Jacob Rafko

Jacob Rafko Email and Phone Number

Software Engineer II @ Attentive
San Diego, CA, US
Jacob Rafko's Location
Scottsdale, Arizona, United States, United States
About Jacob Rafko

A Test-driven, customer obsessed Software Engineer who takes pride in putting the experience of the user over everything.Relentless on the mission of making every piece of code with the customers in mind.Proficient Languages: Java, Javascript/Typescript, Node.js, HTML, JSP, Python, SQLProficient Frameworks/Libraries: ReactJS/React, Nightwatch, React, Cypress, React Native, AWSSpoken Languages: English, Spanish

Jacob Rafko's Current Company Details
Attentive

Attentive

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Software Engineer II
San Diego, CA, US
Employees:
69113
Jacob Rafko Work Experience Details
  • Attentive
    Software Engineer Ii
    Attentive
    San Diego, Ca, Us
  • American Express
    Full Stack Engineer I (Senior Level)
    American Express Apr 2024 - Present
    Phoenix, Arizona, United States
    Lead owner of a groundbreaking new internal operational efficiency and monitoring tool, utilized by the entire web team throughout American Express. (React/Kotlin).Responsible from start-to-finish design of the new internal tool including best design practices and best testing processes. (React/Cypress)Lead a team of 6 engineers, delegating tasks between them to leverage their strengths to maximize output efficiency. (React/Kotlin/Leadership/Collaboration)
  • Amazon
    Full Stack Engineer (Front-End Focused)
    Amazon Jul 2022 - Feb 2024
    Scottsdale, Arizona, Estados Unidos
    - Designed an end to end cross-team project to increase recruitment into our program, improving recruitment rate by over 400% which generated $4 billion of revenue. (React/Java/Spring)- Implemented robust integration tests for our front-end web application using Nightwatch, increasing previous testcoverage by over 300%, enabling a full CD environment. (TypeScript/Nightwatch.js)- Automated administrative operations by creating a browser extension to automatically parse… Show more - Designed an end to end cross-team project to increase recruitment into our program, improving recruitment rate by over 400% which generated $4 billion of revenue. (React/Java/Spring)- Implemented robust integration tests for our front-end web application using Nightwatch, increasing previous testcoverage by over 300%, enabling a full CD environment. (TypeScript/Nightwatch.js)- Automated administrative operations by creating a browser extension to automatically parse customer information to beused by developers. (HTML/Javascript)- Contributed to Amazon Vine’s Seller/Vendor facing web application, impacting over 9.7 million registered sellersworldwide. (React) Show less
  • Amazon
    Software Development Engineer
    Amazon Jun 2021 - Jul 2022
    Seattle, Washington, United States
    - Designed and maintained infrastructure capable of handling over 200 million users with auto-scaling hosts to reduce infrastructure costs. (AWS)- Automated the migration of an outdated proprietary infrastructure by automatically removing nested templates; reducing site latency by 27% and cutting manual migration effort from an estimated 4 months to 3 weeks. (Python)- Participated in rigorous on-call rotations with a rolling average of 7 high severity events weekly.- Led… Show more - Designed and maintained infrastructure capable of handling over 200 million users with auto-scaling hosts to reduce infrastructure costs. (AWS)- Automated the migration of an outdated proprietary infrastructure by automatically removing nested templates; reducing site latency by 27% and cutting manual migration effort from an estimated 4 months to 3 weeks. (Python)- Participated in rigorous on-call rotations with a rolling average of 7 high severity events weekly.- Led an org-wide hackathon project, winning first place allowing me to present to VP level management on thesignificance of our project. (Java/Javascript) Show less
  • Amazon
    Software Development Engineer
    Amazon May 2020 - Aug 2020
    Seattle, Washington, United States
    - Increased the efficiency of generating web components, allowing developers to use a UI instead of manually designingthe component. This process is 197 times faster than creating components manually. (React)- Implemented 2 layers of security into my project as a stretch goal to prevent access from outside actors in order to securecompany assets/information. (Node.js/Java)
  • University Of Arizona
    Android App Developer
    University Of Arizona Apr 2019 - May 2020
    Tucson, Arizona, United States
    Pioneered the use of React Native in a confidential application for internal use within the University of Arizona, directly impacting the future of the application’s ability to scale. (React Native)Reduced manual involvement in updating mobile application content by integrating the application directly with Google Firebase. (Java)
  • University Of Arizona
    Undergraduate Teaching Assistant: Software Development
    University Of Arizona Jan 2019 - Jan 2020
    Tucson, Arizona Area
    Responsible for student comprehension and lead section discussions regarding the Software Development, and Analysis of Discrete Structures classes at University of Arizona.Responsible for grading over 35 students’ programming assignments, quizzes, and exams.Assist students in understanding course content via office hours and discussions
  • Department Of Computer Science At The University Of Arizona
    Course Coordinator
    Department Of Computer Science At The University Of Arizona May 2019 - Sep 2019
    Tucson, Arizona
    As Course Coordinator for CSC 345: Analysis of Discrete structures I was responsible for:Creating and distributing projects for students in areas such as: skip lists, algorithm complexity, and sorting.Grading of over 30 individual students.

Jacob Rafko Education Details

Frequently Asked Questions about Jacob Rafko

What company does Jacob Rafko work for?

Jacob Rafko works for Attentive

What is Jacob Rafko's role at the current company?

Jacob Rafko's current role is Software Engineer II.

What schools did Jacob Rafko attend?

Jacob Rafko attended University Of Arizona.

Who are Jacob Rafko's colleagues?

Jacob Rafko's colleagues are Ludwig Pfandtner, Caroline Marks, Martina Calderan Sut, Harish Sahu, Mohamed S., Franceur Ritz Bacina, Maricar Bautista-Dela Pena.

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