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SDET (Part-time)

3 weeks, 3 days ago
United Kingdom
Part-time
Mid Level
SDET (Software Development Engineer in Test)
Quality Assurance and Testing
Apache Airflow CI/CD Databricks dbt GCP GitHub Actions GitLab CI Microservices Python REST API Snowflake SQL
Apply Now
Massive Rocket

Massive Rocket

Massive Rocket is a Global Braze & Snowflake Agency that helps companies use data to understand their customers, automate communications, and generate predictable growth. They specialize in building beautiful digital experiences and increasing customer...

Media
51-250
Founded 2018
View All Jobs 10

Description

  • Build automated testing frameworks to validate customer data, schemas, data contracts, and identity resolution.
  • Develop automated tests for web and app events, SDK implementations, consent signals, and customer journeys.
  • Test end-to-end data flows across platforms such as Databricks, mParticle, Braze, and OneTrust.
  • Validate batch and near real-time data pipelines, transformations, data quality, freshness, and latency against SLAs.
  • Use SQL and Python to identify anomalies, validate large datasets, and automate regression testing.
  • Build API mocks and automated integration tests to verify data and customer actions flow correctly between systems.
  • Establish automated data quality and schema validation rules to detect corrupted records and schema drift.
  • Partner with Data Engineers and Martech teams to triage defects, identify root causes, and prevent recurring issues.
  • Embed automated testing and data quality checks into CI/CD workflows and improve the testing architecture.
  • Validate consent and preference management across customer data flows to support privacy requirements.

Requirements

  • 4+ years of experience in SDET, Data QA, Automation Engineering, or a similar software/data testing role, ideally in Martech, Data, or B2C environments.
  • Strong SQL and Python skills, with experience building automated test suites and validating large-scale datasets.
  • Proven experience designing and implementing automated data testing or quality frameworks from the ground up.
  • Hands-on experience testing cloud data platforms such as Databricks, Snowflake, or BigQuery.
  • Strong experience testing ETL/ELT pipelines in batch and near real-time environments, with familiarity with dbt, Airflow, or similar tools.
  • Experience testing CDP and customer data flows, including event ingestion, identity resolution, audience activation, and downstream integrations.
  • Strong API testing experience, including REST APIs, payload validation, mocking, and cross-platform integration testing.
  • Excellent defect triage and root-cause analysis skills, with experience working closely with engineering teams.
  • Strong understanding of data quality, governance, privacy, and consent management within customer data ecosystems.
  • English proficiency at C1 level.
  • Experience with mParticle, especially event ingestion, identity resolution, audience syncs, and downstream activation (desirable).
  • Familiarity with Braze, including Data Track API, Cloud Data Ingestion, event forwarding, or customer data activation (desirable).
  • Experience testing OneTrust consent and preference management frameworks (desirable).
  • Experience with web/app SDK testing and automated customer journey validation (desirable).
  • Experience integrating automated quality checks into CI/CD pipelines using GitHub Actions, GitLab CI, or similar (desirable).
  • Familiarity with Martech, CRM, CDP, or B2C customer data environments (desirable).
  • Bachelor's degree in Computer Science, Data Engineering, Software Engineering, or a related technical field (desirable).
  • Valid work visa required; sponsorship is not available.
  • Bring your own device for work.
  • May need to provide proof of identity and two references; contractors must provide proof of incorporation and insurance.

Benefits

  • Remote-first work from wherever you feel your best.
  • Clear career progression with real ownership and growth opportunities.
  • Collaborative global team across Europe, the US, and beyond.
  • Supportive culture focused on helping people succeed.
  • Meetups, events, and team experiences.
  • Fast-paced environment with big challenges and accelerated learning.

Interested in this position?

Apply directly on the company website

Apply Now

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