Quality Assurance Engineer at Toptal. Location Information: Anywhere in the World. . . Headquarters:. Remote . URL:. . https://www.toptal.com/. . . Description. . . About the Client. Our client is a globally diversified investment organization focused on long-term, value-driven investment strategies.. General Information. The position is open to full-time candidates with excellent communication skills to work on-site in Abu Dhabi (UAE) or remotely within 3h of the Abu Dhabi time zone (within 3h of UTC+4).. Tasks and Deliverables. Lead, design, and build end-to-end quality for Event-Driven Architecture (EDA), low-latency platform built on Solace messaging, and Azure (AKS). You will own the test strategy, plan, automation framework, CI/CD pipelines, and compliance testing. The role is hands-on and leadership-oriented: you will set standards, coach engineers, and deliver audit-ready evidence for regulated markets.. Responsibilities. Own test automation strategy & governance. . . Define a shift-left test strategy across unit, integration, contract, E2E, performance, security, and resiliency.. . Establish quality gates (defects, coverage, flakiness budgets, performance SLOs) and release criteria.. . Shift left testing: requirements → tests → results → evidence traceability model.. . . Build a reusable automation framework. . . Architect a test framework packaged for reuse across CEE teams.. . Provide libraries/utilities for API, Solace messaging, database, and contract testing.. . Standardize test data management, deterministic fixtures, and parallel/ephemeral execution patterns.. . . Event-driven architecture (EDA) testing. . . Validate producer/consumer contracts, schema evolution, and topic compatibility.. . Assert ordering, idempotency, exactly/at-least/at-most-once semantics, replay, DLQ handling, and deduplicate keys.. . Prove back-pressure, throttling, and consumer lag behavior under bursty market loads; chaos test broker clusters.. . Enforce schema/contract gates in CI/CD; prevent breaking changes before promote.. . . Data-platform & reconciliation QA. . . Automate data quality checks for market/reference data, order/trade states, and downstream stores (SQL Server/Azure SQL).. . Implement reconciliation across OMS/EMS, risk, and settlement; verify lineage and PII/PCI masking where relevant.. . Use SQL and profiling to validate accuracy, completeness, timeliness, and SCD/versioned data behaviors.. . Manage golden datasets and synthetic market data at scale for repeatable regression.. . . Pipelines, environments & observability. . . Embed suites in Azure DevOps (build → deploy → smoke → regression → perf/security) with mandatory gates (coverage, static analysis, compliance, performance).. . Orchestrate tests on AKS with Docker/Kubernetes, ephemeral environments.. . Validate OpenTelemetry to correlate trace IDs across services; validate Application Insights/Dynatrace signals in assertions.. . . Performance & security. . . Baseline latency/throughput; run JMeter/LoadRunner for spike/soak/failover; collaborate on capacity tuning.. . Automate OWASP checks (ZAP), enforce SAST/DAST and dependency scanning (Snyk) with remediation gating.. . . Leadership & operations. . . Lead QA activities in the project, mentor developers on testability and quality by design.. . Contribute to incident response, RCA, production canary/verification suites, and reliability playbooks.. . . Tech Stack Focus. . . Languages/Frameworks: C#, Python, xUnit, PyTest, Pact, Docker,. . Testing: xUnit, NUnit, MSTest, , Moq/AutoFixture, TestContainers-style patterns. . APIs/Messaging: REST/GraphQL/SOAP, Solace (preferred), RabbitMQ or Kafka (plus). . Data: SQL Server, Azure SQL; strong SQL for validation/migrations; data profiling tools. . Cloud/Infra: Azure, AKS, Docker/Kubernetes; Terraform/Bicep/ARM. . CI/CD & Quality: Azure DevOps, Git/Azure Repos, coverage/linters, policy-driven gates. . Perf/Sec/Obs: JMeter/LoadRunner, OWASP ZAP, Snyk, Application Insights, Dynatrace, OpenTelemetry. . Secrets: Azure Key Vault. . (Nice) FIX conformance via QuickFIX/N simulators; schema registry tooling. . . Additional Details. . . Location: Abu Dhabi (UAE) or remote within 3h of Abu Dhabi time zone. . Work model: Onsite in Abu Dhabi or remote within 3h of Abu Dhabi time zone. . Type: 40h/week Contract. . Duration: 6-12 months initially, with long-term engagement potential. . Authorization: Applicants must be authorized to work in their country of residence without employer sponsorship. . . . Requirements. . . Required Experience. . . 8+ years in QA/engineering with 5+ in financial/trading systems (order lifecycle, market data, risk controls). . Proven delivery of pipeline-integrated .NET automation frameworks and regulated-market audits. . Deep understanding of EDA QA (contracts, ordering, idempotency, replay, DLQs, back-pressure) and data-quality/reconciliation. . Hands-on with Azure/AKS, Azure DevOps, and performance/security automation at scale. . Clear communicator; able to lead cross-functional quality initiatives and coach engineers. . Strong English proficiency required. . . Bonus Experience. . . ISTQB Advanced/CSTE, Azure Fundamentals / Azure DevOps Engineer. . Finance certs (CFA/FRM), Agile/Scrum experience. . . . To apply:. . https://weworkremotely.com/remote-jobs/toptal-quality-assurance-engineer.
Quality Assurance Engineer at Toptal