LEAD TECHNICAL ARCHITECT - GLOBAL SAAS/AI PLATFORM

Permanent - Excellent Salary + Benefits
Remote - UK-based

Clarity is working with a high-growth SaaS business seeking a Lead Technical Architect to take ownership of the architecture of a global, multi-tenant platform, combining cloud-native SaaS, Real Time communications, CRM integration ( Salesforce ), and emerging AI capabilities.

This is a senior, high-impact role where you will act as the technical authority across engineering, shaping long-term platform evolution, raising engineering standards, and driving how AI is Embedded into production systems.

This is not a pure DevOps or hands‑on coding role - it is a leadership‑first architecture role with real ownership.

You MUST have:

Proven experience designing multi‑tenant SaaS platforms at scale
Strong AWS architecture experience (multi‑region, production systems)
Experience working on complex distributed systems (ideally Real Time/telecoms)

If not, your application will not be progressed.

TECH STACK & ARCHITECTURE ENVIRONMENT

Cloud & Infrastructure

AWS (core platform) Multi‑region architecture; Scalable, highly available infrastructure

Platform Architecture

Multi‑tenant SaaS platform (global scale)
Distributed systems/service‑based architecture
Backend services interacting across: Application layer; Data systems; Cloud infrastructure

Data & AI Layer

AI‑enabled platform (growing capability); AI/ML integration patterns

Integration Layer

Salesforce (core CRM integration); API‑driven integrations across platform services
External system interoperability

Real Time Systems

Telecoms/Real Time communications infrastructure requiring: Low latency; High concurrency/reliability

Engineering & DevOps Practices

CI/CD pipelines (DevOps‑led, collaborative environment)
Monitoring, logging, incident response
Strong focus on: System design clarity; Documentation; Architectural governance

KEY SKILLS

SaaS architecture (multi‑tenant, distributed systems)
Deep AWS architecture experience (production, multi‑region)
System design across Back End services, data, and integrations
Real Time systems/telecoms architecture (highly desirable)
Salesforce/CRM integration at architectural level
AI/ML architecture (integration, pipelines, platform design)
Observability, monitoring, resilience engineering
Architectural governance and decision frameworks
Strong documentation and system design communication

EXPERIENCE REQUIRED

8+ years software engineering (Back End/platform focus)
Proven experience architecting large‑scale SaaS platforms
Strong AWS experience in production environments
Experience leading architecture across multiple teams
Track record of: Improving platform scalability and resilience; Reducing technical debt; Establishing architectural clarity and governance
Experience with AI‑enabled platforms or products
Experience with Real Time communications/telecoms systems
Experience in product‑led SaaS environments

ROLE RESPONSIBILITIES

Own and drive the architectural direction of a global SaaS platform
Define service interactions across cloud, Back End, data, CRM, and Real Time systems
Lead architecture reviews and guide engineering decisions
Act as escalation point for complex cross‑platform challenges
Establish architecture governance, documentation, and standards
Improve resilience, observability, and operational maturity
Lead evolution of AI capabilities across the platform
Mentor engineers and elevate technical capability across teams

PERSONAL ATTRIBUTES

Proactive, ownership‑driven mindset
Strong technical judgement and decision‑making ability
Excellent communicator (technical and non‑technical)
Collaborative across engineering, product, and leadership
Curious and forward‑thinking (especially around AI)
Pragmatic - balances long‑term architecture with delivery

WHY APPLY?

Own architecture of a global SaaS platform
Work across cloud, Real Time systems, and AI
Shape AI strategy at platform level
High visibility, high‑impact leadership role

Send CV URGENTLY if interested.

Rest assured that your application will be treated in the strictest confidence and will not be sent to any third party without your explicit consent. Due to the high level of applications, we are only able to respond to candidates whose experience closely matches the requirements.

Clarity is a specialist recruitment business. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010.

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Clarity Resourcing (UK) LLP