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Hello! I'm Jonah Kim, a senior software engineer focusing on backend and cloud systems. I enjoy building reliable platforms that scale, collaborating with cross-functional teams, and delivering measurable impact for users and businesses. I thrive in enterprise and high-growth environments, leading initiatives from architecture to deployment, mentoring teammates, and raising the bar on reliability and observability.…Hello! I'm Jonah Kim, a senior software engineer focusing on backend and cloud systems. I enjoy building reliable platforms that scale, collaborating with cross-functional teams, and delivering measurable impact for users and businesses. I thrive in enterprise and high-growth environments, leading initiatives from architecture to deployment, mentoring teammates, and raising the bar on reliability and observability.

Jonah Kim

Full Stack Developer, Web Developer, Developer, +4

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Hello! I'm Jonah Kim, a senior software engineer focusing on backend and cloud systems. I enjoy building reliable platforms that scale, collaborating with cross-functional teams, and delivering measurable impact for users and businesses. I thrive in enterprise and high-growth environments, leading initiatives from architecture to deployment, mentoring teammates, and raising the bar on reliability and observability.…Hello! I'm Jonah Kim, a senior software engineer focusing on backend and cloud systems. I enjoy building reliable platforms that scale, collaborating with cross-functional teams, and delivering measurable impact for users and businesses. I thrive in enterprise and high-growth environments, leading initiatives from architecture to deployment, mentoring teammates, and raising the bar on reliability and observability.

Available to hire

Hello! I’m Jonah Kim, a senior software engineer focusing on backend and cloud systems. I enjoy building reliable platforms that scale, collaborating with cross-functional teams, and delivering measurable impact for users and businesses.

I thrive in enterprise and high-growth environments, leading initiatives from architecture to deployment, mentoring teammates, and raising the bar on reliability and observability.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Software Engineer at Amazon

January 1, 2023 - January 1, 2025

Led 5 engineers to deploy backend ML platform for an AI intelligence engine for simulations data, serving 50+ internal teams. Improved data fidelity from <70% to 100% and speed by 220% for custom inventory simulations with a new inventory algorithm. Stored and fetched simulation data in S3 (Parquet); crawled/stored metadata with Glue crawler & Glue catalog; integrated analytics pipeline flow with Kotlin & Java to incorporate metrics/analytics; connected with 10+ disparate data stores.

Senior Software Engineer at Poppin Technologies, Inc.

January 1, 2021 - January 1, 2023

Scaled platform from 50k to 2m+ users; led engineering team of 14; developed product roadmaps; managed technical hiring. Engineered proprietary “Poppin Pay” technology to process $1.5m in payments with AWS, Stripe, and Apple APIs. Managed 200+ AWS components w/ Terraform and 10+ microservices to support 3k+ reqs/min with Go/TypeScript backend. 60-day incremental migration from GCP to AWS with 20+ database migration scripts (Firestore to AWS Aurora).

Software Engineer at Stripe

January 1, 2018 - January 1, 2021

Developed internal risk evaluation tooling w/ React; deployed 8 risk ops algorithms to triage 300+ daily merchant escalations. Engineered AWS orchestrator to automate 15k+ merchant verifications; integrated document reviews and risk scoring. Built internal metrics ingestion system to track API performance and errors across payout, verification, and onboarding flows.

Machine Learning Research Head at UCLA ML Research Team

January 1, 2017 - January 1, 2018

Led a team of 7 ML grad students to develop SOTA GANs-inspired music generator that imitates styles of Mozart & Beethoven. Extracted features using audio frame segmentation and Fourier transforms; built 4 data pipelines to aggregate 1000+ data points; cleaned 100k+ MIDI files & 50+ features; benchmarked 4 architectures.

Senior Software Engineer at Amazon

January 1, 2023 - January 1, 2025

Developed and deployed a core backend ML platform for an AI simulations engine, serving 50+ internal teams. Improved data fidelity from under 70% to 100% and accelerated simulations by 220% with a redesigned inventory algorithm. Engineered Synchronizer service coordinating with 15+ systems to stabilize execution speed at scale.