Job Celaya Senior Software Engineer

Senior Software Engineer

DispatchHealth

Sep 2022 - Current (4 years 2 months)

● Enforced code guidelines, reducing Frontend code smells by 30%.
● Improved testing strategies, resulting in a 15% reduction in production issues,
and reaching a 75% coverage threshold.
● Invest time looking for issues, documenting them and creating strategies to fix
them without impacting the delivery time of the product.
● Developed and maintained several modules across several projects with
technologies like React, Typescript, Redux, React-query, NestJS, StoryBook,
vitest, React Testing Library, Ruby on Rails, and Golang.
● Support in production issues with tools like pager duty, Datadog and Grafana.
● Active EDD reviewer
● Being part of typescript/FE code owners.
● Work across nume

Tech Lead

Gopuff

Aug 2021 - Sep 2022 (1 year 2 months)

● Report directly to the Engineer Manager.
● Actively participate in road map plannings, architecture decisions, scrum
ceremonies.
● Mentoring new team members.
● Had recurrent 1:1 meetings with team members, to give and get feedback.
● Investigate, find and bring solutions for productions bugs, relying on tools like
Splunk & Data dog.
● Unlock team members.
● Hands on working on several projects, like the React Native client repo,
GraphQL server and microservices across the goPuff ecosystem.

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Principal Engineer

Metaclav

Mar 2021 - Feb 2024 (3 years)

● Build and actively improve all the main repos for the end users including wallet service (gin gonic Golang), Client FE (NextJS), iOS App (Expo/React Native/Native Swift Modules, Apollo Client), Main API (Apollo Server).
● Normalize apollo cache from Wed APP & iOS App.
● Hands on in database design & migrations with tools like Prisma & PostgreSQL.
● Web socket integration with apollo subscriptions for real-time updates on
clients.
● MPC integration to sign ETH transactions on server (Golang) &
signature/encryption on iOS App using swift native modules.
● Implemented push notifications on iOS App.
● I have work creating the reusable handmade shared components for our design
system with tools like

Senior Software Engineer

Gopuff

Dec 2020 - Aug 2021 (9 months)

● Currently working in frontend & backend technologies like: ReactJS, Typescript, React Native, GraphQL (Apollo Server/Client & urql), Koa, Azure, Storybook, Chromatic, Jest & Cypress.
● Actively working on checkout and cart implementation in the customer mobile app(IOS & Android) & web app.
● In the last year, I’ve implemented the payment flow using Braintree & GraphQL.
● Working close to design & product teams to design, develop & deploy new
features for the customer app.
● Active pull request reviewer as part of the project code owners.
● Hands-on experience creating stories on storybook for our components,
including proper unit tests using Jest (react testing library & React Native testing
library

Front End Engineer

Expedia Group

Apr 2018 - Dec 2020 (2 years 9 months)

● Developed custom reusable components with technologies like ReactJS & AngularJS.
● Implementation of lazy loading, this led to improving the speed of the site by around ~25%. https://www.hotwire.com/
● Worked close to Product owners, marketing team and designers.
● Hands-on experience creating and maintaining CI Jenkins pipelines.

● Experience using Splunk & Datadog to track issues from logs in QA, staging and production environments.
● I’ve created several unit tests w/ Jasmine and Jest (React testing library) & E2E’s w/ protractor,

Full Stack Engineer

Geodis S.A.S

Sep 2017 - Apr 2018 (8 months)

● Created dashboards from scratch to monitor containers/deliveries in real time from America, Asia, Europe, and Oceania, relying on web sockets connections and maps from amCharts.
● Created and maintained dashboards who displayed real time financial data with tools like amCharts & Charts.js, these tools were used widely across the company to help with financial decisions.
● Update, fix and refactor legacy supply chain systems.
● I designed and developed analytics dashboards for the Financial, Oil and BI
teams.
● Worked with UI frameworks like Angular Material, Bulma and Semantic UI.
● Hands-on experience with chart libraries like chart.js, High charts and amCharts.
● Develop APIs with technologies like Lar

O

Full-Stack Engineer

Orama Forward Thinking

Nov 2016 - Sep 2017 (11 months)

● Develop modules and reusable AngularJS components.
● Worked with UI frameworks like Angular Material, Bootstrap and Foundation.
● Developed Rest API with Laravel.
● Designed mockups and wireframes to improve the actual UX.
● Worked with task runners like webpack and GULP.
● Use of package managers like Bower & NPM.

Back End Engineer

Qualtop

Jul 2016 - Nov 2016 (5 months)

- I developed admin systems with BREAD modules (browse, read, edit, add delete), role-based authentication, payment modules, user administration, etc.
- I also work on a front end refactor to be mobile-first.
- Work with 3rd party APIs like Google Maps & Twitter.

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Full Stack Engineer

Sustam.com

Jun 2015 - Jul 2016 (1 year 2 months)

● Developed Admin systems, dashboards and web apps with technologies like PHP (Cake PHP/Laravel), MySQL, jQuery and AngularJS.
● Implementations of payments gateways like PayPal and Conekta.

A

Software Engineer

AdMedios

May 2013 - Jun 2015 (2 years 2 months)

● Developed SaaS project related to news and Ads.
● Developed jobs to collect and store news & Tweets.
● Configuration of Apache server w/ the LAMP stack.
● Design and develop clean interfaces, thinking in mobile first.
● Developed automated reports to clients.
● Implemented third-party software like Google Maps, Twitter API, & Google News API.

Job Celaya

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Job Celaya

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