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About the Role
Partner with asset allocation PMs and researchers to take ideas from notebook to production, build and extend the team's research platform, and own the multi-asset data layer. Utilize AI coding agents for prototyping, refactoring, testing, review, and documentation, and build internal AI-backed tooling for research workflows, client reporting, and meeting preparation. Write production code, mentor teammates on AI-augmented engineering practices, and adhere to regulatory obligations.
Responsibilities
- Partner with asset allocation PMs and researchers to take ideas from notebook to production: signals, CMAs, optimization, portfolio construction, rebalancing rules, and attribution.
- Build and extend the team's research platform: data ingestion, back testing, scenario analysis, portfolio construction, monitoring, and reporting.
- Own the multi-asset data layer: market data, macro, fundamentals, fund and index data, internal holdings, with quality control the PMs actually trust.
- Use AI coding agents daily for prototyping, refactoring, testing, review, and documentation. Bring opinions on where they help and where they hurt.
- Build internal AI-backed tooling for the team where it earns its keep: research workflows, client-reporting drafts, commentary support, meeting prep.
- Write production code that other quants want to build on.
- Own reliability, testing, and observability for what you ship.
- Mentor teammates on effective AI-augmented engineering practice.
- Carry out other duties as assigned.
- Understand the regulatory obligations of the firm and abide by the regulated entity requirements and JHI policies applicable for your role.
Requirements
- Have built industrial-scale enterprise-quality quantitative/systematic models based on specs provided by PM's.
- Have deployed quantitative/systematic models to production at non trivial size.
- Have monitored operational performance of these models and taken ownership of making sure the models behave properly.
- Are familiar with the SDLC (eg testing/deployment).
- Are heavy users of modern AI tools (claude code/codex/opencode/pi/ampcode/factory droid/cursor/cline).
- Have written extensive documentation about the implementation of a model.
- 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.
- Understand the regulatory obligations of the firm, and abide by the regulated entity requirements and JHI policies applicable for your role.
Skills
- AI coding agents
- AI-backed tooling
- Production code
- Reliability
- Testing
- Observability
- Mentoring
- Quantitative models
- Systematic models
- SDLC
- Modern AI tools
- Documentation
- Working knowledge of financial markets
- Knowledge of Excel
- Github
- Version control
- CI/CD
- Cloud services
- Interpersonal skills
- Relationship building
- Customer service skills
- Econometrics
- Statistics
- Asset pricing empirical work
- Financial markets
- Investing
Location
- Hybrid
Work Type
- Hybrid working
Experience Level
- Minimum of 6 months in current role (unless otherwise approved)
- No supervisory responsibilities
Salary/Compensations
- Position may be eligible to receive an annual discretionary bonus award from the profit pool.
Benefits
- Hybrid working and reasonable accommodations
- Generous Holiday policies
- Private Medical Insurance
- Life Insurance Cover
- Paid volunteer time
- Support to grow through professional development courses, tuition/qualification reimbursement and more
- Maternal/paternal leave benefits and family services
- Complimentary subscription to Headspace, Apple Health, Strava
- All employee events including networking opportunities and social activities
- Annual SZÉP Card allowance
- Competitive compensation
- Pension/retirement plans
- Various health, wellbeing and lifestyle benefits
About the Company
- 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.
- Janus Henderson Investors is an equal opportunity employer.
- 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).
Equal Opportunity
- 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.