Senior Java Engineer

I'm looking for an experienced Senior Java Engineer to join a global technology company developing mission-critical SaaS products. You'll become part of an international team working on the modernization of a large-scale platform, driving technical decisions and leading backend engineering initiatives. Responsibilities : Design and delivery of core backend services and large-scale data migration initiatives; Drive architecture discussions and technical planning with client engineering teams; Design integration and synchronization solutions between legacy and modern systems; Define engineering standards and mentor other developers; Ensure high code quality through code reviews, testing, and best engineering practices; Troubleshoot production issues and lead root-cause analysis; Collaborate closely with distributed teams across the US, UK, and Brazil; Participate in Agile ceremonies and contribute to continuous improvement. Requirement : 6+ years of commercial Java development experience; Previous experience in a Technical Lead or Lead Engineer role; Strong experience building scalable backend systems and REST APIs; Experience with distributed systems, messaging, and cloud environments; Strong SQL and relational database knowledge; Experience with large-scale system integration or data migration projects; Ability to make technical decisions, mentor engineers, and lead architecture discussions; Excellent English communication skills; Experience working in Agile environments. Nice to have: Experience with AI-assisted development tools (Copilot, Claude, Cursor); Experience with SaaS or multi-tenant platforms; Experience leading enterprise-scale migration projects; Experience integrating with third-party systems. We offer*: Flexible working format - remote, office-based or flexible A competitive salary and good compensation package Personalized career growth Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more) Active tech communities with regular knowledge sharing Education reimbursement Memorable anniversary presents Corporate events and team buildings Other location-specific benefits *not applicable for freelancers