Senior Software Architect for SaaS & AWS Microservices

Spectrum IT Recruitment; Portsmouth; On-site; GBP 90,000 - 120,000; Full time

Job summary

Spectrum IT Recruitment is partnered with a fast-scaling UK SaaS company building high-performance, data-driven platforms used by commercial teams to better understand and engage their customers. They seek a Software Architect to shape customer-facing systems with cloud-first, scalable solutions.

The role focuses on leading microservices, DevOps-aligned patterns, and AI/data practices across distributed teams, enjoying exposure to modern stacks and data-heavy architectures.

Qualifications

• 3–5+ years in a Software Architect role within SaaS environments.
• Deep cloud architecture knowledge, preferably AWS.
• Experience with microservices, event-driven systems, and data warehousing.

Responsibilities

• Lead microservices and event-driven design initiatives.
• Champion DevOps-aligned architecture patterns.
• Collaborate across distributed/offshore teams.
• Operate at both strategic and deep technical levels.
• Influence AI architecture and modern data practices.

Skills

Software architecture

SaaS experience

Cloud architecture

Microservices

Event-driven design

Data warehousing

Tools

NestJS

NodeJS

Vue

SQL Server

Snowflake

Redis

Job description

Spectrum IT Recruitment is partnered with a fast-scaling UK SaaS company building high-performance, data-driven platforms used by commercial teams to better understand and engage their customers. They seek a Software Architect to shape customer-facing systems with cloud-first, scalable solutions.

The role focuses on leading microservices, DevOps-aligned patterns, and AI/data practices across distributed teams, enjoying exposure to modern stacks and data-heavy architectures.