Principal Engineer Jobs

ABOUT QUINCE Quince is a destination for builders, creators, innovators, and operators who want to come together and challenge the status quo. Our mission is simple: make really high quality essentials for really low prices, fairly and sustainably. We deliver on that mission through a unique manufac

Who we are Neros is a defense technology company rebuilding America’s drone industrial base. We design and manufacture high-performance unmanned systems that are tested in combat, iterated at startup speed, and built at massive scale. Our team culture is fast, hands-on, and obsessed with closing the

Are you ready to join our digital revolution journey? At Aleph, we’re not just part of the digital advertising landscape—we’re shaping its future. Representing the world’s leading platforms, including TikTok, Amazon, Google, and nearly 55 others, we operate in 130+ markets across new and existing ge

About the RoleWe are building the enterprise AI agent platform that teams across the company will use to create, deploy, govern, and operate AI-powered solutions at scale. As a Principal Engineer, you will help define the technical foundation for agent development across the organization, building t

Job Title: Principal Engineer – Prototype Lead (System Integration, Verification and Validation) Location: Barrow-in-Furness. This role will require full time, onsite working Salary: Circa £55,000 Who we are: Join BAE Systems and you’ll be part of something bigger. As a valued member of our global c

About Invesco As one of the world’s leading independent global investment firms, Invesco is dedicated to rethinking possibilities for our clients. By delivering the combined power of our distinctive investment management capabilities, we provide a wide range of investment strategies and vehicles to

Job Title: Principal Engineer – Combat Systems (External Communications) Location: Frimley, (alternative locations: Filton, Portsmouth Broad Oak or Weymouth) We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Sala

You’ve discovered something special. A company that cares. Cares about leading the way in construction, engineering, manufacturing and renewable energy. Cares about redefining how energy is designed, applied and consumed. Cares about thoughtfully growing to meet market demands. And ─ as “one of the

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with the peo

Posting Type Remote/Hybrid Job OverviewWe’re looking for an engineer who designs, builds, and operates large-scale distributed systems under strict availability SLOs. Enrichment turns more than a petabyte a month of raw, unstructured data (files, mailboxes, drives, cloud containers) into structured

Astera Labs (NASDAQ: ALAB) provides rack-scale AI infrastructure through purpose-built connectivity solutions. By collaborating with hyperscalers and ecosystem partners, Astera Labs enables organizations to unlock the full potential of modern AI. Astera Labs’ Intelligent Connectivity Platform integr

Sr AI Specialist is part of Smart manufacturing team at Nexperia Seremban. Nexperia Seremban assembly and test site is growing both in terms of volume and complexity becoming the largest backend factory for Nexperia. This role is for driving data and AI adoption in converting our factory into a smar

ABOUT YOU We are looking for a Principal Engineer to take architectural ownership of the agent-readable Shop Builder platform. This is the most senior individual contributor role on the DevX and AI team, and the decisions you make here — which surfaces to expose, which formats to support, which stan

Fin, now part of Salesforce, is on a mission to help businesses provide perfect customer experiences. Our AI Agent Fin is the highest-performing AI Customer Agent on the market today, enabling businesses to deliver impeccable, always-on customer support across the customer journey, from service, to

Fin, now part of Salesforce, is on a mission to help businesses provide perfect customer experiences. Our AI Agent Fin is the highest-performing AI Customer Agent on the market today, enabling businesses to deliver impeccable, always-on customer support across the customer journey, from service, to

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with the peo

Here at The Exploration Company, we are building innovative aerospace technologies that advance the future of space transportation. The heart of a spacecraft lies in its engine, and that's why we, at The Exploration Company, are dedicated to developing our own cutting-edge Propulsion Systems ensurin

Beehive Industries is dedicated to Powering American Defense by revolutionizing the design, development, and delivery of jet propulsion systems to support the warfighter. Through the integration of additive manufacturing, the company aims to meet the growing and urgent needs for unmanned aerial defe

Location: London, Warwick, Manchester, Derby At BakerHicks, ​​​​​​​our Electrical Services team works with clients across multiple sectors, delivering large and complex projects which require highly resilient power supplies. Specialising in heavily-regulated industries where quality and safety are k

Our client is looking for a Principal Engineer / Technical Executive to take full ownership of their technical ecosystem — from architecture decisions to hands-on execution across the entire stack. They operate in a high-growth tech environment, having rapidly evolved their product capabilities and