App Dev Summer Intern - Graduate Level

App Dev Summer Internship

Programme starts June 2025

Duration: 12 Weeks

Location: New York, New York

Our App Dev Summer Internship Programme has been crafted so that you can understand what a career in the Post Trade Application Development team at LSEG would really be like. Our internships are actual roles within LSEG. As an intern, you play a part in the success of our organisation.

This position is within the Application Development Team within the Post Trade Engineering division based in New York.

To be eligible, you must be in your penultimate year of graduate study and due to complete your degree on or before summer 2026. You should have a predicted PhD or master's degree in Math, Physics, Financial Engineering, Computer Science or other quantitative fields.

Internship Summary

The Application Development team creates the systems that deliver the service to clients. It is this team's responsibility to design and build systems that permit financial market participants to securely provide risk and trade data to the company, to deliver that data into the quantitate algorithms developed by the quants, and to return the output of those libraries safely back to the participants in a timely manner.In addition, the systems should provide feedback to the clients to help them understand the results as well as how they can modify their parameters and data to gain improvements in the future. Our systems live in the cloud, currently hosted by AWS.

The successful candidate will work as part of a small team of 5-7 developers to build and research improvements to the applications & environment. They will work directly with product management team to enhance the product based on feedback from clients and analysis of runs as well as on strategic projects. Examples of possible projects, all of which will involve writing a program in python, include:

• Design and build a Data Masking Tool to allow us to generate data-sets for development and testing without compromising real client data
• Simulate the creation and evolution of a compression scenario to automate parts of the QA process performed by products team
• Build a chat-bot to post messages to our internal chat room regarding status of runs and application infrastructure

Desired skills:

• Current MSc/MEng student in a STEM discipline
• Solid understanding of python for executable & repeatable programs (as opposed to data analytics). In particular, familiarity with pandas, numpy & dask
• Experience with the unix command line
• Some experience with AWS
• Knowledge of Interest Rate Swaps
• Excellent communication & problem-solving skills
• Knowledge of Interest Rate Swaps
• Excellent problem-solving skills

Applications Close: 27 November. However, we recommend an early application because we consider candidates on a rolling basis. Depending on the volume of applications, we may close the application process earlier.

• The first stage of the recruitment process involves a review of your CV/application.

• Should you pass the initial screening stage, we will invite you to complete an online skills assessment.

• The next step is a virtual interview where we will gain a deeper understanding of your motivations for the role and assess your understanding of some of our key competencies.

• The final stage is an assessment centre which involves several different types of exercises - further information is provided at the point of invite.

Compensation/Benefits Information (New York applicants only):

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Together, we are aiming to achieve this growth by accelerating the just transition to net zero, enabling growth of the green economy and creating inclusive economic opportunity.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone's race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.

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