Freelancers using TypeScript in OttawaFreelancers using TypeScript in Ottawa
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Jonathan Ojangole's avatar
Jonathan Ojangole
Ottawa, Canada
AI/ML | Backend Software Engineer
AI/ML | Backend Software Engineer
Cover image for AI-Driven Ad Compliance System
AI-Driven Ad Compliance System
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Cover image for Order Management System
Order Management System
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Cover image for Employee Conference Planner App
Employee Conference Planner App
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TypeScript(1)
Michael Edou's avatar
Michael Edou
pro
Gatineau, Canada
Professional software engineer help a business scale 73% up
New to Contra
Professional software engineer help a business scale 73% up
Cover image for At Shopify, I led development
At Shopify, I led development of an AI-powered merchant analytics dashboard using LangChain + Claude API, enabling natural language queries over $2B+ in annual transaction data. Architected GraphQL federation across 14 microservices, cutting frontend load from 3.1s to 740ms. #Shopify #GraphQL #AI #TypeScript
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Cover image for Heavenkeys Ltd. — Vetted Partner
Heavenkeys Ltd. — Vetted Partner Network & Delivery Portfolio We design high-level technical strategies and assemble elite, vetted delivery teams to solve complex challenges at the intersection of technology, behavioral science, and regulated systems. 16 vetted delivery partners | 5,000+ team members | 400+ projects delivered | 30+ industries Enterprise clients: AT&T, Microsoft, Google, BMW, Verizon, Shell, Honeywell, Toyota, BlaBlaCar, HubSpot, KFC, Burger King, SAP, Rolls-Royce, Atlassian, Societe Generale & more. business@heavenkeys.ca | 819-510-0525 | BN: 752441949
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Cover image for Built a real-time fraud detection
Built a real-time fraud detection engine at Meridian FinTech (Python, Scikit-learn, Kafka) that reduced fraudulent transactions by 43%, saving $1.2M in year one. Also led a zero-downtime migration of core banking APIs to AWS Lambda + API Gateway, cutting server costs by 55% and p99 latency from 820ms to 94ms. #FinTech #Python #AWS #MachineLearning
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Cover image for Built NeuraChat — a multi-tenant
Built NeuraChat — a multi-tenant AI conversational platform with context-aware memory, RAG pipelines, and MCP tool extensibility. Powers 50K+ simultaneous users using Python, LangChain, GPT-4, FastAPI, React, Redis, and AWS. #AI #LLM #RAG #Python #FastAPI
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TypeScript(1)