08/22/2025 updated

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Senior Software Engineer with expertise in PHP, Golang and Cloud Technologies

Iasi, Romania Master's Degree in Computer Science and Computer Facilities
Iasi, Romania Master's Degree in Computer Science and Computer Facilities

Profile attachments

Marian S(1).pdf

PHP (Programming Language)Application Programming Interfaces (APIs)Amazon Web ServicesCloud ComputingCode CoverageContinuous IntegrationSoftware Design PatternsDevOpsDistributed SystemsFault ToleranceFinancial SystemsHealth CareLaravelPostgreSQLMongoDBMySQLNoSQLQuality ManagementQueueing SystemsSQL DatabasesData StreamingSymfonyTesting StrategiesZend FrameworkTestingPhpunitBackendContainerizationReal Time DataApache KafkaGraphqlApi DesignApi GatewayRestful ApiAmazon Simple Queue Service (SQS)Serverless ComputingDatabase AdministrationDockerGolangMicroservices
Backend Development with PHP
Extensive experience with PHP ecosystem including Laravel, Symfony, Zend/Expressive frameworks, building scalable applications with focus on performance and maintainability.

Golang Development
Strong proficiency in Golang for building high-performance, fault-tolerant microservices and serverless applications, particularly for healthcare and financial systems.

Cloud & DevOps
Implementation of AWS serverless architecture, CI/CD pipelines, Docker containerization, and microservices design patterns for highly-available distributed systems.

Database Management
Expertise across SQL and NoSQL databases including MySQL, PostgreSQL, MongoDB, and Firestore with optimization capabilities improving performance up to 300%.

Message Queuing & Streaming
Implementation of distributed messaging architectures using Kafka, SQS for inter-service communication and real-time data processing.

API Development
Design and implementation of RESTful services, GraphQL APIs, and API Gateways for seamless integration between microservices and external providers.

Testing & Quality Assurance
Application of comprehensive testing strategies with PHPUnit achieving up to 90% code coverage across microservices.
 

Languages

EnglishGoodRomanianFluentRussianNative speaker

Project history

Senior Software Engineer

XSoft
Developing a highly-available, fault-tolerant Electronic Medical Records web application using AWS serverless architecture and Golang. Implemented FHIR healthcare data standards, enhanced observability, built messaging microservices, and optimized database performance.

Senior Backend Developer

KIVORK
Built a resilient financial trading platform with real-time transaction processing and advanced compliance features. Developed microservices architecture in Golang with robust failover mechanisms, enhanced AML/fraud detection algorithms, and implemented outage management functionality.

Full-Stack Developer

BREAK. Media Solutions
Developed e-commerce solution using PHP 7.4 with various frameworks and technologies including MySQL, MongoDB, Firebase, Docker, GraphQL, and JavaScript frameworks. Implemented API Gateway and migrated legacy PHP systems.

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