Application Engineer Intern

Janus Henderson Group; Denver (CO); Hybrid; USD 28,000 - 40,000; Full time

Benefits offered by this job

Hybrid working

Health & wellbeing benefits

Volunteer time

Professional development support

Parental leave

Job summary

Janus Henderson Group is offering a 10-week summer internship in Denver, CO, from May 31 to August 6, 2027. You’ll gain hands-on experience in the Application Engineering team, building and shipping applications, and learning through induction, on-the-job training, and networking.

You will work across business and technology, write code and SQL, and collaborate with engineers and stakeholders to turn requirements into working features.

Qualifications

• Pursuing a Bachelor's degree in Computer Science, Software Engineering, Information Systems or a related field.
• Strong CS fundamentals, data structures and algorithms, debugging and testing.

Responsibilities

• Part of the Application Engineering team to design, build and ship applications that solve real business problems.
• Learn how the business operates and partner with stakeholders to translate requirements into features.
• Write clean, tested code and SQL, including AI-assisted code review for correctness.
• Help automate build, test, and deployment using CI/CD pipelines and DevOps tooling.
• Document work and participate in code reviews to apply engineering best practices.

Skills

CS fundamentals

OOP concepts

SQL basics

Git

CI/CD

DevOps tooling

AI code review

Problem solving

Education

Pursuing BS in CS/Software Eng

Tools

Git

CI/CD tooling

Azure/AWS

Job description

Select how often (in days) to receive an alert:

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

• H ybrid working and reasonable accommodations
• 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

• Regular training
• 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 [e-mail] .

#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 lifestyle benefits. To learn more about our offerings please visit the Why Join Us section on the career page here .

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.

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.