Senior Software Development Engineer in Test (SDET) — Cloud-Native SaaS Platform
Core
Design and implement testing architecture from the ground up for a cloud-native SaaS platform, establishing standards and tooling for a growing engineering team.
Role type
Senior IC test engineering lead (cloud-native SaaS)
Builds
Shared test infrastructure, CI/CD pipelines, and automated testing suites for a serverless microservices backend and TypeScript web frontend.
Domain
Cloud-native SaaS, serverless microservices, event-driven architecture
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Test strategy definition, AWS serverless testing, Python (pytest, async), relational database testing, cross-browser E2E testing (Playwright/Cypress), contract testing, CI/CD integration, load testing, team mentorship
Preferred skills
Event-driven architecture testing, payment processor integration, performance testing (Artillery, k6, Locust), TypeScript, frontend unit testing, security testing fundamentals
Technologies
AWS (Lambda, API Gateway, EventBridge, DynamoDB, S3, SQS, Secrets Manager), Python, pytest, Playwright, Cypress, React, TypeScript, LocalStack, moto, Artillery, k6, Locust
Responsibilities
Define test strategy across unit, integration, contract, E2E, and load testing; Build shared test infrastructure including fixtures, mocking, and harnesses; Establish coverage standards and bring under-tested services up to baseline; Design contract and integration tests for partner APIs; Wire tests into CI/CD pipelines with gating and flake detection; Build load and resilience tests; Mentor engineers on writing testable code and authoring tests
Seniority
Senior, hands-on IC with architectural ownership
