Top Tech Jobs & Startup Jobs in London

Advise multinational clients on employment tax, social security, reporting, withholding, fringe benefits, audits, contingent workforce compliance, and risk mitigation. Lead complex client engagements, develop tax strategies, monitor legislation, build client relationships, drive business growth, and mentor junior team members while collaborating with HR, payroll, finance, and tax teams.

Advise multinational clients on employment tax, social security, reporting, withholding, fringe benefits, contingent workforce compliance, audits, risk mitigation, and tax efficiency. Lead complex client engagements, develop workforce tax strategies, monitor legislative changes, build strategic client relationships, drive business growth, and mentor junior team members. The hybrid role requires working from the London office three days per week.

Support design, implementation, and compliance of global equity/share plans. Contribute to client deliverables, payroll tax withholding calculations, reporting, dashboards, tax matrix maintenance, cross-functional coordination with HR/Finance/Payroll/Tax, employee education, and periodic client-facing travel.

Manage and deliver global mobility tax engagements for Japanese clients in the UK, providing cross-border tax advice (residence, tax equalisation, remote work), coaching junior staff, developing client relationships and business, staying current with tax legislation, and supporting global mobility projects across cross-functional teams.

Support legal, risk, and compliance programs to prepare them for AI adoption by organizing data, consolidating sources, drafting process documentation, conducting research, building trackers and dashboards, quality-reviewing AI outputs, and documenting AI-enabled workflows under governance standards.

Design, build, and operate secure, Azure-native full-stack products for compensation collection, shadow payroll, and equity. Deliver Next.js/React front ends and C#/.NET backend services, integrate with HR/payroll systems, embed AI features, ensure production readiness, compliance, and high-integrity calculation accuracy, and mentor engineers.

Design, build, and operate secure, scalable Next.js/React frontends and C#/.NET backend services on Azure for compensation collection, shadow payroll, and equity workflows. Own end-to-end features, production readiness, integrations with HR/payroll systems, and embed AI capabilities using agentic development and RAG patterns. Ensure compliance, auditability, and operational reliability across global, multi-jurisdictional payroll and equity processing.

Lead delivery of end-to-end global payroll and rewards services for multinational clients, advising on compensation, equity, employment tax and compliance. Drive technology-enabled solutions (VialtoComp), data analytics, governance and risk management. Manage client relationships, vendors and project implementations, mentor junior staff, and champion automation and continuous improvement across global payroll and rewards operations.

Own and execute new-logo commercial growth: prospecting, qualifying, pipeline coordination, closing deals and partnering with senior partners to convert opportunities. Build market presence, referral networks, and maintain CRM discipline to drive revenue.