Tax & Capital Gains Specialist (CGCalc / CGiX)

Project descriptionWe are seeking an experienced Developer with deep specialism in tax and capital gains calculation modules - specifically CGCalc and/or CGiX - to support a major financial services organization. This is a high-impact engagement requiring strong technical and domain expertise in tax architecture.ResponsibilitiesThe successful candidate will conduct an initial assessment of the current tax calculation architecture evaluating existing system design, data flows, and integration points. Based on this assessment, they will produce a proposal identifying the optimal target system architecture going forward, weighing the trade-offs between continuing with the existing setup versus transitioning to an alternative.

The role also involves working closely with stakeholders across tax, technology, and operations to validate findings and ensure recommendations are commercially and technically sound, along with producing clear documentation suitable for both technical and non-technical audiences.SkillsMust haveMandatory: Hands-on experience with CGCalc and/or CGiXStrong understanding of investment tax principles, capital gains computation, and regulatory reporting requirements in the financial services sectorAbility to assess legacy or complex system landscapes and convert analysis into clear, actionable recommendationsStrong communication and stakeholder management skills, including the ability to explain technical findings to both business and technical stakeholdersPrior experience with system migration or transformation initiatives in financial services is a strong advantageKnowledge of Avaloq scripting (ALES) and related development tools is preferredNice to haveExperience with Avaloq Banking SuiteOtherLanguagesEnglish: C1 AdvancedSenioritySeniorLondon, United Kingdom of Great Britain and Northern IrelandReq. VR- AvaloqBCM Industry04/09/2026Req. VR-