Marcus Belcastro

Senior Software Engineer at Weel

Handle

@mbelcastro

Role

Mid-level Software Engineer

Company

Instawork

Location

British Columbia, Canada

About

I am a full-stack software engineer focused on product features, infrastructure, cloud delivery, and DevOps/SRE. I build backend services and applications with Python and work with AWS and related infrastructure. I am interested in Nuclear, Quantum, Chip Manufacturing, Particle Physics, and Photonics.

Experience

• Senior Software Engineer at Weel
  2023 to 2026
  Full-stack development in fintech, focused on product features, ISO/SOC, and DevOps/SRE. Led zero-downtime upgrades and created the DevOps function and team.
• Mid-level Software Engineer at Instawork
  2023 to now
  Implemented product changes to enhance business user experiences and growth. Delivered a BI pipeline from backend to Salesforce and drove security initiatives.
• Co-Founder & Technical Lead at Yora Settlements
  2019 to 2023
  Co-founded and built a cryptocurrency trading platform end-to-end. Designed Python backend micro-services, managed contractors, owned four REST APIs, and implemented security, testing, SQL hosting, and AWS administration.
• Co-Founder & Technical Lead at Western Sydney Software
  2022 to now
  Built serverless backends in Python on AWS and provided security consulting and automation solutions for clients. Managed contractors and authored proposals and plans for tenders.
• Software Developer at Western Sydney University
  2022 to now
  Delivered a Unity C# application with feature and unit testing. Built a Laravel REST API with SQL backend and handled Linux system administration and deployments.
• Software Developer & Linux Sysadmin at MLC@Home
  2021 to now
  Contributed to machine learning validity research using distributed HPC. Improved C++ training code, optimized Python orchestration code, managed SQL and MongoDB, and published an on-disk radix tree validation library.

Education

• Western Sydney University
  Bachelor of Computer Science (Advanced) with Distinction, Cyber Security
  2019 to 2021
  GPA 6.7/7. ACS Accredited Professional.
• Wyndham College
  Higher School Certificate
  2017 to 2018
  Band 6 student; completed university-level Physics 1 via WSU Access Program.

Skills

• Python Django
• React
• React Native
• Next.js
• AWS
• Terraform
• GraphQL
• Postgres
• MongoDB
• Docker
• Linux
• DevOps/SRE

Links

• Website
• LinkedIn
• GitHub

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