Leo is available for hire
Hire LeoLeo Alves
Verified Expert in Engineering
Software Developer
Location
Sydney, New South Wales, Australia
Toptal Member Since
July 15, 2019
Leo is a software engineer with a passion for solving hard problems and creating an impact while having fun. Leo loves everything to do with back-end development, infrastructure, containers, serverless technologies, and creating beautiful elegant solutions.
Portfolio
Adatree
Kotlin, Spring Boot, Java, Amazon Web Services (AWS), APIs, API Development...
News Revenue Hub (Toptal Client)
Salesforce, Salesforce DX, CumulusCI, Apex, JavaScript, Web Components...
Athena Mortgage
Salesforce, TypeScript, Salesforce Lightning, Apex, Salesforce API...
Experience
Availability
Part-time
Preferred Environment
Git, Visual Studio Code (VS Code), MacOS
The most amazing...
...project I've built is a Java message processor to handle back pressure from AWS Kinesis into Salesforce, reducing race condition error rate from 10% to 0.5%.
Work Experience
Principal Software Engineer
2021 - PRESENT
Adatree
- Designed and implemented many foundational features of a SaaS platform.
- Designed customer-friendly APIs to reduce the development burden for open banking participants.
- Developed and deployed infrastructure on AWS for customers in multi-tenant environments.
Technologies: Kotlin, Spring Boot, Java, Amazon Web Services (AWS), APIs, API Development, Architecture, REST APIs, API Integration, Spring
Software Engineer
2021 - PRESENT
News Revenue Hub (Toptal Client)
- Migrated and consolidated Salesforce metadata into a single unlocked package.
- Migrated the development to Salesforce DX, continuous integration, and automated pipelines.
- Led the development and migration of existing features to the source-based development in Salesforce.
Technologies: Salesforce, Salesforce DX, CumulusCI, Apex, JavaScript, Web Components, Lightning Components, HTML, CSS, Visualforce, APIs, API Development, Architecture, REST APIs, API Integration
Senior Software Engineer
2020 - 2021
Athena Mortgage
- Initiated, designed, and led the implementation of the payment platform.
- Championed full CD moving from bi-weekly to multiple daily deployments within the team; sanitized DevOps pipelines and optimized deployments using CloudFormation.
- Stepped up on security standards by applying the principle of least privilege to AWS and Salesforce.
- Created and maintained base deployment images, AWS roles, and groups.
Technologies: Salesforce, TypeScript, Salesforce Lightning, Apex, Salesforce API, Salesforce Community, Salesforce REST API, HTML, Visualforce, APIs, API Development, Architecture, REST APIs, API Integration
Senior Software Engineer
2019 - 2021
Writtio
- Built real-time integration service between MySQL and Firebase using Change Data Capture events.
- Replaced Minitest with RSpec and added a full suite of tests to the back end.
- Owned API back end and guarded technical implementation.
Technologies: Java, Ruby on Rails (RoR), TypeScript, CSS, APIs, API Development, Architecture, REST APIs, API Integration, Ruby, Spring
Senior Software Engineer
2019 - 2020
New10
- Built a Java message processor to handle backpressure from AWS Kinesis into Salesforce. The message processor reduced the race condition error rate from 10% to 0.5%.
- Designed and implemented processes in Salesforce for a fluid CRM from an internal and customer perspective.
- Integrated Salesforce in the overall microservices event-driven architecture.
- Led the adoption of SFDX and second-generation packaging.
Technologies: Java, Serverless, Node.js, Salesforce, Salesforce Lightning, Apex, Salesforce API, TypeScript, Salesforce Sales Cloud, Salesforce Community, Salesforce REST API, Spring
Software Engineer
2016 - 2019
Guidio
- Led the design and implementation of an API back end built on Salesforce and proxied through AWS.
- Spearheaded the refactoring of a monolith into microservices using domain-driven design (this is an ongoing project). Presented about it London’s Calling conference (Europe’s largest Salesforce developer conference) using SFDX and Packaging 2.0.
- Built custom integrations with multiple external systems to guarantee consistency between services.
- Developed multiple back-end services based on AWS and Salesforce using multiple technologies, such as Node.js, TypeScript, GraphQL, AppSync, and Serverless, among others.
Technologies: Amazon Web Services (AWS), GraphQL, Node.js, TypeScript, Salesforce, Salesforce Lightning, Apex, Salesforce API, Salesforce Sales Cloud, Salesforce Community, Salesforce REST API
Developer | Consultant
2013 - 2016
Appirio
- Worked as a technical lead for multiple projects, mentoring teams offshore and providing overall solution design.
- Spearheaded the implementation of a Salesforce app that received the award for the most innovative mobile solution in the ecosystem in 2016.
- Wrote Apex code for multiple projects in several industries like healthcare, insurance, financial services, travel, and entertainment.
- Integrated multiple types of software and services.
Technologies: JavaScript, Salesforce, Salesforce Lightning, Apex, Salesforce API, Salesforce Sales Cloud, Salesforce Community, Salesforce REST API
Experience
Home | Field Service Management
I led the design of the Salesforce Field Service Lightning solution of one of the largest FSL implementations in Europe.
Most Innovative Mobile Solution in 2016
I developed a back-end application to generate documents for a mobile app built on Salesforce.
MessageBird Salesforce Library
I developed a library to connect with the MessageBird platform.
Skills
Languages
Apex, SOQL, JavaScript, APEX Code, TypeScript, Java, GraphQL, HTML, CSS, Kotlin, Ruby, Python
Frameworks
Lightning Components, Spring Boot, Visualforce, Spring, Ruby on Rails (RoR), Django
Libraries/APIs
Salesforce API, Salesforce REST API, API Development, REST APIs, Node.js
Tools
Salesforce DX, Salesforce Sales Cloud, Git
Paradigms
Agile
Platforms
Salesforce, Amazon Web Services (AWS), Visual Studio Code (VS Code)
Other
Salesforce Lightning, Back-end, Customer Relationship Management (CRM), Salesforce Apex, Code Review, Source Code Review, Architecture, API Integration, Certified Salesforce Administrator, Salesforce Community, Finance, Interviewing, Technical Hiring, APIs, Serverless, Open Banking APIs, CumulusCI, Web Components
Education
2011 - 2012
Master's Degree in International Business Management
Griffith College Dublin - Dublin, Ireland
2006 - 2010
Bachelor's Degree in Business
Mackenzie Presbyterian University - São Paulo, Brazil
Certifications
OCTOBER 2017 - PRESENT
Salesforce Certified Identity and Access Management Designer
Salesforce
MAY 2017 - PRESENT
Salesforce Certified Field Service Lightning
Salesforce
FEBRUARY 2017 - PRESENT
Salesforce Certified Application Architect
Salesforce
FEBRUARY 2017 - PRESENT
Salesforce Certified System Architect
Salesforce
JANUARY 2017 - PRESENT
Salesforce Certified Service Cloud Consultant
Salesforce
JANUARY 2017 - PRESENT
Salesforce Certified Sales Cloud Consultant
Salesforce
JANUARY 2017 - PRESENT
Salesforce Certified Community Cloud Consultant
Salesforce
OCTOBER 2016 - PRESENT
Salesforce Certified Platform App Builder
Salesforce
JUNE 2016 - PRESENT
Salesforce Certified Sharing and Visibility Designer
Salesforce
JUNE 2016 - PRESENT
Salesforce Certified Mobile Solutions Architecture Designer
Salesforce
APRIL 2016 - PRESENT
Salesforce Certified Development Lifecycle and Deployment Designer
Salesforce
APRIL 2016 - PRESENT
Salesforce Certified Integration Architecture Designer
Salesforce
APRIL 2016 - PRESENT
Salesforce Certified Data Architecture & Management Designer
Salesforce
JULY 2015 - PRESENT
Salesforce Certified Platform Developer I
Salesforce
JULY 2015 - PRESENT
Salesforce Certified Platform Developer II
Salesforce
DECEMBER 2012 - PRESENT
Salesforce Certified Advanced Administrator
Salesforce
NOVEMBER 2012 - PRESENT
Salesforce Certified Administrator
Salesforce