# Elliott Mantock

> Driven Full-Stack software engineer with 10+ years of experience building frontends, APIs, data pipelines, and Infrastructure as Code. Most recently Staff Software Engineer at Reef.ai — Seattle, WA (Remote).

Contact: emantock@gmail.com · GitHub: https://github.com/elGatoMantocko · LinkedIn: https://linkedin.com/in/elliottmantock

Location: Seattle, WA (Pacific Time)
Workplace preference: Prefers working in an office; a hybrid remote/in-office arrangement is also fine.
Target roles: Senior or Staff full-stack / product engineer, as an individual contributor.
Focus: Full-stack development and product engineering. Likes to build and own the database schema, the API contracts, and the frontend tooling used to present the core application.
Employment type: Full-time preferred; open to contract work.
Relocation: Not looking to relocate from the Seattle area.

Skills: Frontend, Backend, Typescript, React, AWS, DevOps, PostgreSQL, REST, JavaScript, CSS, HTML, Data Engineering, Python, GraphQL, DynamoDB, BigQuery, DBT, React Native, Node.js, Go, Protobuf, Kubernetes, Terraform, Java, Spring Boot

**Work Experience** (newest first)

- **Staff Software Engineer — Reef.ai** (May 2022 – Jun 2026 · Seattle, WA (Remote))
  Second engineering hire; helped build and scale the surrounding infrastructure for a customer facing ML platform from concept to production (0→1).
  Skills: Frontend, Backend, DevOps, Data Engineering, Typescript, React, Python, GraphQL, AWS, DynamoDB, PostgreSQL, BigQuery, DBT
  - Engineered a customer success platform to serve proprietary scoring heuristics based on data science driven results.
  - Streamlined automated deployments with Python AWS CDK, Cloudformation, and Github Actions.
  - Engineered a customer-facing application for metrics reporting and notifications on AWS Lambda with auth and a GraphQL API, a multi-tenant DynamoDB schema using single-table design principles and a React frontend with MUI design and hand-rolled data visualizations.
  - Architected internal facing web and CLI applications for platform management using Supabase (PostgreSQL) with a Typescript backend.
  - Contributed to DBT data pipelines to normalize customer CRM data (Salesforce, Snowflake, S3) into data-science ready and application approved schemas; Designed Databricks pipelines to ingest high-volume customer data.
- **Senior Software Engineer — Copper Banking** (Jun 2021 – Apr 2022 · Seattle, WA)
  Fourth product engineer; built components and infra for a teen banking React Native app with 50,000+ daily active users.
  Skills: Frontend, Backend, React Native, React, Typescript, Node.js, REST, AWS
  - Migrated from custom vanilla React Native build (split iOS and Android) to a unified Expo build.
  - Built a custom web auth landing experience with native-compatible design principles for optimized user attribution.
  - Contributed to core services and components in both the native app and Typescript Node.js REST APIs.
- **Senior Software Engineer — Kaskada** (Dec 2019 – Jun 2021 · Seattle, WA)
  Platform engineer and fifth builder hire; built a feature store for a data-science feature engineering platform centered around streaming data, from concept to production (0→1).
  Skills: Frontend, Backend, DevOps, Typescript, React, Go, Protobuf, PostgreSQL, Kubernetes, AWS, Terraform
  - Architected and engineered the foundational platform for fenl (Kaskada’s proprietary feature engineering DSL), enabling seamless end-to-end lifecycle management for data science workflows.
  - Developed a high-performance full-stack ecosystem utilizing Go for scalable service logic, PostgreSQL for stateful persistence, and React to deliver advanced feature versioning and complex querying capabilities.
  - Streamlined infrastructure deployment by implementing Kubernetes orchestration and Terraform-based Infrastructure-as-Code (IaC), ensuring high availability and automated scaling of mission-critical services.
- **Software Engineer II — Expedia Group** (May 2018 – Nov 2019 · Bellevue, WA)
  Platform engineer for global B2B travel brand; built core components and services supporting 30+ global engineering teams.
  Skills: Frontend, Backend, JavaScript, CSS, HTML, Java, Spring Boot, REST
  - Engineered a high-availability, context-aware platform service for the global application header, enabling dynamic, state-driven navigation across the entire enterprise ecosystem.
  - Optimized component architecture to improve asset delivery for users with a split, less than 200KB, bundle across core applications.
- **Software Engineer — Expedia Group** (Jul 2016 – Apr 2018 · Chicago, IL)
  Product engineer; built out the Global Home Page for the modern Egencia travel platform.
  Skills: Frontend, JavaScript, CSS, HTML
  - Focused on low-latency rendering of the home page to enhance user engagement.
  - Engineered seamless cross-product integration controls, streamlining user handoffs and reducing friction between disparate products within the Egencia travel network.
  - Subject-matter expert for all things global product design related; leading contributor to the global UI Toolkit codebase outside of the platform team.

**Education**

- **BS, Computer Science — Purdue University** (2010 – 2016 · West Lafayette, IN)
  - Activities and societies: Purdue Bands and Orchestras, Kappa Kappa Psi - Gamma Pi, Intramural sports
  - Studied programming techniques and concepts. Analyzed and implemented complex algorithms. Gained team project management skills. Pursued leadership positions in various academic and extracurricular organizations.

## Optional

- [Work Experience](https://elliott.mantock.com/work/llms.txt): the work history above on its own
- [Education](https://elliott.mantock.com/education/llms.txt): the education history above on its own
- [Portfolio site](https://elliott.mantock.com): interactive version (client-rendered; this file is the canonical source)