McCabe & Barton

Senior .NET Integration Engineer City of London (3 days in office) Up to £85,000 We are seeking a Senior Integration Engineer to design and build scalable, enterprise-grade UI systems using Blazor integrated with .NET APIs. This role focuses on owning the UI and integration layer within a modern microservices architecture, ensuring performance, scalability, and excellent user experience. You will work across UI architecture, Back End integration, and system design-applying clean architecture principles to deliver robust, modular applications for a financial services environment. Key Responsibilities Build modular, scalable Blazor-based UI systems for enterprise applications Define UI architecture patterns including state management, routing, and component design Work closely with Back End teams to integrate .NET APIs and microservices Translate business and design requirements into high-quality UI solutions Ensure performance, maintainability, accessibility, and responsive design standards Contribute to UI best practices, architecture decisions, and system design Develop integrations with third-party systems and internal platforms using APIs Support development of web applications using C#, ASP.NET, Razor, and JSON-based services Skills & Experience 5+ years' experience in .NET Front End development Strong hands-on experience with Blazor (Server and/or WASM) Solid understanding of component-based UI architecture and SPA design Experience working with REST APIs and .NET Core (v7+) Strong C# and asynchronous programming skills Experience with Azure (Logic Apps, Web Apps, Monitor) Familiarity with CI/CD pipelines (Azure DevOps) and automated testing Strong UI/UX awareness (layout, typography, responsiveness, design consistency) Exposure to React or similar Front End frameworks beneficial Financial Services industry experience

Leading Investment Management firm is seeking a senior React Native iOS mobile developer to join the team building the mobile app for their flagship Front Office platform. This platform is used by portfolio managers and analysts cross-asset to both manage portfolios and place orders, so strong communication skills are just as important as technical ability. Principal Responsibilities Delivery: Delivering functionality enhancements across the Equity screens, including the Orders workflow. Driving cross-domain improvements to shared controls and components. Improving app reliability and observability through expanded E2E test coverage, telemetry, monitoring etc. Providing support for the application and its users. Technical Excellence: Performing as a domain expert across the software life cycle (coding, testing, deployment), leading significant pieces of development. Leading code reviews and actively participating in providing feedback on others' designs and code. Being accountable for technical debt in your own software. Owning complex technical problems - breaking them down methodically, making tactical vs. strategic trade-offs, and adapting your approach as new information emerges. Leadership: Leading projects, work streams, or a small project team as required. Mentoring and supporting team members, particularly junior developers, and actively suggesting improvements to team practices. Business Knowledge: Able to work directly with business partners in an asset management context. Can articulate business needs and translate them into technology solutions. Required Skills and Experience: Technical Skills React Native - Proven track record of shipping and maintaining high-scale, production-ready React Native applications. You should have experience managing the full life cycle of an app that real users depend on - from feature development through to release and ongoing maintenance. Expert TypeScript - Deep comfort with advanced TypeScript patterns and ensuring strict type safety across Redux and navigation layers. Advanced State Management (Redux Toolkit + Saga) - Ability to architect and maintain complex state using Redux Toolkit and Redux Saga. Proficient with normalised state and advanced saga flows including error handling. Mobile CI/CD & Fastlane - Hands-on experience owning and debugging non-trivial CI/CD pipelines (GitLab preferred). This includes multi-environment builds, code signing via Fastlane Match, artifact publishing, and managing child pipelines. Testing Discipline - A test-first mindset with proficiency in Jest and React Testing Library, focusing on accessible querying by role and text. Comfortable with sophisticated mocking strategies and E2E frameworks such as Detox. iOS Build Toolchain - Solid understanding of the iOS ecosystem including Xcode, CocoaPods, simulators, and provisioning profiles. Able to independently troubleshoot build failures and signing issues. Preferred Skills and Experience: React Navigation - Experience implementing and typing complex navigation patterns (stack, tab, and nested navigators). Mobile UX/UI Sensibility - A sharp eye for design and the ability to build intuitive interfaces that maximise limited mobile screen real estate. AI-Assisted Development - Proficiency with modern AI tools (Copilot, Cursor, etc.) to accelerate workflows and code quality. Data Visualisation - Experience rendering performant charts, graphs, or dashboards within a mobile context. Real Time Data - Experience with WebSockets or transitioning applications from polling-based sync to Real Time architectures. Form Management - Experience handling complex user input using Formik and Yup. Previous financial services experience is useful but not required.

Leading Investment Management firm is seeking a highly skilled Unified Communications & Audio Visual Engineer to design, support, and enhance enterprise Unified Communications (UC) and Audio Visual (AV) platforms across the business. This role blends deep technical UC engineering capability with hands-on AV and meeting support, ensuring reliable, secure, and high-quality collaboration experiences for end users, executives, and trading environments. The successful candidate will support and evolve platforms including Cisco CUCM, WebEx (Dedicated Instance), Microsoft Teams, voice recording and enterprise AV meeting room technologies, while providing responsive meeting and event support. This role requires strong technical expertise, excellent communication skills, and a customer-focused mindset, operating within a global, distributed team. The successful candidate will be expected to attend the London office 3 days per week + 2 days WFH Key Responsibilities Unified Communications Engineering Design, configure, support, and enhance the global UC environment, ensuring high availability, performance, and security. Administer and troubleshoot Cisco Unified Communications Manager (CUCM), including dial plans, call routing, SIP integrations, upgrades, and incident resolution. Support WebEx Dedicated Instance, Microsoft Teams, and related integrations within the wider UC framework. Manage and troubleshoot CUBEs, SIP gateways, and SIP call flows. Oversee voice recording platforms (eg Redbox), ensuring regulatory compliance, data integrity, and operational reliability. Support trader turret systems (eg IPC Dealerboards), ensuring resilient communication for trading and Front Office environments. Monitor UC system performance and proactively address issues. Support and integrate Contact Center technologies (eg Webex Contact Center). Collaborate with network, security, and cyber teams to ensure secure and resilient UC services. Audio Visual & Meeting Support Provide first-line and second-line support for scheduled and on-demand meeting requests and AV incidents. Prepare, test, and support meeting rooms, including video conferencing, audio systems, and room control platforms. Coordinate and validate multi-site meetings, test calls, and complex conferencing scenarios. Provide hands-on support for executive meetings, global town halls, departmental events, and internal events. Support event planning staff with AV setup, live support, and post-event teardown. Perform diagnostics and troubleshooting for AV platforms including Crestron, Microsoft Teams Rooms, Zoom, WebEx, and other collaboration tools. Assist with installation, cabling, staging, and maintenance of AV and conferencing equipment. Maintain accurate records for incidents, requests, and resolutions via the service desk. Operational & Documentation Responsibilities Create and maintain high-quality design documentation, operational procedures, runbooks, test plans, and change documentation. Operate within an Agile delivery environment, supporting continuous improvement. Participate in on-call rotas and provide out-of-hours or weekend support where required. Assist with special projects and technology initiatives as directed by IT management. Maintain compliance with company policies, vendor standards, and software licensing requirements. Continuously develop knowledge of UC, AV, desktop, networking, and collaboration technologies. Key Skills & Experience Technical Skills Extensive experience with Cisco CUCM, including dial plans, call routing, troubleshooting, and upgrades. Strong experience with Microsoft Teams (configuration, troubleshooting, and integration). Experience with WebEx Dedicated Instance and UC platform integration. Knowledge of voice recording systems (eg Redbox) and regulatory requirements Knowledge of SIP, CUBEs, VoIP, and UC networking concepts. Experience supporting AV and meeting room technologies, including Crestron (ideally) or similar enterprise conferencing systems. Solid understanding of network protocols and basic desktop troubleshooting. Professional & Personal Skills Strong problem-solving skills with excellent attention to detail. Confident communicator, able to work effectively with end users, executives, and technical teams. Customer-focused with a friendly, professional approach. Ability to multitask and prioritise in a fast-paced environment. High sense of ownership, collaboration, and accountability. Willingness and ability to physically handle AV equipment (lifting, cabling, staging as required). Qualifications & Background Minimum 2+ years' experience in Unified Communications, AV support, or collaboration technologies. Industry certifications are desirable: CCNP Collaboration Microsoft Teams Certified AV or UC vendor certifications Working knowledge of Windows 11, Microsoft Office, and Outlook.

We are looking for a talented and driven Front End Developer with a passion for building exceptional user experiences. This is a fantastic opportunity to join a well-established financial services organisation on a permanent basis and take ownership of complex, enterprise-scale UI systems - working at the intersection of design, engineering, and architecture. If you thrive on writing clean, scalable Front End code, enjoy collaborating with cross-functional teams, and want to make a real impact on products used by thousands of customers, we'd love to hear from you. About the Role This role is focused on building complex, modular UI systems using Blazor integrated with .NET APIs. You will own the UI and integration layers at a systems and microservices level, applying clean architecture principles and delivering user experiences that are both visually polished and technically robust. You won't just be writing code - you'll be setting standards, shaping best practices, and working closely with product designers, Back End engineers, and business stakeholders to deliver scalable, enterprise-grade solutions. Key Responsibilities Design and implement modular, scalable reactive Blazor UI systems for a large, evolving client-facing application. Define UI layer patterns and best practices for state management, component communication, routing, and dynamic rendering. Translate business requirements and design files into clean, performant Front End code. Collaborate with Back End developers on .NET APIs to align data integration with Front End flows. Plan for performance, maintainability, and reusability across components and screens. Prioritise accessibility and enforce responsive design principles throughout the application. Lead or contribute to technical decisions on Front End structure, dependency injection, and shared services. Design and develop integrations from third-party systems using APIs connected to Back Office systems. Build and maintain web applications to support business processes (C#, Razor, ASP.NET, JSON, Redis Cache, Microservices). Technical Skills & Experience 5+ years of professional experience in .NET-based Front End development. 5+ years of hands-on expertise in Blazor (Server and/or WASM). Proven track record architecting UIs for enterprise-scale or modular applications. Deep knowledge of component-driven development, UI state management, layout systems, and SPA navigation. Strong experience working with REST APIs and .NET backends. Excellent command of C#, .NET Core 7, and asynchronous programming. Demonstrated ability to deliver pixel-perfect UIs from design specifications. Strong eye for UX detail - typography, spacing, and design consistency. Experience with Azure DevOps, CI/CD pipelines, and Azure Monitor. Familiarity with LogicApps, Azure Web Apps, React, or additional Front End frameworks. Experience with automated testing frameworks. Skills & Competencies Ability to communicate complex technical concepts clearly to non-technical audiences. Excellent time management skills with the drive to deliver under pressure and to tight timescales. Strong analytical and critical thinking skills to troubleshoot complex issues and adapt to evolving requirements. Proactive, self-motivated, and collaborative with strong relationship-building skills. Passion for delivering positive outcomes for end users and stakeholders. Experience liaising and coordinating with third-party suppliers. Please do send your CV in the first instance.

Interim Head of Service Desk - London A leading financial services client is currently looking for an Interim Head of Service Desk for an initial 3-month contract position. Skills and Qualifications: Experience of supervising and managing a busy IT Service management function Strong ITIL methodologies(Incident, Problem and Change management) Excellent leadership skills to motivate and move the team forward Strong Excel skills for reporting purposes Agile/Scrum practices would be useful Experience working in a customer facing role 3rd Party service provider management experience Demonstrable experience of managing a function that provides end user support in a financial services environment Experience providing resource for and working within a structured change management environment for project delivery Experience defining and establishing service management workflows and processes aligned with the ITIL framework Windows 10/11, MS O365, MS Copilot and Active Directory knowledge Understanding of security platforms, strong Firewall experience Good technical knowledge of Intune, AD, Azure, Compute, Storage and Networking Duties and Responsibilities: Ensure staff are exceeding expectation and are meeting defined metrics and or objectives that you have set Ensure that the team is delivering BAU and project commitments Train, coach, develop and mentor staff Overall responsibility for 1st/2nd line support operations Implementing a robust service management structure and service catalogue processes Reporting and presenting at technology and business forums If you have a Career history in delivering good quality service management and excellent leadership skills, please do reply with your CV in the first instance.

Graduate Trade Support Analyst Location: London, Hybrid Salary: £45,000 + Strong Bonus Type: Permanent Join a leading Financial Services Client as a Trade Support Analyst in a role designed to develop recent graduates into skilled technology professionals. This position offers comprehensive training and exposure to cutting-edge trading systems and market data platforms. This role consists of providing level 2 technical support for the client's applications to both internal departments and external customers. The range of applications covers Middle and Back Office as well as Market Data. Specifically, to provide technical support in a project-based structure to ensure the successful delivery of application solutions. Responsibilities: Provide production support and maintenance for a full range of Pre and Post Trade applications including project-related activities. Perform monitoring, tuning and optimisation of performance. Create and update all documents related to applications and their supporting systems. Support production and pre-production environments. Maintain disaster recovery solutions across different domains. Recommend new or changed standards to ensure improved efficiency, effectiveness, and robustness for all environments. Respond quickly to production issues taking responsibility for seeing those issues through to resolution, recording all actions taken and communicating the impact of the actions to the appropriate levels of management. Provide 24x7x365 support and incident response. Flexibility to work in shifts (as per roster) and during weekends and extended hours when needed. Essential Requirements Computer Science degree (minimum 2:1) from a Russell Group university Desirable Knowledge and Level of Experience: Strong analytical and problem-solving skills Excellent communication and interpersonal abilities Willingness to learn new technologies quickly Customer-focused approach with ability to work under pressure Flexibility for occasional shift work and extended hours Desirable Skills SQL knowledge Linux/Unix Scripting experience Python programming Understanding of Agile/DevOps methodologies Interest in financial markets and trading systems If you think you are a good fit then please apply with an updated CV!

Senior Data Analyst London-based (3 days on-site) 12 month FTC Salary: £80,000 + excellent benefits package About the Role A leading financial services client in London is seeking a talented Senior Data Analyst to join their Information Security team. In this strategic position, you'll drive technology compliance initiatives by producing insightful management information through sophisticated click apply for full job details

A leading Financial Services client is seeking an experienced Senior Data Engineer to join the business on a permanent basis and support a major data transformation. As a Senior Data Engineer, you'll design and deliver robust, automated ETL pipelines and database solutions that power business-critical insights. You'll use your advanced SQL skills to build and optimise data structures, alongside tools such as Snowflake, Azure, and Python. This is a high-impact role where you'll influence architecture, streamline processes, and drive automation across the data landscape. The role offers a base salary of £60,000 to £75,000 plus strong benefits and flexible working. Key Responsibilities: Design, build, and maintain automated ETL pipelines and high-performance database structures. Manage and enhance a Snowflake ecosystem for streaming and batch workflows. Support the adoption of Generative AI (GenAI) and lead platform innovation with Snowflake and Microsoft technologies. Skills & Experience: Advanced SQL skills (DDL, DML, query optimisation) with a track record of building efficient, scalable database structures. Strong knowledge of automated ETL processes. Experience with Snowflake, Azure Data Factory, and Azure DevOps. Proficiency in Python for data engineering tasks. Agile delivery experience. Willingness to work with other modern data engineering toolsets. If you're an experienced Senior Data Engineer with the required skills, please apply today.