Skip to content SOLUTIONS ARCHITECT · SOFTWARE ENGINEER
Software architecture, engineering and AI for systems that need to work. I'm Leandro Rodrigues Jácome, a solutions architect and full stack developer based in Goiânia, Brazil. I have over 25 years of experience across finance, government, insurance, retail, healthcare and education, from design through implementation and operations.
Goiânia, Brazil · remote work
01 / Specialties
Breadth with hands-on depth. Solutions architecture Java & Spring .NET & Azure Go Node.js & TypeScript Python & data Ruby on Rails Applied AI Cloud & DevOps C/C++
02 / Selected work
Work and decisions Project dates are shown only when confirmed. Some work was delivered through employers for the named clients.
01 Paola · Grupo Pão de Açúcar Go · Vertex AI · Firestore · Pub/Sub
Context Sommelier assistant accepting photos, voice and text, with store-aware recommendations. My contribution At Capgemini, I designed the Google Cloud architecture and built Go streaming and orchestration services. Delivery Vertex AI, RAG, Firestore and price integrations; Pub/Sub invalidated reused answers. The client reported kiosk use, stability and accurate responses. 02 Simple2U and Favela Seguros · Grupo MAG .NET · Azure Functions · Service Bus · Cosmos DB
Context Insurance products needing shared capabilities under uncertain demand. My contribution I designed the project and implemented much of the .NET and Azure Functions solution. Delivery Reusable services, Service Bus messaging, Cosmos DB duplicate control, DLQ and retry, plus CI security checks. 03 Banking APIs · Bradesco Java · Spring Boot · REST · SOAP
Context Integration between digital banking and legacy systems. My contribution At Capgemini, I developed Java/Spring Boot APIs and REST, RPC and SOAP integrations. Delivery Service contracts and integrations connecting legacy and newer applications. 04 Internal AI · Bradesco Bedrock · RAG · AWS Lambda
Context AI integrated with banking services and corporate data. My contribution I contributed to components and integrations of the internal solution. Delivery Amazon Bedrock, RAG and AWS Lambda components integrated into the banking context. 05 Financial platform · POUPEX Java · WebFlux · Kubernetes · AWS
Context Ombudsman, real estate valuation, consortium and credit systems. My contribution I built Java/Spring Boot/WebFlux APIs and microservices, with a reactive testing ecosystem. Delivery Financial services and integrations delivered with Kubernetes/AWS and Jenkins. 06 Pension processes · POUPEX Ruby on Rails · React · React Native
Context Rails monolith with synchronous processing. My contribution I modernized the monolith, extracted React and React Native clients, and optimized message processing. Delivery Horizontally distributed Rails APIs and a move to event-driven processing. 07 Higher Education Census · INEP Python · PyTorch · MongoDB · Airflow
Context Rules changed by year and institution type. My contribution I worked on pattern identification and rule generation using Python, SQL and PyTorch. Delivery Rules stored in MongoDB and validated in Airflow-orchestrated microbatches. 08 CTA · INEP Ruby on Rails · Angular
Context Internal quality control platform for higher education institutions. My contribution I completed Rails features, integrated Angular with the API and refined business rules. Delivery Features completed and the platform stabilized. 09 Data platform · SEFAZ-AL PySpark · BigQuery · Dataproc · Airflow
Context Public-sector data engineering and integration. My contribution I worked on architecture, proofs of concept, code analysis and mentoring. Delivery Technical components and guidance for Python/PySpark processing on Google Cloud. 10 Data modernization · Enel Azure Databricks · Azure Functions
Context Migration from Cloudera to Azure. My contribution I supported migration design and data organization. Delivery Design using Databricks, Azure Functions and bronze, silver and gold layers. 11 Public services · Fóton Java · Quarkus · AKS
Context Legacy platform modernization. My contribution I designed Java/Quarkus microservices and Azure Service Bus integration. Delivery Technical design and containerized solution for AKS delivery. 12 Fóton Arch Linux C · C++ · Linux
Context Internal COBOL/Linux development environment. My contribution I created a professional Arch Linux-based distribution with C/C++ components and company-specific controls. Delivery Distribution prepared for the internal development environment. 13 Government platforms · Basis Java · Apache Camel · Docker
Context Evolution of Java EE systems. My contribution I designed modernization and REST/SOAP integrations with Apache Camel. Delivery Technical models and integrations connecting government services. 14 Azure applications · Grupo Bimbo .NET · AKS · Azure Functions
Context Evolution of corporate applications. My contribution I supported .NET components, integration and technical decisions. Delivery Contribution to maintenance and evolution on AKS and Azure Functions. 15 Authentication platform · public institution Rails · OAuth · React · Active Directory
Context Rails app with embedded Angular, OAuth and Active Directory. My contribution I helped separate Rails API-only and React, reorganizing routes and data access. Delivery Decoupled backend and frontend with authentication and authorization rules. 16 Corporate applications · Sigla .NET · WCF · Oracle · SQL Server
Context Construction company systems and integrations. My contribution I designed and implemented .NET/ASP.NET Web Forms applications and SOAP/WCF integrations. Delivery Applications and service communication using Oracle and SQL Server. 17 Ledger · independent project .NET 10 · software architecture
Context Software architecture technical challenge. My contribution I implemented a .NET 10 solution with public source code. Delivery Independent project available on GitHub; it was not a client engagement. View source code ↗ 18 Industrial integration · Friboi C · C++ · RPC
Context Reading industrial scale data for a load application. My contribution I built C/C++ serial data reading and RPC transmission. Delivery Connected the equipment to the load application. 19 Communications · Brasil Telecom / Telegoiás C · C++ · COBOL
Context Tower communications and internal applications. My contribution I built C/C++ modules integrated with COBOL platforms. Delivery Communication and integration modules delivered. 20 Legal analysis · CodeSpec AI · document processing
Context Application for analyzing legal briefs, rulings and court decisions. My contribution I develop AI features and integrations to estimate settlement and favorable-outcome probabilities. Delivery Application in development, combining document processing and foundation models with business data. 21 Cloud applications · CodeSpec Docker · Kubernetes · Terraform · AWS · GCP
Context Applications and integrations for clients across sectors. My contribution I deliver containerized and serverless components and contribute to provisioning and CI/CD. Delivery Infrastructure and delivery components tied to applications. 22 Hybrid modernization · SEFAZ-SP TOGAF · Rancher · Azure · AWS
Context On-premises Docker Swarm services and data platform modernization. My contribution I aligned platform, development, network and security teams and proposed a hybrid, multicloud architecture approved by the client's board. Delivery Selective modernization with Rancher, Azure/Databricks and AWS Lambda; the described changes reached production over two years. 23 Financial BPO platform · Helpers Node.js · Koa · React · AWS
Context Financial platform built by a five-developer team. My contribution I implemented a Node.js/Koa backend, React app and React Native features, and automated environments. Delivery Platform components and provisioning and deployment flows implemented. 03 / Experience
Professional history CodeSpec Full Stack Developer Jun 2026–present Capgemini Solutions Architect Oct 2021–May 2026 Grupo MAG Full Stack Developer Nov 2020–Oct 2021 Fóton Informática Solutions Architect Jun 2020–Nov 2020 POUPEX Full Stack Developer Dec 2017–Jun 2020 Basis Tecnologia Solutions Architect Mar 2017–Dec 2017 Helpers Full Stack Developer Sep 2016–Mar 2017 IS Saúde Technical Lead May 2016–Sep 2016 CRECI PR Full Stack Developer Dec 2015–May 2016 Sigla Construtora Solutions Architect May 2008–Dec 2015 Inove Terceirização Technical Lead Oct 2007–May 2008 Sicoob Full Stack Developer Jul 2006–Oct 2007 Bamboo Full Stack Developer Oct 2005–Jul 2006 Blackdrop Full Stack Developer Apr 2005–Oct 2005 Web do Brasil Full Stack Developer Dec 2003–Apr 2005 All Risks Full Stack Developer Mar 2003–Dec 2003 Agência Ponto Criativo Full Stack Developer Sep 2002–Mar 2003 EMPLOYERS & CLIENTS
Organizations along the way Employers and clients served through consulting engagements are identified separately.
CodeSpec Employer
Capgemini Employer
Grupo MAG Employer
Sicoob Employer
Bradesco Client
BTG Pactual Client
Grupo Pão de Açúcar Client
SEFAZ-AL Client
SEFAZ-SP Client
PROCERGS Client
Aegon Client
Prudential Client
Lenovo Client
Porto Seguro Client
Enel Client
Grupo Bimbo Client
Friboi Client
Fóton Informática Employer
Basis Tecnologia Employer
SI Sigla Construtora Employer
IN Inove Terceirização Employer
AG Agência Ponto Criativo Employer
04 / Education
Education Postgraduate studies in Data Science · PUCPR · 2024–2025 Postgraduate studies in Software Architecture and Cloud Engineering · PUCPR · 2022–2023 Postgraduate studies in Cybersecurity · PUCPR · 2021–2022 Technology degree in Systems Analysis and Development · Senac · 2020–2022 Technology degree in Public Management · Senac · 2017–2019 Technology degree in Small and Medium Business Management · Universidade Salgado de Oliveira · 2010–2012 Technology degree in Networks and Internet · UNIP · 2007–2009 05 / Certifications
Certifications AWS Certified Cloud Practitioner AWS Certified Solutions Architect – Associate Google Associate Cloud Engineer OCI Foundations Associate OCPJP PSM I PSPO I 06 / PDF
PDF resumes Choose a profile. Each PDF is available in Portuguese and English.
Solutions architecture AI C/C++ Data engineering DevOps .NET Go Java Node.js Python Ruby on Rails 