Available for senior backend & AI engagements

Ede Dizon

Senior Full-Stack Software Engineer with 12+ years shipping distributed systems, Python backends, and AI agents for fintech, banking, and enterprise platforms - currently at Apex Fintech Solutions.

PythonFastAPILangChainKafkaPostgreSQLAWSAI Agents
12+
Years building
5
Companies
16
Shipped projects
10M+
Users served

Selected work

Projects

Surfaces I've owned end-to-end across fintech, banking, vehicle telemetry, and large-scale content platforms.

AFX
Apex Fintech · AI & LLM

AI Compliance Investigation Agents

06/2024Present

Designed multi-step LangChain/LangGraph agents that investigate transaction alerts, review customer profiles, and produce audit-ready narrative reports for bank compliance teams - directly cutting manual analyst workload on BSA/AML reviews.

  • Python
  • LangChain
  • LangGraph
  • LangSmith
  • OpenAI GPT-4
  • Anthropic Claude
  • FastAPI
  • Pydantic
  • PostgreSQL
  • AWS Bedrock
AFX
Apex Fintech · Fintech

Financial Data Provider Integrations

06/2024Present

Built resilient Python ingestion services integrating 10+ financial data providers via REST and webhook APIs - Pydantic validation, idempotent processing, retries, and structured error handling for transaction data, KYC records, and AML alert feeds.

  • Python
  • FastAPI
  • Pydantic
  • asyncio
  • aiohttp
  • Celery
  • PostgreSQL
  • Redis
  • AWS
  • REST APIs
  • Webhooks
T
Tesla · Backend

Vehicle Telemetry Backend

10/202205/2024

Built async Python FastAPI microservices ingesting hundreds of millions of daily vehicle sensor events. Pydantic schema validation, asyncio I/O, and horizontal scaling on AWS EKS for large-scale telemetry analytics.

  • Python
  • FastAPI
  • asyncio
  • Pydantic
  • AWS EKS
  • Kubernetes
  • PostgreSQL
  • Redis
  • Docker
  • Helm
T
Tesla · AI & LLM

LLM Telemetry Insights

10/202205/2024

Developed LLM-powered internal tools over structured vehicle telemetry - natural-language querying of sensor metrics and automated anomaly insight generation, reducing time engineers spent interpreting trend data by ~30%.

  • Python
  • LangChain
  • OpenAI API
  • FastAPI
  • Pandas
  • NumPy
  • PostgreSQL
  • vector embeddings
  • RAG
T
Tesla · Distributed Systems

Kafka Vehicle Alert Pipelines

10/202205/2024

Designed Kafka event-driven data pipelines with idempotent consumers, exactly-once semantics, and dead-letter routing - enabling millisecond-latency propagation of critical vehicle alerts across distributed backend services.

  • Python
  • Apache Kafka
  • AWS Kinesis
  • asyncio
  • Celery
  • PostgreSQL
  • Docker
  • Kubernetes
  • distributed tracing
BoA
Bank of America · Backend

Enterprise Banking APIs

02/202110/2022

Built Python FastAPI/Flask backend services for enterprise banking data APIs processing millions of daily transactions - multi-tenant PostgreSQL schemas, Pydantic validation, JWT auth, RBAC, and OpenAPI docs.

  • Python
  • FastAPI
  • Flask
  • Pydantic
  • SQLAlchemy
  • PostgreSQL
  • JWT
  • OAuth2
  • OpenAPI
  • Docker
  • AWS
BoA
Bank of America · AI & LLM

RAG Compliance Document Analysis

02/202110/2022

Developed LLM-powered compliance document analysis with LangChain and OpenAI - RAG pipelines over FAISS for regulatory document retrieval, automated summarization, and semantic search, reducing manual review workload ~35%.

  • Python
  • LangChain
  • OpenAI API
  • FAISS
  • FastAPI
  • Pydantic
  • PostgreSQL
  • Hugging Face Transformers
  • Docker
BoA
Bank of America · Distributed Systems

Real-Time Fraud Detection Pipeline

02/202110/2022

Built Kafka event-driven pipelines for real-time transaction propagation - idempotent consumers, exactly-once semantics, dead-letter routing, and millisecond-latency fraud detection event delivery to downstream Python services.

  • Python
  • Apache Kafka
  • FastAPI
  • Celery
  • PostgreSQL
  • Redis
  • Docker
  • Kubernetes
  • structured audit logging
IW
Imperial Western · Backend

Manufacturing Operations Platform

04/201402/2021

Built Python Django/Flask backend services for a manufacturing operations platform serving 50,000+ daily users - REST APIs, multi-domain PostgreSQL schemas, JWT auth, and integrations with 10+ data providers and logistics APIs.

  • Python
  • Django
  • Flask
  • SQLAlchemy
  • PostgreSQL
  • REST APIs
  • JWT
  • UPS/FedEx/USPS APIs
  • React.js
IW
Imperial Western · Data Engineering

PostgreSQL Schema Optimization

04/201402/2021

Designed and tuned PostgreSQL schemas across 7 years of iterative growth - normalization, composite indexing, window-function reporting queries, and pgBouncer pooling, cutting report generation from 5 minutes to 30 seconds on multi-million-row datasets.

  • PostgreSQL
  • SQLAlchemy
  • pgBouncer
  • window functions
  • composite indexes
  • query planning
  • Python
IW
Imperial Western · Distributed Systems

Celery ERP Task Pipelines

04/201402/2021

Built distributed async task pipelines using Celery and RabbitMQ - retries with exponential backoff, dead-letter queues, and idempotent handlers for ERP synchronization, batch reporting, and logistics integrations.

  • Python
  • Celery
  • RabbitMQ
  • Django
  • PostgreSQL
  • Redis
  • exponential backoff
  • dead-letter queues
IW
Imperial Western · AI & LLM

ML Demand Forecasting

04/201402/2021

Developed ML workflows with Pandas, NumPy, and scikit-learn for demand forecasting and inventory optimization - served model outputs through REST endpoints powering real-time predictive insights in operational dashboards.

  • Python
  • scikit-learn
  • Pandas
  • NumPy
  • Flask
  • PostgreSQL
  • REST APIs
  • feature engineering
IW
Imperial Western · Data Engineering

Airflow ETL Pipelines

04/201402/2021

Built ETL data pipelines with Python and Apache Airflow - multi-source ingestion from REST APIs and database change events into PostgreSQL and Elasticsearch with validation, deduplication, and automated quality alerting.

  • Python
  • Apache Airflow
  • PostgreSQL
  • Elasticsearch
  • REST APIs
  • ETL
  • data validation
  • dbt
G
Google · Backend

Content Platform Backend

04/200903/2014

Built Python backend services and REST APIs for content management platforms serving 10M+ monthly users - owned features end-to-end from PostgreSQL schema design through production deployment at global scale.

  • Python
  • Django
  • REST APIs
  • PostgreSQL
  • MySQL
  • Memcached
  • GCP
  • structured logging
  • SLA monitoring
G
Google · Data Engineering

BigQuery Analytics Pipelines

04/200903/2014

Built BigQuery and Hadoop MapReduce data pipelines for large-scale analytics - ETL workflows with validation and error handling, plus Memcached caching that cut MySQL query load 60% and retrieval latency from 300ms to 50ms.

  • Python
  • BigQuery
  • Hadoop MapReduce
  • MySQL
  • Memcached
  • ETL
  • GCP
  • Cloud Monitoring
G
Google · AI & LLM

Semantic Search Experiments

04/200903/2014

Implemented early LLM and semantic-search experiments using TensorFlow and Elasticsearch - trained embedding models on structured content and indexed vectors for semantic retrieval, prototyping natural-language content discovery features.

  • Python
  • TensorFlow
  • Elasticsearch
  • embeddings
  • semantic search
  • GCP
  • structured logging

Career

Recent work

  1. AFX

    Senior Software Engineer

    · Apex Fintech
    Jun 2024 — Present

    Shipping Python backends and LangChain/LangGraph compliance agents for BSA/AML automation.

  2. T

    Senior Software Engineer

    · Tesla
    Oct 2022 — May 2024

    FastAPI telemetry services on EKS, Kafka pipelines with exactly-once semantics, and LLM tools over sensor data.

  3. BoA

    Senior Web Developer

    · Bank of America
    Feb 2021 — Oct 2022

    Multi-tenant banking APIs, RAG over compliance docs with FAISS, and real-time fraud detection on Kafka.

  4. IW

    Senior Application Developer

    · Imperial Western
    Apr 2014 — Feb 2021

    Django/Flask manufacturing platform for 50K+ daily users, PostgreSQL tuning, Celery pipelines, ML forecasting, Airflow ETL.

  5. G

    Software Engineer

    · Google
    Apr 2009 — Mar 2014

    Backend services for content platforms at 10M+ MAU; BigQuery/Hadoop pipelines; early embedding-based semantic search.