[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All StoneX Group jobs](https://jobs.opennash.com/companies/stonex-group/) · [Search jobs](/search/) StoneX Group · Bangalore, India # Staff Engineer/ SDET Role with C#.Net Bangalore, India Full-time Senior individual contributor Operations Listed on StoneX Group’s official careers site. Posted August 26, 2026. Check that it is still open and apply there. [Apply on StoneX Group’s careers site →](https://english-stonex.icims.com/jobs/15516/login) [OpenNash Jobs](https://jobs.opennash.com/) / [StoneX Group](https://jobs.opennash.com/companies/stonex-group/) / Staff Engineer/ SDET Role with C#.Net ## Job description ### Overview Connecting clients to markets – and talent to opportunity. With 5,400+ employees and over 80,000 institutional, commercial, and payments clients, we operate from more than 80 offices spread across six continents. As a Fortune 100, Nasdaq-listed provider, we connect clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors. Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, StoneX Group is made up of four business segments that offer endless potential for progression and growth. ### Business Segment Overview Corporate Engage in a deep variety of business-critical activities that keep our company running efficiently. From strategic marketing and financial management to human resources and operational oversight, you’ll have the opportunity to optimize processes and implement game-changing policies. ### Position Purpose The candidate should actively evaluate new products and technologies to build solutions that can streamline business operations. They must be delivery-focused with solid skills in automation of tests for API’s and windows services. They will be required to be involved in technical discussions with the Team or Technical Lead. The candidate will be working on the company public REST API’s used by our platforms and partners to provide them with full trading functionality including authentication, trading, charting, and much more. You’ll be an essential part of a highly skilled product team, collaborating with other engineers, tech leads, and QAs to build scalable, high-performing systems used by thousands of clients. ### Technology Ecosystem Technologies, Languages & Frameworks nUnit, C#,.NET Core, Postman, Swagger, RestSharp, Allure, NBomber, OpenSearch, Grafana, Jagger Architecture: Microservices, Event-driven (Kafka, AMQ), CQRS Cloud & Infra: Azure, Kubernetes, Docker, Rancher, TeamCity, Octopus, Grafana Databases: MS SQL Server (T-SQL), NoSQL, Postgres Tooling: GitHub, Visual Studio/Rider, ReSharper AI Tools: MS Copilot, GitHub Copilot Primary duties will include Define automation-first test strategy and quality gates early with product, developers, and BAs, translating requirements into measurable coverage, risk-based priorities, and release criteria. Own and evolve the automated test architecture (frameworks, patterns, reusable components), ensuring maintainability, scalability, and consistent engineering standards across repositories. Design and implement robust automated tests (API/service, component, end-to-end, and contract/compatibility), including BDD specifications, test data management, and deterministic execution. Establish and run performance and reliability testing (baseline, regression, load) and translate results into actionable engineering feedback to improve latency, stability, and user experience. Integrate automation into CI/CD pipelines to provide fast feedback loops (reporting, trends, flaky-test detection, artifacts) and ensure failures block releases when quality thresholds are not met. Lead defect prevention and rapid root-cause analysis, including log/telemetry review and failure triage, partnering with engineers to drive fixes and reduce recurrence through systemic improvements. Own testing across environments and release readiness, coordinating with Service Delivery/Release teams, adhering to change processes, and validating production behavior post-release. Driving process/tooling improvements and influencing cross-team quality standards through documentation and knowledge sharing. ### Qualifications To land this role you will need: 3+ years of hands‑on experience in Test Automation, with strong proficiency in C# and automation frameworks. Solid experience testing distributed systems, including RESTful, SOAP, gRPC APIs, Windows services, and messaging platforms such as Kafka or ActiveMQ. Strong test automation skills, including BDD approaches (preferably SpecFlow/Reqnroll), debugging, code reviews, and building custom automation tools and utilities. Experience testing web and client‑server applications, with good understanding of databases and SQL. Practical knowledge of containerized and orchestrated environments, such as Docker, Kubernetes, or similar platforms, including deployment and release workflows. Deep understanding of the full software testing lifecycle, from requirements analysis through QA/UAT sign‑off and production release, within an Agile delivery model. Strong grasp of QA best practices, SDLC, and experience working with version control, build, deployment, and test management tools. Excellent communication and collaboration skills, with do main knowledge in financial systems (e.g. Trading platforms, CFDs, Forex, real‑time data) considered a strong plus. ### Education Bachelor's degree in computer science, Software Engineering, or related field — or equivalent hands-on experience. ## At a glance - Posted by the employer: Aug 26, 2026 - First seen by OpenNash: Oct 11, 2026 - Last checked: Oct 18, 2026 - Listed for: 53 days - Location: Bangalore, India - Employment type: Full-time[Apply on StoneX Group’s careers site →](https://english-stonex.icims.com/jobs/15516/login) ## More jobs at StoneX Group ### [Application Engineering Services - Support](https://jobs.opennash.com/companies/stonex-group/jobs/01ef2432136996a48fb5/) Bangalore, India ### [Engineer II](https://jobs.opennash.com/companies/stonex-group/jobs/eeb5b9c41f0f5ab17dc0/) Bangalore, India ### [Lead Platform Engineer](https://jobs.opennash.com/companies/stonex-group/jobs/0ec17a09b8c774f59d10/) Bangalore, India ### [Principal Engineer with Agentic AI expertise](https://jobs.opennash.com/companies/stonex-group/jobs/8930e2c0b3dd561fb70c/) Bangalore, India ### [Reconciliation Analyst](https://jobs.opennash.com/companies/stonex-group/jobs/422cf135058d96382ea1/) Bangalore, India ## Similar jobs at other companies ### [MBIST Diagnostics Engineer - Sr Staff/Staff Engineer](https://jobs.opennash.com/companies/qualcomm/jobs/48c5cae08e9c562f7e0e/) Qualcomm · Bangalore, India ### [DDR STA/Timing Engineer (Staff/ Senior Staff)](https://jobs.opennash.com/companies/qualcomm/jobs/d2d3adc5a6bb664535cf/) Qualcomm · Bangalore, India ### [Senior QE Test Engineer – SDET](https://jobs.opennash.com/companies/ntt/jobs/54fdbe7e1736dadd0e62/) NTT · London, United Kingdom ### [Senior Python SDET Engineer](https://jobs.opennash.com/companies/hitachi/jobs/512c39104a1c367d041b/) Hitachi · Kyiv, Kyiv city, Ukraine ### [Senior Platform Engineer (Virtualization) (Onsite Role)](https://jobs.opennash.com/companies/oreilly-automotive/jobs/202751c3eed1836c389d/) O'Reilly Automotive · Headquarters OpenNash lists jobs from employers’ own careers sites and does not handle applications. Dates come from the employer where stated; “first seen” and “last checked” are our own observations. OpenNash Jobs · Official listings with dates and links to the employer. [Weekly hiring report](/reports/hiring/) · [Methodology](/methodology/)