Top Tech Jobs & Startup Jobs in Belfast

Provide proactive, end-to-end executive support to 2–3 founders: manage complex calendars, travel and expenses, triage communications, plan and execute offsites/events, prepare decks and briefing materials, track follow-ups, and liaise with internal and external stakeholders to remove administrative bottlenecks.

Manage accounts payable by processing and reconciling inventory invoices with 3-way matching in NetSuite, running payments via NetSuite and TransferMate, handling wires/ACH, resolving vendor discrepancies, maintaining AP records and spreadsheets, assisting month-end close, and supporting vendor communications and invoice recovery.

Manage and optimize Google and Meta paid campaigns for fashion e-commerce across US, UK, and Europe. Implement and QA conversion tracking, product feed hygiene, and remarketing. Run A/B tests and report on ROAS/CAC. Provide live-chat support during 2:00 PM–10:00 PM EST (Thu–Sun), capture customer insights, and maintain SOPs.

Operate and stress-test LLM-based AI tools, reproduce and document edge cases, file and track tickets, validate fixes, provide prioritized product feedback, triage failures with engineers, design lightweight tests, and support the Head of Engineering with task and calendar management to scale experimentation and improve production reliability.

Remote freelance role supporting a small commercial insurance branch by completing commercial quote forms, maintaining organized client files and Excel trackers, managing deadlines, and communicating status with the owner and producer. Requires meticulous data entry, advanced Excel use, and independent execution of quote workflows to reduce backlog and ensure audit-ready records.

Freelance digital marketer responsible for executing email campaigns (Mailchimp), creating on-brand Canva graphics, scheduling Facebook/Instagram posts, maintaining lists and funnels, QA and reporting, and owning end-to-end task quality with minimal supervision during US CST business hours.

Hands-on Shopify specialist to build, edit, and maintain mobile-responsive site and product pages, create and integrate forms (Klaviyo), perform QA, troubleshoot integrations, and manage day-to-day website updates while collaborating with the Digital Operations Manager.

Produce end-to-end video content and social media execution: record/coordinate shoots, edit multiple cuts, create captions/motion graphics, and publish across platforms. Build content calendars, Keynote presentations, and SOPs. Implement AI-driven workflows, track weekly metrics, and iterate to grow patient education and inquiries while operating independently.

Create platform-native short-form videos and motion graphics for F&B brands: edit raw footage into Reels/TikToks/Shorts, craft hooks/captions/CTAs, design static/animated assets, adapt creatives across platforms, research trends, iterate from performance data, and manage multiple projects while communicating proactively.

Manage and optimize product listings across Square, eBay, and Mercari; keep inventory synced and tracked; handle customer messaging and invoicing; improve on-page SEO using Search Console/Analytics; post promotions in Facebook groups and coordinate with in-store staff.