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Software Engineer with 5+ years of experience building, scaling, and leading production software across SaaS, backend systems, and developer tooling. Backend-focused across Laravel/PHP, SQL, Redis, Python/FastAPI, and Node.js, with end-to-end ownership from architecture and performance to delivery and team leadership. I’ve delivered measurable performance and scalability improvements in multi-tenant systems, led teams of engineers, and built internal tooling—most notably an agentic AI code-review platform that integrates specialist reviewers by change context to make engineering workflows more reliable and repeatable.…Software Engineer with 5+ years of experience building, scaling, and leading production software across SaaS, backend systems, and developer tooling. Backend-focused across Laravel/PHP, SQL, Redis, Python/FastAPI, and Node.js, with end-to-end ownership from architecture and performance to delivery and team leadership. I’ve delivered measurable performance and scalability improvements in multi-tenant systems, led teams of engineers, and built internal tooling—most notably an agentic AI code-review platform that integrates specialist reviewers by change context to make engineering workflows more reliable and repeatable.

Alexandru Visan

Back-End Developer, Full Stack Developer, Software Engineer, +2

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Software Engineer with 5+ years of experience building, scaling, and leading production software across SaaS, backend systems, and developer tooling. Backend-focused across Laravel/PHP, SQL, Redis, Python/FastAPI, and Node.js, with end-to-end ownership from architecture and performance to delivery and team leadership. I’ve delivered measurable performance and scalability improvements in multi-tenant systems, led teams of engineers, and built internal tooling—most notably an agentic AI code-review platform that integrates specialist reviewers by change context to make engineering workflows more reliable and repeatable.…Software Engineer with 5+ years of experience building, scaling, and leading production software across SaaS, backend systems, and developer tooling. Backend-focused across Laravel/PHP, SQL, Redis, Python/FastAPI, and Node.js, with end-to-end ownership from architecture and performance to delivery and team leadership. I’ve delivered measurable performance and scalability improvements in multi-tenant systems, led teams of engineers, and built internal tooling—most notably an agentic AI code-review platform that integrates specialist reviewers by change context to make engineering workflows more reliable and repeatable.

Next availability:

October 1, 2026

Piacenza, Italy

Software Engineer with 5+ years of experience building, scaling, and leading production software across SaaS, backend systems, and developer tooling. Backend-focused across Laravel/PHP, SQL, Redis, Python/FastAPI, and Node.js, with end-to-end ownership from architecture and performance to delivery and team leadership.

I’ve delivered measurable performance and scalability improvements in multi-tenant systems, led teams of engineers, and built internal tooling—most notably an agentic AI code-review platform that integrates specialist reviewers by change context to make engineering workflows more reliable and repeatable.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Beginner

Beginner

Beginner

Language

Romanian, Moldavian, Moldovan

Fluent

English

Advanced

Italian

Advanced

Work Experience

Senior Full-Stack Developer / Technical Lead at HRTools SRL

March 1, 2024 - Present

Led technical development and architecture of a core multi-tenant workforce time tracking product. Acted as key engineering decision-maker while leading a team of 5 developers through implementation, mentoring, and code review. Implemented a Redis caching strategy that reduced database load by ~40% and improved response times by ~80% for high-traffic workflows. Refactored Laravel data access to remove O(N) bottlenecks, cutting DB load by ~60% and enabling scaling to ~3x user base. Profiled and optimized complex queries under high concurrency, improving throughput by ~30%. Refactored legacy modules, introduced structured code review standards, and aligned roadmap decisions with business stakeholders. Built and owned an internal agentic AI code-review platform (agent harness/registry/orchestration/workflow) to select specialist reviewers by change context and integrate Codex/Claude into a reliable development process.

Full-Stack Developer at Geoclever

August 1, 2023 - February 29, 2024

Built multi-database PHP data access for tenant-specific business workflows, reducing complexity around customer data separation and operations. Integrated GoCardless APIs and webhooks to automate payment-state synchronization and transactional workflows. Developed internal IMAP mail-management tooling and employee time-tracking functionality supporting administrative and payroll processes.

Full-Stack Developer at XNOOVA

October 1, 2022 - February 28, 2023

Built production features for enterprise mobility/security products across EMM/MDM/UEM and Mobile Threat Defense using Laravel, Vue.js, and MySQL. Enhanced Ermetix and integrated GPT-3 via the OpenAI API to deliver AI-powered product features.

Founder & Lead Engineer at Flexing Verse Ltd

May 1, 2021 - January 31, 2024

Founded and led engineering for a software business delivering 5 production projects, owning architecture, backend/API design, databases, infrastructure, and end-to-end production delivery. Delivered high-traffic applications for international clients (cryptomonKeys, Dacoco GmbH, Nodo 42 SRL, Geoclever, Regione Puglia). Built products end-to-end using Laravel, Node.js, Vue/React, MySQL, PostgreSQL, MongoDB, Redis, Docker, and cloud infrastructure. Supervised backend architecture and deployment/scaling decisions. Built blockchain integrations and anti-bot/anti-cheat systems for gaming products including WAX smart-contract integration and Solana-based applications.