Sebastien Quinternet, APIs Developer in Sydney, New South Wales, Australia
Sebastien Quinternet

APIs Developer in Sydney, New South Wales, Australia

Member since March 25, 2021
With over 10 years of experience in software development, Sebastien has successfully led the development and delivery of enterprise solutions built around Salesforce, AWS, and Kafka. He has a strong technical background with a passion for cloud technologies, event-driven architecture, and microservices. Sebastien likes to design and implement technical processes and standards that allow efficient and effective solutions to be built, deployed, monitored, and supported.
Sebastien is now available for hire

Portfolio

  • Athena Mortgage
    Salesforce, AWS, Salesforce API, AWS Lambda, Node.js, Apex, APIs, Jira...
  • Lendi
    Salesforce, AWS, Apache Kafka, AWS Lambda, AWS DynamoDB, Docker...
  • Self Employed
    Salesforce, APIs, Salesforce API, Apex, Jira

Experience

Location

Sydney, New South Wales, Australia

Availability

Part-time

Preferred Environment

VS Code, Salesforce, Miro, Jira, Node.js, Apex, APIs

The most amazing...

...project I've worked on was when I led the transformation of a monolithic implementation of Salesforce into an event-driven microservices architecture.

Employment

  • Senior Salesforce Developer

    2020 - 2021
    Athena Mortgage
    • Helped with the implementation of Salesforce enterprise patterns.
    • Contributed to the development of integrations between Salesforce and third-party providers.
    • Helped with decoupling of services within Salesforce.
    Technologies: Salesforce, AWS, Salesforce API, AWS Lambda, Node.js, Apex, APIs, Jira, AWS API Gateway
  • Salesforce Team Lead

    2018 - 2020
    Lendi
    • Allowed quick and efficient value delivery to the business through the development of event-driven microservices on Salesforce and AWS. Processed spikes of 250,000 events on Salesforce and millions of events on AWS.
    • Improved incident resolution time, ensuring 98% of tickets closed within SLA. Reduced trigger processing time by 95% to sub-0.3sec. Reduced production incidents by 90%.
    • Built an engine for business actions to be automatically driven to users ingesting data input from different sources such as user actions, emails, document upload, API calls, Kafka events, and scheduled jobs.
    • Created and maintained automated CI/CD pipelines using Git, Buildkite, and SFDX. Refactored the existing monolithic implementation of Salesforce into an event-driven microservices architecture.
    Technologies: Salesforce, AWS, Apache Kafka, AWS Lambda, AWS DynamoDB, Docker, AWS API Gateway, Salesforce API, Amazon SQS, Node.js, Apex, APIs, Jira, Amazon SNS
  • Salesforce Technical Consultant

    2017 - 2018
    Self Employed
    • Customized a customer portal for TripAdvisor to handle customer requests.
    • Customized a national parks management portal for the government.
    • Developed a platform to manage franchises for HelloWorld.
    Technologies: Salesforce, APIs, Salesforce API, Apex, Jira
  • Salesforce Technical Lead

    2015 - 2017
    Open Colleges
    • Led the architectural direction, solution design, and technical leadership on our Salesforce platform.
    • Enforced software development best practices, improving overall systems reliability and reducing the number of critical issues.
    • Led the technical transformation of the platform to a microservices and event-driven architecture on Salesforce and AWS.
    Technologies: Salesforce, AWS, Node.js, AWS Lambda, AWS API Gateway, AWS DynamoDB, AWS Push Notification Service (AWS SNS), Salesforce API, Amazon SQS, Apex, APIs, Jira, Amazon SNS
  • Senior Salesforce Developer

    2014 - 2015
    SiteMinder
    • Developed the integration between Salesforce and the financial system used at SiteMinder.
    • Tracked and fixed bugs using Jira as a reporting tool.
    • Developed and maintained the Salesforce environment.
    Technologies: Salesforce, Apex, APIs
  • Senior Software Engineer

    2012 - 2014
    Bio-Rad Laboratories
    • Developed and maintained the Salesforce environment.
    • Developed the integration between Salesforce and a workforce management tool.
    • Administered the Salesforce platform for the users in EMEA.
    Technologies: Salesforce, C#
  • Software Engineer

    2010 - 2012
    FastBooking companies
    • Administered the Salesforce environment for users in France.
    • Integrated the Salesforce platform with our .Net back-end software used for managing hotel rooms.
    • Developed and maintained the business processes on Salesforce.
    Technologies: Salesforce, C#

Experience

  • Salesforce Monolith to Event-driven Microservices Architecture

    As the Salesforce team lead, I provided day-to-day management of the Salesforce team.
    • Championed the transition to Agile/Scrum methodology, achieving early delivery
    • Created and maintained automated CI/CD pipelines using Git, Buildkite, and SFDX
    • Refactored the monolithic implementation of Salesforce into an event-driven microservices architecture
    • Increased velocity and significantly reduced errors using validated standards and patterns
    • Improved incident resolution time ensuring 98% of tickets closed within SLA
    • Reduced trigger processing time by 95% to sub-0.3sec and production incidents by 90%

    • Enterprise-level architecture
    Allowed quick and efficient value delivery to the business through the development of event-driven microservices on Salesforce and AWS
    Processed spikes of 250,000 events on Salesforce and millions of events on AWS

    • Product focus
    Automatically driving business actions and workload to qualified business users
    Fully configurable engine for business owners to manage rules
    Ingesting data input from different sources such as user actions, emails, document upload, API calls, Kafka events, scheduled jobs, etc.
    Reduced back office processing time, improving home loan submission to settlement hours by 40%

Skills

  • Libraries/APIs

    Salesforce API, Node.js
  • Tools

    Amazon SQS, VS Code, Jira, AWS Push Notification Service (AWS SNS)
  • Platforms

    Salesforce, Apache Kafka, AWS Lambda, Docker
  • Other

    APIs, AWS API Gateway, Amazon SNS, AWS, EventBus, Miro, Coding, IT Projects
  • Storage

    JSON, AWS DynamoDB
  • Languages

    SQL, Apex, C#
  • Paradigms

    ITIL
  • Industry Expertise

    Project Management

Education

  • Master's Degree in Project Management
    2008 - 2009
    Macquarie University - Sydney, Australia
  • Master's Degree in Software Development
    2003 - 2008
    Epitech Paris - Paris, France

Certifications

  • AWS Certified Developer
    JUNE 2017 - JUNE 2020
    AWS
  • AWS Certified Solutions Architect
    JUNE 2017 - JUNE 2020
    AWS
  • Salesforce Certified Platform Developer II
    SEPTEMBER 2015 - PRESENT
    Salesforce.com
  • Salesforce Certified Advanced Administrator
    DECEMBER 2013 - PRESENT
    Salesforce.com
  • ITIL Foundation Certificate in IT Service Management
    NOVEMBER 2013 - PRESENT
    EXIN

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