Rothstein Recruitment Ltd

Senior Quant Developer - Java - Digital Assets Excellent opportunity opens for a Senior Quant Developer to join a Global Crypto Trading Firm. Sitting between Quantitative Research, Trading and production engineering, you will build and enhance quantitative pricing technology. You will take ownership of the mathematical design and Java implementation of OTC client-pricing, liquidity and hedging models. The role Design and implement quantitative pricing models for institutional OTC trading Build high-performance production services using modern Java, including Java 21 or 22 Develop client-specific pricing, spreads, skews and liquidity models Analyse client flow, execution behaviour, toxicity and price decay Develop pricing and hedging optimisation algorithms Translate quantitative research and mathematical models into robust production code Work closely with Quant Researchers and Traders on model design, testing and calibration Improve the performance, resilience and scalability of distributed pricing systems Use Python for quantitative analysis, model prototyping, data analysis and backtesting Required experience Strong commercial experience as a Quant Developer Advanced Java development experience, ideally using Java 21 or 22 Experience implementing pricing, trading, hedging or optimisation models Direct experience of client pricing, market making or algorithmic trading Experience within crypto or another liquid electronic market such as FX, equities, ETFs or listed derivatives Knowledge of OTC markets and institutional client pricing Strong quantitative and mathematical foundations Degree-level background in Mathematics, Physics, Computer Science, Engineering, Quantitative Finance or another highly numerical discipline Strong understanding of object-oriented design, concurrency and distributed systems Ability to turn mathematical concepts and research models into reliable production software Particularly relevant experience Digital assets or cryptocurrency markets Electronic market making OTC spot, forwards, futures, NDFs, CFDs or options Pricing skews and spread optimisation Client-flow analysis and toxicity modelling Automated hedging and inventory optimisation Numerical optimisation or machine learning applied to pricing or trading Python quantitative libraries such as NumPy, SciPy and Pandas Low-latency or high-throughput trading systems Quant Dev Quant Developer Quantitative Developer Java Java 21 Java 22 Java21 Java22 J21 J22 Institutional OTC Trading Liquidity Models Crypto FX Equities ETFs Digital Assets Cryptocurrencies OTC Forwards Futures NDFs CDFs Options Trading Finance Financial Institutions

Rust Engineer - Web3 - Crypto - Smart Contracts Excellent opportunity opens for an Engineer experienced in building complex systems using Rust , who is passionate about Crypto and blockchain technology and excited to drive innovation. The ideal candidate will have worked in the Crypto Space and will be well-versed at building Smart Contracts . Strong understanding of Rust and can design and implement robust, efficient, and secure systems. Comfortable writing clean, scalable, and well-tested code. Working in a fast-paced start-up environment, where you'll need to take initiative and solve problems independently. Pushing code that supports tens of billions of dollars of daily transactional volume doesn't scare you. Tech-passionate, curious and eager to learn new technologies and design patterns. Experienced at navigating up and down a deep technical stack. Capable of articulating complex technical concepts clearly and succinctly. Excellent problem-solving skills and attention to detail. About You: Bachelor's degree in Computer Science or related field, or equivalent practical experience. 4+ years of experience in systems programming, with a strong focus on Rust. Previous experience with blockchain technologies, smart contracts, and decentralised finance. You have conviction in your architecture/designs/ideas but are open minded to share and build solutions with others. Experience with AWS services, particularly related to deploying, managing, and scaling applications. Proficiency in Back End development languages, such as Typescript. Experience working with workflow engines. Interested? Please Apply! Rust Developer Rust Code Rust Coding Rust Specialist Software Engineer Developement Rust Engineer Crypto Digital Assets Blockchain Web3 Web3 Go Golang Programme Programming Decentralised Azure AWS Automate Smart Contract Smart Contracts Small Contracts Equity Bank Banking Hedgefund Trading Low Latency Ultra Low Latency Financial Services Decentralised Finance Remote WFH Hybrid Work Abroad Ethereum

Head of Security Architecture - CISSP - Banking Excellent opportunity for an experienced Leader with strong, current technical knowledge (CISSP) to join a leading retail and corporate bank as a systems modernisation and Change The Bank InfoSec Manager. This is a great chance to be the Manager for a team of 10 to resolve a broad range of security and privacy issues whilst working closely with engineers, product managers, and stakeholders. Requirements: Information Security - Solid, practical and demonstrable experience of information security (technical and non technical aspects) Technology Change - Demonstrable experience of supporting technology change initiatives to deliver solutions securely You are a confident leader, able to set the tone and direction for a diverse team of subject matter experts, offering coaching and support as required You are a skilled communicator, able to convey complex security issues to a wide audience, including non-technical colleagues. You love building strong interpersonal relationships across engineering, product, compliance, and business teams to foster a culture of shared security ownership. You are great at identifying information security risks and you enjoy finding creative solutions problems. You have a wide range of information security knowledge and crucially, you are aware of your own knowledge gaps and able to seek support and guidance as required. You understand the intersection of Risk Management and Information Security and how these relate to each other in a Financial Service business 3LoD model. Hold or have the capability to attain appropriate external qualifications, such as Certified Information Systems Security Professional CISSP. Privacy - You don't need to be a privacy expert but you will require a good understanding of core privacy concepts and how these apply to technology change initiatives Line Management - Previous experience leading and managing teams Financial Services - Experience working in FS or other highly regulate industry Intra-Group - Experience working in a intra-group outsourcing arrangement Security Manager Change The Bank CTB Security Consulting System Modernisation Security Architect Information Security Core Banking Bank Finance Financial Services Line Manager Technology Change

End User Technology Analyst - Desktop Support - Trade Floor - Investment Banking Excellent opportunity opens for a confident, enthusiastic and engaging individual with Desktop Engineer/Trade Floor Support experience to join a leading International Bank's team. The successful candidate will be confident and proactive, with an eye for change and growth. In addition to providing day-to-day trade floor, service desk and desktop support, the individual is expected to undertake project work, including: Product evaluations and recommendations Assist in the development of technical standards and operating procedures Provide assistance to Senior Support Analysts Application upgrades and deployments Service Now provisioning You will have the opportunity to support the International Technology management in governance reporting for internal control testing, internal audit and data centre reporting as a regulatory requirement. There will equally be a Project focussed element, where you will get involved in the maintenance and creation of application support documentation and project execution across a range of Front Office and business support application suites. Main Objectives Provide detailed feedback to business managers and leaders Assist with maintaining IT controls, processes and associated reporting. Manage requests for information updates associated to controls and assurance delivery. Active involvement in UK and Group technology resiliency and Disaster Recovery testing and associated planning and reporting. Oversee and support Audit, Risk and Technical control assessment requests. Assistance with regulatory and audit items working with the International Technology Governance Manager Tier 1 customer desktop support and Service Desk operations Hardware support and life cycle management Application installs, moves and changes Application and hardware upgrades and mass deployments Service Desktop project tasks execution Mobility support via BB UEM and WorkSpace One products Support SCCM Patching MS Deployments where and when necessary Updating Audit documentation Monitoring and management of team ITSM/Service Now queues Skills/Knowledge Required Strong Customer/Service focus Team player with self-motivation Well presented professional with good all round communications skills Diligent work ethic to adhere to audit mandated processes Flexible and able to work under pressure Experience in supporting trading floor environments from Service Desk side Knowledge of Windows 10 and Microsoft Office products Strong background in ITSM platforms - eg Service Now, Remedy, Cherwell. Full Blackberry UEM device support Taking on Service Desk projects and ownership whilst liaising with 3rd party vendors and or other Teams within the Bank. Interested? Please Apply! EUC Analyst Desktop Support Engineer Service Desk Trade Floor Support Data Governance Network