Test Automation Engineer

Requisition ID 30402 – Posted – London – Janus Henderson

A career at Janus Henderson is more than a job; it’s about investing in a brighter future together.

Our Mission at Janus Henderson is to help clients define and achieve superior financial outcomes through differentiated insights, disciplined investments, and world-class service. We will do this by protecting and growing our core business, amplifying our strengths, and diversifying where we have the right.

Our Values are key to driving our success and are at the heart of everything we do:

Clients Come First – Always | Execution Supersedes Intention | Together We Win | Diversity Improves Results | Truth Builds Trust

If our mission, values, and purpose align with your own, we would love to hear from you!

Your Opportunity

The Senior Test Automation Engineer position at JHI is targeted towards experienced professionals who have a proven track record in leading test automation projects and mentoring junior engineers. This role offers the opportunity to work on complex and innovative projects involving Snowflake, AzureServiceBus, Charles-River, SAP, etc., and to leverage advanced testing frameworks like Playwright, Specflow, and custom in-house Python-based applications within Agile and TDD methodologies. The ideal candidate will tackle challenging problems, lead strategic project contributions, and mentor junior team members, fostering a culture of excellence in a supportive and dynamic environment.

Responsibilities

• Design, develop, and maintain advanced test automation scripts using frameworks such as Playwright, and others, in languages like C# and Python.
• Lead all phases of the testing lifecycle, focusing on comprehensive coverage across functional and non-functional testing (e.g., performance, load), encompassing Data, API, and UI layers.
• Oversee BAU activities, ensuring the resolution of bugs, functional enhancements, and the implementation of user feedback within our key in-built quality frameworks.
• Serve as a primary liaison between test automation architects and the engineering team, driving the overall quality strategy and mentoring junior engineers.
• Engage with stakeholders at all levels, providing advanced technical support, demonstrations, and training.
• Identify, advocate for, and implement improvements in our testing processes and tools, ensuring alignment with the company’s strategic quality objectives.

What to Expect When You Join Our Firm

• Hybrid working and reasonable accommodations
• Excellent Health and Wellbeing benefits including corporate membership to ClassPass
• Paid volunteer time to step away from your desk and into the community
• Support to grow through professional development courses, tuition/qualification reimbursement, and more
• All-inclusive approach to Diversity, Equity and Inclusion
• Maternal/paternal leave benefits and family services
• Complimentary subscription to Headspace – the mindfulness app
• All employee events including networking opportunities and social activities
• Lunch allowance for use within our subsidized onsite canteen

Must Have Skills

• Extensive experience with test automation frameworks such as Playwright, Specflow, etc.
• Deep understanding of Agile and TDD methodologies.
• Proven track record of writing, executing, and maintaining complex test scripts.
• Demonstrated ability to lead testing efforts and mentor junior team members.
• Strong problem-solving skills, with an emphasis on consensus building and collaboration.
• Strong Microsoft Skills, including PowerPoint & Excel; understand and document Process Maps using tools such as Visio.
• A good knowledge of financial products used in Asset Management including Equities, Cash, Fixed Income, and complex Swap instruments.

Nice to Have Skills

• Strong experience with AzureDevOps, Azure, Git, and SQL.
• Proficiency in Jira, Confluence.

Potential for Growth

As a Senior Test Automation Engineer, you will play a pivotal role in our company’s success, with clear opportunities to progress into leadership positions such as Test Automation Architect or Quality Assurance Lead. You will have the chance to specialize further in areas of interest and need, such as Data, API, or UI automation, significantly impacting our technology landscape and business outcomes.

• Regular training
• Continuing education courses

You will be expected to understand the regulatory obligations of the firm and abide by the regulated entity requirements and JHI policies applicable for your role.

At Janus Henderson Investors, we’re committed to an inclusive and supportive environment. We believe diversity improves results and we welcome applications from all backgrounds. Don’t worry if you don’t think you tick every box; we still want to hear from you! We understand everyone has different commitments and while we can’t accommodate every flexible working request, we’re happy to be asked about work flexibility and our hybrid working environment. If you need any reasonable accommodations during our recruitment process, please get in touch and let us know at .

Janus Henderson (including its subsidiaries) will not maintain existing or sponsor new industry registrations or licenses where not supported by an employee’s job functions (as determined by Janus Henderson at its sole discretion).

All applicants must be willing to comply with the provisions of Janus Henderson Investment Advisory Code of Ethics related to personal securities activities and other disclosure and certification requirements, including past political contributions and political activities. Applicants’ past political contributions or activity may impact applicants’ eligibility for this position. Janus Henderson is an equal opportunity / Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status. All applications are subject to background checks.

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