Liam Jeon
Software Engineer at Obsidian- Claim this Profile
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Bio
Jonathan Fangon
I had the pleasure of working with Liam Jeon, a highly skilled software engineer. Liam's technical expertise and attention to detail were outstanding, and he consistently delivered high-quality code. His excellent communication skills, strategic thinking, and engineering abilities were instrumental in developing a highly scalable and efficient system. Overall, I highly recommend Liam for any software engineering role. His technical skills, collaborative abilities, and commitment to excellence make him a valuable asset to any organization. It was a pleasure working with Liam, and I would welcome the opportunity to work with him again in the future.
Josh Reed
Liam's sharp engineering mind and positive energy had a huge effect on our team's performance. He's adept at breaking down problems and making sure the whole team is on the same page as we move through solutions, and he'd consistently bring fresh ideas to our work. I can highly recommend Liam.
Jonathan Fangon
I had the pleasure of working with Liam Jeon, a highly skilled software engineer. Liam's technical expertise and attention to detail were outstanding, and he consistently delivered high-quality code. His excellent communication skills, strategic thinking, and engineering abilities were instrumental in developing a highly scalable and efficient system. Overall, I highly recommend Liam for any software engineering role. His technical skills, collaborative abilities, and commitment to excellence make him a valuable asset to any organization. It was a pleasure working with Liam, and I would welcome the opportunity to work with him again in the future.
Josh Reed
Liam's sharp engineering mind and positive energy had a huge effect on our team's performance. He's adept at breaking down problems and making sure the whole team is on the same page as we move through solutions, and he'd consistently bring fresh ideas to our work. I can highly recommend Liam.
Jonathan Fangon
I had the pleasure of working with Liam Jeon, a highly skilled software engineer. Liam's technical expertise and attention to detail were outstanding, and he consistently delivered high-quality code. His excellent communication skills, strategic thinking, and engineering abilities were instrumental in developing a highly scalable and efficient system. Overall, I highly recommend Liam for any software engineering role. His technical skills, collaborative abilities, and commitment to excellence make him a valuable asset to any organization. It was a pleasure working with Liam, and I would welcome the opportunity to work with him again in the future.
Josh Reed
Liam's sharp engineering mind and positive energy had a huge effect on our team's performance. He's adept at breaking down problems and making sure the whole team is on the same page as we move through solutions, and he'd consistently bring fresh ideas to our work. I can highly recommend Liam.
Jonathan Fangon
I had the pleasure of working with Liam Jeon, a highly skilled software engineer. Liam's technical expertise and attention to detail were outstanding, and he consistently delivered high-quality code. His excellent communication skills, strategic thinking, and engineering abilities were instrumental in developing a highly scalable and efficient system. Overall, I highly recommend Liam for any software engineering role. His technical skills, collaborative abilities, and commitment to excellence make him a valuable asset to any organization. It was a pleasure working with Liam, and I would welcome the opportunity to work with him again in the future.
Josh Reed
Liam's sharp engineering mind and positive energy had a huge effect on our team's performance. He's adept at breaking down problems and making sure the whole team is on the same page as we move through solutions, and he'd consistently bring fresh ideas to our work. I can highly recommend Liam.
Experience
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Obsidian
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Software Development
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1 - 100 Employee
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Software Engineer
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Oct 2022 - Present
- Product developed under Open Source Labs (opensourcelabs.io). - Implemented GraphQL schemas and resolvers to interface with a PostgreSQL database, allowing for accurate and predictable data retrieval and simplifying logic on the client and server side due to the use of a single endpoint. - Improved GraphQL implementations by adding a caching layer that stores previous query results for quick retrieval, optimizing response time and reducing the frequency of database calls while maintaining consistent queries and responses. - Used Redis's advanced data structures to create a server-side cache that efficiently responds to cached GraphQL queries with redirected memory-based data, evicting cache with Least Recently Used (LRU) or Least Frequently Used (LFU) strategies. - Utilized a caching strategy that leveraged Deno's GraphQL middleware to dissect query strings into fields, allowing for efficient selective querying and instantaneous cache invalidation for mutation-staled keys. - Incorporated React components and hooks to improve performance and implement a modular design pattern, leading to easier refactoring and efficient management of unidirectional data flow. - Utilized Oak, one of Deno’s server-side frameworks, and its middleware design pattern to achieve modularity and organization when routing GraphQL queries to either the database or cache. - Implemented TypeScript's static and strong typing to prevent implicit type coercion, which improved debugging, code readability, and the facilitation of easy code maintenance and refactoring. - Revamped developer tools by migrating to manifest 3, which improved privacy and performance and fixed previously dysfunctional windows such as the "playground" and "cache". Show less
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Open Source
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United Kingdom
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Software Development
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100 - 200 Employee
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Software Engineer | Mood Swings | Online Personalized Journaling
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2022 - Present
- Express, due to its flexibility, scalability, and robust routing and middleware capabilities, was chosen to handle http requests for journal entries and post requests for user sign-in and log-in. - Utilizing MongoDB, a NoSQL database, for its ability to both handle un/semi-structured data and to allow for more flexibility in schema design and scalability, was the best approach to create journal entry and user log-in schemas. - Introduced cookies and sessions with user schemas to ensure timed sessions and improve security by tracking and managing user sessions on the server-side, preventing session hijacking and other malicious activities. - Incorporated React Routers for seamless user experience, using conditional component rendering to optimize performance. - Implemented React to create reusable components, enabling state and prop-drilling for efficient organization of journal data. - Configured a custom webpack file for more scalability, faster run-time, ES6+ transpilation, and decreased bundle file size. Show less
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Education
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University of California, Los Angeles
Bachelor of Arts - BA
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