Freelance architect jobs in United Kingdom

Senior Fullstack Engineer (AI-Native) — Freelance via Shakers We're hiring a Senior Fullstack Engineer to help build the enterprise backbone of an AI hiring intelligence platform that's redefining recruitment through voice-first, capability-based assessment. You'll join a lean creative engineering team with a flat structure, high ownership, and zero bureaucracy. The product is AI-native — and so is the team. What you'll do • Architect and ship high-concurrency APIs and event-driven systems (NodeJS, NestJS, GraphQL, PostgreSQL), • Define enterprise-grade architecture: GDPR-safe, audit trails, permissions, cloud-ready by default, • Integrate LLMs (Gemini and others) into the product in a measurable, monitored, production-safe way, • Build reliability foundations: monitoring, logging, retries, runbooks, • Own features end-to-end — from vague brief to production Must-haves • Strong NodeJS + NestJS + GraphQL + PostgreSQL, • Hands-on with LLMs in production (Gemini a plus), • Event-driven architecture, Prisma, Terraform, • Reliability mindset: monitoring, QA, retries Format • 100% freelance via Shakers, • Long-term engagement, • Hybrid in London - flexible (EU timezone) If you're AI-native in practice and want real end-to-end ownership in a high-taste studio, apply.

Network hosting multicloud AWS Azure GCP Oracle Cloud Microsoft 365 L2-L7 internet-facing hosting market data Bloomberg Reuters payment systems regulated environments BGP OSPF multicast low latency colocation cross-connects Zero Trust DDoS load balancing DNS CDN ExpressRoute Direct Connect Ansible P

Freelance Solutions Architect (MarTech).

ERP Integration Architect - Contract/Freelance - Fully Remote (UK & Europe) Location: Fully Remote - Polish Preferred Contract Type: Full-Time Contract (40 Hours per Week) Position Summary We are seeking an experienced ERP Integration Architect to design, develop, and support complex integratio

Define a target‑state voice architecture aligned to the broader infrastructure transformation. SIP trunking, dial plan design, and PSTN gateway architecture.

This role will develop and own the hosting architecture strategy across all categories, rationalising the current estate and defining scalable, repeatable patterns for future service deployment. Define a comprehensive hosting strategy spanning on-premises, hyperscaler (Azure, AWS), co-location, and

Build out network observability capabilities to provide deterministic visibility across the converged network environment. Design and implement network automation workflows for standard operational tasks (port changes, firewall rule changes, VLAN provisioning). Evaluate and rationalise managed servi

Engineer and operate firewall platforms (Palo Alto, FortiGate), F5 BIG-IP, IPS, and proxy/SWG solutions — including rule lifecycle management, policy optimisation, and senior incident response. Design and enforce macro/micro-segmentation strategies across Cisco ACI, firewall-based, and hybrid fabr

Professional certifications in generative AI or cloud architecture. Generative AI Solution Architect - Freelance. Generative AI Solution Architect Freelance.

APPLY is looking for a Freelance Solutions Architect to enhance MarTech solutions for clients.

As a Freelance Solutions Architect (MarTech), you’ll play a critical role in helping Apply clients design and deliver scalable marketing technology solutions that unlock better customer experiences and measurable growth.