Senior AI/Software engineer with 7 years of experience building Python-based backends, data pipelines, and LLM/RAG solutions for fintech and e-commerce. Engineered a Kafka-powered fraud detection service using TensorFlow, reducing false positives by 30%, and delivered semantic search over transaction data using LangChain-based approaches.

Deyvison Rodrigues da Silva

Senior AI/Software engineer with 7 years of experience building Python-based backends, data pipelines, and LLM/RAG solutions for fintech and e-commerce. Engineered a Kafka-powered fraud detection service using TensorFlow, reducing false positives by 30%, and delivered semantic search over transaction data using LangChain-based approaches.

Available to hire

Senior AI/Software engineer with 7 years of experience building Python-based backends, data pipelines, and LLM/RAG solutions for fintech and e-commerce. Engineered a Kafka-powered fraud detection service using TensorFlow, reducing false positives by 30%, and delivered semantic search over transaction data using LangChain-based approaches.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

English
Fluent
Portuguese
Fluent

Work Experience

AI/Backend Software Engineer at Ampliv(a)
February 1, 2023 - December 1, 2024
Modernized and scaled payment and ML platforms. Decomposed a Flask payments monolith into eight FastAPI microservices behind a Django JWT authentication gateway, reducing p95 latency by 40% and doubling peak throughput. Engineered a Kafka-driven fraud detection pipeline using Python and TensorFlow, reducing false positives by 30% while adding GDPR-compliant audit logging and traceability. Processed and optimized transaction datasets with Pandas and SQL for ML training, improving model precision by 15%. Designed an LLM-powered semantic search solution over transaction logs using LangChain and OpenAI embeddings to accelerate fraud investigation workflows. Developed and deployed real-time NLP inference APIs with FastAPI and Docker on AWS ECS, supporting 2,000+ requests per second with sub-100ms response latency.
AI/Backend Software Engineer at Ampliva
February 1, 2023 - December 1, 2024
Modernized a Flask payments monolith by decomposing it into eight FastAPI microservices behind a Django JWT authentication gateway, reducing p95 latency by 40% and increasing peak throughput by 2x. Engineered a Kafka-driven fraud detection pipeline using Python and TensorFlow, decreasing false positives by 30% and implementing GDPR-compliant audit logging and traceability. Processed and optimized transaction datasets with Pandas and SQL for model training, improving model precision by 15%. Designed and prototyped an LLM-powered semantic search solution for transaction logs using LangChain and OpenAI embeddings to accelerate fraud investigation and analysis. Developed and deployed real-time NLP inference APIs with FastAPI and Docker on AWS ECS, supporting over 2,000 requests per second with sub-100ms latency.
Senior Software Engineer - AI/ML at NALA
November 1, 2022 - May 1, 2025
Consolidated multiple Magento REST APIs through an Apollo GraphQL gateway built on Django ASGI, reducing response payload sizes by 30% and improving feature development speed by 25%. Developed automated inventory analytics workflows using MongoDB, Pandas, and Power BI, cutting weekly reporting time from 5 hours to 2 and adding nightly data validation. Integrated an NLP proof of concept using spaCy and SentenceTransformers for customer review analysis and product insight extraction, increasing recommendation accuracy by 12%. Built and tested LangChain-based AI agents to create an internal chatbot for inventory and pricing inquiries, reducing manual data retrieval efforts by 40%.
Software Developer at Truvio
November 1, 2020 - November 1, 2022
Developed an asynchronous FastAPI-based purchase order processing service with Celery workers, reducing reconciliation timelines from three days to same-day accuracy. Built a lightweight Express middleware layer for ERP integration and implemented spaCy-based NLP automation to extract data from supplier emails and generate purchase orders, reducing manual data entry by 85%. Implemented real-time inventory monitoring using WebSocket alerts and Slack slash commands, keeping stock-out rates below 2% across 1.8K SKUs. Designed and implemented a multi-stage CI/CD pipeline with Docker, Trivy, and semantic-release to automate testing, security scanning, and weekly deployment of ML prototypes and API services.
Junior Developer at Truvio
June 1, 2019 - November 1, 2020
Reengineered an Express checkout workflow into a Django-based API architecture with Redis caching, improving transaction performance and reducing average processing time by 15%. Built and automated nightly sales ETL pipelines using Python and openpyxl to load data into MongoDB, enabling advanced sales trend analysis with Pandas. Modernized legacy web pages by migrating them to React integrated with Django templates while introducing unit testing practices to establish a scalable foundation for future NLP-powered analytics dashboards.

Education

Postgraduate Diploma in Big Data Analytics and Business Intelligence at Estácio
June 1, 2024 - June 1, 2025
Bachelor of Science in Computer Programming for Specialized Applications at UNINASSAU
January 1, 2021 - June 1, 2023
Technical Certificate in IT Maintenance and Support at ETERAM
January 1, 2016 - January 1, 2018
Postgraduate Diploma in Big Data Analytics and Business Intelligence at Estácio
June 1, 2024 - June 1, 2025
Bachelor of Science in Computer Programming for Specialized Applications at UNINASSAU
January 1, 2021 - June 1, 2023
Technical Certificate in IT Maintenance and Support at ETERAM
January 1, 2016 - January 1, 2018
Postgraduate Diploma in Big Data Analytics and Business Intelligence at Estácio
January 1, 2024 - June 1, 2025
Bachelor of Science in Computer Programming for Specialized Applications at UNINASSAU
January 1, 2021 - June 1, 2023

Qualifications

Technical certificate in IT maintenance and support
January 1, 2016 - January 1, 2018

Industry Experience

Financial Services, Retail, Software & Internet