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You will lead software design and implementation, validate Software Design Specifications (SDS), oversee Source Code Reviews (SCRs), and ensure software is delivered to the highest engineering standards. Degree in Engineering, Software Engineering, Electrical Engineering, or related field. Mechanica

We are looking for principal software engineers with diverse experience.

MS in Engineering or a related discipline or equivalent combination of education. 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 f

Join Our Team as a Principal Software Engineer in Cloud Video Framework at Hawk-Eye Innovations. Hi, I’m Tim Seals, Principal Software Engineer and C++ Apps Discipline Lead. Engineering Excellence: Write and review high-performance, multithreaded C++ code that serves as the gold standard for the r

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. Ensure quality, reliability, and security are embedded in all engin

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. Customer facing software/platform re-write experience. Deep technical expertise in mo

We’re looking for a Principal Software Engineer to help define and build the future of the Customer Journey at HubSpot. As a Principal Engineer, you’ll go beyond execution — you’ll define direction, turn ambiguity into simple, scalable systems, and shape the core experience of HubSpot for mi

Track and improve key delivery/quality indicators (lead time, change fail rate, MTTR, escaped defects, performance budgets)Requirements:* Around 7+ years of experience in Software Engineering, Quality Engineering, or related roles, contributing to complex systems in production. Consulting/Princi

Staff or Principal Engineer level in an organization of 100+ engineers. Principal Software Engineer (Python, AI). Staff or Principal Engineer level in a sizeable engineering organization and can point to specific platform decisions — in production today — that they own.

A leading global professional services company is seeking a Manager for their Software & Platform Engineering team in Greater London. The role requires proven leadership and client-facing skills, with solid full-stack engineering experience, including React, Node.

Apply engineering expertise to deliver high‑value solutions across full development lifecycle. Play an active role in internal and regional engineering communities to shape conversations around technology. Solid full‑stack engineering experience across React, XJS, Node.

As Principal Software Engineer in our global technology team, you will be working with a group of passionate engineers who build technical solutions to complex business problems. Bachelor’s degree in computer science or engineering field involving software programming or systems engineering. Engin

A technology company in the United Kingdom is seeking a Principal Software Engineer to shape the technical direction of its platform. Responsibilities include guiding backend services, solving complex problems, and mentoring engineering talent.

A technology recruitment agency is seeking a Principal Software Engineer to join a talented team in Southampton. In this role, you will lead the development of advanced real-time software systems that integrate IoT with data processing to solve real-world problems.

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. We are looking for a Principal Engineer to serve as the technical anchor for our organization. You

With strong market traction, we’re now looking for a Principal Engineer. We’re seeking an experienced and technically strong Engineer to join our high performing Engineering Team. Collaborative engineering culture.

Elasticsearch - Principal Software Engineer II - Storage Engine. Principal Software Engineer II. Work with a globally distributed team of experienced engineers focused on the logs and metrics capabilities of Elasticsearch.

They’re now looking for a Principal Software Engineer to provide senior technical leadership across multiple delivery engagements and to help shape how modern software is built, evolved, and maintained. We (SR2) have partnered with this highly regarded cloud and software engineering consultancy th

Architect and implement new software solutions, leading the overall structural design and fostering engineering best practice within a small team. Join the Software Engineering team where you will play a crucial role in developing, enhancing, and transforming our investment reporting platform, Serpe

A leading UK retailer is looking for a Principal Engineer to shape technical direction and deliver strategic goals in their Personalisation product group. This pivotal role involves leading engineering excellence and collaborating with cross-functional teams to enhance customer experiences through t

A global AI-native consultancy is seeking a Principal Software Engineer to lead engagement delivery in the Energy & Commodities Trading sector.

Principal Robotics / C++ Software Engineer. We’re looking for a Principal Robotics / C++ Software Engineer to lead that transition. This role goes beyond a typical senior engineering position.

At Nscale, our Software engineers form the backbone of our product offering. You have 10+ years software engineering experience building and operating production systems, with proven technical leadership in infrastructure automation or workflow tooling. You’ll mentor a team of senior engineers, se

Principal Frontend Engineer (React / TypeScript). We’re hiring a Principal Frontend Engineer to join a Front Office Technology team at a leading investment management firm. Contributing to frontend architecture, standards, and engineering direction.

Recruiting a Principal Software Engineer with a proven track record of delivering innovative, AI driven solutions and the curiosity to explore beyond traditional technology boundaries. Principal Software Engineer - AI & Innovation. Significant experience in a senior software engineering position.

Professional experience in software engineering, with experience in leadership or Principal Engineer role. Deep knowledge of software engineering principles and best practices, particularly in Python, Java, or similar backend technologies. Collaborate with product managers, designers, and other engi

As Principal Software Engineer in our global technology team, you will be working with a group of passionate engineers who build technical solutions to complex business problems. Bachelor’s degree in computer science or engineering field involving software programming or systems engineering. Hands

A leading UK Challenger Bank is seeking Mid-Senior Software Engineers to contribute to their growth. This contract role, based in Liverpool, requires collaboration and mentoring within the engineering team. If you have experience with TDD, CI/CD and value engineering maturity, apply to join a dynami

A leading software company in the UK is seeking a Principal Software Engineer to drive technical direction and architect cloud-native systems. The successful candidate will lead innovation efforts, mentor engineers, and collaborate across teams to align engineering with business goals. This role req

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

Our Software Engineers play a critical role in Vitality’s successful business model by building and maintaining software solutions, in line with quality and time parameters, to enable operation as a fully integrated composite business, offering brilliant products with seamless, intuitive customer

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

As the Principal Engineer, Software Supply Chain Security, you’ll own the technical strategy that secures how software is built and delivered on GitLab’s DevSecOps platform. Experience operating as a Principal or Staff Engineer across multiple development teams, providing architectural leadershi

At least 10 years of commercial software engineering experience, with a proven track record of leading the design and delivery of large‑scale, complex, and ambiguous technical projects. Snyk is the leader in secure AI software development, helping millions of developers develop fast and stay secur

Principal Software Engineer (Docker Agents). Docker’s AI engineering team to build the future of containerized AI 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’

Act as the engineering contact point between MPG and the client, working alongside the Project Manager and Engineering Leadership. You will act as a key engineering contact for external co-dev clients, collaborating with the Technical Director and Lead to architect solutions that balance technical i

This is a hands‑on technical leadership role where you'll shape the design, guide the team, and ensure successful delivery of a critical transformation project.Collaborate with a cross‑functional team (including React developers) to ensure seamless integration of front‑end and back‑end.Build

A leading financial data firm in Greater London is seeking a Principal Software Engineer to provide technical leadership in the development of a financial data distribution platform. The ideal candidate will have a strong background in data engineering, with expertise in cloud technologies, particul

Senior/Principal Software Engineers:. They're looking to add Senior/Principal Engineers to their team. The team are open to hiring pure backend engineers, or full-stack engineers.

Track and improve key delivery/quality indicators (lead time, change fail rate, MTTR, escaped defects, performance budgets)Requirements:* Around 7+ years of experience in Software Engineering, Quality Engineering, or related roles, contributing to complex systems in production. Consulting/Princi

Principal Software Engineer - Data. We are seeking an ambitious, self‑motivated Principal Software Engineer to provide technical and strategic leadership for the Data team and shape the platform’s evolution. Strong experience with cloud infrastructure and modern engineering practices, and the ab

Elsevier is looking for a Consulting/Principal Software Engineer in Greater London. In this role, you will act as the technical lead for a cross-functional squad, focusing on designing and delivering reliable, secure software solutions.

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

The ideal candidate has extensive experience in software engineering, leadership skills, and a strong grasp of Agile methodologies, enabling effective collaboration across teams. A global information solutions provider is seeking a Technical Lead to oversee software design and implementation for com

Principal Software Engineer (Docker Agents). Establish repeatable engineering practices for quality, performance, and operational excellence in agent systems. Docker’s AI engineering team to build the future of containerized AI agents.

We’re looking for a Principal Software Engineer (Java) who brings deep technical expertise and thrives in a hands‑on leadership role. Lead engineering across the value stream, remaining hands‑on in architecture, coding, debugging and technical decision‑making to support delivery of scalable

As a Principal Engineer in our Product Engineering team, you will be both the. Skills Interview: 60 minutes, for this role, this will be a live programming test with 1‑2 of our current engineers. We want to see strong problems solving skills and engineering fundamentals as you build a working solu