Santiago Paiva

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About

Santiago Paiva

Profile & Skills

I am a Senior Software Developer based in Montreal, Canada, specializing in distributed systems, cloud infrastructure, and performance engineering. I have built geo-distributed blockchain testnets, automated cloud compliance and disaster recovery pipelines, and led open-source data platform development at institutions including Morgan Stanley and the Montreal Neurological Institute. I work primarily in Python and Go and am available for consulting engagements in distributed systems, cloud architecture, and backend development.

  • Languages: Python, Go, JavaScript, Bash, SQL, C
  • Distributed Systems: P2P Networking, RLNC, Ethereum, Geth, Prysm
  • Databases: PostgreSQL, MySQL, DynamoDB, Redshift
  • Cloud: AWS, Google Cloud, Linode, Docker, Ansible, Salt
  • Observability: Prometheus, Grafana, Google Cloud Monitoring
  • CI/CD: GitHub Actions, Docker, Make

Facts

Some KPIs about me:

12

Countries Visited

2-3

Cups of Coffee Per day

3.5

Languages Spoken

1

Dogs at home (a Pomeranian)

Resume

Senior Software Developer with 10+ years of experience across distributed systems, cloud infrastructure, and performance engineering at startups, big tech, and academic research institutions.

Experience

Senior Software Developer (Consultant)

Optimum
Apr 2024 — PresentMontreal, QC
  • Built and automated geo-distributed blockchain testnets across Google Cloud and Linode, supporting deployments of up to 100 nodes and a 23-node Flexnode test cluster.
  • Reduced cloud operating costs by decommissioning 72 unused test machines while preserving active development environments.
  • Automated cross-region disaster recovery and built distributed-network observability using Prometheus, Grafana, Google Cloud Monitoring, and Slack alerts.
  • Completed seven research spikes across Hyperliquid, Ethereum, Bitcoin, and BNB, evaluating transaction propagation, mempool behavior, and cross-region latency.

Senior Software Developer

Syntax Systems
Feb 2020 — Oct 2023Montreal, QC
  • Built “WebRunner”, a full-stack Flask application automating EC2 provisioning and enabling operators to manage AWS resources without console access.
  • Automated cross-region disaster recovery for client AWS environments, reducing restoration time from 4 hours to 20 minutes (92% reduction).
  • Developed cloud compliance automation with serverless AWS Lambda functions to alert, monitor, and optimize client infrastructure.
  • Optimized an EC2 provisioning pipeline and reduced provisioning errors by 20%.

Software Developer (Associate)

Morgan Stanley
Sep 2019 — Dec 2019Montreal, QC
  • Developed a Flask-based audit dashboard and automated validation system for identifying invalid eCommunications data feeds.
  • Prototyped a Python API to standardize and accelerate onboarding of new communication feeds.

Lead Software Developer

Montreal Neurological Institute (MNI)
2015 — 2017 & 2018 — 2019Montreal, QC
  • Architected and deployed a Flask-based open data portal indexing neuroimaging datasets for the Canadian Open Neuroscience Platform (CONP), including a large-scale data ingestion pipeline.
  • Led four developers across Canada and coordinated the Technical Steering Committee.

Services

I like working on data infrastructure applications around the following roles:

Software Development

Backend and full-stack development using Python, Go, Flask, FastAPI, and Vue.js. Specializing in distributed systems, P2P networking protocols, and high-throughput backend services.

Data Engineering

API design with FastAPI and Flask, large-scale data ingestion pipelines, ETL workflows, and open data platform development. Experience at academic research institutions and financial services.

Cloud & DevOps

Infrastructure automation across AWS and Google Cloud, blockchain testnet provisioning, disaster recovery pipelines, and observability stack setup with Prometheus and Grafana.

Contact

Location:

Montreal, Canada

Timezone:

Eastern Timezone (UTC−05:00)

Phone Number:

Available upon request

Montreal Olympic Stadium

Montreal Olympic Stadium. Photo by Amaury Traver.