Top Tech Jobs & Startup Jobs in Belfast

Lead a portfolio of payment rails across methods and geographies to improve authorization rates, settlement speed, and user conversion. Drive partner integrations, backend and frontend initiatives, compliance-aligned flows, experimentation, and data-driven prioritization across consumer, pro, and external interfaces.

Own and harden the edge and ingress layer: design and operate Cloudflare edge configuration, DNS, mTLS/PKI, HAProxy-based reverse proxies, Kubernetes ingress controllers, Istio service mesh, and related observability. Build Terraform-based self-service automation, extend edge logic with Cloudflare Workers/R2, partner with Security for DDoS and OWASP defenses, lead incident response and on-call, and mentor other engineers.

Lead end-to-end M&A and venture transactions: source and evaluate opportunities, build pro forma financial models and valuations, coordinate due diligence, negotiate terms, drive integration planning, advise leadership, build industry networks, mentor team members, and improve corporate development processes.

Design, implement, and scale robust Rust services and libraries for trading, payments, and crypto. Build low-latency distributed systems using RPC, Kafka, and event-driven patterns. Write testable, high-performance asynchronous network code, debug across OS/network/application stacks, own systems end-to-end, and mentor other engineers while collaborating with product teams.

The Senior Database Administrator will lead the management of PostgreSQL clusters, improve automation, enhance security, and support vector data platforms, partnering with teams to scale and ensure operational excellence.

Lead Kraken's Data Platform team focused on real-time infrastructure for data systems, managing team dynamics, architecture design, and promoting AI automation.

As the AI Agents Solutions Architect at Kraken, you'll design and build an AI-native finance operating system, automating finance operations and ensuring compliance in a regulated environment.

The role involves architecting AI solutions for compliance, ensuring regulatory adherence, automating processes, and enhancing team capabilities through technology and training.

The Senior Product Designer will create and enhance the Kraken app's design, collaborating with cross-functional teams to deliver user-centered solutions and improve brand expression.

Design, build, and optimize high-performance AI infrastructure systems to support intelligent agents, ensuring reliability and scalability for millions of users.