Tech Lead/CTO/Head of Tech, South East London

4 days ago Be among the first 25 applicants ivee is exclusively for people returning to work after a career break in the UK Please do not apply if you are outside the UK Have you taken a career break and looking to return to work? Are you struggling to find flexible jobs that fit around your family life/ caregiving?At ivee, we’re on a mission to help every person return to meaningful, flexible work after a career break. Our community provides upskilling, mentoring and access to job opportunities with vetted flexible employers, so that you don't have to settle for less. Press apply to express your interest in ivee andapply for one of our client roles on our platform:Join Circler as Founding Tech Lead Circler is reinventing the way the world shops secondhand. With resale growing 5x faster than new fashion and sustainability top of mind, Circler is addressing the effort and risk gaps that stop 60% of people from buying preloved. Using proprietary data and AI/ML matching, we make shopping secondhand seamless.As a Founding Full Stack Developer, you will work alongside the CEO and cross-functional team to define and implement the technology vision and strategy. You'll own full-stack delivery, combining powerful backend data handling with beautiful customer experiences. This is a hands-on role with a path to Head of Tech and meaningful equity.Key Responsibilities: Drive data-led innovation with AI/ML, including recommendation systems and personalization features Collaborate with business leaders, non-tech stakeholders, and investors to align tech direction with company strategy Balance hands-on coding with technical leadership and mentoringOwn customer experience across web, mobile and backend integrations Who You Are: Strong back-end focus with full-stack engineering experience Strategic thinker with commercial acumen and startup grit Data-obsessed with proven experience in AI/ML or strong interest in applied machine learning Confident communicator and collaborator across technical and non-technical teamsPragmatic in build vs. buy decisions Passionate about sustainability, marketplaces, and doing meaningful work AWS and GCP (BigQuery, Looker) Data science and ML experience a plus Bonus if you have: Experience with marketplaces, ecommerce, or apparel Experience building matching engines or recommendation systemsCS or Mathematics degree Why Join Circler: Fast-growing, revenue-generating, grant-backed startup Google for Startups program&Walpole Brand of Tomorrow Mentorship from world-class advisors including former IBM Watson CTO Real equity and influence as a founding team member Please press apply to access the full job description and apply for this role. Seniority level Seniority level Mid-Senior level Employment type Employment type Full-timeJob function Industries Technology, Information and Internet Referrals increase your chances of interviewing at ivee | The return-to-work platform by 2x Get notified about new Chief Technology Officer jobs in London Area, United Kingdom . London, England, United Kingdom 2 hours ago London, England, United Kingdom 1 month agoSenior Vice President - Sales - Hi-Tech&Professional Services London, England, United Kingdom 2 weeks ago Senior Vice President of Sales - Travel Vertical London, England, United Kingdom 1 week ago CTO - Ai Consumer Platform - Scale Up - Backed by tier 1 VCs. London Area, United Kingdom $250,000.00-$300,000.00 1 week ago London, England, United Kingdom 4 days agoLondon, England, United Kingdom 3 months ago Client CTO - Field and Frontline services Innovation London, England, United Kingdom 3 weeks ago London, England, United Kingdom 1 month ago Chief Information Security Officer (CISO) London, England, United Kingdom 2 months ago London, England, United Kingdom 1 month agoLondon, England, United Kingdom 5 days ago London, England, United Kingdom 4 weeks ago London, England, United Kingdom 5 days ago Greater London, England, United Kingdom 4 days ago Greater London, England, United Kingdom 4 days ago Sr Director, CIO Government Analyst, Remote EMEA London, England, United Kingdom 2 weeks agoGreater London, England, United Kingdom 1 month ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr