{"id":3954109,"url":"https://alion.io/job/transunion-senior-php-developer-3","title":"Senior PHP Developer","company":{"id":3960,"name":"TransUnion","domain":"transunion.com","url":"https://alion.io/company/transunion","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":82,"open_postings":32,"ghost_share":0.031,"stale_share":0.625,"repost_share":0.063,"time_to_fill_p50_days":25,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Chennai, 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business and functional requirements into technical solutions.\nDevelop and integrate RESTful APIs and third-party services.\nDesign and optimize database structures, queries, and data access layers.\nTroubleshoot, debug, and resolve application defects and production issues.\nEnsure applications meet performance, scalability, security, and reliability requirements.\nConduct code reviews and enforce coding standards and best practices.\nMentor and support junior and mid-level developers through technical guidance and knowledge sharing.\nCollaborate with Product Managers, Business Analysts, QA Engineers, and other stakeholders throughout the development lifecycle.\n\nRequired Knowledge And Experiences:\n5+ years of professional PHP development experience\nStrong expertise in Laravel or modern PHP frameworks\nDeep understanding of OOP, SOLID principles, and MVC architecture\nAdvanced experience with MySQL (query optimization, indexing, schema design)\nStrong experience designing and 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