Alexander Nastasin

• High-Scale Data Platform: Implemented a new FMS Tell Tale data ingestion pipeline (API & processing) enabling the processing of tens of millions of records daily to provide real-time vehicle diagnostics and operational analytics.
• Key Enterprise Integration: Spearheaded the end-to-end technical onboarding of a strategic enterprise client (one of the largest fleets in the domestic market), architecting and delivering a suite of several integrated systems for fleet management.
• Performance & Scalability: Enhanced platform stability by resolving critical production bottlenecks across authentication (SSO, JWT) and database layers.

Stack: PHP, Python, Typescript, Mysql, Redis, Docker.

• Led the technological transformation and scaling of a peer-to-peer lending platform.
• Platform Architecture & Scaling: Redesigned the core platform for horizontal scalability, implementing a robust asynchronous task system and ensuring data integrity across critical financial domains.
• DevOps & Reliability: Established full CI/CD, Infrastructure as Code, and a zero-downtime deployment culture. Built a comprehensive monitoring system (Grafana, Prometheus, Loki) for end-to-end system visibility.
• Team Leadership & Process: Reorganized the development team, introduced SCRUM, and managed hiring, fostering a high-performance engineering culture.
• Security & Business Integration: Implemented ACL for access control and secured integrations with multiple third-party financial services.
• Core Impact: Stabilized the platform, reducing bug incidence and enabling it to securely handle millions of euros in monthly transactions.

• Code quality audit and refactoring
• Automatic tests coverage
• Incident management and elimination

Stack: PHP, PostgreSQL, Mysql, Redis, Docker. Frameworks: Laravel

Responsibilities:

• Implementation of core business product - from hackathon scratch to production
• Responsibility for product full development lifecycle
• Build development team, tech-interviews, onboarding new developers
• Integrate engineering practices
• Mentoring, code reviews and coordinating teammates
• Developing solution architecture for specific business requirements
• Technical vision and expertise for a particular solutions
• Developing Backend API and integrations with other services

Achievements:

• Agile developed product what fulfil business and scalability requirements
• Team aligned to SCRUM/Kanban methodology
• Feature/unit backend tests (TDD)
• Continuous integration and delivery
• Zero downtime deployment on particular services
• Various complex integrations with key services, both internal and external
• Structured and documented API's autogenerated from code annotations
• And other engineering practises that have improved team performance

Stack: Nodejs, PHP, PostgreSQL, Redis, Docker. Frameworks: Laravel, React

Responsibilities:

• Full stack development and maintenance of P2P lending platform
• Development with strict requirements of fintech
• Team work using best practices and approaches like scrum/usual and small releases

Achievements:

• Implemented feature/unit testing and covered important application parts
• Refactored components using OOP design patterns helped to speed up development processes and increased code quality
• Developed components increased speed of data processing and business processes

Stack: PHP, MariaDB, JS, beanstalkd, Redis, Docker. Frameworks: Laravel, VueJs

Responsibilities:

• Full stack development of company's ERP system and integrations
• Integration of various external services like CargoSignal with company's ERP system
• Developing API's to bridge company ERP and bookkeeping software services
• Working with a multidisciplinary team to convert business needs into technical specifications

Achievements:

• Successful integrations like CargoSignal helped company to gain such customers like Amazon, Ikea, Expeditors
• API with reports for bookkeeping service (truck distance per day/country) helped to work legally in EU countries for company
• Developed and maintained products like Transport Management System helped to reduce costs and efficiently manage and scale business

Stack: PHP, MariaDB, JS, Docker. Frameworks: Lumen, React with Redux