Ethos is hiring a Staff Engineer

Staff Engineer London - Remote in the UK About the Position As a Senior Full-Stack Engineer, you'll pioneer the development of advanced AI-powered products within marketing and advertising technologies. Leveraging your expertise in system architecture and comprehensive web application development, you'll be instrumental in designing, implementing, and refining our range of intelligent solutions. You'll hold direct accountability for substantial web application components, collaborating intimately with interdisciplinary teams, including AI specialists, product strategists, and design professionals, to deliver robust and groundbreaking solutions driving tangible business results. This role offers an exciting opportunity to shape the future of AI-driven technologies and make meaningful contributions to practical, real-world applications. The position is connected to our London office, with flexibility for hybrid or remote work across Europe. What You'll Be Doing - Spearhead architectural design and implementation of scalable, secure web applications - Validate technical feasibility of UI/UX designs and optimize applications for maximum performance and scalability - Perform rigorous code reviews and enforce adherence to industry best practices and coding standards - Engage closely with cross-functional teams to conceptualize innovative solutions, provide mentorship to junior team members, and foster a collaborative, innovative culture - Remain at the forefront of emerging technologies, continuously evaluating potential business impacts Qualifications - 5+ years of comprehensive full-stack web development experience - Demonstrated proficiency with Typescript, React, and full-stack application development - Deep understanding of the latest React ecosystem advancements - Extensive expertise in system design and data modeling - Exceptional analytical and problem-solving capabilities - Superior communication skills, with ability to articulate complex technical concepts to non-technical stakeholders - Proven leadership experience, capable of guiding and inspiring team members What We Offer - Dynamic role at the cutting edge of AI marketing technology with significant personal and professional growth opportunities - Unique opportunity to join a pioneering startup at the center of AI innovation - Challenge complex problems while disrupting the $300BN legacy martech industry - Join an experienced team with immediate ownership and impact potential - Competitive compensation package commensurate with experience and company stage - Substantial equity allocation appropriate for company stage - Comprehensive medical, dental, and vision benefits - Flexible PTO and remote work arrangements About Bluefish Bluefish believes AI represents the next transformative chapter of the internet, where consumers will increasingly utilize AI to consume online information and media. In this emerging AI-driven landscape, brands will require innovative tools and technologies to communicate with consumers, creating an entirely new marketing ecosystem. Bluefish is constructing the platform enabling brands to effectively engage consumers through this emerging AI channel. The Bluefish team comprises martech industry veterans who previously developed foundational ad-tech platforms now owned by industry giants like Meta and Microsoft. The company enjoys backing from leading AI and data-focused investors, including Crane Ventures, Swift Ventures, BloombergBeta, Firebolt Ventures, and Laconia Capital. We are a globally distributed team, with business operations centered in New York City and engineering based in Europe.