Overviewjob title: senior java lead – retail (pos exposure)location: mx/br (remote)type: full time / contractexperience: 12+ yearsrole summarywe are looking for a senior java lead with strong hands on backend development and technical ownership experience.this role requires deep expertise in java, spring boot, microservices, and distributed systems.retail domain experience is mandatory and pos exposure is important but secondary—this is a development lead role, not a support heavy position.responsibilitiesdesign, develop, and own backend services using java, spring boot, microserviceslead hands on coding, debugging, and code reviewstroubleshoot complex production issues with deep technical analysismake and own technical and architectural decisionsimplement resilient systems (circuit breakers, retries, fault tolerance)work with kafka or similar messaging systemssupport jdk and framework upgradesbuild and maintain rest apis and integrationsprovide l3 production support with focus on permanent fixes, not just triagecollaborate in an agile environment with onshore/offshore teamsuse monitoring tools like splunk and grafana for diagnosticsmust have skillsprimary (java – mandatory)12+ years of hands on java backend developmentstrong expertise in spring, spring boot, microservicesproven debugging and root cause analysis skillsexperience with kafka / event driven systemsstrong understanding of system design and architecturesecondary (retail / pos – preferred)experience supporting retail systems with pos exposurepos platforms: xstore, orpos, jmc (nice to have)understanding of store vs central system architecture#j-*-ljbffr