Principal Software Engineer

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Location: UK remote (optional office presence – South West)

The Brief

We are supporting a fast-growing technology organisation in the search for a Principal Engineer to help scale a complex, globally deployed SaaS platform.

This is a senior individual contributor role with strong technical leadership expectations – ideal for someone who enjoys solving complex engineering challenges at scale while influencing architecture and engineering direction.

The Opportunity

You will take ownership of critical areas of a large-scale platform, helping to evolve architecture, improve performance, and support rapid international growth.

Working closely with engineering leadership and cross-functional teams, you will:

  • Lead design and architectural decisions across key product areas
  • Build and scale distributed systems handling high-volume data workloads
  • Support the evolution of a SaaS platform serving global enterprise customers
  • Influence engineering standards, tooling, and best practice across teams
  • Partner with product and technical stakeholders to shape roadmap direction
  • Drive improvements across scalability, resilience, and performance

A key focus will be scaling platform capability – supporting increased data volumes, users, and integrations while maintaining reliability and speed.

The Candidate

We are looking for an experienced engineer with deep technical expertise and a track record of operating at scale:

  • Strong background in software engineering and system design
  • Experience building and scaling distributed, data-intensive platforms
  • Proven ability to design robust, scalable SaaS architectures
  • Deep understanding of modern engineering principles and best practices
  • Experience working in cloud-native environments
  • Ability to navigate complexity and bring clarity to ambiguous technical challenges
  • Strong communication skills, with the ability to influence technical and non-technical stakeholders
  • Experience mentoring engineers and contributing to technical leadership

Technical Environment

Experience with modern architectures and tooling is expected, with exposure to technologies such as:

  • Cloud platforms and containerisation (e.g. Kubernetes)
  • Event-driven and microservices architectures
  • Large-scale data processing and search technologies
  • Modern backend development languages and frameworks

Why Apply?

  • Join a fast-scaling, product-led technology business
  • Influence architecture and engineering direction at scale
  • Fully remote-first culture with flexibility
  • Strong compensation and long-term growth opportunity

#J-18808-Ljbffr”, “datePosted”: “2026-05-20”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Franklin Bates”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__436989450__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=15282” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “Hounslow” } } }
Company: Franklin Bates
Apply for the Principal Software Engineer
Location: Hounslow
Job Description:

Location: UK remote (optional office presence – South West)

The Brief

We are supporting a fast-growing technology organisation in the search for a Principal Engineer to help scale a complex, globally deployed SaaS platform.

This is a senior individual contributor role with strong technical leadership expectations – ideal for someone who enjoys solving complex engineering challenges at scale while influencing architecture and engineering direction.

The Opportunity

You will take ownership of critical areas of a large-scale platform, helping to evolve architecture, improve performance, and support rapid international growth.

Working closely with engineering leadership and cross-functional teams, you will:

  • Lead design and architectural decisions across key product areas
  • Build and scale distributed systems handling high-volume data workloads
  • Support the evolution of a SaaS platform serving global enterprise customers
  • Influence engineering standards, tooling, and best practice across teams
  • Partner with product and technical stakeholders to shape roadmap direction
  • Drive improvements across scalability, resilience, and performance

A key focus will be scaling platform capability – supporting increased data volumes, users, and integrations while maintaining reliability and speed.

The Candidate

We are looking for an experienced engineer with deep technical expertise and a track record of operating at scale:

  • Strong background in software engineering and system design
  • Experience building and scaling distributed, data-intensive platforms
  • Proven ability to design robust, scalable SaaS architectures
  • Deep understanding of modern engineering principles and best practices
  • Experience working in cloud-native environments
  • Ability to navigate complexity and bring clarity to ambiguous technical challenges
  • Strong communication skills, with the ability to influence technical and non-technical stakeholders
  • Experience mentoring engineers and contributing to technical leadership

Technical Environment

Experience with modern architectures and tooling is expected, with exposure to technologies such as:

  • Cloud platforms and containerisation (e.g. Kubernetes)
  • Event-driven and microservices architectures
  • Large-scale data processing and search technologies
  • Modern backend development languages and frameworks

Why Apply?

  • Join a fast-scaling, product-led technology business
  • Influence architecture and engineering direction at scale
  • Fully remote-first culture with flexibility
  • Strong compensation and long-term growth opportunity

#J-18808-Ljbffr…

Posted: May 20th, 2026