85000 - 95000 per annum + Benefits Portsmouth, HampshirePermanentReady to architect platforms that operate at serious scale? Software Architect - NestJS, NodeJS, Vue - .NET backgrounds welcomePortsmouth (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 EnvironmentThe platform has evolved from a Microsoft / C# / .NET foundation into a modern stack including:NestJS, NodeJS, VueRedis, SQL Server & SnowflakeAWS (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 RoleThis 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 architecturesLead microservices and event-driven design initiativesChampion DevOps-aligned architecture patternsWork across distributed/offshore teamsOperate comfortably at both strategic and deep technical levelsInfluence AI architecture and modern data practicesWhat We're Looking For3-5+ years in a Software Architect roleStrong engineering background (C#/.NET or modern JS/TS stacks)Experience within mature B2B SaaS environmentsDeep knowledge of cloud architecture (ideally AWS)Experience with microservices, event-driven systemsStrong understanding of OLAP, OLTP, ETL & data warehousingDevOps-first mindsetExcellent 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 : ##### Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.