casper orich
@casperorich
Software engineer and educator specializing in performance optimization, REST APIs, and team leadership in Python, JavaScript, and C#.
What I'm looking for
I’m a software engineer and educator with more than six years of experience building high-quality, user-focused software in Python, JavaScript, and more recently C#. I specialize in optimizing performance, improving user workflows, and leading teams to deliver impactful solutions.
At Griffin Global Technologies, I’ve led a team of 4 engineers building and maintaining an integration API for a real estate investment and development group in the United States. I architected a microservice-based solution optimized for modularity, maintainability, and service interoperability, and I design and implement RESTful APIs following best practices.
Earlier, at Diaspocare Ltd, I scaled the backend from MVP to support 1,000+ users and thousands of cross-continental transactions monthly, including secure multi-country payment workflows. I also contributed to third-party API integrations for insurers, collaborated on mobile-first payment experiences, and strengthened reliability through testing, debugging, code review, and documentation. I’m also passionate about sharing knowledge through open-source work (including Hanko) and technical writing on Medium, and I currently help with Python development and documentation while working on a Django installable app for passwordless authentication.
Experience
Work history, roles, and key accomplishments
RLHF & RLEF Trainer
Turing
Oct 2024 - May 2025 (7 months)
Trained and fine-tuned LLMs using RLHF and RLEF to improve accuracy, coherence, and contextual understanding for JavaScript and Python applications. Designed and evaluated prompts for code generation, debugging, and performance tuning to enhance AI-assisted coding workflows.
Education
Degrees, certifications, and relevant coursework
Dedan Kimathi University of Technology
Bachelor of Science in Computer Science, Computer Science
2016 - 2020
Earned a Bachelor of Science in Computer Science from Dedan Kimathi University of Technology (2016–2020).
Lenana School
2012 - 2015
Completed high school education at Lenana School (2012–2015) and developed skills across Python, C#, JavaScript, and related web/API technologies.
Availability
Location
Authorized to work in
Portfolio
hanko.ioJob categories
Skills
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