Leonel Machava

AI Engineer

ZOOMcatalog

Jan 2025 - Jun 2025 (6 months)

- Built an interactive mockup tool enabling users to drag and position logos on products using depth map estimation and computer graphics. - Implemented an AI-powered virtual try-on prototype with ACE++ to evaluate product mockups at scale. - Advised on deployment strategies and infrastructure trade-offs for AI models, helping the client balance performance and cost in early-stage experimentation.

A

Founder & Technical Lead

AppVise

Jan 2024 - Current (2 years 3 months)

Driving the development of an AI-driven no-code/low-code platform that lets users build web apps using natural language prompts and drag-and-drop tools.

Senior Software Engineer

Patron Technology

Jan 2022 - Jul 2023 (1 year 7 months)

- Contributed to the modernization of a no-code platform powering mobile apps for major events like Coachella, NHL and NY Comic Con. - Revamped key front-end modules using Vue.js and TypeScript for improved UX and performance. - Built an advanced interactive maps feature to enhance attendee navigation and event engagement. - Contributed to backend development with Django, supporting scalable APIs and data flows. - Collaborated across a distributed team, ensuring smooth integration and fast iteration in a high-paced environment.

P

Tech Lead

Pangaea

Jan 2021 - Apr 2023 (2 years 4 months)

As a Tech Lead, I was responsible for overseeing the architecture and development of a robust e-commerce platform, ensuring high performance and scalability to meet business demands. I collaborated closely with cross-functional teams, including growth and analytics, to implement features that enhanced user experience and drove revenue. Additionally, I played a key role in building APIs and services that integrated machine learning outputs, such as customer segmentation and recommendation models, to support data-driven marketing and personalization efforts, thereby enriching the platform's capabilities.

Senior Software Engineer

Toptal

Jan 2017 - Dec 2023 (7 years)

Worked on a variety of full-stack projects across multiple industries. Highlights include: - Led the architecture and development of a leasing platform for an innovative fintech startup, building the system from the ground up using Django and PostgreSQL. - Delivered scalable, secure APIs and admin tools supporting leasing workflows, credit checks, and document automation. - Contributed to other Django-based systems in domains such as health tech, event tech, and B2B SaaS. - Additionally, led and contributed to several projects involving or supporting machine learning, designing backend systems and APIs to deliver ML-powered features like credit scoring, fraud detection, and risk assessment. Built data pipelines and infrastructure to

Lead Software Engineer

Antena

Jan 2017 - Jan 2018 (1 year 1 month)

As Lead Engineer I managed a software team in upgrading a web platform and app with live streaming. Among other functions I led the development of multiple React components and back end features. I also trained the team in setting up and implementing new technologies, application security policies, and industry best practices. A few key achievements in this role include: ◆ Developed and executed a strategy to migrate data from the old database platform to a new one. ◆ Successfully led the team in migrating an old PHP streaming site to a modern one based on React. ◆ Designed a customized cross-browser library for audio streaming that efficiently handled both old and modern browsers. ◆ Integrated HTML5 audio APIs with React. ◆ Engineer

L

Lead Software Engineer

Loadtap

Jan 2016 - Jan 2019 (3 years 1 month)

A few key achievements in this role include: ✪ Architected a fault-tolerant and resilient real-time tracking solution that reached uptimes close to 100%. When high-volume traffic slowed down performance, quickly improved the solution architecture and implemented database-level details, which increased system speed. ✪ Developed a module for managing app documents with AngularJS for the front end and Node.js for the back end and stored them on Amazon Simple Storage Service (Amazon S3). ✪ Built a module integrated with Google Maps for real-time tracking using Redux and React for the front end and Node.js, RethinkDB, and Koa.js for the back end. ✪ Designed a module for invoicing with automated merging and creation of PDFs. ✪ Engineered abs

M

Senior Software Engineer (Manager)

MPDC Maputo Port Development Company

Sep 2015 - Jun 2020 (4 years 10 months)

A few key achievements in this role include: ✪ Delivered various strategic systems that reduced company costs, improved operational productivity, and increased company revenue and profit. ✪ Improved the software development and deployment process. ✪ Introduced modern practices, tools, and techniques that helped the team ship various modern systems. ✪ Designed and integrated software solutions and components with the internal enterprise resource planning (ERP) systems. ✪ Led the development of a tender management system that was completed and deployed within two months.

k

Lead Developer

keepy

Jan 2015 - Jan 2017 (2 years 1 month)

As Lead Developer I developed and maintained Android and iOS mobile apps and the back end for a network of 200,000+ active users. A few key achievements in this role include: ☛ Designed and implemented several new mobile app features. ☛ Maintained the apps up to date with current trends, practices, and platform versions. ☛ Introduced a strategy for setting up the mobile apps and back end to support multiple languages and enabled Japanese along with the existing English language.

M

Software Development Consultant

MPDC Maputo Port Development Company

Apr 2013 - Sep 2015 (2 years 6 months)

As Software Engineering Consultant I helped plan and manage software projects. A few key achievements in this role include: ✪ Architected and deployed a complex corporate budget management system within five months. ✪ Designed a system for equipment maintenance management. ✪ Built a customized framework on top of the Entity and ASP.NET web API frameworks. ✪ Implemented software development asset versioning with Git. ✪ Recoded all existing systems. ✪ Improved the software development process and workflow.

m

Software Engineer

mOASIS

Sep 2008 - Oct 2013 (5 years 2 months)

A few key achievements in this role include: ✪ Rebuilt the legacy software systems. ✪ Developed an innovative form designer tool, which reduced development time from six months to two weeks. ✪ Engineered a system for tracking cholera with SMS integration. ✪ Designed a concept for an Android-based mobile app for teledermatology. ✪ Identified unique ways for capturing and transmitting data in low resource environments. ✪ Helped create business continuity plans and information security policies.

Leonel Machava

About

Detail

Timeline

Résumé