Top Tech Jobs & Startup Jobs in Belfast

Build and operate ML infrastructure for training, evaluation, deployment, inference, and experimentation. Improve reliability, scalability, latency, throughput, and cost efficiency. Create reproducible pipelines, observability, benchmarking, and platform tooling enabling researchers and engineers to ship models to production.

Design, build, and ship LLM-powered applications and agent workflows. Integrate models with APIs, databases, search, and tools. Create prompting, memory, and orchestration systems; build evaluation frameworks; debug across model, backend, and UX layers; and optimize for reliability, latency, cost, and observability in production.

Provide high-level executive support to senior leaders: manage calendars, travel, meetings, interview coordination, and special projects while advising on prioritization and time management.

Build and maintain backend services and APIs powering onboarding, accounts, payments, cards, transfers, rewards, FX, KYC and risk. Design reliable, secure, observable systems for real transactions; integrate with partners, payment providers and AI services; improve operational workflows, data integrity, and incident handling while collaborating with product, frontend, mobile and AI teams.

Build and ship AI-native systems for a fintech neobank: AI agents, RAG/LLM apps, tool-calling and automations to improve onboarding, KYC, support, risk review, CRM and operations, focusing on reliability, latency, cost, security and compliance while collaborating with product and engineering teams.

Build and ship end-to-end product features across frontend, backend, APIs and databases. Create customer and internal workflows (onboarding, payments, accounts, KYC, FX, rewards, support automation). Turn ambiguous product problems into reliable systems, collaborate with product, design, mobile, backend and AI teams, build internal tools and automation, and own production monitoring, debugging and improvement post-release.

Own a fintech product vertical end-to-end: define strategy, roadmap and acceptance criteria; shape technical design for money-movement correctness, reliability and compliance; apply and evaluate AI/LLM features safely; coordinate engineering, design, compliance, ops, treasury and finance to ship regulated features behind partner and regulatory gates.

Partner with leadership to drive high-priority cross-functional initiatives across engineering, product, hiring, operations, and business development. Lead projects end-to-end, build teams and processes, research new markets and opportunities, identify operational improvements, and deliver measurable business outcomes in a fast-moving, hands-on startup environment.

Lead high-priority, cross-functional initiatives across engineering, product, hiring, operations, and business development. Build teams, processes, and capabilities; plan and execute projects end-to-end; research markets and product opportunities; identify operational problems and implement solutions; take ownership to deliver measurable business outcomes.

Lead and drive high-priority cross-functional initiatives across product, engineering, hiring, operations, and business development. Build teams, processes, and capabilities; plan and execute projects end-to-end; research markets and opportunities; identify operational improvements and deliver measurable business outcomes with strong ownership and stakeholder communication.