Machine Learning Engineer – Lumen Enterprise Models (SWE-focused LLMs)Cosine · EarlyLondon Office · OnsiteSalary not postedWinter 2023
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Open roles at private, early-stage companies — read straight from each startup’s own careers page and re-checked every hour.
32 open roles · 10 startups
32 roles · updated 55 min ago
Machine Learning Engineer – Lumen Enterprise Models (SWE-focused LLMs)Cosine · Early · 12 peopleLondon OfficeOnsiteSalary not postedWinter 2023Founding Healthcare LeadCosine · Early · 12 peopleLondon OfficeOnsiteSalary not postedWinter 2023Strategic Partnerships ManagerCosine · Early · 12 peopleLondon OfficeOnsiteSalary not postedWinter 2023
Product DesignerHealthtech 1 · Early · 40 peopleStratford, East LondonOnsiteSalary not postedSummer 2023ML Systems Engineer - Model Training and Infrastructure (SWE-focused LLMs)Cosine · Early · 12 peopleLondon OfficeOnsiteSalary not postedWinter 2023Technical GTM LeadCosine · Early · 12 peopleLondon OfficeOnsiteSalary not postedWinter 2023
Founding EngineerTekton Dynamics · Early · 3 peopleLondonOnsite£100k–£150k + equityWinter 2024Expression of InterestCosine · Early · 12 peopleLondon OfficeOnsiteSalary not postedWinter 2023
Product Engineer // AIClaimSorted · Early · 50 peopleLondonOnsite£80k–£150k + equitySummer 2024Infra EngineerClaimSorted · Early · 50 peopleLondonOnsite£80k–£150k + equitySummer 2024Founding Deployment StrategistClaimSorted · Early · 50 peopleLondonOnsite£80k–£140k + equitySummer 2024Founding Performance Marketer (PPC)Healthtech 1 · Early · 40 peopleStratford, East LondonHybrid£50k–£70k + equitySummer 2023
Supply Chain ManagerMytos · Series A · 26 peopleLondonOnsiteSalary not postedSummer 2018Manufacturing Lead (Hardware)Mytos · Series A · 26 peopleLondonOnsiteSalary not postedSummer 2018
Product EngineerCaribou · Early · 10 peopleLondonOnsite£80k–£100kWinter 2019
Product Operations InternFlagright · Seed · 58 peopleLondon, UKHybridSalary not postedWinter 2022Senior/ Staff Software EngineerHealthtech 1 · Early · 40 peopleStratford, East LondonOnsite£90k–£130k + equitySummer 2023R&D SpecialistCaribou · Early · 10 peopleLondonHybrid£85k–£130kWinter 2019General ApplicationTekton Dynamics · Early · 3 peopleLondonSalary not postedWinter 2024Senior AI engineerHealthtech 1 · Early · 40 peopleStratford, East LondonOnsite£90k–£130kSummer 2023Senior Transfer Pricing ManagerCaribou · Early · 10 peopleLondonOnsite£85k–£120kWinter 2019
Sr. Applied AI EngineerTaktile · Early · 150 peopleLondon Office HybridSalary not postedSummer 2020
Agent Deployment ManagerEloquent AI · Early · 5 peopleLondonRemoteSalary not postedSpring 2025Quality (QA) Lead - CDMOMytos · Series A · 26 peopleLondon and StevenageOnsiteSalary not postedSummer 2018Junior Mechanical Engineer (Summer 2026)Mytos · Series A · 26 peopleLondonOnsiteSalary not postedSummer 2018