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SUMMARY OF EXPERIENCE/OVERVIEW Performance-driven IT professional with 15 years of experience developing, testing, and optimizing financial, EdTech, Web, telecom, and blockchain solutions. Expert in Rust and Java, with a focus on performance engineering, system integration, and test automation. Proven ability to identify bottlenecks, optimize database operations and deliver scalable microservices. Experienced in distributed team collaboration and asynchronous communication.

Key skills

• Programming Languages: Rust, Java, JavaScript, Python, Go, Scala, C#
• Frameworks & Libraries: Axum, Spring, Hibernate, Serde, SQLx, Gatling
• Test Automation: Selenium, Cucumber, TestNG, Selenoid, Browserstack, Hamcrest, Awaitility
• Databases & Queuing: Turso, PostgreSQL, MongoDB, MySQL, Oracle, MS SQL, IBM DB2, Kafka, RabbitMQ, ActiveMQ
• Tools & Platforms: Docker, Kubernetes, Git, Maven, Gradle, Postman, Allure TestOps, JIRA, BrowserStack, Chrome DevTools
• Testing: Performance testing, E2E testing, API testing, functional testing, test automation
• Other: Shell scripting, RegEx, XPath, *NIX tools, system integration, performance analysis

EMPLOYMENT HISTORY

Supertext Performance Engineer | Apr 2025 – Aug 2025 (Contract)

• Identified and resolved backend performance bottlenecks for a high-traffic Messenger platform (1M+ daily active users)
• Developed API and E2E performance test suites using Java and Gatling, helping improve system performance by up to 600%
• Technologies: Java 22, Gatling, Gradle, Git

Ops8 Rust Developer | Jan 2025 – May 2025 (Contract)

• Built REST APIs for a legal case and job management system using Rust and Axum, enhancing system scalability
• Optimized database queries and transactions, reducing response times by 30%
• Refactored legacy code and fixed bugs to improve performance and maintainability
• Technologies: Rust, Axum, Turso, SQL, Git

Rust Bootcamp Rust Developer Intern | Aug 2024 – Dec 2024

• Developed microservices and CLI applications using Rust, mastering async/await and best practices
• Solved algorithmic challenges and contributed to real-world projects, improving coding efficiency
• Technologies: Rust, Cargo, async/await, Axum, Serde, sqlx, Prisma

Ultra Corporation Performance Engineer / Senior QA Automation | Apr 2022 – Aug 2024 (Contract)

• Designed and executed API and E2E performance test suites using Java and Gatling, ensuring robust releases
• Conducted QA for Ultra NFT Marketplace and Game Store, validating functionality and performance
• Technologies: Java 22, Gatling, Allure TestOps, Postman, MongoDB, Kafka, TypeScript, Kubernetes, Gradle, Git

Pentalog CHI Senior QA Automation Engineer/ TestOps | May 2017 – Apr 2022

• Developed and maintained automated test frameworks for functional/integration/component testing
• Performed manual and automated testing for microservices, web, and mobile applications
• Deployed test management infrastructure using Docker
• Technologies: Java, Spring Boot, Cucumber, Selenium, Selenoid, Browserstack, Html Elements/Atlas, Allure Reports, Hamcrest, Awaitility, Gatling, Docker, Docker Compose, Kafka, PostgreSQL, Python, Go, Scala, Shell, Gradle, Git

Software Engineer | May 2016 – May 2017

• Built REST microservices using Java, Spring, and Hibernate, enhancing system modularity
• Refactored legacy Java 6 services into microservices, improving performance and scalability
• Wrote unit and integration tests using TestNG, ensuring high code quality
• Technologies: Java, Spring, Hibernate, QueryDSL, PostgreSQL, TestNG, JAX-RS, JWT

SkillUp SRL QA Trainer | Mar 2019 – May 2020 (Part-time)

• Delivered training on QA, HTML, SQL, and REST, mentoring 120+ students
• Promoted SkillUp services to attract new learners, increasing enrollment by 30%

Allied Testing QA Automation Engineer | Aug 2013 – May 2016

• Developed custom heterogeneous test automation framework, providing end-to-end test coverage for complex backoffice trading systems of major stock exchange vendor
• Optimized SQL queries for test scenarios, reducing execution time by 100-300x through indexing and query restructuring
• Technologies: Java 8, Selenium, TestNG, Apache POI, SQL

Computaris Software Engineer | Jan 2011 – Aug 2013

• Developed a Diameter-to-SOAP translator for GSM networks, ensuring seamless integration
• Created test plans and supported UAT for web-based GSM network admin interfaces
• Monitored and maintained high-traffic distributed applications, minimizing downtime
• Performed deployment and integration of GSM Network Billing platform
• Supported company’s IT infrastructure
• Technologies: Java 6, Vaadin, Apache Axis, SQL

Cedacri International Junior Software Engineer | Jul 2010 – Dec 2010

• Developed and localized desktop applications using Java, Spring and Hibernate
• Performed bug fixing and QA, ensuring high-quality deliverables
• Technologies: Java, Spring, Maven, Hibernate

Allied Testing QA Engineer | May 2009 – Oct 2009

• Created and executed test plans for CRM systems (Siebel, Salesforce), ensuring defect-free releases
• Supported customers during acceptance testing, improving client satisfaction
• Technologies: Siebel CRM, Salesforce

EDUCATION

• MSc, Computer Science | Moldova State University | 2010 – 2012
• BSc, Computer Science | Moldova State University | 2007 – 2010

LANGUAGES

• English (C1)
• Russian (Native)
• Romanian (C1)

HOBBIES

• 3D Printing
• Running
• Photography
• Open-source contributions
• Formula 1
• Tech News