Attila Oláh
Chief Technology Officer at Spreadmonitor
Budapest, Central Hungary
Summary
🤩
Rockstar🎓
Top SchoolAttila Oláh is a pragmatic CTO and backend-focused engineer with 12 years of experience leading product and platform development from Budapest. He currently steers technical strategy at Spreadmonitor while retaining hands-on engineering skills demonstrated by meaningful contributions to prominent TypeScript open-source projects like class-validator, class-transformer, routing-controllers and typedi. His work shows a practical attention to correctness and developer ergonomics—fixing tricky validation and serialization bugs, improving test infrastructure, and hardening middleware/authorization paths. Comfortable across stacks from C# enterprise tooling to modern TypeScript backends and real-time APIs, he blends leadership with day-to-day problem solving. Colleagues describe him as someone who looks into problems to find solutions (and vice versa), bringing a thoughtful, quality-first approach to shipping reliable systems.
12 years of coding experience
5 years of employment as a software developer
Bachelor’s Degree Computer Science & Engineering, Bachelor’s Degree Computer Science & Engineering at Óbuda University
English, Hungarian
Stackoverflow
8,787reputation
1.2mreached
30answers
54questions
safari
top-1%
typescript
top-5%
jquery-mobile
top-1%
async-await
top-1%
jquery
top-5%
asynchronous
top-1%
Github Skills (45)
asynchronous10
koajs10
authorizations10
javascript10
middleware10
expressjs10
controller10
validations10
routers10
validators10
jquery-mobile10
testing10
jes10
safari10
router10
Programming languages (14)
Github contributions (5)
typestack/class-transformer
Dec 2017 - Nov 2021
Decorator-based transformation, serialization, and deserialization between objects and classes.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 releases, 12 reviews, 133 commits in 3 years 11 months
Contributions summary:Attila primarily contributed to the `typestack/class-transformer` repository by adding tests and fixing issues related to object transformation and serialization/deserialization. They added tests for handling unknown properties during serialization. The user also addressed an issue related to transforming objects with null prototypes. Their work involved changes in `src/TransformOperationExecutor.ts` and test files.
transformationdeserializationserializationdecoratorexposing-properties
typestack/class-validator
Jan 2018 - Dec 2022
Decorator-based property validation for classes.
Role in this project:Back-end Developer
Back-end DeveloperContributions:9 releases, 28 reviews, 179 commits in 5 years
Contributions summary:Attila primarily focused on enhancing the `class-validator` library by fixing bugs related to date string parsing and URL validation. They made changes to the `Validator.ts` and `ValidationTypes.ts` files to improve the date string validation logic and added support for optional timezones. The user also contributed to tests, modifying existing tests and introducing new ones to cover the added functionality for validating URL and DateString. Furthermore, they integrated contributions from external pull requests.
decoratorsvalidationvalidationsdecoratorvalidator
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