user acceptance testing (L4).
  • Proficiency in API testing using tools such as Postman.
  • Strong understanding of software development practices, including SOLID principles, functional and object-oriented programming, structuring code, testing, IOC, and dependency injection.
  • Experience with Azure DevOps Repositories, Pipelines, and Artifacts (git, multistage YAML, NuGet).
  • Ability to effectively test, validate, and verify data integrations against business requirements.
  • Proficiency in dataset generation techniques, SQL querying, and data manipulation.
  • Excellent analytical skills and attention to detail, with the ability to identify data inconsistencies, anomalies, and discrepancies.
  • Experience working in Agile development methodologies such as Scrum or Kanban.
  • Strong communication and collaboration skills, with the ability to interact effectively with cross-functional teams and stakeholders.
  • Proactive mindset with a passion for continuous learning and staying abreast of the latest trends and advancements in testing technologies.
  • Excellent written and verbal communication skills.
  • Minimum of 3 years of experience as an SDET.
  • Demonstrated ability to manage competing pressures and deadlines while maintaining attention to detail and quality.
  • Passion for technology and its positive impact on business.

Advantageous Skills/Experience:

  • Background in testing data integrations against business CRMs/ERPs/ITSMs, such as Salesforce, Workday, P360, ServiceNow.
  • Experience with Azure DevOps Test Plans and employing automation tools and frameworks to streamline testing processes and increase efficiency, particularly for regression testing.


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