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Jonathan DuelferJD

Jonathan Duelfer

Salesforce Developer | Programmer

€400/day
Alcanar, ES
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jonathan

I have over 10 years of experience in the Salesforce ecosystem (with 10 certifications) working with clients and products in a wide variety of sectors: aeronautics, pharmaceuticals, energy, non-profit, and more. I also have extensive experience with other platforms (AWS, Heroku, Google Cloud, Firebase, etc.) and several programming languages (JavaScript, Java, Python, Clojure). Native English speaker as a US citizen.
  • English

    Native or bilingual

  • Spanish

    Fluent

  • Catalan

    Fluent

Can work on-site
Alcanar (up to 50km), Barcelona (up to 20km), Valencia (up to 20km)

Experience

  • Duelfer Solutions
    Salesforce Developer
    January 2021 - Today (5 years and 5 months)
    Alcanar, Spain
    Working as a freelancer since 2021, primarily for clients in the United States. Clients are a mix of startups, medium-sized companies, and non-profit organizations:
    • Salesforce Partner with 8 successful projects with reviews of 4.9/5 stars on the Salesforce AppExchange: https://appexchange.salesforce.com/appxConsultingListingDetail?listingId=a0N4V00000JC5wKUAT
    • Implementation of Sales Cloud, Service Cloud, Nonprofit Cloud, Experience Cloud, Heroku, and Slack.
    • Development of Apex, LWC, APIs, etc.
    • Integrations with external systems: Zendesk, Corrigo, SAP, DocuSign, Slack, Google Drive, Netsuite, Asana, and JavaScript applications.
    • Development of applications on AWS, Google Cloud Platform, Heroku, and more in JavaScript, Python, Clojure, etc.
    Salesforce Developer Salesforce Architect Amazon Web Services (AWS) Heroku Lightning Web Components (LWC)
  • Sparkfund
    Salesforce Developer
    January 2018 - January 2021 (3 years)
    Washington, DC, USA
    Senior Salesforce Developer for a renewable energy company. Team of ~10 developers working in an "agile" and "scrum" environment. Salesforce implementation with integrations with external systems.
    • Sales and Service Cloud for over 100 employees and partners.
    • Implementation of Experience Cloud sites for various brands.
    • Apex, LWCs, Visualforce, Flows, etc.
    • Development of "managed packages" for the finance team.
    • Integration via APIs with AWS.
    • Development of an external application in JavaScript and React.
    Salesforce Developer Salesforce Developer Salesforce Experience Cloud Salesforce Architect Amazon Web Services (AWS)
  • Nuvolar Works
    Software Developer
    January 2016 - January 2017 (1 year)
    Barcelona, Spain
    Implementation of a custom application built on the Salesforce platform for the Private Aviation industry.
    • Complex Apex development for scheduling aircraft and crew across the globe.
    • Elaborate Visualforce development and single-page JavaScript applications for brokers and users.
    • API development and integrations with third-party platforms for flight times, weather, etc.
    Salesforce Developer Salesforce Sales Cloud Salesforce Service Cloud JavaScript Apex

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Education

  • Bachelor's degree
    University of North Carolina Chapel Hill
    2015
    Bachelor's degree

Certifications

Skill set

Categories