Laurentiu – PHP, Laravel, AWS
Laurentiu is a senior back-end engineer with 11 years of commercial experience specializing in PHP and Laravel. He has led legacy modernization, AWS-backed multi-tenant architectures, and real-time integrations, demonstrating strong ownership and practical problem-solving. His expertise includes MySQL, REST APIs, Redis, and Node.js integration. He is comfortable mentoring, collaborating directly with clients, and working autonomously on complex back-end systems.
11 years of commercial experience in
Main technologies
Additional skills
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Let’s get started today!Experience Highlights
Senior Full-stack Developer
It's a wealth management platform where clients open and manage investment accounts online in EUR or USD, build diversified portfolios, and track performance in real time via a linked prepaid card and dashboard.
- Migrated a large legacy PHP monolith to Laravel as part of a 2-person team, converting pages and modules incrementally while keeping the application live in production.
- Tackled zero test coverage, severe performance bottlenecks, and tightly coupled services with no clear boundaries.
- Rewrote critical sections from scratch where refactoring was not viable.
- Built and optimized API endpoints, backend services, and database queries throughout the migration.
Senior Full-stack Developer
It's a multimodal travel platform, alongside a back-end service that aggregates real-time data from multiple travel suppliers' APIs, including hotels, tour packages, and cruises.
- Built a back-end service integrating multiple third-party supplier APIs across hotels, tour packages, and cruises into a unified data layer.
- Normalized inconsistent data formats and response structures from different suppliers into a single internal model.
- Exposed aggregated supplier data to an internal trip-builder platform, enabling end-to-end vacation planning in one flow.
- Handled ongoing maintenance and bug fixing on the existing multi-modal travel platform from the earlier project phase.
- Delivered incremental feature improvements alongside maintenance work.
Senior Back-end Developer
It's a healthtech platform that digitizes paperwork for health equipment testing.
- Became the first developer hired on a US healthtech platform digitalizing paperwork for health-equipment testing.
- Designed and built a multi-tenant database provisioning system on AWS RDS, giving each customer an isolated database.
- Automated infrastructure scaling with scripts to provision new machines when a tier hit capacity.
- Built cleanup scripts to terminate empty machines after deletions and migrations to control costs.
- Built a tier-migration pipeline with backup, insert, integrity check, and source deletion steps.
- Solved credential management with AWS KMS, encrypting credentials at rest and decrypting only at point of use.
Freelance Developer
Various small web development projects for clients.
- Delivered small to mid-sized web development projects for diverse clients.
- Maintained and improved existing codebases.
- Identified and fixed bugs across front-end and back-end systems.
- Optimized application performance, including slow scripts and inefficient logic.
- Improved database query performance to reduce response times and enhance user experience.
- Diagnosed and resolved production issues in live environments.
- Collaborated with clients to understand requirements and prioritize fixes and improvements.
Senior Full-stack Developer
It's a fleet and travel management platform serving internal operations teams and end customers who book trips.
- Extended a fleet management platform into a multi-modal transport system, adding support for flights alongside existing bus/fleet operations.
- Mentored junior developers through code reviews and technical guidance on day-to-day feature work.
- Worked on technical SEO improvements across the platform to increase organic visibility and search rankings.
- Contributed to back-end feature development supporting the platform's expansion into new transport types.
Full-stack Developer
It's a web development agency delivering custom projects for clients across different industries.
- Built web applications, CMS-based projects, and hybrid mobile apps, including a 3D house design viewer.
- Created automation test cases and testing infrastructure.