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Senior QA Automation Engineer responsible for writing structured test cases, building and maintaining automated test suites (Playwright/Selenium), performing exploratory and regression testing, API testing (Postman), validating multi-role workflows and data integrity, collaborating with developers, and using automation and AI tools to improve QA coverage and documentation.

Design and build scalable Node.js backend services and microservices, implement RESTful APIs and payment/messaging integrations, optimise distributed databases and caching, implement logging/monitoring, conduct code reviews and mentor juniors, troubleshoot production issues, and collaborate with product, design, and DevOps to deliver reliable, production-grade systems.

Design and implement production-grade backend services using Elixir and the Ash Framework. Build Ash resources, actions, policies, and LiveView features; integrate LLM APIs and vector DBs for AI features; design PostgreSQL schemas and optimize queries; deploy and operate services on Fly.io; instrument analytics and maintain Docker-based dev environments. Collaborate with product and stakeholders to align technical decisions with business outcomes.

Build and maintain scalable backend services, APIs, and data pipelines using TypeScript/Node (Express) and Python (FastAPI/Django). Design and optimize database schemas and queries (MySQL/Postgres), implement background jobs and event pipelines, integrate third-party services, use AI coding assistants, participate in code reviews and architecture decisions, and own features end-to-end including deployment and monitoring.

Build and maintain backend APIs, services, and data pipelines for a high-traffic consumer platform using TypeScript/Node and Python. Design and optimize databases, implement background jobs and messaging, integrate third-party services, use AI coding assistants, participate in code reviews and architecture, and own features end-to-end from development through deployment and monitoring.