Software Engineer in Test

1 week ago

London Area, United Kingdom Dabster Full time £80,000 - £120,000 per year

About Us

At
Dabster
, we specialize in connecting top talent with leading global companies. We are currently seeking an experienced
Software Development Engineer in Test (SDET)
to join our client's advanced engineering team. Our mission is to be the foremost recruitment specialist in securing exceptional technology professionals for a diverse range of global clients.

Who Will You Work With

Our client is a leading innovator in
AI-driven platforms and data engineering
, delivering next-generation machine learning infrastructure across global enterprise environments. You will collaborate with
Software Engineers, MLOps experts, Cloud Architects, and QA Automation specialists
to build highly scalable testing solutions and ensure platform reliability and quality at scale.

About the Role

As a
Software Development Engineer in Test (SDET)
, you will design, develop, and implement high-performance testing frameworks to validate
ML data pipelines, backend systems, and cloud infrastructure
. You'll be responsible for embedding quality and resilience into every stage of the CI/CD lifecycle and enabling teams with self-service automation and observability capabilities.

This is a
contract or permanent
opportunity based
onsite in London, UK
.

Key Responsibilities

  • Design and build robust tools and services to validate the
    reliability, performance, and correctness
    of ML pipelines and AI infrastructure.
  • Develop
    platform-level test solutions
    and automation frameworks using
    Python, Terraform, and modern cloud-native practices
    .
  • Integrate automated testing, resilience checks, and observability hooks into
    CI/CD pipelines
    (GitHub Actions, Jenkins, etc.).
  • Lead quality engineering initiatives that drive
    testability, resilience, and validation-as-code
    across all platform components.
  • Collaborate closely with engineering, infrastructure, and MLOps teams to embed testing in the
    end-to-end software lifecycle
    .
  • Build
    reusable automation components
    supporting scalability, modularity, and maintainability.
  • Mentor junior engineers and help shape test engineering best practices.

Required Qualifications

  • Bachelor's or Master's degree in
    Computer Science, Engineering, or related technical field
    .
  • 8+ years
    of hands-on software development experience, with exposure to
    large-scale backend or platform systems
    .
  • Expert-level Python
    skills with strong understanding of
    OOP, testing frameworks, and automation libraries
    .
  • Proven experience in
    Test Automation
    using
    pytest, Playwright
    , or similar tools.
  • Hands-on experience with
    AWS
    services (Lambda, S3, ECS/EKS, Step Functions, CloudWatch).
  • Experience managing infrastructure using
    Terraform (IaC)
    .
  • Working knowledge of
    CI/CD systems
    such as
    GitHub Actions
    and
    Jenkins
    .
  • Strong understanding of
    software engineering best practices
    , including reliability, performance, and observability.

Preferred Qualifications

  • Exposure to
    Machine Learning workflows
    ,
    data pipelines
    , or
    MLOps
    practices.
  • Experience with
    distributed systems
    ,
    Kafka
    ,
    Spark
    , or
    Databricks
    .
  • Background in
    banking or financial services
    , particularly with compliance and data governance.
  • Understanding of
    platform security
    and
    resilient architecture
    design patterns.

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