Top Tech Jobs & Startup Jobs in London

Own a portfolio of 300+ SMB accounts across the UK and Europe, managing renewals, identifying expansion opportunities, preventing churn, and maintaining accurate CRM records. Conduct pricing and growth conversations in English plus German, French, or Spanish. Triage customer needs, forecast the portfolio, and collaborate with Sales, Product, and Support to improve the SMB customer experience.

Engineering internship focused on designing, coding, and operating high-performance services and data-processing pipelines serving hundreds of millions of monthly requests. The intern will collaborate with distributed engineering teams, complete structured onboarding, receive dedicated mentorship, and contribute to high-availability, latency-sensitive systems. Candidates should be second-year computer science students graduating in 2028 with service development knowledge, strong learning ability, and a collaborative, continuous-improvement mindset.

Own a portfolio of strategic enterprise accounts across the UK and Europe, driving retention, renewals, expansion, and measurable customer value. Build executive relationships, create account plans, lead business reviews, manage complex commercial negotiations, forecast renewals in the CRM, identify expansion opportunities, and provide customer insights to Product, Engineering, and Marketing. Requires fluent English and business proficiency in French, Spanish, or German.

Own and grow a portfolio of strategic European telecom accounts. Drive customer adoption, retention, renewals, expansion, and measurable business outcomes across the post-sales lifecycle. Lead multi-year initiatives, complex technical programs, production delivery, QBRs, executive relationships, risk management, and cross-functional coordination with Sales, Product, Engineering, and Support. The role requires fluency in French and English and comfort working with enterprise SaaS customers, APIs, integrations, pilots, and proofs of concept.

Lead end-to-end delivery of complex carrier and partner integrations across EMEA. Manage project plans, milestones, dependencies, risks, technical delivery tasks, stakeholder communications, testing, and deployment. Partner with carriers, Solution Architecture, Engineering, Product, Customer Success, and leadership. Apply technical knowledge of REST APIs, AWS, SIP, and telephony while improving delivery processes, documentation, and tooling.

Lead the security roadmap across engineering, build self-service platform security tools, integrate security into CI/CD and cloud workflows, assess technical risk, mentor engineers, and mature detection, SIEM, and incident-response capabilities. The role also addresses software supply-chain threats, AI infrastructure security, and AI-usage risks while partnering with engineering, product, core technology, and IT teams.

Manage and grow a small portfolio of Hiya's largest UK customers, driving adoption, leading complex programs to production, delivering measurable value, and expanding revenue through executive engagement, cross-functional coordination, risk management, and upsell/cross-sell opportunities.