Software Developer Summer Internship London 2027

Software Developer Summer Internship (London) 2027

Maven Securities is a leading proprietary trading firm that leverages sophisticated technology and quantitative analysis to trade in global financial markets. We specialise in options and derivatives market making, where your skills can be directly applied to have a real impact.

Our intern programme is designed for a small number of high-potential individuals each year, combining comprehensive training, real responsibility, and long-term development. We invest in every individual who joins the team.

Programme Details

• Location: London
• Programme dates: 21st June – 20 August 2027
• Application deadline: 21st October 2026

Training and Project Work

You’ll begin with a structured 2-week training programme designed to prepare you for your project work, focusing on technical foundations and domain knowledge.

Following training, you’ll transition into a 7-week project, continuing to learn through hands-on experience. Intern projects provide insight into life in a Maven Technology team.

What You Will Be Doing

• Be directly embedded in Maven engineering teams to work on real-world problems
• Have a direct impact on the day-to-day workings of a high-performance trading firm
• Collaborate directly with Developers and Traders

How and What You Will Learn

• Progress through a structured onboarding programme with clear learning milestones
• Build your foundation through theory and exercise-led training led by Maven’s Head of Technology Training & Graduates
• Attend desk shadowing opportunities with current Graduates across a range of Technology teams to gain insight into future Graduate Developer work
• Develop knowledge of the fundamentals of some of Maven’s main programming languages, e.g. C++, C#, and Python, as well as TypeScript and React
• Learn how to use some of Maven’s in-house tools and systems, with a strong focus on engineering rigour
• Attend regular check-ins with the Technology and Emerging Talent teams

Who You Are

Key Criteria

• A penultimate-year undergraduate or master’s student
• A genuine interest in software development and curiosity to learn
• Familiarity with one or more programming languages
• A willingness to adopt and utilise emerging AI technologies

We’re Looking for Someone Who Is

• An entrepreneurial thinker with the ability to generate ideas, take initiative, and drive innovation
• A critical problem solver and decision maker who can analyse situations, think clearly, and make effective decisions
• An agile learner who can quickly acquire knowledge, take on feedback, adapt, and apply insights across different contexts
• Able to synthesise information, resolve conflicting inputs, see the bigger picture, and translate complex information into actionable recommendations
• Collaborative and influential, able to build trust, work effectively with others, and positively impact the team
• Results-focused and accountable, taking ownership and delivering outcomes reliably

Why Maven?

• Dedicated In-House Trainers: Gain the tools to succeed in a rapidly evolving market where AI is integral to our strategy and daily operations. Tailored curriculums led by in-house experts cover technical and professional skills, including guidance on adopting AI best practices.
• Accelerate Your Career: Over 9 weeks, progress your understanding of software development and have the opportunity to be considered for a full-time Graduate Developer role for the following year.
• Proven Pathways: Benefit from structured pipeline programmes for long-term success. Around a quarter of Maven’s workforce joined through an Emerging Talent Programme, with many staying from Spring Week through the Graduate Programme and beyond.
• Supported to Succeed: Committed to fostering an inclusive workplace where everyone can perform at their best, with recruitment support where needed and employee resource groups that help build community across the firm.
• Grow with Guidance: Receive regular feedback, structured review points, and informal off-desk chats. Everyone in our Emerging Talent Programmes is also paired with a Maven buddy for practical advice and day-to-day support.
• Make a Real Impact, Fast: Interns are embedded directly into our tech teams, contributing to critical projects. Recent interns contributed to the foundations of Maven’s AI initiative, including creating agentic workflows for different business functions and improving Trader and Developer tooling.

Please Note

• We accept one application per candidate, per recruitment cycle
• Visa sponsorship is available for selected roles; please see the FAQ page for details: https://www.mavensecurities.com/emerging-talent/

Maven is an equal opportunity employer committed to building a diverse workforce and creating an inclusive environment. We welcome applications from all candidates regardless of background or identity.

Benefits at Maven

As an intern joining Maven, you’ll be eligible for a range of benefits, including:

• 25 days of annual leave pro-rated for the duration of the Internship
• Eye care support, life assurance, and an Employee Assistance Programme
• Frequent cohort-specific and office-wide social events, from welcome dinners and summer parties to immersive arcade games and end of programme celebrations
• Daily breakfast and lunch in the London office, plus snacks and drinks throughout the day
• Access to wellness benefits such as office gym access and massages
• Work in a forward-thinking environment where AI is integral to our strategy and daily operations