App Engineer

Janus Henderson AAA CLO ETF; Denver (CO); On-site; USD 100,000 - 115,000; Full time

Benefits offered by this job

Hybrid work

Volunteer time

Tuition/qualification reimbursement

DEI commitment

Parental leave

Headspace subscription

ClassPass

Employee events

Snacks & beverages

Job summary

Janus Henderson is seeking a skilled WordPress/PHP developer to build and maintain features on an enterprise WordPress multisite platform serving global financial services content.

You will create custom PHP plugins and Gutenberg blocks, integrate with third-party APIs, and collaborate with designers and engineers to deliver scalable solutions in a hybrid work setting.

Qualifications

• Proficient in PHP and WordPress plugin/theme development.
• Experience with WordPress multisite.
• SCSS/CSS and responsive design implementation.
• Comfortable across local, dev, test, production environments.
• Experience with Git, branching strategies, and code review.
• Able to work independently and communicate blockers early.
• Familiarity with Composer and npm-based build tooling.
• Experience with Jira for Agile/Scrum planning and tracking.
• Familiar with AI coding assistants in daily workflow.

Responsibilities

• Build and maintain features on an enterprise WordPress multisite platform.
• Develop custom PHP plugins and Gutenberg/Block Editor blocks (React).
• Integrate with third-party APIs and services (DAM, marketing automation, SSO).
• Debug and resolve issues across local, dev, test, production in WordPress VIP.
• Collaborate with designers, editors, and engineers to scope and deliver features.
• Carry out other duties as assigned.

Skills

PHP development

WordPress plugin/theme development

WordPress multisite

SCSS/CSS

Responsive design

Git

Code review

Agile/Scrum (Jira)

React familiarity

AI coding assistants

Tools

Git

Jira

Composer

npm

WordPress VIP

REST API experience

Job description

Your opportunity

• Build and maintain features on an enterprise WordPress multisite platform serving global financial services content across regional sites
• Develop custom PHP plugins and Gutenberg/Block Editor blocks (React) for fund/product data display and content management workflows
• Integrate with third‑party APIs and services including digital asset management, marketing automation, and SSO providers
• Debug and resolve issues across local Docker, dev, test, and production environments on WordPress VIP
• Collaborate with designers, content editors, and engineers to scope and deliver features
• Carry out other duties as assigned

What to expect when you join our firm

• Hybrid working and reasonable accommodations
• 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
• Corporate membership to ClassPass and other health and well‑being benefits
• Unique employee events and programs including a 14er challenge
• Complimentary beverages, snacks and all employee Happy Hours

Must have skills

• Proficient in PHP and WordPress plugin/theme development
• Experience with WordPress multisite
• SCSS/CSS and responsive design implementation
• Comfortable working across multiple environments (local, dev, test, production)
• Experience with Git, branching strategies, and code review
• Able to work independently, manage your own tasks, and communicate blockers early
• Familiarity with Composer and npm‑based build tooling
• Experience working in Agile/Scrum teams using Jira for sprint planning, story tracking, and backlog grooming
• Comfortable using AI coding assistants (e.g., GitHub Copilot) as part of daily development workflow

Nice to have skills

• WordPress VIP platform experience
• PHP Unit testing
• Experience in a regulated industry (financial services, healthcare, etc.)
• Veracode or other application security scanning tools
• Experience working with third‑party REST APIs (consuming endpoints, handling auth, basic debugging)
• Experience working in Agile work environment.

Supervisory responsibilities

• No

Potential for growth

• Regular training
• Continuing education courses

Compensation information

The base salary range for this position is $100,000 - $115,000. This range is estimated for this role. Actual pay may be different. This will be posted through June 28, 2025.

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.

We are an equal opportunity / affirmative action employer. All applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.

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 page here.

All applications are subject to background checks.