Top Tech Jobs & Startup Jobs in Belfast

Build and ship features for ElevenLabs’ iOS Creative App, integrating AI-driven audio models for millions of users. Own app performance, quality, responsiveness, architecture, and technical direction while collaborating with design, product, and research teams. Run A/B tests and use experimental data to guide product decisions. The role may also involve audio playback or streaming and mobile build, testing, and release infrastructure.

Own the ElevenMusic mobile experience across iOS and Android. Build a high-quality app for musicians and creatives, work across mobile and backend systems, make autonomous product decisions, and ship rapidly. The role requires production mobile app experience, strong systems thinking, exceptional product judgment, and the ability to turn loosely defined ideas into shipped outcomes.

The Data Engineer will build and scale data pipelines, ensure data quality, implement dbt best practices, and empower cross-functional teams with self-service data access.

Build and ship features for ElevenLabs’ Android Creative App, integrating AI-driven audio models for millions of users. Collaborate with design, product, and research teams to shape product direction and app architecture. Run A/B tests, interpret experimental data, and prioritize improvements. Own production performance, quality, and responsiveness, with potential work on audio streaming and mobile build, testing, and release infrastructure.

Build and own ElevenLabs’ analytics transformation and metric layers using dbt and SQL. Define certified KPIs for product, finance, and company-wide reporting; establish modeling, testing, CI, documentation, and data-quality standards; collaborate with Data Engineering and stakeholders to create trusted, reusable data products and support AI-agent data use cases.

Lead and scale ElevenLabs' Private Equity & Growth Investor partner channel: build executive relationships with PE operating partners, embed ElevenLabs in value-creation programs, drive portfolio company activation, generate partner-sourced pipeline and ARR, and build repeatable GTM playbooks across Sales, Product, and Customer Success.

Build and deploy reliable, measurable, and safe AI agents for real business workflows. Work within Marketing Engineering and growth pods to identify problems, develop end-to-end solutions, evaluate LLM performance, and measure business impact. The role involves productionizing agent systems beyond demos, using Python, SQL, LLM APIs, and orchestration tools, with potential integration into go-to-market data and marketing systems.

Build large-scale data pipelines and infrastructure for frontier AI model training. Develop data-processing models such as classifiers, quality filters, and labeling systems; design deduplication, quality scoring, labeling, and augmentation strategies; and create reliable tooling for researchers to explore and train on massive datasets. The role also evaluates how data quality and composition affect model outcomes, with web crawler experience as a bonus.

Build and own full-stack systems for AI-assisted media production, including human data platforms, production workflow services, and professional editor tools. Develop reliable, scalable infrastructure, UI systems, task editors, data pipelines, and production services. Engineers are expected to work independently, ship end-to-end systems, improve platform reliability, and lead projects. The role is remote-first across Europe and the U.S. East Coast.

As a Research Engineer, you'll develop and manage data systems for text-to-speech projects and enhance machine learning models using innovative strategies.