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As a Staff+ Software Engineer at Seeq, you will play a critical role in shaping the technical direction and architecture of our software platform. A Bachelor's or Master's degree (or equivalent experience) in computer science, software engineering, or a related field. At least 10 years of profession

Trust In SODA is seeking a Principal Software Engineer in Greater London to lead the development of a cloud security platform.

Principal Software Engineer role within the Engineering - Server division at MariaDB plc. Principal Software Engineer - Distributed. This position is open for remote work in India, focusing on high-level software engineering contributions.

MPI Limited is seeking a Principal Control Engineer to lead control system activities based in Lincoln, England. The role focuses on developing software engineering control solutions for retrofit projects, involves direct customer interaction, and oversight of system integration and testing. Candida

We’re looking for a Principal Software Engineer to join the Elasticsearch - Search Scaling team. This is a principal software engineering role that entails using your vast knowledge in this space to define, direct, and build the next generation of Elasticsearch capabilities. Experience leading tec

Attract, develop, and retain top talent by building leadership depth, setting high standards, coaching managers and senior engineers, and fostering a culture of ownership, inclusion, and accountability. Lead and scale a multi-discipline organization spanning data platform engineering and AI/MLOps, e

Work closely with other Senior Principal Engineers to further the agent patterns and ecosystem across Toast as a whole. Partner with the Team Management Director of Engineering and Sr. Beyond being on the forefront of agent development, your scope will also include enablement and leadership for how

We are now looking for a visionary Principal Engineer to help define the next generation of our platform. You’ll lead the technical vision for one of the most critical pillars in our Engineering organisation, our API platform, driving innovation across synchronous and asynchronous services built w

Our Software Engineers don't just implement solutions—they discover new patterns of working with AI that. Provide deep technical guidance to multiple engineering teams across projects. Collaborate with product and AI leadership to align software strategy with company goals.

Understanding Recruitment is partnering with a rapidly growing start-up in London seeking Senior/Principal Software Engineers. Offering up to £150,000 plus equity, they welcome backend or full-stack engineers regardless of experience in Rust, Typescript, or React.

The Principal Engineer is the most senior engineer in the company and plays a crucial role in delivering our business goals. Mentor and coach engineering managers, staff, and key engineers to develop technical and leadership skills. This role combines deep technical expertise with strong leadership,

As Principal Software Engineer, you’ll act as the technical backbone of the organisation – defining architecture, setting engineering standards, and guiding platform evolution as the product scales into a multi‑product ecosystem. Principal Software Engineer – Platform / Distributed Systems -

As a Director of Software Engineering in the AI/ML & Data Platforms group, you will lead a technical area and drive impact across teams, technologies, and projects. Hold formal training or certification in software engineering concepts. Promote best practices in software engineering.

Icehouseventures is seeking a Principal Application SW Engineer to join our team in Japan, focusing on localising Wayve’s autonomous driving technology. Responsibilities include software bring-up on customer hardware platforms and collaborating with cross-functional teams. Candidates should have 8

Light is seeking a Principal Engineer in London to lead AI integration and technical strategy. You will collaborate with clients, guide technical direction, and mentor teams to ensure high-quality software solutions.

Consulting/Principal Software Engineer. About 7+ years of experience in Software Engineering, Quality Engineering, or related roles, contributing to complex systems in production. The SciVal Development Team is a cross-functional group comprising Frontend, Backend, and Quality Engineers who work clo

We need a Principal Engineer who is both an architect of engineering principles and a hands‑on build engineer. Retained Search: Principal Software Engineer (Platform) | London (Hybrid). Creatively integrating controls and compliance into the SDLC so they empower engineers to ship multiple times a

You’ll also mentor engineers, foster best practices in test automation, and help shape our quality engineering capability. Principal Software Developer in Test (SDET). Location: London (Hybrid) | Practice Area: Technology & Engineering | Type: Permanent.

This is a hands‑on engineering role focused on embedded Linux systems, hardware integration, and low‑level software development within a multidisciplinary environment spanning embedded systems, cloud platforms, computer vision, and application software. Strong embedded software engineering backg

Appvia in London is seeking a Principal Software Engineer to provide technical leadership in modern software systems. The role involves collaboration with delivery managers and engineers to enhance engineering standards and practices.

Mentor and support senior engineers, helping to raise the overall engineering capability. As a Principal Engineer at M&S, you’ll play a critical role in shaping our technical direction and delivering against our strategic goals. Define and drive technical strategy, architecture, and engineering st

Experience with containerization and orchestration technologies (Kubernetes).Ground Floor, Verse Building, 18 Brunswick Place, London, N1 6DZ.

Following significant growth within their trading practice, they are looking to hire a Principal Software Engineer to lead complex, high-impact client engagements across data, AI, and software engineering initiatives. Strong software engineering experience with Python and modern cloud technologies.

Our pay ranges for our Principal Engineer position within London are: £92,818‑£116,122 GBP. Used context‑appropriate automated testing to inform software design choices and catch bugs. Coaching client engineering teams, transferring knowledge and leveling up practices.

Principal Software Engineer with UK Security Clearance eligibility to lead software engineering efforts. This role involves hands-on technical leadership, shaping architecture, and mentoring engineers.

We’re looking for a Principal Software Engineer to play a key role in shaping and evolving a scalable technology platform within a highly collaborative engineering environment. Principal Software Engineer (C#) | London | £110,000-£130,000. This is an opportunity to combine hands-on technical lea

Senior/Principal Software Engineer. We’re looking for Senior and Principal Engineers who want to shape meaningful systems, influence technical direction, and work alongside capable people who care about doing the job properly. Department: Software Engineering.

As a Principal Software Engineer, you will lead the architecture and development of highly advanced software systems. Principal Software Engineer - Gram Games. You will provide strategic technical direction, mentor senior engineers, and ensure that software solutions meet business and technical requ

Solid understanding of software engineering best practices, including testing, code review, and documentation. Experience line managing or formally mentoring engineers, with confidence running 1:1s and supporting career development. Collaborate with data engineers and domain experts on the evolving

Mentor and support senior engineers, helping to raise the overall engineering capability. As a Principal Engineer at M&S, you'll play a critical role in shaping our technical direction and delivering against our strategic goals. Improve engineering quality, reliability, and productivity through best

Our Software Engineers don't just implement solutions—they discover new patterns of working with AI that. Represent the engineering organisation externally — at conferences, client meetings, and community events. Track record of mentoring senior engineers and leading technical communities.

Accenture Software & Platform Engineering is over 1,000 people strong and provides end-to-end product engineering solutions which deliver tangible value, fast. As part of our Software & Platform Engineering team, you’ll work with cutting-edge technologies and develop a wide range of new skills on

Degree in Computer Science, Software Engineering or similar. I am delighted to be working with an existing client that is looking for a key hire to join their engineering team as the Principal Frontend Tech Lead. Experience in scaling engineering teams within a startup preferred.

Europe’s leading software investors’ AI product incubators in hiring a. Proven ability to mentor and lead engineers. Build and mentor high-performance engineering teams.

Consulting/Principal Software Engineer. Around 7+ years of experience in Software Engineering, Quality Engineering, or related roles, contributing to complex systems in production. The SciVal Development Team is a cross‑functional group comprising Frontend, Backend, and Quality Engineers who work

Principal‑level backend engineering experience building and operating large‑scale, high‑performance systems. Proven ability to mentor engineers and raise the technical bar across teams. You will design and evolve core platform capabilities, guide architectural decisions across microservices, a

WorksHub is seeking a Principal Software Engineer to join our London team. The role involves delving into engineering processes while being proficient in TypeScript (Node.

Principal Systems Engineer in Portsmouth to join their Simulation and Training sector on a hybrid basis. The role involves technical leadership for the MIMESIS product, requiring expertise in Systems Engineering and software integration. The ideal candidate will work directly with teams, applying Sy

Principal Software Engineer - Product team. We’re looking for a Principal Software Engineer to lead the architecture, design, and evolution of our secure, distributed, cloud-native systems. This is a hands‑on leadership role where you’ll shape engineering strategy while designing and deliverin

Cititec is looking for a Principal Software Engineer to lead high-impact client engagements in the Energy & Commodities trading space. Candidates should have strong software engineering expertise, particularly in Python and cloud technologies, and be comfortable in stakeholder-heavy environments.

We’re seeking an exceptional Principal Application SW Engineer to join our Japan‑based team within the Application Software team, focused on localising and advancing Wayve’s autonomous driving technology for the Japanese market. Our advanced AI software and foundation models enable vehicles to

A leading UK retailer is seeking a Principal Engineer to lead technical strategy within the Personalisation product group.

Principal Software Engineer (Docker Agents). You’ll define the technical vision, lead architecture decisions, and partner with engineers and leaders across Docker to bring containerized agent capabilities into Docker’s developer experience. Mentorship & Enablement: Mentor senior engineers, raise

We are looking for a Principal Engineer to serve as the technical anchor for our organization. We are looking for a Principal Engineer who can bring a depth and breadth of experience to help shape this journey, working in a role with a high level of ownership, empowerment, impact, and mentorship. Yo

Act as the engineering contact point between MPG and the client, working alongside the Project Manager and Engineering Leadership. Mentor and delegate pieces of work to other team members to help develop them as engineers. Active mentorship of the engineering team towards professional accreditation

Senior and Principal Engineers. You’ll help design and build modern cloud‑native services, guide engineering standards, and solve genuinely hard problems with our customers.

Our client - a global automotive systems industry leader - is looking to hire an Principal AI Software Engineer (Java) to join them on an initial 6-month contract, with a view to transition to permanent employment. Exceptional problem-solving and engineering judgment. Customer facing software/platfo

You will be a key advocate for thoughtful, low‑complexity engineering solutions within the team, and a contributor to internal and regional engineering communities. Solid full‑stack engineering experience, working across the full development lifecycle.