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The Senior QA Automation Engineer will design and execute structured manual and automated tests for enterprise SaaS procurement workflows. Responsibilities include building Playwright or Selenium test suites, API testing with Postman, exploratory and regression testing, validating permissions and approval logic, checking data integrity, documenting test plans and coverage, collaborating with developers, supporting CI/CD testing pipelines, and using AI tools to improve QA productivity.

Develop and productionize AI/ML features for enterprise procurement, including forecasting, recommendations, document intelligence, supplier scoring, spend analytics, and anomaly detection. Prepare datasets, train and fine-tune models, run experiments, integrate APIs and AI services, optimize production performance, monitor deployed models, and document implementations. Collaborate with engineering, product, and domain teams in an on-site product environment.

Build and operate scalable Elixir backend services using Ash, Phoenix, LiveView, and PostgreSQL. Design resources, actions, policies, APIs, workflows, and real-time features; integrate LLM APIs and vector databases; deploy and scale services on Fly.io; and manage analytics, monitoring, debugging, and performance. Collaborate closely with product managers and business stakeholders, contribute to architecture and strategy, and own features from requirements through production iteration.

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.

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.