Job Title: Scala Developer
This role focuses on designing and delivering performance‑critical, data‑driven systems that support equities, cash, and stock loan trading. You will work on core trading and inventory platforms, contributing to next‑generation equity swaps initiatives, trade lifecycle automation, and enhanced risk management capabilities. You will operate within Agile delivery teams and collaborate closely with quantitative analysts, traders, and business stakeholders to deliver robust, scalable trading solutions.
Responsibilities
* Design, develop, and maintain front‑to‑back equity swap trading systems using Scala with a strong emphasis on functional programming.
* Build and enhance high‑throughput, low‑latency platforms with a strong focus on performance, scalability, and reliability.
* Develop and support core systems, including data‑driven inventory and trade processing services used across equities, cash, and stock loan trading.
* Gather, analyze, and refine business and technical requirements, translating them into effective end‑to‑end solutions within Agile teams.
* Collaborate closely with quantitative analysts, traders, and other business partners to understand trading needs and deliver robust, fit‑for‑purpose trading solutions.
* Contribute to the design and implementation of high‑performance, distributed system architectures, including event‑driven and low‑latency patterns.
* Use Python for analytics, tooling, or supporting components where appropriate to complement the core Scala‑based platforms.
* Apply functional programming principles and Domain‑Driven Design (DDD) to create maintainable, testable, and well‑structured codebases.
* Participate actively in Agile ceremonies, code reviews, and continuous improvement initiatives to enhance delivery quality and team effectiveness.
Essential Skills
* Strong proficiency in Scala development with a focus on writing clean, efficient, and reliable code.
* Solid experience with functional programming principles and their practical application in production systems.
* Hands‑on experience designing and building high‑performance, distributed systems.
* Practical understanding of high‑performance system patterns, including event‑driven and low‑latency architectures.
* Experience working within Agile delivery teams and collaborating closely with cross‑functional stakeholders.
* Ability to gather, interpret, and translate business requirements into technical solutions.
* Strong problem‑solving skills and the ability to work on complex, data‑driven trading platforms.
Additional Skills & Qualifications
* Knowledge of equity derivatives, particularly equity swaps, is highly advantageous.
* Familiarity with Domain‑Driven Design (DDD) and its use in complex trading or financial systems.
* Experience using Python for analytics, tooling, or supporting components alongside core trading platforms.
* Background in trading, risk, or financial markets technology is beneficial.
* Exposure to Java or other JVM‑based languages is an advantage.
Why Work Here?
You will join a technology‑focused environment where high‑performance, low‑latency engineering is central to the business. The team values collaboration, knowledge sharing, and close partnership with front‑office stakeholders, giving you direct impact on trading outcomes. You will work with modern functional programming practices and sophisticated system architectures, providing strong opportunities for technical growth and exposure to complex financial products. The Agile culture encourages continuous improvement, innovation, and professional development.
Work Environment
You will work in an Agile, front‑office aligned technology team that builds and supports mission‑critical trading platforms. The environment is highly collaborative, with regular interaction between developers, quantitative analysts, traders, and other business stakeholders. The technology stack centres on Scala with a strong emphasis on functional programming, complemented by Python for analytics and tooling, and high‑performance, event‑driven, low‑latency system architectures. The role is office‑based or hybrid depending on team arrangements, with a professional dress code aligned to a trading and investment banking environment. Working hours follow core market hours with flexibility around project demands and production support needs.
Location
London, UK
Rate/Salary
700.00 - 900.00 GBP Daily
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