Alexander

M

Backend Developer

Mansfield Oil

Aug 2024 - Current (1 year 11 months)

• Replaced Power BI with a custom report generator using SSAS (SQL Server Analysis Services), .NET 8, and Azure, optimizing performance and reducing licensing costs. • Designed and implemented a star schema database architecture to efficiently handle high-volume, multi-source data for advanced reporting. • Developed the FleetCard Portal module to manage nationwide tank inventories, tracking drivers, vehicles, companies, and gas stations across the U.S. • Ensured high availability and autoscaling for reporting services during peak usage. • Selected Impact: Accelerated report generation by ~40%, improved data fragmentation handling, and enhanced operational visibility for Mansfield's oil transportation logistics.

T

Backend Developer

Teamsport

Jun 2023 - Aug 2024 (1 year 3 months)

• Led authentication/authorization with a custom Access Control List (ACL) for granular role management. • Delivered player evaluation with automated stat collection and visual insights. • Enhanced calendar scheduling using RRule-based advanced recurrence. • Optimized user lifecycle and Role-Based Access Control (RBAC) for clubs and teams. • Selected Impact: Lowered unauthorized access incidents and improved auditability; cut support tickets related to access by ~25%.

Full Stack Developer

TechInsights

Apr 2022 - Jun 2023 (1 year 3 months)

• Built a market intelligence platform using Spring Boot, Python, Node.js, Angular, and AWS. • Migrated legacy apps to a modern Angular stack with a shared component library. • Implemented newsletter automation, report viewers, and survey integrations. • Tuned ElasticSearch indexing and queries for faster retrieval. • Selected Impact: Reduced search latency by ~60% and improved session engagement.

T

Full Stack Developer

Teamsport

Mar 2021 - Apr 2022 (1 year 2 months)

• Developed club, player, and event management platform using Spring Boot and JavaScript. • Integrated Google Calendar API and Stripe-based membership payments. • Designed microservices architecture with Spring Cloud, AWS, and PostgreSQL. • Selected Impact: Reduced payment failures by ~35% and improved scheduling efficiency.

B

Developer Analyst

Banco Venezolano de Crédito

Feb 2020 - Jan 2021 (1 year)

• Enhanced internal banking systems using Java, Struts, Spring, and Oracle PL/SQL. • Automated digit-to-text conversion for legal documentation. • Integrated NovoPayment API for credit scoring workflows. • Selected Impact: Cut document processing time by ~50%, increasing throughput.

S

Web Developer

Stratus Global Network

Jan 2017 - Oct 2019 (2 years 10 months)

• Developed and maintained WordPress websites with custom plugins. • Integrated Google Maps API and optimized site performance.

W

Software Engineer Intern

WeGaMo

Jun 2016 - Oct 2016 (5 months)

• Built mobile game features using C++, Cocos2dx, and MySQL. • Implemented procedural level generation using a Hamilton Path algorithm.

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