Andre Possebom Garcia

Senior Full-Stack Software Engineer

Circle

Apr 2025 - Current (1 year 5 months)

Senior Full-Stack Software Engineer

BIG W

Oct 2021 - Apr 2025 (3 years 7 months)

• Engineered an AI-powered product recommendation engine using customer data and machine learning models, significantly increasing average order value and driving a measurable uplift in sales. • Developed and optimised the e-commerce platform (React/Next.js frontend), serving ~12M monthly visits (~400k daily) and maintaining its position as a top 5 shopping destination in Australia. • Built and scaled a search product indexer and API (TypeScript/JavaScript, NestJS microservices) to handle a substantial increase in data volume, supporting the launch of Big W Market - a third-party marketplace with partner products. • Designed and implemented a contactless pick-up appointment booking tool (TypeScript/JavaScript, Next.js, NestJS) during COVID-

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Chief Technology Officer

Mar 2020 - Oct 2021 (1 year 8 months)

• Led the migration of legacy systems (PHP, Ruby on Rails) to Serverless TypeScript/JavaScript applications on AWS, modernising the tech stack, reducing costs during idle periods and improving scalability. • Optimised infrastructure costs by 52% in 6 months through strategic resource allocation and adoption of AWS Serverless solutions. • Orchestrated a 3-month IT systems integration plan post-merger with LoanDolphin, completing the transition on time with zero downtime, ensuring seamless customer experience. Implemented an agile product development methodology to foster innovation, improve team focus, and accelerate delivery timelines. • Managed a distributed team of 12 across 5 countries, including designers, QA engineers, and developers,

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Lead Software Engineer

May 2017 - Mar 2020 (2 years 11 months)

• Designed and implemented a quick home loan auction system using TypeScript/JavaScript and AWS Serverless architecture, increasing conversion rates. • Developed an automatic bid feature that allowed banks and brokers to define rules for bid offers, increasing platform efficiency, engagement and customer satisfaction. • Mentored a team of software engineers in adopting AWS Serverless technologies, improving team productivity and reducing deployment downtime. • Scaled the platform database through sharding and horizontal scaling, enabling the system to handle an increase in users and loan offers. • Collaborated with cross-functional teams (product, sales, and operations) to align technical solutions with business goals, ensuring seamless use

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Full Stack Developer

LoanDolphin

Mar 2016 - May 2017 (1 year 3 months)

• First in-house software engineer, responsible for establishing the company’s technical foundation and building a scalable engineering culture. • Relocated to Sydney to build and lead a new software engineering team, growing the team to 5 distributed engineers within 6 months and fostering a collaborative, high-performance environment. • Migrated a monolithic PHP application to a modern three-tier architecture using AngularJS, VueJS, and Ruby on Rails API with PostgreSQL, improving system performance and enabling future scalability. • Collaborated with cross-functional teams (product, design, and operations) to align technical solutions with business goals, ensuring seamless user experiences.

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Mobile Developer

Oct 2015 - Mar 2016 (6 months)

• Built and delivered a new mobile app for UniLaSalle; • Cross-platform app for iOS, Android and Windows (Xamarin); • App allowed visitors to obtain more information including an interactive and dynamic 3D map using Beacons; • App allowed users to check scheduled classes and their progress ( integration with external API).

Co Founder and CTO

Aulalivre

Mar 2013 - Dec 2014 (1 year 10 months)

• Built the eLearning platform MVP version with +725k users and +2k videos; • YouTube channel with +80 million views and +1.1 million subscribers; • YouTube Edu key content partner; • Start-Up Brazil Program Winner;

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Co Founder and CTO

Into | Digital Experience

Nov 2009 - Oct 2015 (6 years)

• First own company; • Grown a business with no investments until to a successful software company supported by iLab ESPM business incubator; • Manage a team of 12 people; • Built and delivered +120 projects (mobile and web).

Senior Java Developer

Compass UOL

Mar 2008 - Nov 2009 (1 year 9 months)

- Technologies: Java; Oracle; MySQL; PL/SQL; Oracle Portal; Struts; TagLibs; - Overview: Compasso is a Brazilian company and Oracle Platinum Partner Cloud Standard, that acts on IT Professional Services market, promoting consulting and services to medium and big companies. - Activities: Development of web softwares in Java with Oracle; Development scripts in PL/SQL; Database maintenance in MySQL; Integration with payment gateways for eCommerces; Development in Oracle Portal; - Projects: - PUCRS: developed PUCRS's website with Oracle Portal and PL/SQL. This project was used for all university students and teachers. - Renner - developed campaign software, finance module, website, hotsites, module to online payment. I used Java and PL/SQL, Ora

Java Developer

Iprocess

Oct 2007 - Mar 2008 (6 months)

- Technologies: Java Web; Java Desktop; Oracle; - Overview: iProcess offers smart solutions to Process Management. With a lot of technical and business experiences, the company achieved excellence in all disciplines of Process Management. - Activities: Development of web and desktop softwares in Java with Oracle; Integration the new platform with a Indian framework; - Projects: SICRED ERP project. SICRED is a huge credit cooperative that has grown fast by the last years. My function in this project was programming all the use cases produced by the team of analysts. - Results: I helped to create some modules of ERP platform that got support for all company.

Junior Java Developer

TOTVS

Nov 2006 - Sep 2007 (11 months)

- Technologies: Java; Oracle; Sybase; SQL Server; - Overview: The TotalBanco was a consulting and software house focused on solutions for finance market. In 2009, the company was bought by TOTVS to incorporate in company's portfolio. - Activities: Development of web softwares in Java with Oracle, SQL Server and Sybase databases; Support to technical clients about questions and problems; - Projects: Unicred is a cooperative financial institution. I developed new features based in analyse documents and fixed bugs that were reported by the client. - Results: The platform grew since there and still working now. It supports more than 2000 customers from all over Brazil.

Andre Possebom Garcia

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