Application Engineer Intern

Location: Denver, CO, US

Application Engineer Intern

City

Denver

Division

Technology Delivery

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 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

This is a 10-week summer internship program from May 31st to August 6th, 2027, focusing on first-hand experience in the team and discovering what your future would be like with us through induction, on the job learning, skills trainings and networking.

Be part of the Application Engineering team, working across business and technology to design, build and ship applications that solve real business problems

Learn how the business works and partner with stakeholders and engineers to turn business requirements into working features

Write clean, tested code and SQL, working alongside AI coding assistants and agents and checking that what they produce is correct

Help automate how our applications are built, tested and deployed using CI/CD pipelines and DevOps tooling

Document your work and take part in code reviews to learn and apply engineering best practices

Carry out other duties as assigned

What to expect when you join our firm

Hybrid working and reasonable accommodations

Generous Holiday policies

Excellent Health and Wellbeing benefits including corporate membership to Wellhub

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

Unique employee events and programs including a 14er challenge

Complimentary beverages, snacks and all employee Happy Hours

Must have skills

A college sophomore or junior pursuing a Bachelor's or higher degree in Computer Science, Software Engineering, Computer Engineering, Information Systems or a relevant subject

Strong computer science fundamentals (data structures, algorithms, debugging) and the judgment to review, test and correct code, including code generated by AI agents

Good understanding of object-oriented programming concepts (encapsulation, inheritance, polymorphism, abstraction) and hands-on coding in at least one language such as Java, C#, Python or TypeScript

Good understanding of SQL and relational database concepts, including joins, aggregations and data modeling

A builder mindset, shown through projects built and shipped end to end (coursework, hackathons, personal or open-source projects)

Working knowledge of Git and DevOps practices, and the drive to automate how code is built, tested and shipped (CI/CD)

Eagerness to learn the business, ask good questions, communicate clearly and turn business requirements into working software

Strong attention to detail: tests thoroughly, checks edge cases and takes pride in getting it right

Strong work ethic and sense of ownership: reliable and follows through on commitments

Candidates must be enrolled as a full time student at the time of the internship

Candidates must be authorized to work in the U.S.

Nice to have skills

Hands-on experience building CI/CD pipelines or build automation with tools such as GitHub Actions or Azure DevOps

Experience building with AI coding assistants or agents, such as GitHub Copilot, while reviewing and testing their output

Experience writing automated tests, such as unit or integration tests

Exposure to cloud platforms (e.g. Azure or AWS), containers such as Docker, or REST APIs and integrations

A GitHub profile or portfolio of personal projects

Interest in financial services, or a basic understanding of financial instruments and the trade life cycle

Supervisory responsibilities

No

Potential for growth

Mentoring

Leadership development programs

Regular training

Career development services

Continuing education courses

Compensation information

The hourly rate for this position is $25.00. This range is estimated for this role. Actual pay may be different. Candidates are responsible for their own housing and travel expenses. This position will be open through Sunday, November 15th, 2026.

Colorado law requires an estimated closing date for job postings. Please don't be discouraged from applying if you see this date has passed.

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 [email protected].

#LI-LN1 #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