12 of 12 Principal Software Engineer Jobs in the South West

have a growing international footprint and are one of Europe's fastest-growing engineering businesses. About the role We are looking for a Principal Software Engineer to build the Internal Developer Platform that our engineering teams depend on - a platform built from the ground up for agentic … engineering. Our software teams work on hard problems under tight deadlines. Your job is to make sure the platform underneath them is not one of those problems. Working within the Platforms team, you will architect and own the tooling, infrastructure, workflows, and components that our clients developers build on. ...

Software Engineer (Principal & Senior) - Active SC, DV Clearable Location : Remote whilst SC, Cheltenham 4 days on-site once DV Salary : Lead, £90,000 - £100,000/Principal, £110,000 - £130,000 Clearance: Must have a minimum of active SC with ability to go through DV. Sanderson … Government & Defence are partnering with a specialist organisation at the forefront of data moderniastion across the Public Sectors. Duties & Responsibilities As a Lead or Principal Software Engineer, you will help lead the development of backend platforms and services for secure clients leveraging the latest commercial and open ...

working with us can mean deeper job satisfaction, better rewards, and a great quality of life inside and outside of work.Job Title:Senior Principal Software EngineerReporting To:Dir. Engineering, Product Integrity & Tech Bus. DevelopmentWork Schedule:Hybrid – Tewkesbury, GBRAbout Moog Aircraft GroupMoog Aircraft Group is a world leader … flight. As part of our team, you’ll work on cutting-edge technologies that power next-generation aircraft.About the RoleWe are seeking a Senior Principal Software Engineer to lead the development of software for advanced flight control and actuation systems. This role requires deep expertise ...

client is a fast-growing UK engineering and software technology company located in Bristol. They are looking to hire a Principal Software Engineer to lead the design, architecture and development of their internal developer platform that all their engineering teams will utilise and depend on. … roll out coding agents across engineering workflows and own how and where they're used. Key skills/experience required: Substantial experience as a principal or staff software engineer, with experience of utilising a range of languages/tools/frameworks (Python, Go, Rust, AWS, Kubernetes ...

Principal Embedded Software Engineer now needed in Bristol contributing to architecture, design, and implementation of safety-critical embedded software. This role involves technical leadership within projects, mentoring junior engineers, and ensuring high standards of software quality and compliance with safety standards. I am seeking an experienced … Principal Embedded Engineer with 10 years plus expertise in the following areas: Strong experience in embedded systems design and development Proficiency in C and assembler. strong experience with Real-Time Operating Systems Familiarity with safety-critical software development standards (e.g., IEC 61508, DO 178B/C, ISO26262 ...

Posted:2026-09-18 Country:United Kingdom Location:Gloucester, South Gloucestershire Position Role Type:OnsiteRaytheon UK have a full time, perm opportunity for a Principal Software Engineer to join our specialist teams working onsite at our Manchester and Gloucester sites.You'll be part of our experienced software dev function, working in a cross-functional team, delivering and deploying critical software across a variety of programmes. In this area of the business we prove DevSecOps at scale, Artificial Intelligence, Machine Learning, cyber and geospatial intelligence capabilities to support the defence, intelligence and cyber sectors. Collaborating with ...

Software Engineer (Principal & Senior) - Active SC, DV Clearable Location : Remote whilst SC, Cheltenham 4 days on-site once DV Salary : Lead, £90,000 - £100,000/Principal, £110,000 - £130,000 Clearance: Must have a minimum of active SC with ability to go through DV click ...

skills needed for this roleStrategic Enterprise Technology LeadershipRecognised Java Engineering ExpertiseAdvanced Architecture & Systems Integration CapabilityWhat this role is all aboutWe're looking for a Principal Software Engineer to join Vitality's Engineering function, providing technical leadership across complex enterprise platforms and customer-facing solutions. This … highly influential role responsible for shaping engineering standards, driving architectural decisions, leading large-scale technical initiatives and ensuring the successful delivery of integrated software solutions that support critical business outcomes. The role operates across multiple teams and works closely with senior stakeholders, architects and third-party partners to deliver ...

Strategic Enterprise Technology Leadership Recognised Java Engineering Expertise Advanced Architecture & Systems Integration Capability What this role is all about We're looking for a Principal Software Engineer to join our client's Engineering function, providing technical leadership across complex enterprise platforms and customer-facing solutions. This … highly influential role responsible for shaping engineering standards, driving architectural decisions, leading large-scale technical initiatives and ensuring the successful delivery of integrated software solutions that support critical business outcomes. The role operates across multiple teams and works closely with senior stakeholders, architects and third-party partners to deliver ...

Lead/Principle Software Engineer Clearance Required: Active SC Clearance (Mandatory) The Opportunity We're looking for an experienced Software Engineer to join a high-performing team delivering secure, mission-critical solutions for Defence, National Security, and Government customers. This role offers the opportunity to design … build scalable, resilient, and high-performing systems across both public and private cloud infrastructure. You'll play a key role in the full software development lifecycle, from solution design through to deployment and operational support, while collaborating with multidisciplinary teams to deliver innovative solutions that make a real-world ...

Lead/Principle Software Engineer Clearance Required: Active SC Clearance (Mandatory) The Opportunity We're looking for an experienced Software Engineer to join a high-performing team delivering secure, mission-critical solutions for Defence, National Security, and Government customers click apply for full job details ...

Description Lead/Principle Software Engineer \n Clearance Required: Active SC Clearance (Mandatory) \n The Opportunity \n We're looking for an experienced Software Engineer to join a high-performing team delivering secure, mission-critical solutions for Defence, National Security, and Government customers. \n This role ...