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Senior Backend Developer | Team Lead

Profile

Senior Backend Developer with over 15 years of experience designing, building, and scaling complex web applications across diverse industries including aviation, telecommunications, e-commerce, social networking, media, and fintech. Strong expertise in PHP (Laravel, Symfony), PostgreSQL/MySQL, and Linux systems.

Proven track record of:

• Solving complex technical challenges and ensuring system stability under heavy load.
• Leading and mentoring development teams, from architecture planning to delivery.
• Communicating effectively with clients and stakeholders to transform requirements into scalable solutions.
• Managing product lifecycles, planning resources, and ensuring on-time delivery within budget.

Combining hands-on technical expertise with leadership experience, I focus on delivering secure, performant, and user-friendly products.

Core Competencies

• Technical: Backend Development, System Architecture, API Design, Database Optimization, Cloud & Containerization, High-Load Systems
• Leadership & Management: Team Leadership, Resource Planning, Agile/Scrum, Task Distribution, Mentorship, Client Communication
• Problem Solving: Requirement Analysis, Debugging, Performance Tuning, Risk Mitigation, Scalability & Reliability Improvements
• Business Impact: Product Development, Cost & Time Estimation, Cross-department Collaboration, Technical Consulting

Professional Experience

SmartData Solutions – Team Lead / Senior Backend Developer March 2014 – Present | 11+ years

Led backend development for multiple high-traffic and specialized platforms:

• Kraftera.com – social networking platform with rich media features.
• Xmtrade.ca – automotive marketplace with secure listings and payment integration.
• Fantasy-polo.com – online fantasy sports game with real-time updates.
• Airmoldova.md – national airline website with booking, ticketing, and integrations.
• HeliPaddy.com – platform for helicopter pilots providing landing spot guides, navigation info, and operational resources. Designed backend systems for data management, geolocation services, and secure user access.
• Healo.app / Empowered Health – health recovery platform including patient/doctor communications, diagnosis/prescription algorithms, and secure data handling. Built backend APIs, handled authentication, and implemented system logic for prescription workflows.
• TherapyAssist.com – platform for assigning and delivering client homework, managing a large resource library of evidence-based therapy tools. Built backend APIs, managed content delivery, authentication, and secure data handling for over 2,500 resources including exercises, worksheets, meditations, and self-report measures.
• Telecommunications-related platforms – billing, user management, and integration systems.

Designed scalable backend architecture ensuring performance and security. Coordinated a cross-functional team, assigning tasks, reviewing code, and ensuring delivery deadlines. Worked closely with stakeholders and clients to refine product requirements. Improved system monitoring, logging, and deployment workflows, reducing downtime. Ensured platform scalability, performance, and reliability for concurrent A/B tests. Designed architecture to keep the system fast, simple, and efficient, focusing on lean, maintainable solutions. Collaborated with product owners to align technical execution with business goals. Mentored junior developers, optimized workflows, and introduced best practices in Laravel/PHP development.

Built and maintained backend services for A/B testing experiments, including landing pages, lead forms, funnels, UI components, and page redesigns.

Puffin.io – Senior PHP Developer & Team Leader 2018 – 2022 | 4 years

Donationto.com – Backend Developer / Technical Lead January 2010 – 2018 | 8 years

Responsible for all technical aspects of the online fundraising platform. Designed platform architecture from scratch, supporting secure payments and high user traffic. Integrated with third-party services (payment gateways, messaging systems). Managed long-term system maintenance, feature development, and infrastructure scaling. Provided technical consulting and direction to non-technical stakeholders.

Vector Soft – Team Lead / Developer October 2010 – September 2013 | 3 years

Built web.tv, a large video portal, from the ground up. Designed database schema, backend services, and video streaming modules. Collaborated with front-end teams to deliver a seamless user experience. Mentored junior developers and introduced best practices (Git workflow, coding standards).

Neogen – Developer / Team Lead 2005 – November 2010 | 5 years

Developed and maintained multiple social networking platforms serving large audiences. Promoted to Team Lead, responsible for guiding developers and managing project timelines. Ensured high system availability and performance optimization. Introduced scalable solutions for messaging, user content, and media storage.

PH-PROM SRL – Programmer February 2010 – September 2010 | 8 months

Delivered custom software projects with focus on backend logic and database optimization. Collaborated with clients to gather requirements and ensure successful delivery.

Education

Universitatea de Stat din Moldova – Bachelor’s in Informatics, 2001 – 2005

Technical Skills

• Programming & Frameworks: PHP 8, Laravel, Symfony (past project experience; strong Laravel background enables fast mastery), Lumen, JavaScript, jQuery, HTML5, CSS, AJAX
• Databases & Search: PostgreSQL, MySQL, Redis, Memcached, Sphinx
• Architecture & Tools: Docker, Nginx, Apache, Git, Subversion, CVS, Bash, UML, LAMP
• Concepts & Practices: OOP, MVC, Design Patterns, REST/SOAP APIs, Web Services, Sockets
• Integrations & Modern Tech: Stripe, Firebase Cloud Messaging, Payment Gateways, AI integrations using Lovable.dev, building products with ChatGPT APIs
• Other: Performance Tuning, Scalability, Deployment Automation

Languages

• English – Professional Working Proficiency
• Russian – Full Professional Proficiency
• Italian – Elementary
• Romanian – Native