{"schemaVersion":"jobsearcher.job.v1","id":"7baf36a0c48dbeb0b01b2e81","url":"https://jobsearcher.com/jobs/7baf36a0c48dbeb0b01b2e81","canonicalUrl":"https://jobsearcher.com/jobs/7baf36a0c48dbeb0b01b2e81","title":"Senior PHP Developer","description":"Senior PHP Developer (Dark Horse AI Platform)\nLocation: Austin, TX (Hybrid/Remote Friendly)\nTeam: Engineering\nReports to: Engineering Leadership\nAbout the Role\nGravity Lending is scaling Dark Horse, our internal AI and automation platform that powers intelligent workflows across our lending ecosystem — including our Loan Origination System (LOS), customer and lender portals, and internal operational tooling.\nWe’re looking for a Senior PHP Developer who can design and build reliable, high-performance backend services that connect data, workflows, and AI-driven capabilities — securely, efficiently, and at scale.\nThis role is ideal for an engineer who:\nCares deeply about clean architecture and performance\nEnjoys working close to the data (MySQL-heavy systems)\nIs comfortable operating in regulated, PII-sensitive environments\nWants to collaborate closely with ML engineers to bring AI features into real production systems (not demos)\nWhat You’ll Do\nBackend & API Development\nBuild and maintain Dark Horse backend services using PHP 8+, including:\nAPIs and service modules\nInternal tooling\nWorkflow orchestration services\nDesign secure, well-structured endpoints that support AI workflows:\nChat and session services\nTool/action execution\nRetrieval and orchestration requests\nData & Performance Engineering\nDesign and optimize MySQL data access patterns at scale:\nIndexing and query optimization\nSchema design\nStored procedures where appropriate\nTune performance across services using caching, background jobs, and profiling tools.\nSecurity & Compliance\nImplement secure handling of PII and sensitive financial data, including:\nEncryption and hashing strategies\nAccess control and authorization\nAudit logging and traceability\nSafe data egress patterns\nPartner with Security to ensure Dark Horse services meet SOC-minded controls and privacy-by-design principles.\nReliability & Engineering Excellence\nLead by example on:\nCode quality and reviews\nTesting strategies\nRefactoring and technical documentation\nImprove platform reliability through:\nIdempotency and retry strategies\nRate limiting and failure handling\nIncident-ready logging, metrics, and observability\nCross-Functional Collaboration\nWork closely with Product and ML engineers to translate AI capabilities into stable, production-ready features.\nIntegrate with third-party and internal services (credit, valuation, identity, LOS modules, messaging, and queues).\nRequired Qualifications\n6+ years of professional PHP development experience\nStrong command of PHP 8+, object-oriented design, and API architecture\nDeep experience with SQL/MySQL:\nSchema design\nIndexing strategies\nQuery planning and performance tuning\nExperience building secure, production-grade REST services, including:\nAuthentication and authorization\nInput validation\nRate limiting\nFamiliarity with modern engineering practices:\nCI/CD pipelines\nAutomated testing\nCode reviews\nGit-based workflows\nComfortable working in environments handling sensitive, regulated data\nNice to Have\nFinTech, lending, underwriting, or regulated-data experience\nExperience integrating AI or LLM services, or building APIs used by AI agents\nKnowledge of encryption and hashing best practices:\nSalting / peppering strategies\nKey management\nExperience with queues and workers (SQS, RabbitMQ, Redis)\nFamiliarity with SOC 2, auditability, and least-privilege system design\nTech You’ll Likely Use\nPHP 8.2+, MySQL, Redis, Docker, Linux, Nginx, queues/workers, GitHub Actions (or similar CI), observability tooling, AWS services, JSON-based APIs.\nCompensation (Austin Base Salary)\nMinimum: $105,000\nTarget: $120,000\nMaximum: $135,000\n(Final compensation based on experience and scope of responsibility.)\nPay: $105,000.00 - $135,000.00 per year\nBenefits:\n401(k)\nDental insurance\nEmployee assistance program\nEmployee discount\nFlexible spending account\nHealth insurance\nHealth savings account\nLife insurance\nPaid time off\nVision insurance\nWork Location: Hybrid remote in Austin, TX 78728","company":"Gravity Lending","rawCompany":"gravity lending","city":"Austin","state":"TX","isRemote":false,"isActive":false,"createdAt":"2026-04-14T10:56:28.085Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior PHP Developer","description":"Senior PHP Developer (Dark Horse AI Platform)\nLocation: Austin, TX (Hybrid/Remote Friendly)\nTeam: Engineering\nReports to: Engineering Leadership\nAbout the Role\nGravity Lending is scaling Dark Horse, our internal AI and automation platform that powers intelligent workflows across our lending ecosystem — including our Loan Origination System (LOS), customer and lender portals, and internal operational tooling.\nWe’re looking for a Senior PHP Developer who can design and build reliable, high-performance backend services that connect data, workflows, and AI-driven capabilities — securely, efficiently, and at scale.\nThis role is ideal for an engineer who:\nCares deeply about clean architecture and performance\nEnjoys working close to the data (MySQL-heavy systems)\nIs comfortable operating in regulated, PII-sensitive environments\nWants to collaborate closely with ML engineers to bring AI features into real production systems (not demos)\nWhat You’ll Do\nBackend & API Development\nBuild and maintain Dark Horse backend services using PHP 8+, including:\nAPIs and service modules\nInternal tooling\nWorkflow orchestration services\nDesign secure, well-structured endpoints that support AI workflows:\nChat and session services\nTool/action execution\nRetrieval and orchestration requests\nData & Performance Engineering\nDesign and optimize MySQL data access patterns at scale:\nIndexing and query optimization\nSchema design\nStored procedures where appropriate\nTune performance across services using caching, background jobs, and profiling tools.\nSecurity & Compliance\nImplement secure handling of PII and sensitive financial data, including:\nEncryption and hashing strategies\nAccess control and authorization\nAudit logging and traceability\nSafe data egress patterns\nPartner with Security to ensure Dark Horse services meet SOC-minded controls and privacy-by-design principles.\nReliability & Engineering Excellence\nLead by example on:\nCode quality and reviews\nTesting strategies\nRefactoring and technical documentation\nImprove platform reliability through:\nIdempotency and retry strategies\nRate limiting and failure handling\nIncident-ready logging, metrics, and observability\nCross-Functional Collaboration\nWork closely with Product and ML engineers to translate AI capabilities into stable, production-ready features.\nIntegrate with third-party and internal services (credit, valuation, identity, LOS modules, messaging, and queues).\nRequired Qualifications\n6+ years of professional PHP development experience\nStrong command of PHP 8+, object-oriented design, and API architecture\nDeep experience with SQL/MySQL:\nSchema design\nIndexing strategies\nQuery planning and performance tuning\nExperience building secure, production-grade REST services, including:\nAuthentication and authorization\nInput validation\nRate limiting\nFamiliarity with modern engineering practices:\nCI/CD pipelines\nAutomated testing\nCode reviews\nGit-based workflows\nComfortable working in environments handling sensitive, regulated data\nNice to Have\nFinTech, lending, underwriting, or regulated-data experience\nExperience integrating AI or LLM services, or building APIs used by AI agents\nKnowledge of encryption and hashing best practices:\nSalting / peppering strategies\nKey management\nExperience with queues and workers (SQS, RabbitMQ, Redis)\nFamiliarity with SOC 2, auditability, and least-privilege system design\nTech You’ll Likely Use\nPHP 8.2+, MySQL, Redis, Docker, Linux, Nginx, queues/workers, GitHub Actions (or similar CI), observability tooling, AWS services, JSON-based APIs.\nCompensation (Austin Base Salary)\nMinimum: $105,000\nTarget: $120,000\nMaximum: $135,000\n(Final compensation based on experience and scope of responsibility.)\nPay: $105,000.00 - $135,000.00 per year\nBenefits:\n401(k)\nDental insurance\nEmployee assistance program\nEmployee discount\nFlexible spending account\nHealth insurance\nHealth savings account\nLife insurance\nPaid time off\nVision insurance\nWork Location: Hybrid remote in Austin, TX 78728","datePosted":"2026-04-14T10:56:28.085Z","dateModified":"2026-04-14T10:56:28.085Z","hiringOrganization":{"@type":"Organization","name":"Gravity Lending","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Austin","addressRegion":"TX","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"7baf36a0c48dbeb0b01b2e81"},"url":"https://jobsearcher.com/jobs/7baf36a0c48dbeb0b01b2e81"}}