Tuyển dụng lập trình viên IT Onsite, Remote tại Hà Nội

We are seeking a senior Solution Architect to lead the assessment, architecture, planning, and technical governance of a business-critical legacy-platform modernization program. The platform is primarily built on C, legacy Red Hat Enterprise Linux, and Oracle. The program includes operating-system modernization, compatibility remediation, stronger testing and deployment practices, and migration to AWS. The initial assignment is a 1-2 month technical valuation of the existing proposal. Subject to approval, the engagement may continue through the implementation phase for 1-2 years.Key ResponsibilitiesReceive 100% salary from the onboarding date.Participate in company activities: Teambuilding, travel, vacation and other activities.• • Work with large and advanced systems, have the opportunity to develop comprehensive technology skills with complex problems, requiring high accuracy.Review the modernization proposal, current architecture, assumptions, dependencies, risks, and exclusionsAssess the C application estate, Linux environment, system libraries, build processes, Oracle dependencies, integrations, transaction processing, nightly jobs, and deployment modelDefine and validate the RHEL 4 to AlmaLinux 9 modernization approachIdentify code, compiler, package, library, runtime, database, and operating-system compatibility issuesDefine the target architecture and phased modernization roadmapLead AWS migration architecture and planning, including infrastructure, networking, security, identity, availability, observability, backup, disaster recovery, deployment, cutover, and rollbackDefine development, testing, regression, performance, security, and production-validation strategiesIdentify practical AI assistance for source analysis, compatibility scanning, remediation, documentation, and testing, and separate validated efficiencies from assumptionsDefine workstreams, resource needs, sequencing, customer responsibilities, dependencies, and risksProvide technical inputs for the revised effort estimate, delivery timeline, staffing plan, and commercial proposalLead technical workshops and communicate recommendations to engineering, delivery, commercial, and executive stakeholdersProvide architecture governance during implementation if the program proceeds