Definition: the highest level of certification and expertise in the pega ecosystem.•role: senior technical leader responsible for overall architecture, design decisions, and best practices across large-scale pega applications.•responsibilities:odefine and govern the application architectureolead technical teams and mentor other developersoensure adherence to pega guardrails and performance standardsoparticipate in decision-making around integrations, data, and system scalability••certification: pega certified lead system architect (pclsa) psa – pega system architect•definition: entry- to mid-level practitioner skilled in configuring applications using pega's low-code tools.•role: core application builder working on workflows, user interfaces, and business rules.•responsibilities:odevelop and configure business processes and rulesobuild case types, data objects, and uisocollaborate with business and technical teams to translate requirements into solutions••certification: pega certified system architect (pcsa)often followed by pega certified senior system architect (pcssa) for more experienced developerssummaryprofilefull formlevelfocuscertificationlsalead system architectseniorarchitecture, governance, leadershippclsapsapega system architectentry/midconfiguration, case developmentpcsa (→ pcssa)