Bruno Leite's CV

• Email: contact@brunoleite.co
• Location: Garopaba, SC, Brazil
• Website: brunoleite.co
• LinkedIn: brunoconterleite
• GitHub: brunocleite

Summary

Senior solutions architect and CTO combining strategic leadership with hands-on engineering. Specialised in AI product‑driven cloud architectures and AI‑assisted development practices, designing scalable, reliable systems and leading teams that ship successful SaaS products. Has repeatedly proven, across multiple startups, engineering standards that let small teams deliver rapidly and reliably — with a near-zero defect rate and under budget.

Experience

Co-founder & CTO, octoATHLETE -- Bollington, UK (Hybrid)

July 2024 – present

• Lead the technology strategy and product direction of an AI‑powered athlete health-monitoring SaaS used by elite and grassroots sports teams.

• Architected a multi‑agent AI system on the Mastra framework with AWS Bedrock and OpenRouter LLMs, automating medical-staff workflows for professional sports teams.

• Designed an AI transcription pipeline with AWS Transcribe and NLP models that turns physiotherapist voice notes into structured medical data for injury prevention.

• Built an AI‑powered integration layer unifying Catapult performance metrics, VALD strength data and medical assessments into predictive injury-prevention insights.

• Established scalable LLM infrastructure on AWS (Bedrock, Lambda) with observability and workflow orchestration, processing thousands of athlete data points daily.

• Led a lean team of three engineers to deliver a production-grade AI SaaS platform in six months with a near-zero defect rate through rigorous architecture and code review.

Lead Software Engineer & Technical Architect, Gendo -- Remote

June 2024 – July 2025

• Established an AI‑assisted development methodology that enabled a 300%+ increase in developer productivity.

• Led a cross‑functional team of five developers as project leader, owning architectural design and implementation standards end to end.

• Drove strategic technical decision-making to keep solutions scalable and maintainable across all development initiatives.

• Set organisational standards for development practice, code quality and release process, reinforced through hands-on reference implementations and mentorship.

Development Lead, FalconHR -- Remote

Aug 2023 – Mar 2024

• Architected and built a multitenant next‑generation HR SaaS platform, classified as "very sophisticated" by AWS architects.

• Created a CI/CD pipeline able to deploy serverless applications together with their infrastructure in under ten minutes.

• Defined DynamoDB working guidelines following current single‑table design standards and designed a data ingestion pipeline built on DynamoDB streams.

• Delivered the entire project's infrastructure as code with AWS CDK and SST, and guided service selection across Lambda, Step Functions, Cognito, SQS and SNS.

• Established foundational code standards, testing methods and repository organisation, and hosted 50+ pair‑programming sessions to spread them across the team.

Full-stack Engineer, PLS Logistics Services -- Remote

Jan 2023 – Aug 2023

• Maintained and developed AI/ML components that automated document revision and invoice release, materially improving operational efficiency.

• Introduced new testing standards using Java, Spring and PostgreSQL, raising overall software quality and reliability.

• Refactored and modernised legacy components in a time‑sensitive environment, improving performance and reducing technical debt.

Cloud Architecture Consultant, Catalyst UX (An Unosquare Company) -- Remote

Aug 2022 – Jan 2023

• Defined and enforced project architecture, build, code and test standards for a Node.js, TypeScript and AWS CDK application.

• Built a shared library enabling other developers to create on-the-fly deployment pipelines with AWS CodePipeline, AWS CDK and TypeScript.

• Created unit-test standards for AWS CDK and AWS Lambda TypeScript components, plus build scripts and automated library releases via semantic‑release.

• Led a significant refactoring that improved adherence to AWS CDK standards and overall code organisation.

Senior Java Development Consultant, STEP -- Jersey (Remote)

Mar 2021 – Oct 2022

• Maintained and improved an application aggregating data from multiple banks to analyse investment strategies.

• Cut call times across the codebase by optimising SQL queries and JPA implementations.

• Split the project into microservices and created the GitHub Actions deployment jobs, Dockerfiles and server setup scripts behind it.

• Built an asynchronous background file processor using Amazon SQS and S3 to accelerate XLS uploads.

Senior Java Engineer (via Toptal), SWYP -- Remote

Sept 2021 – Mar 2022

• Maintained and improved a microservices deployment pipeline to Amazon ECS using Docker and CircleCI.

• Delivered fixes and improvements across Spring Boot microservices integrating Firebase, MySQL, AWS SQS and AWS S3.

Back-end Engineer, Shoshin Works -- Remote

Mar 2021 – Sept 2021

• Built an application for NASA to predict the future of aviation, feeding multi-source data through an NLP processor into predictive visualisations.

• Integrated SerpApi and the Zyte API to streamline data acquisition from Google services and raw HTML sources.

• Designed abstract Java components that made adding new external services straightforward, backed by Spring Data and MongoDB Atlas.

Java Software Engineer, Wearsafe Labs -- Remote

Jan 2019 – May 2021

• Developed Java AWS Lambda functions processing IoT messages from personal safety devices, with AWS IoT rules and Kinesis streams feeding them.

• Created a critical‑section locking mechanism to handle parallel device messages and prevent concurrent state corruption.

• Built a continuous-delivery strategy achieving zero‑downtime production deployments with rollback, plus an end‑to‑end test platform covering AWS IoT → Kinesis → Lambda → DB.

• Redesigned the database integration-test architecture, making tests up to five times faster with one third of the code.

• Eliminated duplicate message processing with Memcached on AWS ElastiCache and instrumented the API with AWS X‑Ray tracing.

Lead Software Architect, Dandelion Development -- Remote

July 2019 – Nov 2019

• Lead architect for an ERP-to-CRM integration with a data warehouse, defining the Spring Boot 2 project structure and building most of the application.

• Created the integration layer interacting with the ERP and CRM sides using the Spring 5 WebClient, and led two other developers.

• Established a test-case structure per code sector — controllers, database, entities — achieving 75%+ overall coverage.

Java Engineer, Project44 -- Remote

Jan 2018

Built integrations with logistics carriers on top of the P44 API, defining how external provider models mapped onto internal modelling, with unit and integration tests to current standards.

Java Lead Engineer (via Toptal), Aon Inpoint -- Remote

2017 – 2018

Architected a Java 8 / Spring Boot platform for surveys and benchmarking reports — REST services, a multi-language survey system, an email queue, JWT endpoint security and a Docker/CircleCI CI/CD pipeline.

Senior Java Software Engineer, IBM -- Porto Alegre, Brazil

2013 – 2015

Architected and developed Jakarta EE components (SOAP and REST, JPA, TDD, continuous delivery); set up cloud environments for the IBM Liquid crowdsourcing platform and led its development events; automated deployments and WebSphere management in Python.

Senior Java Software Engineer, ADP -- Porto Alegre, Brazil

2011 – 2012

Developed Java components for ADP's portal application with a focus on security, and contributed to migrating the portal platform to a PaaS model.

Education

Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS), BS in Computer Engineering -- Porto Alegre, Brazil

2005 – 2013

Publications

Guide to Spring Boot REST API Error Handling

Bruno Leite

www.toptal.com/developers/java/spring-boot-rest-api-error-handling (Toptal Engineering Blog)

Certifications

JavaScript Unit Testing — The Practical Guide

Oct 2022

Udemy

The Nuts and Bolts of OAuth 2.0

Aug 2022

Udemy

Reactive Microservices with Spring WebFlux

Aug 2022

Udemy

Understanding TypeScript — 2022 Edition

Aug 2022

Udemy

Java Reactive Programming

June 2022

Udemy

Oracle Certified Professional, Java SE Programmer

May 2011

Oracle

Skills

Languages: Java, TypeScript, JavaScript, Python, SQL, HTML, CSS

Cloud & Serverless: AWS (Lambda, DynamoDB, S3, Cognito, Step Functions, SQS/SNS, API Gateway, ECS, IoT, Bedrock, X‑Ray), Serverless, AWS CDK, SST, Terraform, Pulumi, Docker

AI Engineering: Large Language Models, RAG pipelines, Agentic AI, Amazon Bedrock, Mastra, AI‑assisted development, NLP, OCR

Frameworks: Spring Boot, Spring, Spring WebFlux, Spring Data JPA, Hibernate, Node.js, React, Angular, Jest, Vitest

Data & Storage: PostgreSQL, MySQL, MongoDB, Amazon DynamoDB, Amazon S3, Prisma

Practices: Solution Architecture, Event‑driven Architecture, Microservices, Test‑driven Development, CI/CD, DevOps, Code Review, Technical Leadership

Languages spoken: English (fluent), Portuguese (native)