{"handle":"mbelcastro","display_name":"Marcus Belcastro","headline":"Senior Software Engineer at Weel","bio":"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.","location":"British Columbia, Canada","company":"Instawork","role":"Mid-level Software Engineer","open_to":null,"languages":null,"skills":["Python Django","React","React Native","Next.js","AWS","Terraform","GraphQL","Postgres","MongoDB","Docker","Linux","DevOps/SRE"],"positions":[{"title":"Senior Software Engineer","company":"Weel","location":null,"start_year":2023,"start_month":null,"end_year":2026,"end_month":null,"description":"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."},{"title":"Mid-level Software Engineer","company":"Instawork","location":null,"start_year":2023,"start_month":null,"end_year":null,"end_month":null,"description":"Implemented product changes to enhance business user experiences and growth. Delivered a BI pipeline from backend to Salesforce and drove security initiatives."},{"title":"Co-Founder & Technical Lead","company":"Yora Settlements","location":null,"start_year":2019,"start_month":null,"end_year":2023,"end_month":null,"description":"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."},{"title":"Co-Founder & Technical Lead","company":"Western Sydney Software","location":null,"start_year":2022,"start_month":null,"end_year":null,"end_month":null,"description":"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."},{"title":"Software Developer","company":"Western Sydney University","location":null,"start_year":2022,"start_month":null,"end_year":null,"end_month":null,"description":"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."},{"title":"Software Developer & Linux Sysadmin","company":"MLC@Home","location":null,"start_year":2021,"start_month":null,"end_year":null,"end_month":null,"description":"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":[{"school":"Western Sydney University","degree":"Bachelor of Computer Science (Advanced) with Distinction","field_of_study":"Cyber Security","start_year":2019,"end_year":2021,"description":"GPA 6.7/7. ACS Accredited Professional."},{"school":"Wyndham College","degree":"Higher School Certificate","field_of_study":null,"start_year":2017,"end_year":2018,"description":"Band 6 student; completed university-level Physics 1 via WSU Access Program."}],"work_email":null,"phone":"+12505800315","calendar_url":null,"website_url":"https://marcusbelcastro.com","linkedin_url":"https://www.linkedin.com/in/marcus-belcastro-96628a1a1/","x_url":null,"github_url":"https://github.com/delta1513","locked":[],"contact_visibility":"open","unlock_price_cents":null,"call_price_cents":null,"accepts_hiring_messages":true,"work_verified":false,"work_verified_domain":null,"is_public":true,"owned":false,"created_at":"2026-10-27T23:19:09.886443Z","agents":[],"agent_count":0,"follower_total":0,"posts":[],"posts_total":0}