[Remote] Backend Systems Engineer / Redis Caching Expert

Note: The job is a remote job and is open to candidates in USA. Arc is sourcing candidates for a client opportunity focused on evaluating real-world backend system behaviour and helping improve next-generation AI systems through practical engineering expertise. The role involves evaluating cache responses, analyzing runtime signals, and applying engineering judgement to enhance backend architecture and caching decisions.ResponsibilitiesEvaluating candidate cache responses against incoming requestsAnalyzing runtime signals, similarity scores, TTL configurations, and state indicatorsAssessing cache reuse safety and identifying potential side-effect risksApplying engineering judgement to real-world backend scenariosClassifying outcomes based on system behaviour and operational riskProviding confidence ratings and structured technical reasoningHelping improve how advanced AI systems reason about backend architecture and caching decisionsSkillsProfessional experience as a Backend Engineer, Systems Engineer, SRE, Data Engineer, or Backend ArchitectHands-on experience with Redis and caching technologiesStrong understanding of TTLs, cache invalidation, data consistency, and state managementExperience working with production APIs and distributed systemsExcellent written communication skills and attention to detailAbility to evaluate technical scenarios and explain engineering decisions clearlyCompany OverviewArc is a modern technical opportunities network built for software engineers, AI builders, infrastructure specialists, SRE/DevOps engineers, MLOps talent, data professionals, mobile developers, game developers, and niche technical specialists. It was founded in undefined, and is headquartered in London, GB, with a workforce of 0-1 employees. Its website is .