Top Tech Jobs & Startup Jobs in Belfast

Build and optimize website growth experiences across acquisition, activation, conversion, retention, and revenue. Own experiments from hypothesis through implementation, instrumentation, launch, analysis, and iteration. Develop high-traffic pages, onboarding flows, programmatic SEO systems, and experimentation infrastructure while improving technical SEO, crawlability, structured data, internal linking, and web performance. Collaborate with design, product, data, SEO, marketing, and frontend engineering teams.

Build and improve the ElevenAPI developer dashboard, onboarding flows, API key creation, integrations, and self-serve subscription experiences. Own features end to end across frontend and backend, from discovery and design through deployment and iteration. Use developer feedback, product data, and experiments to improve activation and successful integrations while collaborating with a remote team.

Own the full billing lifecycle for enterprise accounts, including provisioning, subscription changes, renewals, offboarding, invoice corrections, audits, and revenue-integrity checks. Reconcile billing systems with contracts and Finance records, support month-end and quarter-end close, identify discrepancies and orphaned billing records, and collaborate with Sales, Customer Success, Finance, Legal, and Engineering. Improve billing processes through automation, guardrails, pricing migrations, and system enhancements.

Build and polish complex interactive video-editing features for Studio, including transitions, color grading, element libraries, presets, and customizable keyboard shortcuts. Own frontend-leaning full-stack work from proposal through launch, collaborate in a fast-moving startup environment, and contribute to product decisions and marketing efforts. Deep backend expertise is not required.

Build and maintain payments infrastructure, including usage tracking, pricing, billing, payment providers, and stream-processing services. Collaborate with Finance, Tax, Growth, Sales, and engineering teams to support compliance, reporting, experiments, and customer payments. Plan migrations, debug complex production billing issues, and safely evolve live systems handling money. Requires Python expertise, backend development experience, software and system design knowledge, testing and security fundamentals, and strong problem-solving ability.

Build and operate core platform systems for users, workspaces, permissions, APIs, authentication, and resource management. Deliver full-stack features with a backend focus, including admin and settings interfaces. Scope work within large existing systems, plan migrations, manage safe rollouts, debug production issues, and collaborate across product and engineering teams. Candidates need strong Python and backend development expertise, software and system design knowledge, testing and security fundamentals, and the ability to navigate ambiguity.

Build and own an ads engine end to end, including data pipelines, agent tools, user interfaces, ad generation, localization, launching, and performance learning. The role requires direct user engagement, product judgment, rapid experimentation, and full-stack engineering. You will independently define product direction, ship initial versions, and potentially develop competitive intelligence briefs or new ad formats using LLMs and agent technologies.

Own positioning, packaging, messaging, and go-to-market content for ElevenLabs’ government conversational-agent solution. Scale the product narrative across national, regional, and local public-sector markets worldwide, emphasizing citizen outcomes, accessibility, compliance, language support, security, and data residency. Lead industry content, landing pages, and thought leadership while becoming an internal expert on conversational-agent technologies and coordinating launches across countries and regulatory environments.

Own ElevenLabs’ global finance systems stack across 10+ entities and 40+ countries. Lead NetSuite administration, integrations with Stripe, Ramp, Deel, and HiBob, warehouse connectivity, ERP and billing implementations, entity setup, controls, reconciliations, and audit readiness. Build AI-powered finance automations, support pricing and geographic expansion decisions, and partner with accounting, engineering, data, and audit teams. The role is remote-first across Europe and requires CET timezone availability.

Build and deploy full-stack enterprise product solutions for ElevenCreative customers. Work directly with enterprise clients to understand requirements, present solutions, and decide between bespoke integrations and broadly useful product improvements. Develop integrations, APIs, authentication, SSO, access controls, and other enterprise functionality while shipping independently with minimal direction. Experience with localization, TMS integrations, marketing tools, or adtech is advantageous.