Kenneth Darmawan
Résumé

Kenneth Darmawan

Software Engineer

About

Software engineer who enjoys tackling complex technical problems.

Hi, I’m Kenneth, a software engineer based in San Francisco, currently working at Chime on backend systems. Scroll down to see some of my experience.

Kenneth Darmawan smiling, at night in San Francisco
Kenneth Darmawan

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Work

Where I’ve worked

5+ years building software

Full résumé

Chime

$100M+in partner transactions

CAPITAL MARKETS TEAMSoftware Engineer

Software Engineer, Chime

Jan 2026 – Present, 11 mos, San Francisco, CA

  • Led a 0→1 backend platform supporting $100M+ in high-value partner transactions, owning its core APIs for eligibility, transfers and pledging.
  • Designed and launched a credit furnishing platform for all Chime liquidity products, automating a manual, multi-day process for millions of members.
  • Re-architected backend services with Legal, Compliance and 3 engineering teams for Chime’s new line of credit, unblocking its launch ahead of schedule.
  • Ruby on Rails
  • PostgreSQL
  • Amazon SQS
  • Airflow

Capital One

+10%user spending

CARD TECH TEAMSoftware Engineer

Software Engineer, Capital One

Feb 2022 – Sep 2025, 3 yrs 8 mos, San Francisco, CA

  • Developed real-time ML decisioning services (Java, Spring Boot, gRPC) on millions of daily transactions, driving a 10% rise in user spending.
  • Led a subscription-detection pipeline with data science and product, identifying $10M+ a year in overlooked revenue.
  • Scaled fraud detection on AWS with CI/CD that cut build times 40%, and Redis caching that cut response times 35%.
  • Java
  • Spring Boot
  • gRPC
  • AWS
  • Redis

Tech4Good

$200K+in STEM grants

R&D TEAMSoftware Engineer

Software Engineer, Tech4Good

Sep 2019 – Dec 2020, 1 yr 4 mos, Santa Cruz, CA

  • Directed design and architecture for Causeway, a web development learning platform, leading to $200K+ in competitive STEM education grants.
  • Created data structures and algorithms exercises with Java and REST APIs, raising student engagement and course completion 25%.
  • Built responsive Angular and TypeScript components that made the platform more usable and accessible.
  • Java
  • REST
  • Angular
  • TypeScript

Side projects

Explore my world

Starter Island, a 3D world I built. Walk it as me with Charizard, race in the KD Grand Prix and dance at the Main Stage.

Pokémon: San Francisco

A Pokémon game I built for fun. Fly into San Francisco at night, pick your starter when a wild Gyarados attacks, then take on Mega Gengar.

Scroll to keep going Press start Press start

Playable on desktop

Contact

Let’s talk.

Whether it’s backend, data, ML or the song that’s playing, I’m always up for a chat.

Start a mail about:HiringCollaboratingJust saying hi

  1. Emailkendarm123@gmail.comCopy
  2. LinkedInin/kenneth-darmawanOpen
  3. RésuméOne page, PDFOpen

Kenneth Darmawan

Backend Software Engineer · San Francisco, CA · kendarm123@gmail.com · linkedin.com/in/kenneth-darmawan

Work experience

Chime

San Francisco, CA
Software EngineerJan 2026 — Present
  • Led development of a 0→1 backend platform supporting $100M+ in high-value partner transactions, owning core APIs and business logic for eligibility, transfer, and pledging workflows.
  • Designed and launched a new credit furnishing platform for all Chime liquidity products, turning a manual, multi-day reporting process into an automated pipeline serving millions of members.
  • Partnered with Legal, Compliance, and 3 engineering teams to re-architect backend services and reporting logic for Chime’s new line of credit product, unblocking its launch ahead of schedule.
  • Strengthened production readiness by building an AI-powered on-call system that triages alerts and surfaces root causes and fixes in real time, saving the team 10+ engineering hours per week.

Capital One

San Francisco, CA
Software EngineerFeb 2022 — Sep 2025
  • Developed real-time decisioning services (Java, Spring Boot, gRPC) to process millions of daily transactions with ML models, driving a 10% increase in user spending.
  • Led cross-functional initiatives with data science and product teams to build a subscription detection pipeline, identifying $10M+ in overlooked revenue annually.
  • Leveraged AWS (EC2, ECS, S3, Fargate) to deploy and scale fraud detection services, implementing CI/CD pipelines to cut build times by 40% and enable faster, more frequent releases.
  • Resolved critical production latency issues by implementing Redis caching, improving response times by 35% and eliminating timeouts during peak hours.

Tech4Good

Santa Cruz, CA
Software EngineerSep 2019 — Dec 2020
  • Directed design and architecture sessions for Causeway, a web development learning platform, leading to improvements that secured over $200,000 from competitive STEM education grants.
  • Created data structures and algorithms coding exercises using Java and REST APIs for Causeway’s backend infrastructure, improving student engagement and course completion rates by 25%.
  • Collaborated with UI/UX designers to design and operationalize a user research workflow, enabling structured feedback collection to inform future feature development.
  • Implemented responsive frontend components using Angular and TypeScript to improve usability and accessibility of the Tech4Good platform.

Education

University of California, Santa Cruz

Santa Cruz, CA
Bachelor of Science in Computer ScienceSep 2018 — Dec 2021
  • Dean’s Honors List, Google Developer Student Club, Association for Computing Machinery

Skills

Languages
Python, Java, Ruby, TypeScript, SQL
Backend
REST, gRPC, Spring Boot, Ruby on Rails, Amazon SQS, Airflow (Astronomer)
Data
PostgreSQL, Redis, Amazon DynamoDB, Amazon S3, Snowflake
Certified
AWS Certified Solutions Architect – Associate