Technical Business Analyst at G MASS | London, England

Role Overview G MASS is partnering with a leading UK asset management firm to hire a Technical Business Analyst for a major data transformation initiative in the Distribution function. This role focuses on overhauling client and fund data to support scalable, insight-driven reporting and contribute to sales growth. Key Responsibilities Collaborate with stakeholders from Distribution, Sales, Strategy, and senior leadership to understand business needs and translate them into technical requirements. Cleanse, enrich, and prepare data for optimized use in Power BI reporting. Reduce dependence on manual Excel workflows by improving data quality and automation. Deliver detailed reporting at client, platform, and fund levels. Support the creation and rollout of future state dashboards. Location London, England, United Kingdom

Join G MASS as a Senior Software Engineer and play a pivotal role in supporting a prominent Investment Manager. This initial 6-month engagement places you within a core engineering team that operates in a dynamic, quantitative investment setting. You will be integral in enhancing the technology and data frameworks that power systematic trading strategies and cutting-edge research. Your contributions will enable investment teams to efficiently access, process, and leverage extensive market and research data in a fast-paced, analytics-driven environment.Key Responsibilities:Architect, develop, and refine large-scale data and infrastructure platforms that underpin trading and research activities.Establish and sustain systems designed to process vast amounts of data from a variety of global sources.Collaborate closely with researchers, traders, and fellow engineers to ensure seamless support for investment workflows.Enhance the scalability, performance, and reliability of distributed systems.Utilize Java and Python primarily in the development and maintenance of services.Engage with modern data and messaging technologies, including Kafka, ArcticDB, and MongoDB.

About the Quantum Computing Internship g-mass is offering a three-month Quantum Computing Internship in London, with the possibility of extension. This position suits those with a strong interest in quantum computing and emerging technologies who want to apply academic knowledge to real-world challenges. What You Will Do Conduct research on the latest developments in quantum computing, including vendor solutions and market trends. Examine how quantum computing could impact financial services, focusing on areas such as optimization, risk management, portfolio construction, cryptography, and operational models. Help shape g-mass's quantum computing offerings by translating technical concepts into clear, commercially relevant materials for clients. Produce written content such as research briefs, presentation decks, articles, market analyses, and internal documentation. Explore links between quantum computing and broader topics like AI, cyber resilience, and the future of financial services architecture. Take part in external thought leadership and marketing efforts as needed. Support strategic research projects tied to client opportunities and product development. Location This internship is based in London, England, United Kingdom.

Role overview g-mass is hiring a Regulatory Business Analyst based in London. The position centers on maintaining compliance with regulatory requirements while supporting projects that improve business operations. Daily work involves close collaboration with teams across the company, analyzing how business processes function, and identifying areas where regulatory risks may arise. What you will do Partner with cross-functional teams to review and refine business processes Identify and evaluate regulatory risks within company operations Create strategies to address and minimize compliance risks Present findings and recommendations clearly to stakeholders at different levels Requirements Keen attention to detail Strong analytical and problem-solving abilities Ability to communicate effectively with both technical and non-technical colleagues Background in regulatory analysis or business process improvement considered an advantage

G-mass is collaborating with a distinguished global financial institution to find a seasoned Transaction Reporting Change & Release Lead. This individual will be responsible for managing the complete lifecycle of UK/EU transaction reporting changes, from regulatory interpretation to controlled production deployment.This is a hybrid role that combines the responsibilities of a Technical Business Analyst with hands-on SQL and development tasks. You will serve as a vital link between Compliance, Operations, Risk, and Technology, converting regulatory requirements into actionable change specifications, overseeing release delivery, and enhancing production controls. A key goal is to minimize reliance on key personnel by standardizing documentation, runbooks, knowledge transfer, and repeatable release processes.Please note that this role requires presence in the client’s London office (specific days to be confirmed).Key ResponsibilitiesChange, Release & GovernanceManage the full lifecycle of UK/EU transaction reporting changes, including regulatory interpretation, impact assessment, prioritization, build/test coordination, and production deployment.Oversee reporting logic changes across various platforms and upstream systems, leading release planning, prioritization, and timelines in accordance with regulatory and business deadlines.Ensure compliance with formal governance and approval processes (e.g., CAB, go/no-go decisions), with meticulous evidence capture and audit trails.Act as the primary liaison across Compliance, COO, Technology, Operations, Risk, and external ARMs/vendors.Technology & ProcessesCollaborate with developers and architects to gain a comprehensive understanding of transaction reporting infrastructure, data flows, dependencies, and the existing build/test/release processes.Convert regulatory and business requirements into clear, actionable deliverables such as requirements, functional specifications, rules, validation logic, and acceptance criteria.Enhance documentation and knowledge sharing to reduce key person dependency and improve cross-functional understanding of reporting systems and logic.Assist in designing and implementing more robust, scalable, and repeatable release processes for reporting changes.Transaction Reporting Subject Matter Expert (SME)Serve as an SME on UK/EU reporting requirements, including ARMs, reportable fields, and validation rules, translating regulatory texts into practical rules and specifications.Provide insights on regulatory interpretation, including ESMA Q&As and ARM feedback, ensuring alignment of reporting logic with current obligations.Specify technical change requirements across fields, mappings, validations, and exception handling.Testing, Release, Controls & Defect ManagementDefine and execute end-to-end testing and release strategies...

Join g-mass as a Business Analyst specializing in Underwriting, where you will leverage your analytical skills to enhance our underwriting processes. In this dynamic role, you will collaborate with cross-functional teams to gather and analyze data, identify trends, and provide actionable insights that drive business decisions.Your contributions will help streamline underwriting operations, improve efficiency, and ultimately support our commitment to delivering exceptional service to our clients. If you are passionate about data analysis and have a keen eye for detail, we invite you to apply and be part of our innovative team.

At G MASS Consulting, we proudly support a prestigious Audit and Advisory firm in their quest for innovation and excellence. We are seeking a Senior Machine Learning Engineer who will play a pivotal role in refining and expanding their pricing technology. In this influential role, you will be responsible for designing and managing machine learning platforms that enhance pricing workflows, facilitate quick model deployment, and ensure dependable model performance at scale. You will collaborate closely with our Data Science, Actuarial, and Product teams to drive impactful results.

G MASS Consulting proudly collaborates with a prestigious Big 4 accounting firm in Jersey, distinguished for its exceptional audit services within the financial services sector.Have you ever contemplated a career transition to Jersey? This picturesque Channel Island provides an extraordinary combination of professional prospects within a global financial hub and a desirable island lifestyle—breathtaking landscapes, minimal commuting, secure communities, and a true work-life balance.We are on the lookout for seasoned Audit Assistant Managers (Financial Services) to become integral members of our Jersey team on an onsite basis (hybrid work options available post-relocation as per firm policy).This role presents an excellent chance to advance into a senior position with direct access to leadership from day one, rapid career advancement for top performers, and exposure to industry-leading clients in asset management and the broader financial services arena.Key Responsibilities:Serve as the primary liaison for a portfolio of clients, cultivating deep relationships and developing expert knowledge of their operations and market dynamics.Lead the timely execution of audit engagements through meticulous planning, project management, and proactive escalation of issues.Maximize resource utilization to provide outstanding client service while enhancing team efficiency.Mentor and develop junior team members and colleagues to elevate performance and engagement quality.Build strong relationships within the firm and the broader network.Proactively seek and offer feedback to foster personal and team growth.Requirements:Fully qualified accountant (ACA, ACCA, CA, or equivalent).A minimum of 3 years of recent external financial statement audit experience, including in-charge duties from planning through to completion.Current technical knowledge of IFRS and/or UK GAAP.Exceptional English communication skills (verbal, listening, written) and strong IT proficiency (Excel, Word).Demonstrated project management skills: decision-making, analytical thinking, time management, and prioritization.Experience in coaching and developing junior team members.Preferred Qualifications:Experience within the Financial Services sector, particularly in Asset Management or Private Equity.Background with Big 4 or mid-tier firms, possessing experience in leading teams and managing engagements.If you are a motivated audit professional eager for your next challenge in a supportive, high-performing team—and are enticed by the Jersey lifestyle—we would love to hear from you.Benefits:Salary: Up to £49,000 (open to discussing expectations).Relocation Support: Short-term accommodation assistance to help you settle in and a relocation allowance (to be confirmed).

Join our dynamic and driven post-trade operations team as a Fixed Income Settlement Analyst. We are seeking a talented individual who excels in execution and is eager to contribute innovative ideas to enhance our processes and controls. While this position is not managerial, it plays a crucial role in our fast-paced environment where cultural fit and intellectual curiosity are highly valued.Key Responsibilities:Manage end-to-end Fixed Income settlementsResolve breaks and manage exceptions effectivelyLiaise with counterparties and custodiansSupport enhancements in settlement efficiency and controlsPropose ideas for operational improvementsCollaborate with Front Office stakeholders

Join a prestigious London Market Insurance Service Provider as a Delegated Authority Analyst on an initial 6-month contract with the potential for a permanent position. We are looking for a proactive and enthusiastic individual who has experience in the insurance sector, exemplified by undertaking practical projects post-graduation. A solid grasp of the insurance market and familiarity with key documentation, such as slips, is crucial for success in this role.Key Responsibilities:Support the preparation of due diligence files for new and existing coverholders, ensuring the collection and verification of all necessary documentation.Conduct line slip due diligence with appropriate training and guidance.Assist in the processing and management of delegated authority renewals.Perform comprehensive contract reviews to guarantee compliance with company standards and regulatory frameworks.Contribute to the monthly Delegated Authority Oversight Group Reports.Create ad-hoc management information reports as required.

G MASS Consulting is proud to partner with a prestigious global investment bank in search of a skilled Middle Office Prime Services Analyst to enhance their Operations team.This pivotal role is situated within the Prime Services Middle Office, where the incumbent will provide essential daily trade support to the Securities Lending / Stock Loan desk. The successful applicant will oversee the trade lifecycle, assist front office operations, and ensure precise processing and oversight of stock loan transactions.Working in a dynamic, fast-paced environment with tight deadlines, this position requires a robust understanding of the securities financing lifecycle, trade controls, and effective counterparty engagement.

G MASS is proud to partner with a leading global brokerage firm as they embark on a significant transformation of their front-to-back trading platform. We are seeking a skilled and seasoned Calypso Configuration Consultant to join our dynamic team for the wholesale implementation of Calypso. This role is pivotal in configuring, building, and validating the platform across diverse asset classes.As part of a large-scale delivery program, you will collaborate closely with internal technology teams, business operations, and the platform vendor to ensure optimal configuration of the system to support OTC derivatives and cross-asset trading workflows.The ideal candidate is a hands-on expert with a deep understanding of Calypso's functional architecture and the operational processes surrounding the trade lifecycle.

Join a prestigious global investment bank as we embark on the establishment of a cutting-edge physical metals trading operation. We are seeking a seasoned Project Manager with a robust background in designing and executing processes and controls, specifically within commodities, physical trading, or post-trade operations. In this pivotal role, you will spearhead the initial operational framework, determine essential requirements, and implement effective and scalable processes, infrastructure, and controls to facilitate our growth trajectory.Key Responsibilities: Develop and execute the comprehensive operational process for physical metals trading. Establish robust controls, governance, and settlement processes that adhere to both regulatory and internal standards. Collaborate effectively with front office, risk management, legal, compliance, and technology teams. Facilitate the onboarding of necessary infrastructure, systems, and third-party logistics providers (e.g., vaulting, transportation). Offer strategic recommendations on operating models and potential pathways for future scaling.

g-mass is proud to support a private equity-backed insurance group in their search for an Interim Group CFO. This role will provide strategic financial leadership across a diverse platform, which includes a Lloyd’s specialty lines Syndicate and a multi-class Managing General Agent (MGA) business.This is a pivotal group-level position that demands a technically proficient CFO with extensive expertise in the insurance sector, capable of engaging at both Board and investor levels. The ideal candidate will be instrumental in preparing the group for a refinancing process and potentially a future private equity exit.The start date is flexible, with a preference for late March. There is significant potential for the role to evolve into a permanent position following a successful interim period.

Join a leading global broker undergoing a significant transformation initiative focused on the wholesale implementation of Calypso within their derivatives operations.We are in search of a Senior Product Manager / Product Owner with extensive expertise in Calypso to spearhead the business-centric design and configuration of the platform across various asset classes.This pivotal role operates at the nexus of business, operations, and technology, ensuring that intricate trading and operational needs are effectively translated into a cohesive platform configuration and a scalable operational framework.As a senior contributor to the program, you will play an influential role in shaping the platform's facilitation of front-to-back derivatives workflows throughout the organization.Key ResponsibilitiesOversee product design and configuration governance for the Calypso platform implementation.Convert complex cross-product business requirements into clear platform configurations and product designs.Establish and maintain product templates, workflows, and operational configurations across asset classes.Ensure uniformity in the representation of products and workflows across FX, Rates, Commodities, and OTC derivatives.Facilitate requirements workshops with business stakeholders, operational teams, and technology partners.Collaborate closely with engineering teams and vendors to align platform configurations with business necessities.Support testing phases by validating the platform against established workflows and product configurations.Promote operational adoption of the platform, ensuring processes and controls align with the new operating model.Contribute to the evolving product roadmap for the platform as it grows within the organization.

Role overview g-mass is looking for a Full Stack Developer to contribute to building and supporting applications tailored to London Market Insurance. The role centers on developing tools that enhance the client experience and make insurance processes more efficient. What you will do Develop and maintain web applications that support insurance workflows Ensure application reliability to support daily business operations Use modern technologies to deliver solutions for insurance clients Location This position is based in London, England, United Kingdom.

Join g-mass as a Project Manager specializing in Outwards Reinsurance. In this pivotal role, you will lead projects aimed at enhancing our reinsurance processes, collaborating with cross-functional teams to ensure compliance and efficiency.Your expertise will drive strategic initiatives, and you will play a key role in managing client relationships while overseeing project timelines and deliverables. If you are passionate about the reinsurance sector and have a knack for project management, we invite you to apply and be part of our dynamic team!

We are seeking a dedicated and detail-oriented Board & Committee Coordinator to join our dynamic team at g-mass in London. In this pivotal role, you will be responsible for coordinating board meetings, managing committee logistics, and ensuring effective communication among members. Your organizational skills and attention to detail will be crucial in maintaining the smooth operation of our governance processes.

Join g-mass as an AI Strategy Lead and play a pivotal role in shaping our artificial intelligence initiatives. In this leadership position, you will develop and execute AI strategies that align with our business goals, driving innovation and enhancing operational efficiency.Your expertise in AI technologies will be crucial as you collaborate with cross-functional teams to identify opportunities for AI implementation, ensuring that we remain at the forefront of technological advancements.

We are collaborating with a prestigious global banking institution to recruit a skilled Support Engineer. This position is part of the Desktop Support team, dedicated to offering exceptional IT assistance to employees of a financial services firm located in London. The ideal candidate will exemplify professionalism, providing a well-organized, responsive, and customer-centric support service.The role demands a proficient Desktop Support Engineer who champions the Trading Support function, possessing the ability to communicate clearly and effectively with business users across all levels, including senior executives and IT management.Key Responsibilities:Deliver hands-on desktop support to business users through phone, email, ticketing systems, and in-person, resolving issues within agreed SLAs while managing user expectations.Assist with new joiner onboarding and execute desk moves and equipment changes as necessary.Provide 1st to 3rd line support across hardware, software, and end-user applications.Support market data applications and services.Set up and maintain mobile devices.Collaborate with third-party vendors to troubleshoot and resolve issues.Engage in out-of-hours support, including on-call rotations, desk moves, and ad-hoc testing.Exhibit flexibility to provide evening cover as needed (up to 10:30 PM).Qualifications:Demonstrated experience in supporting a trading floor or front-office environment.Strong market data support experience (e.g., Bloomberg, Reuters).Extensive knowledge of Windows 10 desktop support and Office 365.Familiarity with Active Directory and endpoint management tools (GPO, WMI, SCCM).Experience with virtual desktop environments (Citrix XenDesktop, VMware, Nutanix).Solid understanding of desktop and laptop hardware, including VDI setups.Experience with broker and trading applications (e.g., Brokertec, GFI, ICAP).Proficiency in mobile device support (iPhone, iPad).Knowledge of ServiceNow or similar ticketing systems.Exposure to scripting or automation (PowerShell preferred).Exchange administration knowledge is advantageous but not required.Personal Skills:Confident communicator, capable of effectively engaging with stakeholders and suppliers at all levels.Strong team player, adept at leading, guiding, and developing others.Calm and resilient under pressure, experienced in managing demanding users.Proactive, self-motivated, with the ability to prioritize and resolve complex issues.Adaptable, with a “can-do” attitude and a commitment to continuous improvement.Contract Details:Duration: 3 Months rolling contractSalary: up to £40,000