Resume

Skills

Languages: Go, TypeScript, JavaScript, Python, HTML & CSS, SQL

Technologies: AWS, Docker, ElasticSearch, MySQL, Terraform, Node.js, Git, Datadog

Other: Distributed Systems, Event-driven Design, Serverless Architecture, Microservices, API Design, CI/CD, Testing

Software Engineer

May 2025 – Present

Tokyo, Japan

TypeScriptDockerAWSMySQLRedisTerraformDatadog

Built an AI-powered automation agent using Midscene that enables developers to implement user management across third-party services while reducing development time to integrate by 2 days per service
Optimized customer request processing by implementing request prioritization based on request types, significantly improving user management processing latency across high-traffic workloads
Solved OAuth re-integration issues by developing a GitHub app for organization-wide user management, removing related integration failures

Software Development Engineer II

Jun 2021 – Sep 2023

Berlin, Germany

GoTypeScriptDockerCI/CDAWSAPI GatewayCloudTrailCloudWatchDynamoDBEBSEC2ECRECSEFSEventBridgeFargateKMSLambdaS3SQSSSMStepFunctions

Achieved zero-downtime launch of Amazon CodeCatalyst Dev Environments by designing and executing comprehensive load testing identifying and resolving multiple service bottlenecks with DDB, SFN, and Lambda
Designed and led implementation of scalable event-driven architecture using AWS EventBridge for customizable resource lifecycle events, serving 2000+ internal and external users while reducing API load
Achieved 0 unplanned microservice restarts by utilizing Go's pprof to identify and resolve memory leaks, achieving over 90% memory usage reduction
Eliminated validation errors by developing a custom Go-based generic request validator that reduced HTTP request validation issues by over 99%, delivering more precise error messages than standard AWS API Gateway integration
Prevented user data loss by developing a fallback mechanism that restores access to MDE Dev Environments when storage limits were exceeded
Exercised service reliability by building a CI/CD pipeline for continuous execution of E2E and integration tests and canaries, simulating customer behavior
Achieved operational readiness (ORR) approval for service launch by implementing region-specific deployment safety protocols and creating operational tooling, dashboards, and over 200 additional alarms

Consultant

Sep 2019 – Apr 2021

Berlin, Germany

PythonTypeScriptAngularScalaSparkS3Google Maps APIMLflow

Reduced development time by 40 hours per deployed web study by designing and developing a modern Angular-based web study service with streamlined study configuration
Developed a Python-based web study service backend, handling user authentication and study result persistence in AWS S3-compatible storage
Optimized data analysis performance by introducing caching of previously generated results and improving algorithmic complexity, achieving 90% runtime reduction and saving 2 hours per week
Developed a statistical model identifying vehicle waiting segments near destinations by analyzing over 1 million data samples, leading to continued client engagement

Teaching Assistant

Aug 2016 – Mar 2019

Berlin, Germany

RStatistical ProgrammingMathematical Modeling

Co-led course of 25+ students on statistical programming with R and assisting with assignments like finding optimal option pricing and simulating cancer growth in patients
Created sample solutions like spam filter based on Naive Bayes classifier and a tool to denoise images using Nadaraya-Watson estimator in R for statistical programming course
Supported 200+ Computer Science and Math students over 5 courses on linear algebra and statistics, guiding them through optimal assignment solutions and conducting learning sessions for exam preparation

Humboldt University of Berlin

2016 – 2019

Berlin, Germany

Thesis: The estimation of signal-to-noise ratios in high-dimensional linear models

Humboldt University of Berlin

2012 – 2016

Berlin, Germany

Thesis: The Skohorod MI Topology and weak Convergence