Principal Software Engineer (Mobile Architect)

The Opportunity

Join us as a Principal Software Engineer within our Field Mobile Platform team. Youll be part of a cross-functional group responsible for building, testing, and running platforms that empower field engineers to deliver efficient, compliant, and customer-centric service.Our field workforce depends on a suite of mobile applications to manage daily workflows across installation, service, and repair for gas, electric, smart metering, and emerging services. Over time, multiple apps and bespoke integrations have led to duplication, inconsistent user experiences, and operational inefficiencies. We are now consolidating and extending our platform to cover new domains, including:

• Supply Chain Management
• Knowledge Management
• Scheduling & Workflow Optimisation
• Quoting & Lead Generation
• Smart Metering

Key Responsibilities As a Principal Engineer, you will:

• Define and evolve the Field Mobile Platform architecture, ensuring scalability, resilience, and seamless integration with core systems (CRM, ERP, Supply Chain, IoT).
• Drive the rationalisation of existing field apps into a unified platform, reducing technical debt and cost of ownership.
• Lead cross-domain design decisions across Product, Architecture, and Field Operations to ensure consistent patterns, data models, and integration standards.
• Partner with business and product leaders to identify and deliver new digital capabilities that enhance efficiency, compliance, and customer experience.
• Establish engineering best practices in mobile development, CI/CD, testing, and telemetry across multiple delivery teams.
• Champion performance, offline capability, and security to ensure field reliability and regulatory compliance.
• Participate in innovation projects and hackathons, both internally and with partners such as Microsoft and Datadog.
• Influence technical strategy for your team and the wider platform ecosystem.
• Drive specialist areas such as Security, SRE, and Quality, if you have a passion for these domains.

What Were Looking For

• Proven experience shaping and delivering technology strategy.
• Hands-on engineering expertise in at least one programming language (we hire for engineering skill, not specific languages).
• Strong background in iOS & Android mobile app development and technical leadership.
• Deep knowledge of engineering best practices and continuous delivery.
• Experience collaborating to improve DevOps capability and contributing to communities of practice.
• Proactive approach to performance, scalability, and security challenges.

Competencies

• Effective collaboration with cross-functional teams to meet technical and business goals.
• Advocacy for continuous improvement and a culture of learning and innovation.
• Excellent communication skills, able to convey complex technical concepts to both technical and non-technical stakeholders.
• Motivation to own platforms and services from inception through continuous improvement.
• Enjoyment of coaching and mentoring team members in technical and functional areas.