# Quantitative Strategy Developer Internship: Summer 2027 (London) [Susquehanna](https://www.jorb.ai/firms/susquehanna.md) · London · United Kingdom · [Hedge Fund & Quant](https://www.jorb.ai/jobs/hedge-fund-quant.md) Susquehanna is hiring a Quantitative Strategy Developer Internship: Summer 2027 (London) in London. Posted 2026-08-21; applications close 2026-10-20. **Apply**: https://careers-sig.icims.com/jobs/11333/quantitative-strategy-developer-internship%3A-summer-2027-%28london%29/job Posted 4d ago. ## Role details ## Quantitative Strategy Developer Internship: Summer 2027 (London) Susquehanna is looking for highly motivated full-time students for our 10-week quantitative strategy development summer internship program, based between our EU Headquarters in Dublin, Ireland, and our London office. This is a computationally intensive role at the intersection of trading, quantitative research, and technology. Throughout the summer, you will receive education on how markets work through deep dives into financial markets and Susquehanna’s approach to trading. You will also work on challenging projects for our trading strategy development teams, including signal creation and detection, quantitative strategy analysis, and low-latency C++ strategy development. You will collaborate side by side with senior developers who understand the nuances of building complex trading strategies. Our quantitative strategy developers are part of high-performing teams that build powerful trading systems in the finance industry, combining data analysis and technology skills. ## What We’re Looking For - **Class of 2028:** You are a master’s or bachelor’s student in your penultimate year, majoring in a quantitative and/or STEM discipline such as computer science, computer engineering, mathematics, or data science. You intend to graduate and begin full-time employment by August 2028. - **Clear Communicator:** You enjoy building relationships with colleagues and are comfortable sharing ideas, expressing your thoughts, and listening to others’ views. - **Ambitious:** You set personal goals and put in your best effort to achieve them. - **Technically Proficient:** Strong software development skills in Python and a compiled language. Experience and comfort working with data using libraries such as Pandas, Polars, or NumPy. Exceptional quantitative, logical reasoning, and analytical skills. - **Problem Solver:** You use clear and sound reasoning, and you like using numbers and data to develop sensible solutions. ## What’s in It for You ### Education Market-leading education and training programs, including classes covering topics such as Options Pricing, Machine Learning, Data Analysis Techniques, Game Theory, Trader Talks, and in-house trading games. ### Collaboration Work with a wide range of people in the classroom and through project work, with shared interests in mathematics, problem-solving, game theory, and technology. ### Culture A non-hierarchical, casual, and collaborative culture that supports continuous development at every level. ### Perks - Highly competitive compensation package. - Office located in Ireland’s Financial Services Centre in the heart of Dublin’s city centre, with free onsite catering, a games room, and a fully equipped in-house gym. - Weekly social events throughout the summer. - Accommodation provided for interns joining from outside Dublin for the duration of the internship. ## About Susquehanna Susquehanna is a global quantitative trading firm powered by scientific rigor, curiosity, and innovation. Our culture is intellectually driven and highly collaborative, bringing together researchers, engineers, and traders to design and deploy impactful strategies in our systematic trading environment. We use machine learning and advanced quantitative research to analyze vast datasets, uncover actionable insights, and build effective strategies by combining deep market expertise with cutting-edge technology. ## Additional Details - We hire for our QSD internship on a rolling basis. Limited places are available for the 2027 QSD internship, so candidates are encouraged to apply early. - The interview process includes a series of interviews: coding, mathematics, system design, and behavioral interviews. - The summer internship is 10 weeks and runs from late June to late August. - Applicants must be legally eligible to work in Ireland and the UK. - Susquehanna is an equal opportunity employer and is committed to diversity and inclusion throughout the recruitment process. Reasonable accommodation is available upon request during the application or recruitment process. ## Applying to this role This Quantitative Strategy Developer Internship: Summer 2027 (London) role at Susquehanna runs through the firm's own careers portal and expects a CV and cover letter written specifically for the posting, not a portable submission carried across firms. Jorb AI's application agent tailors a CV and cover letter from your background to this posting and tracks the role alongside the rest of your applications. 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