Senior Test Analyst – Trading Systems, API, Protocol Testing

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🕒 March 18

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Esprow

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2012

💳 Fintech

☁️ SaaS

🤝 B2B

Fintech • SaaS • B2B

Esprow is a provider of enterprise-grade testing, certification, and simulation software for financial markets. Its ETP product suite (including ETP Studio, C-Box, S-Box, Markets and related tools) specializes in FIX and multi-protocol API design, interactive and automated FIX testing, log replay, market-data simulation, exchange/venue simulation, and client onboarding/certification to help exchanges, brokers and trading firms validate connectivity, ensure regulatory compliance (e. g. , MiFID II), and accelerate system delivery. The company offers web-based, no-code tools and adapter support for multiple messaging protocols to enable end-to-end testing of trading systems across asset classes.

📋 Description

• Contribute to QA testing efforts of Esprow’s products, with a primary focus on FIX Protocol, trading APIs, and multi-protocol financial systems. • Perform functional, integration, regression, system, and certification testing of trading platforms, web services, and messaging-based systems. • Analyse business and functional specifications of trading systems or matching engines and derive structured test scenarios, validation logic, and detailed test cases directly from them. • Design comprehensive validation strategies across order types, time-in-force rules, trading phases, matching priorities, and negative scenarios to ensure full coverage of exchange and matching engine behaviour. • Create detailed, comprehensive, and well-structured test plans, test cases, and test scenarios aligned with business and technical requirements. • Analyse business and functional requirements to ensure complete test coverage and validate expected system behaviour, including trade lifecycle and post-trade processing. • Analyse test results, logs, message structures, protocol flows, and FIX sessions to ensure software quality and recommend preventive and corrective actions. • Liaise with Project Managers and Development teams to clarify requirements and resolve issues prior to client releases (without acting as a traditional requirements-gathering Business Analyst). • Support client implementation and integration testing activities where required. • Contribute to automation initiatives for API and protocol-level testing where applicable. • Stay up to date with new testing tools, API testing methodologies, and best practices in protocol validation.

🎯 Requirements

• 3+ years of experience in QA testing within financial technology, capital markets, or trading system environments. • Proven experience working with exchange platforms, matching engines, or electronic trading systems. • Experience deriving structured test scenarios and test cases directly from functional specifications of trading systems (e.g., order types, time-in-force, trading phases, matching logic) is strongly preferred. • Strong understanding of exchange microstructure, trading workflows, order lifecycle, and matching engine behaviour. • Solid understanding of FIX Protocol and/or trading APIs. • Practical experience in API and protocol testing using industry-standard tools or frameworks. • Strong knowledge of HTTP/HTTPS, RESTful services, JSON/XML, status codes, and API validation techniques. • Experience creating and maintaining test plans, test strategies, regression coverage, and release validation documentation. • Strong analytical skills with the ability to interpret complex trading rules and translate them into effective validation scenarios. • Good understanding of Software Development Life Cycle (SDLC). • Fluent English speaking and writing skills. • Exceptional attention to detail — ensuring that no trading rule, protocol nuance, or edge case is overlooked.

🏖️ Benefits

• Full time position (mix of onsite and remote). • Competitive package. • Career path in a technology company with many talented people. • Opportunity to take more responsibility and gain professional experience in financial markets.