Senior Data Engineer

Janus Henderson AAA CLO ETF; Greater London; Hybrid; GBP 70,000 - GBP 90,000; Full time

Job summary

A leading investment firm in Greater London is seeking a Senior Data Engineer to design and deliver powerful data pipelines on the Janus Henderson Data Platform. The role involves mentoring junior engineers, ensuring data quality, and collaborating with stakeholders for integrated solutions. Candidates should have a proven background in data engineering, experience with Snowflake and/or Databricks, and strong SQL and Python skills. This opportunity offers hybrid working and excellent health benefits.

Benefits

Hybrid working

Health and wellbeing benefits

Paid volunteer time

Professional development support

Maternal/paternal leave benefits

Lunch allowance

Qualifications

• Proven experience in data engineering and pipeline development using Snowflake and/or Databricks.
• Advanced proficiency in SQL through complex queries, optimisation, and performance tuning.
• Strong Python knowledge for data processing and automation.

Responsibilities

• Design and deliver robust data pipelines and solutions on the Janus Henderson Data Platform.
• Mentor junior engineers and contribute to technical standards.
• Ensure data quality and reliability across critical business processes.

Skills

Data engineering experience

SQL proficiency

Python knowledge

DevOps principles

Job orchestration experience

Communication skills

Tools

Snowflake

Databricks

Azure Data Factory

Job description

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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

As a Senior Data Engineer, you will design and deliver robust data pipelines and solutions on the Janus Henderson Data Platform. You will mentor junior engineers, contribute to technical standards, and ensure data quality and reliability across critical business processes.

• Architect and implement scalable data pipelines using Snowflake, Databricks, and supporting technologies
• Collaborate with architects and business stakeholders to deliver integrated solutions aligned with strategic goals.
• Optimise performance and cost through query tuning, clustering, caching and storage strategies
• Implement CI/CD and observability practices to enhance reliability and performance.
• Champion data governance and compliance, ensuring security best practices.
• Mentor junior engineers and contribute to knowledge-sharing initiatives.
• Support production systems, troubleshoot incidents and drive root cause analysis
• Carry out other duties as assigned

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
• 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

• Proven experience in data engineering and pipeline development using Snowflake and/or Databricks
• Advanced proficiency in SQL through complex queries, optimisation and performance tuning on cloud-based data platforms.
• Strong Python knowledge for data processing and automation
• Solid understanding of DevOps principles, CI/CD and data reliability engineering.
• Experience with job orchestration (Autosys, Airflow/Astronomer)
• Effective communication and problem-solving skills.

Nice to have skills

• Certifications in Snowflake or Databricks.
• Experience with dbt Core/Cloud for transformation and testing
• Familiarity with Data Mesh principles and distributed data ownership
• Experience with Microsoft Azure services (e.g., Azure Data Factory, Azure Key Vault, Azure DevOps) for CI/CD and Infrastructure.
• Knowledge of data governance frameworks and lineage tools

Supervisory responsibilities

• No

Potential for growth

• 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 candidates 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 [e-mail]

#LI-LN2 #LI-Hybrid

Annual Bonus Opportunity: Position may be eligible to receive an annual discretionary bonus award from the profit pool. The profit pool is funded based on Company profits. Individual bonuses are determined based on Company, department, team and individual performance.

Benefits: Janus Henderson is committed to offering a comprehensive total rewards package to eligible employees that includes; competitive compensation, pension/retirement plans, and various health, wellbeing and lifestyle benefits. To learn more about our offerings please visit the Why Join Us section on the career pagehere .

Janus Henderson Investors is an equal opportunity 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.

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).

You should be willing to adhere to the provisions of our 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.

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.