Open to opportunities

Denis Mardari

@denismardari

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Experienced Rust Developer with a strong background in QA automation.

Moldova

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What I'm looking for

I am looking for a role that fosters innovation, encourages collaboration, and offers opportunities for professional growth.

With over 15 years of experience in the IT field, I have honed my skills in developing, supporting and assuring the quality of various products, including financial, EdTech, web, telecommunications, and blockchain solutions. My proficiency in Java and current focus on Rust development allow me to tackle complex challenges and deliver high-quality results.

Throughout my career I have successfully developed REST APIs, optimized database operations and implemented performance testing frameworks. My strong communication skills and ability to work collaboratively have enabled me to lead projects and mentor junior developers. I am passionate about leveraging technology to create efficient and scalable solutions that meet business needs.

Experience

Work history, roles, and key accomplishments

Current

Rust Developer

Current

Ops8

Jan 2025 - Present (5 months)

Developed REST API for a legal case and job management system, optimizing DB operations and modifying schemas. Maintained and refactored existing code for better performance and scalability, while also fixing backend bugs.

Rust Axum Turso SQL Git REST APIs Database Optimization Backend Development Refactoring

Rust Developer Intern

Rust Bootcamp

Aug 2024 - Dec 2024 (4 months)

Gained practical experience by learning Rust best practices and developing microservice projects with async programming. Also created simple CLI applications and honed problem-solving skills through coding katas and algorithm challenges.

Rust Microservices Async Programming CLI Axum Prisma Sqlx

Performance Engineer/ Senior QA Automation

Ultra Corporation

Apr 2022 - Aug 2024 (2 years 4 months)

Developed comprehensive API and E2E Performance test suites utilizing Java and Gatling Framework. Ensured functional and performance release validation, providing QA assurance for Ultra NFT Marketplace and Ultra Game Store.

Java Gatling Performance Testing API Testing E2E Testing Frameworks QA Automation MongoDB Apache Kafka REST TypeScript Kubernetes

Software Engineer

Pentalog CHI

May 2016 - Apr 2022 (5 years 11 months)

Developed REST Microservices using Java 8, Spring, Hibernate, QueryDSL, and PostgreSQL. Wrote unit and automated integration tests with TestNG, and provided support and bug fixing for legacy RESTful services.

Java Spring Framework Hibernate Microservices RESTful Services PostgreSQL Unit Testing Integration Testing ActiveMQ

Senior QA Automation Engineer/ TestOps

Pentalog CHI

May 2016 - Apr 2022 (5 years 11 months)

Developed and supported automated functional, integration, and component tests, including creating new frameworks and extending existing ones. Performed manual testing of backend and frontend products, and managed Test Management System Infrastructure deployment and maintenance.

Java Spring Boot Cucumber Selenium Testing Frameworks Manual Testing Docker RabbitMQ Apache Kafka REST PostgreSQL Python Git

QA Trainer

SkillUp SRL

Mar 2019 - May 2020 (1 year 2 months)

Delivered comprehensive Quality Assurance courses, covering fundamental concepts of HTML, SQL, and REST. Actively engaged in presenting SkillUp services to prospective students, contributing to program outreach.

Quality Assurance Training HTML SQL REST Curriculum Development Public Speaking

QA Automation Engineer

Allied Testing

Aug 2013 - May 2016 (2 years 9 months)

Developed and maintained a robust test automation framework using Java SE 6, Selenium, and TestNG. Successfully automated numerous test scenarios and optimized SQL queries to enhance testing efficiency.

Selenium TestNG Test Automation SQL Framework

Software Engineer

Computaris

Jan 2011 - Aug 2013 (2 years 7 months)

Developed and bug-fixed a Diameter-to-SOAP translator application, and created/executed test plans for GSM Network Administrator’s WEB GUI interfaces. Monitored and maintained highly loaded distributed GSM Network applications, and supported company's IT infrastructure.

Java Ant GSM Network Integration Testing Telecommunications

Junior Software Engineer

Cedacri International

Jul 2010 - Dec 2010 (5 months)

Contributed to the development, bug fixing, localization, and quality assurance of Desktop applications. Utilized Java, Spring framework, Maven, and Hibernate to deliver robust software solutions.

Java Spring Framework Maven Hibernate Quality Assurance Localization

QA Engineer

Allied Testing

May 2009 - Oct 2009 (5 months)

Created and executed detailed test plans for CRM systems customization, including Siebel CRM and Salesforce. Managed defect validation, logging, retesting, and reporting, while providing crucial support to customers during acceptance testing.

CRM Systems Salesforce Test Planning Test Execution Acceptance Testing Quality Assurance

Education

Degrees, certifications, and relevant coursework

Moldova State University

Master of Science, Computer Science

Pursued advanced studies in Computer Science, focusing on theoretical foundations and practical applications. Gained expertise in complex problem-solving and research methodologies within the field.

Moldova State University

Bachelor of Science, Computer Science

Completed undergraduate studies in Computer Science, building a strong foundation in programming, data structures, and algorithms. Developed core competencies essential for a career in IT.