I am a senior full-stack web developer and mentor passionate about helping junior and mid-level developers grow their skills and advance to senior positions. With experience in a variety of technologies like React, Next.js, Node.js, and more, I enjoy sharing knowledge through personalized mentoring sessions tailored to each student's needs while providing them with valuable resources. Having worked on multiple projects across companies, I specialize in building performant and well-structured web applications, always maintaining a calm and problem-solving attitude even in high-pressure situations. I’m eager to continue evolving in the web development space and making an impact both as a developer and mentor.

Răzvan-Cătălin Olaru

I am a senior full-stack web developer and mentor passionate about helping junior and mid-level developers grow their skills and advance to senior positions. With experience in a variety of technologies like React, Next.js, Node.js, and more, I enjoy sharing knowledge through personalized mentoring sessions tailored to each student's needs while providing them with valuable resources. Having worked on multiple projects across companies, I specialize in building performant and well-structured web applications, always maintaining a calm and problem-solving attitude even in high-pressure situations. I’m eager to continue evolving in the web development space and making an impact both as a developer and mentor.

Available to hire

I am a senior full-stack web developer and mentor passionate about helping junior and mid-level developers grow their skills and advance to senior positions. With experience in a variety of technologies like React, Next.js, Node.js, and more, I enjoy sharing knowledge through personalized mentoring sessions tailored to each student’s needs while providing them with valuable resources.

Having worked on multiple projects across companies, I specialize in building performant and well-structured web applications, always maintaining a calm and problem-solving attitude even in high-pressure situations. I’m eager to continue evolving in the web development space and making an impact both as a developer and mentor.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Work Experience

Web development mentor at Freelancer
April 1, 2024 - Present
Mentoring junior/mid web developers to reach senior level or above by teaching them in depth concepts of HTML, CSS, JavaScript, React, Next.js, Node, Express and NestJS. Educating on algorithms, data structures, performance optimization, project structure and software architecture. Offering personalized 1-to-1 mentoring sessions tailored to students' learning needs and giving access to extensive educational resources and homework tasks for skill mastery.
Senior full-stack web developer at Freelancer
March 31, 2024 - July 26, 2025
Worked for multiple companies including Webchain, Fiserv Polska S.A., and Person Learnosity. Contributed majorly to backend design by creating Entity Relationship Diagrams and migrations with TypeORM for PostgreSQL, created project structure and API endpoints with NestJS, Apollo GraphQL, and TypeORM. Developed a Design System Library using Angular 14+, SCSS, and Storybook ensuring optimized, customizable UI components. Implemented small educational games for children using React.
Senior front-end developer at Ness Digital Engineering
February 28, 2022 - July 26, 2025
Worked on front-end projects including Pearson English Framework educational platform apps using Angular 12+ and the Universal Music Publishing Group website with Angular 7+ and NgRx. Held numerous interviews for senior positions on various projects within the company.
Senior full-stack web developer at 3Pillar Global
July 31, 2019 - July 26, 2025
Full-stack development with React, Redux, Node.js, Express, and PostgreSQL for HomeCare projects including a mobile app for caregivers, operations project for managing families and caregivers, and the public website for caregiving services. Also developed frontend for LexisNexis Entity Insight, a risk monitoring and assessment tool, using React, Redux, Chai, Mocha, and Enzyme.
Front-end web developer at Sofisto Consulting
October 31, 2015 - July 26, 2025
Developed and optimized Smart TV and Set-Top Box apps for Viewster (now Midnight Pulp) using HTML5, CSS3, and vanilla JavaScript ensuring maximum performance.
Junior front-end developer at Devops Technologies (later BlueCouch Digital)
August 31, 2013 - July 26, 2025
Worked as a junior front-end developer developing the Bombardier Recreational Products website using Backbone.js, HTML5, and CSS3.

Education

Bachelor's Degree at Polytechnic University of Timișoara (Romania), Faculty of Automation and Computer Science (Informatics)
January 1, 2011 - December 31, 2014
High School Diploma at “Ecaterina Teodoroiu” High School (Târgu-Jiu, România), Mathematics and Informatics
January 1, 2007 - December 31, 2011

Qualifications

Life and career coaching
September 28, 2020 - September 28, 2020

Industry Experience

Software & Internet, Education, Financial Services, Media & Entertainment, Professional Services