Software Architect - NestJS, NodeJS, Vue - .NET backgrounds welcome
Portsmouth (Hybrid - 1-2 days per week onsite)
£85,000 - £95,000 + benefitsWe're 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're now looking for a Software Architect to shape the next generation of their customer-facing systems; designing scalable, cloud-first solutions capable of handling high data throughput and large data sets.
The Environment
The platform has evolved from a Microsoft / C# / .NET foundation into a modern stack including:
NestJS, NodeJS, Vue
Redis, SQL Server & Snowflake
AWS (cloud-first architecture)Strong .NET Architects who've worked in modern cloud and micro-services environments, or who can operate confidently across Node/TypeScript ecosystems, are absolutely encouraged to apply.
What matters most is architectural depth, SaaS scalability experience, and strong engineering principles.
The Role
This is ideal for someone who has progressed from hands-on engineering into architecture and still understands what great code and great systems look like.
You'll:
Design large-scale, high-performance SaaS architectures
Lead microservices and event-driven design initiatives
Champion DevOps-aligned architecture patterns
Work across distributed/offshore teams
Operate comfortably at both strategic and deep technical levels
Influence AI architecture and modern data practicesWhat We're Looking For
3-5+ years in a Software Architect role
Strong engineering background (C#/.NET or modern JS/TS stacks)
Experience within mature B2B SaaS environments
Deep knowledge of cloud architecture (ideally AWS)
Experience with microservices, event-driven systems
Strong understanding of OLAP, OLTP, ETL & data warehousing
DevOps-first mindset
Excellent stakeholder engagement skillsInterested?
If you're an Architect who wants real influence in a scaling SaaS environment - without being boxed into one technology - this is a strong opportunity.
Apply now : (url removed)
Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy
Salary description
£85000.00 - £95000.00 per year