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

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

Java Developer - Full Stack - Banking An excellent opportunity for a full stack Java developer opens at a leading international bank in their London office. This is a great chance to work closely with Senior developers and key stakeholders to build greenfield solutions from scratch and provide expertise on the full software development life cycle. Requirements: Professional experience in a Software Product/IT Development sphere Demonstrate Server Side software coding maturity using Java 11+ but also knowledge of SQL (DB2/SQL Server/Postgres preferred). Demonstrate excellent use of Design Patterns/Micro Services/RESTful APIs Basic capability in UI Development using advanced JavaScript (React and Node.js preferred) HTML, CSS Working in a Technical Agile environment (eg Build tools, Static/Dynamic code analysis, CI/CD eg Jenkins/TeamCity) Relevant educational qualifications Self-motivation and tenacity to push new ideas through whilst still respectively considering other's input and insights. Hold and express independent views respectfully Knowledge of Client-Side development using React/Node.js JavaScript, HTML, CSS is a bonus Knowledge of Elastic ELK stack is a bonus. Knowledge of Container platforms (eg Docker/Kubernetes) is a bonus. Knowledge of Test Automation tools like Cucumber/Selenium is a bonus Interested? Please Apply! Software Developer Software Engineer Technical Lead Java SQL Developer Software Solutions Finance Bank Banking Financial Services Trading Java Developer

Integration & Solution Architect - Cloud Solutions - Banking Excellent opportunity opens for an Integration and Solution Architect to join a growing International Bank's London office and play a crucial role in designing, implementing, and managing complex software integration solutions. You will work closely with stakeholders to understand business needs, creating architectural designs that align with enterprise goals, and ensuring seamless integration of systems, applications, and services across the bank. The ideal candidate will possess deep technical expertise , strong problem-solving abilities , and a strategic mindset to drive the banks technology and business roadmaps forward. Key responsibilities Solution Architecture Design Develop and document high-level architecture designs, solution blueprints, and integration strategies that align with the bank's business requirements. Define and maintain architecture standards, principles, and best practices. Lead the design and delivery of complex integrations involving cloud solutions (public, private and SaaS) Integration Strategy and Implementation Design and oversee the implementation of end-to-end integrations using Middleware platforms, APIs, microservices, and other technologies. Collaborate with development teams to implement integration solutions, ensuring scalability, security, and reliability. Technical Leadership and Collaboration Act as a technical advisor to stakeholders, providing guidance on system and data integration challenges and opportunities. Partner with cross-functional teams, including software engineers, data engineers, DevOps, and business analysts, to ensure successful project delivery. Mentor and guide development teams on integration best practices and architecture principles. Solution Validation and Optimization Review existing systems and integration points to identify opportunities for optimisation and innovation. Ensure solutions comply with architectural guidelines, security standards, and regulatory requirements. Troubleshoot and resolve complex integration issues to maintain system reliability and performance. Documentation and Knowledge Sharing Create comprehensive architecture documentation, including diagrams, process flows, and technical specifications. Share knowledge and expertise through training sessions, presentations, and technical workshops. Define and execute an integration roadmap and strategy. Qualification & Experience Bachelor's or Master's degree in Computer Science, Information Technology, or related field Certifications in relevant technologies or architectural frameworks (Microsoft Azure and Software AG are preferred). 7+ years of relevant work experience overseeing/driving technology transformation within the banking sector. Proven experience in developing integration solutions with on-premises and cloud-based applications. Familiarity with Agile methodologies and DevOps practices. Excellent communication and presentation skills with the ability to convey complex technical concepts to both technical and non-technical stakeholders. Strong analytical, problem-solving, and decision-making capabilities. Ability to work in a fast-paced, dynamic environment, managing multiple projects simultaneously. Interested? Please Apply Azure Solutions Architect Integration Engineer Azure Engineer Architect Bank Banking Strategy DevOps Microsfot Azure Digital Transformation Financial Services Agile

Salesforce Developer - Salesforce Financial Services Cloud - Banking Excellent opportunity for an experienced Salesforce customisation and integration developer to collaborate with the Salesforce technical lead and architects to perform system enhancements and developments, whilst contributing to Salesforce FSC integration projects. This is a great chance to work within a growing international bank and have numerous opportunities to partner closely with broader teams. Requirements: 5+ years of experience as a Salesforce customisation and integration developer with proven knowledge across declarative configuration and programmatic development Knowledge of REST APIs, streaming API, CDC and Platform events Experience in Financial Services Cloud and Vlocity (Salesforce Industries) Expert in Salesforce Lightning, flows, Salesforce security model and other configuration tools in Salesforce Experience in customisation leveraging LWC and Apex (triggers, batch classes) Good experience in Omnistudio - Omniscripts, Flex Cards, Data Raptors and Integration Procedures Experience in implementing eID&V solutions Experience in working for a bank or a financial institution Salesforce system admin, developer, app builder and omnistudio developer certification Interested? Please apply. Salesforce Developer Salesforce FSC Salesforce Lightning FSC Financial Services Cloud Bank Banking Finance Financial Services Vlocity API Application Programming Interface