App Engineer

Why work for us?

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

What to expect when you join our firm

• Hybrid working and reasonable accommodations
• Generous Holiday policies
• Paid volunteer time
• Support to grow through professional development courses, tuition/qualification reimbursement and more
• All-inclusive approach to Diversity, Equity and Inclusion
• Maternity/paternity 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
• JavaScript (ES6+) including React for Gutenberg/Block Editor block development
• SCSS/CSS and responsive design implementation
• Comfortable working across multiple environments (local, dev, test, production)
• Experience with Git, branching strategies, and code review
• Experience with Composer and npm-based build tooling
• Experience working in Agile/Scrum teams using Jira for sprint planning, story tracking, and backlog grooming
• Familiarity with 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
• Experience working with third-party REST APIs (consuming endpoints, handling auth, basic debugging)
• Experience working in Agile work environment
• Supervisory responsibilities

Potential for growth

No

Mentoring

Limited mentoring opportunities available

Career development services

• 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.