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I am a senior full-stack developer and tech lead with more than 15 years of experience building reliable, user-focused software. For the past 13 years, I have worked on Inspera Assessment, a global exam platform serving institutions across more than 180 countries and processing over 18 million exam submissions annually. My experience spans React, TypeScript, Java, Oracle, Elasticsearch, AWS, real-time systems, and complex integrations such as Zoom SDK.…I am a senior full-stack developer and tech lead with more than 15 years of experience building reliable, user-focused software. For the past 13 years, I have worked on Inspera Assessment, a global exam platform serving institutions across more than 180 countries and processing over 18 million exam submissions annually. My experience spans React, TypeScript, Java, Oracle, Elasticsearch, AWS, real-time systems, and complex integrations such as Zoom SDK.

Cătălin Groșan

Full Stack Developer, Developer, Front-End Developer, +4

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I am a senior full-stack developer and tech lead with more than 15 years of experience building reliable, user-focused software. For the past 13 years, I have worked on Inspera Assessment, a global exam platform serving institutions across more than 180 countries and processing over 18 million exam submissions annually. My experience spans React, TypeScript, Java, Oracle, Elasticsearch, AWS, real-time systems, and complex integrations such as Zoom SDK.…I am a senior full-stack developer and tech lead with more than 15 years of experience building reliable, user-focused software. For the past 13 years, I have worked on Inspera Assessment, a global exam platform serving institutions across more than 180 countries and processing over 18 million exam submissions annually. My experience spans React, TypeScript, Java, Oracle, Elasticsearch, AWS, real-time systems, and complex integrations such as Zoom SDK.

Next availability:

November 2, 2026

Timisoara, Romania

I am a senior full-stack developer and tech lead with more than 15 years of experience building reliable, user-focused software. For the past 13 years, I have worked on Inspera Assessment, a global exam platform serving institutions across more than 180 countries and processing over 18 million exam submissions annually. My experience spans React, TypeScript, Java, Oracle, Elasticsearch, AWS, real-time systems, and complex integrations such as Zoom SDK.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

French

Intermediate

Italian

Beginner

Japanese

Beginner

Work Experience

Senior Full Stack Developer / Tech Lead at Inspera

February 1, 2022 - Present

Served as tech lead on a high-traffic global exam platform used by more than 185 institutions across over 180 countries. Built a server-sent push notification system for real-time user interface updates during live exams, replacing client polling and improving reliability under load. Designed and delivered a remote proctoring module using the Zoom SDK, now supporting live IELTS exams globally. Worked closely with product managers and UX designers from specification through delivery.

Senior Full Stack Developer / Team Lead at Exswap

November 1, 2012 - January 1, 2022

Led a team of 9 software engineers and 3 QA engineers delivering Inspera Assessment as a contracted partner. Defined technical direction, engineering standards, delivery practices, and quality expectations across a nine-year engagement. Led the frontend evolution from Backbone.js to React and helped expand the company’s mobile development capabilities by building a Windows Phone application in C#. Developed complex, performant user interface modules for exam administrators and candidates, and mentored junior developers through code reviews and pairing.

Freelance Developer at Self-Employed

September 1, 2010 - November 1, 2012

Delivered web development projects for a range of clients as an independent contractor. Developed a custom Windows Forms application in C# and designed its SQL database.