Top Tech Jobs & Startup Jobs in Belfast

Own the backend and agent systems powering LLM products, including multi-turn conversations, tool calling, RAG, state management, evaluations, monitoring, and production reliability. Diagnose failures across models, knowledge systems, tools, and infrastructure; establish regression testing and quality measurement; and guide product and technical decisions. The role requires shipping and improving LLM features at scale, strong backend engineering, disciplined evaluation practices, and preferably Web3 experience.

Provides technical customer support for wallet functionality, payments, transactions, and security issues. Investigates logs, dashboards, APIs, and backend services; performs technical triage, monitoring, and incident support; escalates issues with structured diagnostic context; coordinates with engineering and operations teams; maintains runbooks and documentation; monitors community feedback; and contributes to automation, ticket deflection, and process improvements.

Drive strategy, delivery, and optimization of consumer crypto trading products. Build growth programs, creator- and community-driven experiences, referral and rewards systems, and tokenized real-world asset products. Use Web3 trading expertise, market data, experimentation, and user metrics to improve activation, retention, and trading volume while coordinating with global cross-functional teams and partners.

Own the data platform product roadmap, including multi-chain ingestion, on-chain parsing, token and market data, APIs, datasets, analytics tools, governance, quality monitoring, and metric frameworks. Partner with engineering, backend, algorithm, BI, risk, growth, and business teams to deliver reusable data products. The role requires substantial product management experience, hands-on Web3 knowledge, understanding of blockchain data models, SQL proficiency, and familiarity with data infrastructure and analytics tooling.

Leads and scales a global customer support function for a non-custodial crypto wallet. Responsibilities include managing and developing support staff, handling technical escalations, improving workflows and knowledge systems, monitoring service metrics, and enhancing AI-powered support. The role partners with Product, Engineering, Operations, and the AI Platform team on quality evaluation, safe human escalation, automation, rollout readiness, and user experience improvements.

The Senior Platform Engineer will manage and build cloud-native infrastructures, develop backend features, ensure high availability, and interface with users while leveraging AI to enhance developer productivity.

Own integrated product marketing strategies and campaigns across acquisition, retention, brand, community, and growth. Define product positioning, manage KPIs and budgets, lead go-to-market initiatives, develop Web3 community and influencer partnerships, and collaborate with Product, BD, ecosystem partners, and creative teams. The role requires active crypto ecosystem participation, on-chain analytics expertise, mobile attribution experience, and measurable multi-channel marketing results.

Design, deploy, and maintain AWS and Databricks data infrastructure, data lakes, and scalable ETL pipelines. Build custom ingestion services and connectors using Airbyte, Go, and Python; optimize performance, reliability, monitoring, and data quality. Implement cloud data governance, security, access controls, encryption, and compliance practices while collaborating with platform engineers, analysts, and stakeholders.

Build production-quality, pixel-accurate UI components and interactions in React Native; prototype in Figma with designers; own the design system and component library; improve performance, animations, and cross-platform UI architecture; define design-to-dev tooling and collaborate across design and engineering.

Lead design, development, and maintenance of high-performance React Native mobile apps for iOS and Android. Build shared UI components, collaborate with backend/product/design teams, mentor engineers, optimize performance, and research new technologies to deliver scalable, production-grade mobile experiences.