Sallmin R.

I'm a Senior Laravel Developer and Forward Deployed Engineer with 12+ years of experience building, scaling, and modernizing SaaS applications, developing complex integrations, and delivering reliable production systems. I've worked on platforms serving 200K+ users, SaaS systems supporting 180+ tenants, and projects involving 100+ third-party integrations. I'm Upwork Top Rated Plus with $100K+ earned and a Globally Certified Laravel Developer since 2019. Based in Europe. I work closely with clients and engineering teams to understand business requirements, solve technical challenges, and turn ideas into working software. Whether it's developing a new platform, improving an existing application, integrating enterprise systems, or introducing AI-powered functionality, I focus on practical solutions that deliver real business value. My recent experience includes building and maintaining large-scale Laravel applications, integrating external services, developing automated workflows, and implementing AI features such as conversation analysis, structured data extraction, and intelligent content generation. I bring the software engineering experience needed to deliver reliable systems, including scalable architecture, queues, background processing, multi-tenant data handling, API development, and automated testing. What I specialize in: - Laravel & PHP Development: Custom applications, complex business logic, REST APIs, legacy modernization, performance optimization, and ongoing development. - Forward Deployed Engineering: Working directly with clients, understanding business requirements, customizing applications, integrating systems, troubleshooting production issues, and delivering solutions from development to deployment. - SaaS Development: Multi-tenant applications, subscription systems, dashboards, permissions, and scalable architecture. - Full-Stack Development: Laravel, Vue.js, Nuxt, Inertia.js, Livewire, Filament, JavaScript, and TypeScript. - API & Third-Party Integrations: Payment gateways, CRMs, ERP systems, eCommerce platforms, OAuth, webhooks, and data synchronization. - Backend Architecture & Performance: MySQL, Redis, Amazon SQS, queues, caching, database optimization, and long-running background jobs. - AI Integrations & Automation: LLM APIs, AI agents, tool calling, conversation analysis, structured data extraction, content generation, and automated business workflows. Experience & achievements: - 12+ years of professional software engineering experience - Globally Certified Laravel Developer since 2019 - Upwork Top Rated Plus with $100K+ earned - 100+ projects delivered - Experience with platforms supporting 180+ tenants and 200K+ users - 100+ third-party integrations - Production experience with SaaS platforms, enterprise integrations, and AI-powered workflows - Experience as a Technical Lead and Senior Software Engineer - Experience working directly with international clients and distributed teams My technology stack: PHP, Laravel, MySQL, Redis, Vue.js, Nuxt.js, JavaScript, TypeScript, Inertia.js, Livewire, Filament, Tailwind CSS, Docker, Meilisearch, PHPUnit, Pest, Git, AWS, Amazon SQS, and Laravel Forge. Integrations & AI: Stripe, HubSpot, Microsoft Dynamics 365 Business Central, Google Drive, OpenAI, Anthropic, OpenRouter, LLM APIs, and external REST APIs. How I work: I'm comfortable taking ownership of an existing Laravel application, solving production issues, modernizing legacy systems, architecting a new SaaS platform, or integrating new functionality into an established product. As a Forward Deployed Engineer, I bridge the gap between business needs and technical implementation. I can work directly with stakeholders, understand unfamiliar codebases, identify the right technical approach, and take responsibility for delivering solutions that work in production. I prioritize clean, maintainable code, practical architecture, reliable delivery, and clear communication. I use modern development tools, including AI-assisted coding tools, to improve productivity while personally reviewing and testing the code I ship. If you need an experienced engineer to build your product, improve an existing platform, connect your systems, or solve complex technical challenges, I'd be happy to discuss your project.