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You would be joining a squad of Principal engineers with different expertise that serves as a centre of excellence to the 16+ engineering teams in the wider engineering function. If you are a Front End-leaning Principal engineer who wants to combine your experience in web and AI to help unlock other

Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. Provide leadership and mentorship across multiple engineering teams.

Principal Software Engineer – Manchester – eCommerce - 90k+10% Bonus Great opportunity for a Principal Software Engineer to join a Manchester based eCommerce giant as they work on a large-scale digital re-platform across the estate to MACH and Event-Driven Architecture.

Principal Software EngineerPortsmouth | Hybrid, 3 days onsite£75,000-£85,000 plus bonus and benefitsThis Principal Software Engineer role is designed for a hands-on technical leader with strong C++ and Unreal Engine expertise, working at the forefront of complex, performance-critical software deli

A leading technology firm in Greater London is seeking a Principal Software Engineer to drive the technical direction for high-profile projects. The role involves leading the delivery of modern, scalable software aimed at creating impactful, human-centered solutions.

A leading retail company in the United Kingdom seeks a Principal Software Engineer to lead high-performing teams and drive engineering excellence. You will shape and inspire the software engineering culture while working with modern technologies like React, Java, and Azure.

The Role: Principal Software Engineer. At the Principal level, engineers are expected to master their immediate domain and have broad impact across other engineering teams. Influence leadership / CTO organization and collaborate with other Principal Engineers across the organization to build the rig

A leading retail company is currently seeking a Principal Software Engineer to join their dynamic team in London. This role involves leading high-performing engineering teams, enhancing engineering excellence, and influencing technology strategy. The ideal candidate will have a deep expertise in sof

As a Principal Software Engineer you are expected to participate in technical discussions to come up with a design to meet Product Requirements, develop test driven code, pair with team members, mentor juniors and support the existing API Platforms. We help our corporate customers, R&D professionals

We are on the lookout for a Principal Software Engineer II to join our Elasticsearch - Distributed Systems team and focus on how Elasticsearch provides scale, performance, and resilience. Supporting our support engineers with the harder problems.

A leading insurtech company in Greater London is seeking a Principal Engineer to shape the technology direction and drive modernization initiatives. You'll lead by example in designing and delivering resilient, high-quality systems, and mentor junior engineers.

Get notified about new Principal Software Engineer jobs in. An established, global technology business within the hospitality‑tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next‑generation digital solutions. Delivery Consultant @ Fruition

A leading fintech scale-up in the UK is seeking a Principal Software Engineer to drive the development of a new credit card product.

Platform - Principal Software Engineer (Billing Team). Proven record of mentoring engineers, setting technical direction, and elevating engineering quality standards. Elasticsearch develops and distributes encryption software and technology that is subject to U.

A leading cloud and software engineering consultancy in Greater London seeks a Principal Software Engineer to provide senior technical leadership. You'll design and evolve scalable software systems, mentor engineers, and influence architectural standards.

Principal Software Development Engineer - CAD/Geometry. As a Software Development Engineer at Autodesk Research, you will work side‑by‑side with world‑class researchers and engineers to build new ML‑powered product features that help our customers imagine, design, and make a better world. Yo

As a Principal Software Engineer, your world is being embedded or supporting the teams where the hardest work is happening at any given time, helping them deliver good quality software with predictable velocity, helping them break through when they’re getting blocked, helping them get better over

We are currently looking for a Principal Software Engineer. Principal Software Engineer - REMOTE. If you possess deep consulting acumen and a passion for developing high-quality software, this opportunity is for you.

As a Principal Software Engineer, you will play a senior technical leadership role across Appvia’s software delivery engagements. We partner with customers across public and private sectors to reduce technical debt, improve engineering practices, and support long-term system evolution using modern

A growing consultancy in the UK is seeking a Principal Software Engineer to lead the design of complex digital twins and provide strategic advice to key defense stakeholders. The ideal candidate will have over 7 years of software engineering experience, strong proficiency in C++ and Unreal Engine 5,

You will interact with architects, software and data engineers, AI/ML modelers, product owners as well as other team members across R&D. Software Engineering & Application Development. Apply prompt engineering techniques for optimal LLM performance.

Principal Software Engineer - React Native - Executive Director. Recruit, mentor and lead a lean, high‑impact engineering team. Formal training or certification on React engineering concepts and proficient expert experience.

Collaborate with engineers, product managers, and stakeholders to deliver reliable, scalable features. Degree in Computer Science, Engineering, or equivalent experience. Interest in financial services or experience in B2B software is advantageous.

A leading global biopharma company is seeking a Senior Principal Software Engineer in London. The ideal candidate will have a robust background in software development, data engineering, and AI/ML technologies.

Do you have a passion for making systems run as efficiently as possible? Join our innovative team.Our Cloud Technology Group’s Compute division, formerly Linode, consists of collaborative, inclusive, and creative teams that develop applications and services to empower our customers.Our mission is

Join the Software Engineering team where you will play a crucial role in developing, enhancing, and transforming our investment reporting platform, Serpentine, a web application written using Python and Django. Architect and implement new software solutions, leading the overall structural design and

We are looking for a Principal Software Engineer to join our passionate Technology Team. Qualifications in Computer Science or Software Engineering. The Engineer will play a crucial part in decisions and design choices, and will lead the migration of our codebase toward an agile, scalable environmen

Principal Software Engineer – Drive Social Impact Through Tech. Are you a tech leader passionate about using software to create meaningful change? We’re seeking a. Passion for ethical software development and social impact.

We are looking for an experienced Senior C/C++ modeling Engineer to join our hardware team. In this role, you will collaborate with SOC architects, design, and verification engineers to implement and model the design functionality of custom blocks. BS in Engineering or a related discipline or equiva

We're seeking a Principal Software Engineer to lead the architectural evolution of our platform as we scale to meet growing demand from the world's largest engineering companies. Get notified about new Principal Software Engineer jobs in. This is a hands‑on technical leadership role where you'll d

Principal Software Engineer, Snyk Code (SAST) page is loaded## Principal Software Engineer, Snyk Code (SAST)locations: United Kingdom - London Officetime type: Full timeposted on: Posted Todayjob requisition id: JR100008Snyk is the leader in secure AI software development, helping millions o

A leading technology recruitment agency is seeking a remote-first Principal Engineer for a key role with a client known for their high-performance software solutions. The ideal candidate will have over 10 years of software engineering experience, expertise in C# or Java, and a solid grasp of cloud t

Principal Software Engineer | London | £120k to £160k + benefits | Python. This is serious engineering in a fast moving space, with high expectations around quality, reliability, and judgement. Taking real ownership over the software you build.

You would be joining a squad of Principal engineers with different expertise that serves as a centre of excellence to the 16+ engineering teams in the wider engineering function. If you are a Front End‑leaning Principal engineer who wants to combine your experience in web and AI to help unlock oth

Principal Software Development Engineer - CAD/Geometry page is loaded## Principal Software Development Engineer - CAD/Geometrylocations: EMEA - United Kingdom - London - Agar St: EMEA - United Kingdom - Birmingham: EMEA - United Kingdom - Offsite/Home: EMEA - United Kingdom - Cambridge - Aut

As a Software Development Engineer at Autodesk Research, you will work side-by-side with world‑class researchers and engineers to build new ML‑powered product features that help our customers imagine, design, and make a better world. You are a software engineer who is passionate about solving pr

Elasticsearch – Principal Software Engineer II – Storage Engine. Principal Software Engineer II. Elasticsearch – Principal Software Engineer II – Storage Engine.

Mesh-AI are seeking an exceptional Principal Software Engineer to lead delivery of exciting engagements within our Energy & Commodities Trading sector. Establish software engineering best practices and coding standards for trading applications, upskilling more junior members of our delivery teams. Y

We re seeking a Principal Embedded Software Engineer to take a leading role in the development and evolution of our embedded software across both new products and established designs. This position is ideal for an experienced engineer who enjoys guiding technical direction, mentoring others, and dri

As part of the M&S Software Engineering team, you'll be joining a well-loved historic brand, working on solutions that serves millions of loyal customers and thousands of colleagues! With ethical values that run right through the company's core and technology leaders that truly understand software e

Principal Software Engineer (DevOps)OracleUnited KingdomJoin OCI’s Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. Mentor engineers, influence cross-org roadmaps, and collaborate with Product, SRE, and Network Engineering from concept to GA. This ro

A leading consultancy firm is seeking a Technical Lead - Principal Software Engineer to join their team in London or Cambridge. Ideal candidates will have over 8 years of experience in software engineering, a relevant degree, and strong leadership skills.

A leading electronics manufacturer based in Southampton is seeking a Principal Embedded Software Engineer to spearhead development and maintenance of a new system. This role requires a candidate with a strong background in embedded software, particularly in processor design and communication interfa

As part of the M&S Software Engineering team, you'll be joining a well-loved historic brand, working on solutions that serves millions of loyal customers and thousands of colleagues! With ethical values that run right through the company's core and technology leaders that truly understand software e

Deliver critical software engineering. I'm working with a software company that's looking for a. This is a key role where you'll take ownership of the technical roadmap and manage solutions architecture, acting as a vital link between leadership and the engineering team.

Produce high-integrity, mission-critical software to defined engineering and quality standards. Contract Software Engineer (Ada) Real-Time Embedded. You’ll be trusted with complex problems, work closely with systems, hardware, and firmware teams, and play a key role across the full software lifecy

Senior Principal Software Engineer. You will interact with architects, software and data engineers, AI/ML modelers, product owners as well as other team members across R&D. Software Engineering & Application Development.

Oliver Wyman is seeking a Principal Software Engineer (Cloud) to join our Retail Solutions team in the UK, with London or Newcastle being our preferred office locations but we can offer some flexibility. This is a hands‑on role that requires a strong SW engineering and cloud engineering foundation