SDET Quality Assurance Engineer

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. 

KEY ROLES AND 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

EXPERIENCE/EDUCATIONAL 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
  

KEY COMPETENCIES

• Business Orientation (Intermediate)- Understands the needs and priorities of internal and external clients. Conducts work with a customer point of view. Observes and reports problems relevant to the client and works to gain their trust and respect
• Cooperation (Intermediate)- The ability to work effectively with others in order to achieve a shared goal- even when the objective at stake is of no direct personal interest. Acknowledge the contribution from others disciplines; Discuss plans and ideas with others and invite them to contribute; Is able to compromise- lets a group's interest prevail over their own;  Makes others see their contribution is vital for achieving a shared goal.
• Focus on Quality (Proficient)- Sets high quality standards and strives for continuous improvement. Encourages others to take quality into account; Self-manages and creates test and checks of the work of others to ensure work is up to prescribed quality standards; Indicates clearly and specifically what level of quality is expected
• Initiative (Proficient)- Recognizes and creates opportunities and acts accordingly. Communicates and starts something than waiting passively for it to happen. Mentions and discusses practices that are inefficient and a drag on productivity and actively searches for and suggests solutions.
• Result Orientedness (Intermediate)- Sets high standards, defines/achieves challenging yet feasible goals; Considers the option carefully; mobilizes means and people, even when others need to be persuaded of its necessity; Does not give in, actively looks for alternative possibilities when facing difficulties.
• Workmanship (Intermediate)- Independently carrying out one's work. Has a thorough knowledge of one's field. Knows the causes and solutions to commonly occurring problems; shows interest in his professional field- keeps their professional knowledge up-to-date by all means possible; Shows what has priority and where necessary, changes the work order; Sees work that has to be done and takes initiatives to get it done.

The salary range for this role is 95,000- 130,000, depending on relevant experience.