Quantitative Investment Strategies(QIS) Platform Developer

Barclays; London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A major financial services firm in London seeks a QIS Platform Developer to enhance their quantitative investment strategies. You will create high-performance tools in Python, collaborating closely with trading teams. The ideal candidate should have strong Python skills, experience in production-quality software development, and a robust analytical mindset to drive innovation and efficiency in financial solutions.

Qualifications

• Familiarity with a wide range of programming languages and paradigms, including functional.
• Strong Python skills with deep knowledge of the language and core libraries.
• Foundational understanding of computer science principles and software engineering practices.
• Experience developing production-quality software.
• Analytical mindset and excellent problem-solving skills.

Responsibilities

• Create and enhance platform tooling, libraries, and frameworks in Python.
• Collaborate with traders, strategists, and stakeholders to gather requirements.
• Implement new features, enhancements, and functionalities on trading platforms.

Skills

Strong Python skills

Familiarity with programming languages

Analytical mindset

Strong communication

End-to-end project delivery

Job description

Overview

Quantitative Investment Strategies(QIS) Platform Developer

Join Barclays’ QA Equity & Hybrid Products team as a QIS Platform Developer to support the next-generation Quantitative Investment Strategies (QIS) platform. Partnering with Trading, Structuring, Strats, and Technology, you will design and deliver high-performance, scalable tools, libraries, and frameworks that power innovative investment products, within a collaborative and intellectually demanding environment.

Accountabilities

• Create and enhance platform tooling, libraries, and frameworks in Python and other languages as appropriate, delivering scalability, performance, and reliability.
• Contribute to platform architecture and integration with infrastructure, services, and end-user workflows.
• Work closely with front-office teams to deliver tools that support product development, trading, and risk management.
• Maintain code, documentation, and work tracking to a high quality.
• Support users across Front Office, Quant, and Technology groups.

Who You’ll Work With

• Front Office / Trading Desks – Delivering tools and solutions to develop and deliver products, manage risk and run the business.
• Quant Teams – Sharing functionality and expertise across QA Equity & Hybrid Products.
• Technology – Ensuring agile, efficient platform delivery and operational stability.

Essential Skills

• Familiarity with a wide range of programming languages and paradigms, including functional.
• Strong Python skills with deep knowledge of the language and core libraries.
• Foundational understanding of computer science principles and software engineering practices.
• Experience developing production-quality software (source control, CI/CD, automated testing).
• Strong grasp of software engineering principles and computer science fundamentals.
• Track record in end-to-end project delivery.
• Analytical mindset and excellent problem-solving skills.
• Strong communication and a collaborative approach.

Desirable Skills

• Background in QIS or front-office quant environments.
• Experience in platform development and developer experience.

Location

London

Accountabilities

• Design, development, and maintenance of high-performance trading platforms, risk systems, and applications catering to the needs of traders and market participants.
• Collaboration with traders, strategists, and stakeholders to gather requirements and translate them into scalable and efficient technological solutions.
• Implementation of new features, enhancements, and functionalities on trading platforms to improve performance, reliability, and user experience.
• Stay updated on technological advancements, industry trends, and best practices to drive innovation and continuous improvement in trading platforms.
• Collaboration with cross-functional teams including business aligned SM&D teams, strats, compliance, and IT to address system issues and implement solutions.

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Finance and Sales

Industries

• Banking and Financial Services