Top Tech Jobs & Startup Jobs in London

Design and develop scalable PHP backend systems supporting a global travel connectivity platform. Lead distributed systems and service-oriented architecture initiatives, improve performance through caching and database optimization, enforce clean code and testing standards, mentor engineers, and collaborate with Product and DevOps on technical roadmaps. Participate in an on-call rotation to maintain 24/7 service reliability.

Design and run data-driven retention strategies and campaigns to reduce churn and increase CLTV. Analyze user behavior, segment customers, execute personalized CRM journeys using tools like Clevertap/Braze/Moengage, run A/B tests, monitor retention metrics, and collaborate cross-functionally to optimize user engagement.

Drive global partnerships growth marketing from strategy and partner selection through campaign activation, measurement, and optimization. Build joint value propositions, GTM plans, distribution strategies, and KPI frameworks with partners. Lead cross-functional execution across marketing, product, legal, finance, data, and communications while developing scalable partnership processes and contributing to the long-term partnerships function.

Own Airalo’s global brand strategy, roadmap, governance, performance, and launch direction across B2C, B2B, and B2B2C markets. Lead and scale a multidisciplinary international brand team, develop future leaders, manage resourcing, and advise executive and cross-functional stakeholders. Direct creative and agency execution, oversee brand systems and content marketing, and translate brand and category data into growth and action plans across global channels.

Provide broad commercial and regulatory legal support for a global eSIM marketplace: draft, review and negotiate commercial and telecom agreements, advise Product/Commercial/Marketing on contractual and regulatory risk, support data privacy (GDPR) and telecom compliance, maintain contract templates and playbooks, assist corporate governance and coordinate with external counsel.

Lead app-first user acquisition strategy and execution across paid channels, managing a $20M+ budget. Oversee campaign architecture, measurement (including iOS/SKAN), reporting, campaign hygiene, cross-functional partnerships, and present performance insights to senior leadership to drive scalable growth.

Design, maintain, and optimize HLR/HSS/UDM subscriber templates and roaming logic. Lead Full MVNO profile deployments, collaborate with roaming partners and system integrators, define HLR/HSS KPIs, and troubleshoot signalling using Wireshark and roaming platforms.

Lead finance modernization including ERP ownership (design, data migration, cutover), process redesign and automation across O2C/P2P/R2R/FP&A, controllership and SOX-lite readiness, standardized reporting and driver-based forecasting, and program/change management to embed AI, drive adoption, and report progress to leadership and Audit & Risk Committee.

Lead a global engineering and QA team building, integrating, testing, and commissioning Full MVNO core systems. Own mobile core architecture across subscriber databases, packet core, signalling, voice, VoLTE, SMS, messaging, number portability, regulatory compliance, and emergency routing. Coordinate host MNO integrations, automated testing, service readiness, operational reviews, troubleshooting, and handover to the 24/7 Run team. Participate in the on-call rotation.

Build and own pricing data science capabilities, including demand and elasticity models, forecasting, willingness-to-pay models, pricing optimization, experimentation, and causal analysis. Deploy and monitor machine learning systems, establish governed pricing metrics, and partner with Commercial, Finance, and Product to improve margin and revenue. Set analytical standards for pricing decisions and build reusable analytical capabilities.