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 programme from June to August, focusing on first-hand experience in the Client technology team and discovering what your future would be like with us through induction, on the job learning, skills trainings and networking.
-
Get an overview of and gain valuable experience in client technology as a product and data analyst for the asset management industry
-
Gain valuable knowledge and insight into how IT is used to support the Asset Management process and how that translates into Client Tech Apps Product
-
Learn how an IT department operates
-
Contribute to data and reporting development projects
-
Learn time management by having weekly assigned work deadlines
-
Expand knowledge of software development lifecycle
-
Demonstrate keenness to learn from senior members in the IT teams and the business partners
-
Work closely with all members of the Client Technology platform support teams, business partners, and external vendors to support Client Technology platform solutions
-
Learn JHI Data Management processes and standard methodologies
-
Support the Client Tech Apps team with building data lineage, cataloging, creating data quality rules, scorecards etc
-
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
-
All employee events including networking opportunities and social activities
-
Lunch allowance for use within our subsidized onsite canteen
Must have skills
-
Education: Currently pursuing a Bachelor’s or Master’s degree in Computer Science, Software Engineering, Information Systems, or a related quantitative/technical discipline
-
Core Programming Foundations: Strong grounding in an object-oriented language (e.g., C#, Java, or C++) and fundamental data structures and algorithms
-
Database & SQL Fundamentals: Practical experience writing relational database queries (SQL) to retrieve, filter, join, and analyse data
-
Web & API Basics: Basic understanding of modern web architectures, HTTP, and RESTful APIs / JSON payloads
-
Version Control: Familiarity with Git concepts (branching, commits, pull requests)
-
Mindset: Strong problem-solving skills, attention to detail, and a genuine eagerness to learn and contribute to a collaborative team environment
Nice to have skills
-
.NET & Modern Web Frameworks: Exposure to C# / .NET (or .NET Core / ASP.NET Web API) or modern frontend frameworks/component libraries
-
Cloud & Modern Data Platforms: Familiarity with Microsoft Azure concepts (e.g., Azure SQL, Function Apps, or Azure DevOps pipelines)
-
Scripting & Automation: Experience using Python or PowerShell for data processing, scripting, or automation tasks
-
Enterprise & Agile Tools: Hands-on experience with developer and collaboration workflows (Jira, Confluence, Git-based code reviews)
-
Emerging Tech: An active interest or foundational project experience with modern AI tools, LLM APIs, or data migration workflows
Potential for growth
-
Mentoring
-
Leadership development programs
-
Regular training
-
Career development services
-
Continuing education courses
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.
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.
Sectors
Locations
About us
Investment20/20 helps drive a forward thinking, responsible and inclusive investment industry where every firm attracts, develops and retains talented people from all backgrounds. Since 2013, we have helped more than 2,100 aspiring professionals start their career in investment management. Our unique paid Trainee Programme provides at least a 12-month paid job and an opportunity to develop the skills, experience, knowledge and network that helps our trainees continue to build their career.
Related jobs

Register your interest - Internships at ROKU
London

Summer Intern Product Safety Engineer
Barrow-in-Furness
£25,900

IT Project Intern (12 months)
Goole
£25,878

IT & Computer Science Immersive Internships
Dublin, Barcelona, Spain, Paris, France, Tokyo, New York, Sydney, Seoul, San Francisco, Berlin, Bangkok, Amsterdam, Stockholm, Toronto, ON, Canada
Sectors
Locations
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 programme from June to August, focusing on first-hand experience in the Client technology team and discovering what your future would be like with us through induction, on the job learning, skills trainings and networking.
-
Get an overview of and gain valuable experience in client technology as a product and data analyst for the asset management industry
-
Gain valuable knowledge and insight into how IT is used to support the Asset Management process and how that translates into Client Tech Apps Product
-
Learn how an IT department operates
-
Contribute to data and reporting development projects
-
Learn time management by having weekly assigned work deadlines
-
Expand knowledge of software development lifecycle
-
Demonstrate keenness to learn from senior members in the IT teams and the business partners
-
Work closely with all members of the Client Technology platform support teams, business partners, and external vendors to support Client Technology platform solutions
-
Learn JHI Data Management processes and standard methodologies
-
Support the Client Tech Apps team with building data lineage, cataloging, creating data quality rules, scorecards etc
-
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
-
All employee events including networking opportunities and social activities
-
Lunch allowance for use within our subsidized onsite canteen
Must have skills
-
Education: Currently pursuing a Bachelor’s or Master’s degree in Computer Science, Software Engineering, Information Systems, or a related quantitative/technical discipline
-
Core Programming Foundations: Strong grounding in an object-oriented language (e.g., C#, Java, or C++) and fundamental data structures and algorithms
-
Database & SQL Fundamentals: Practical experience writing relational database queries (SQL) to retrieve, filter, join, and analyse data
-
Web & API Basics: Basic understanding of modern web architectures, HTTP, and RESTful APIs / JSON payloads
-
Version Control: Familiarity with Git concepts (branching, commits, pull requests)
-
Mindset: Strong problem-solving skills, attention to detail, and a genuine eagerness to learn and contribute to a collaborative team environment
Nice to have skills
-
.NET & Modern Web Frameworks: Exposure to C# / .NET (or .NET Core / ASP.NET Web API) or modern frontend frameworks/component libraries
-
Cloud & Modern Data Platforms: Familiarity with Microsoft Azure concepts (e.g., Azure SQL, Function Apps, or Azure DevOps pipelines)
-
Scripting & Automation: Experience using Python or PowerShell for data processing, scripting, or automation tasks
-
Enterprise & Agile Tools: Hands-on experience with developer and collaboration workflows (Jira, Confluence, Git-based code reviews)
-
Emerging Tech: An active interest or foundational project experience with modern AI tools, LLM APIs, or data migration workflows
Potential for growth
-
Mentoring
-
Leadership development programs
-
Regular training
-
Career development services
-
Continuing education courses
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.
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.
About us
Investment20/20 helps drive a forward thinking, responsible and inclusive investment industry where every firm attracts, develops and retains talented people from all backgrounds. Since 2013, we have helped more than 2,100 aspiring professionals start their career in investment management. Our unique paid Trainee Programme provides at least a 12-month paid job and an opportunity to develop the skills, experience, knowledge and network that helps our trainees continue to build their career.
Related jobs

Register your interest - Internships at ROKU
London

Summer Intern Product Safety Engineer
Barrow-in-Furness
£25,900

IT Project Intern (12 months)
Goole
£25,878

IT & Computer Science Immersive Internships
Dublin, Barcelona, Spain, Paris, France, Tokyo, New York, Sydney, Seoul, San Francisco, Berlin, Bangkok, Amsterdam, Stockholm, Toronto, ON, Canada
.webp)
