SDET Quality Assurance Engineer

oneZero Financial Systems•Somerville, MA

37d

About The Position

Come join oneZero Financial Systems! An exciting, fast-growing company with Headquarters in Somerville MA, oneZero empowers banks, brokerages and hedge funds with cutting edge trade routing and execution technology. Our platform, deployed with 200+ entities globally, features a low-latency trading environment, integrations to the world’s leading execution venues, and reliable IT infrastructure and technical support—all designed to be customized and scaled to serve any business model and any size of market participant. We take pride in our great work atmosphere and highly motivated team of engineers. We are currently looking for a motivated and talented SDET Quality Assurance Engineer to join our HQ office. oneZero is proud to have been named one of Business Intelligence Group's Best Places to Work for four consecutive years: https://www.onezero.com/awards/onezero-earns-recognition-as-a-2025-best-place-to-work/ The Boston Globe names oneZero a Top Place to Work in 2022, 2023, and 2024: https://www.onezero.com/homepage/the-boston-globe-names-onezero-a-top-place-to-work-for-third-year-in-a-row/ oneZero earns 2024 Great Place To Work Australia Certification https://www.onezero.com/awards/onezero-2024-great-place-to-work-australia-certification/ Please see oneZero featured in e-Forex Magazine to learn more about the company and our dynamic team (https://goo.gl/vbXw8i). JOB PURPOSE: At oneZero, we develop a high performance ultra-low latency trading and finance platform that sends terabytes of data to our AWS platform on our data analytics platform. We also develop and integrate into our Autochartist analytics platform into our main platforms. We are looking for a trained software test developer who is looking to work with a world-class software team. In this role, you will grow your career through teamwork, become an expert in trading/finance/data analysis via testing and developing code to ensure we deliver high quality trading and data analytics software. JOB DESCRIPTION SUMMARY: Ensures that code written by developers performs as expected in terms of function, compatibility, design, and performance chiefly by developing testing programs to identify possible defects in pre-deployment software. Operates at all levels of the testing pyramid, employing knowledge of the end user business domain to validate suitability for purpose. Improves testability of application. Collaborates with engineering and product colleagues to ensure consistently high quality software. Independently can own and implement full automation test coverage at an Epic level on one’s own or can decompose the work and coordinate the work within the squad/team to completion.

Requirements

Bachelor’s degree in the Hard Sciences (Computer Science, Math, Engineering preferred)
3-6 years of software development or automation development experience
Experience with CI/CD, C#, Relational Databases, performance tools and Python/JavaScript
Experience with automation frameworks and generative AI
Intellectual curiosity and demonstrated ability to learn on the fly
Finance industry experience

Responsibilities

Quality and Best Practices Champion
Contributes to our automate first approach to testing within a release
Construct automated test plans that incorporate both positive and negative scenarios
Participates in quality postmortem activities to better understand and automate escapes
Understands of each tier of the testing pyramid
Advocates for stories and epics to meet both Definition of Ready (DoR) and Definition of Done (DoD)
Identifies automation framework updates needed to support new feature automation
Applies test-first BDD and TDD best practices and delivers test automation concurrently as a feature is being developed
Innovator
Experience with using AI such as copilot to assist with test automation development
An understanding of Generative AI as it applies to QA
Able to apply client-centric and persona based testing to our TDD/test first methodology
Automated Test Developer
Designs effective automation with assisted AI to validate the intended functionality
Writes automated tests and participates in code reviews
Able to work at all levels of the test pyramid
Creates well documented maintainable automated tests
Ensures automated tests are incorporated into CI/CD pipeline and monitors test results
Investigates and resolves test discrepancies in a timely fashion
Reviews, troubleshoots and maintains existing automation
Automate and validate end to end system workflows within multiple components
Able to refactor test automation
Agile Practitioner
Demonstrates understanding of Agile principles
Able to accurately estimate stories and one’s own capacity
Applies Kaizen principles to daily work
Business Domain Expert
Has business domain experience and extends business domain through purposeful study
Understands the what and why of user workflows in functional areas of responsibility
Able to troubleshoot failure modes
Demonstrates analytical, systems thinking
Acquires subject matter expertise in application under test
Test Framework Developer
Learns our test frameworks and tooling
Follows the common coding standards used by all application and test developers
Contributes to and suggests improvements to the test framework
Able to work with multiple frameworks; REST/API, GUI, performance, ETL/big data as well as custom test solutions
Tier 3 Support Troubleshooter
Understands the production support model
Understands how production environments are deployed and configured
Contributes to production troubleshooting and use case replication