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Benjamin Morin

@benjaminmorin

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Software engineer at Sjo building a recommendation product with a custom user-understanding scoring engine.

Sweden

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What I'm looking for

I’m seeking entry-level or contract engineering roles, and I’m open to remote work and relocation anywhere.

At Sjo, I built and run a membership product that keeps a persistent preference profile across travel, dining, wardrobe, and lifestyle. I own the product, frontend, and backend, and designed its Total Understanding Engine to score how confidently it understands a user.

At Coelanox, I designed and built COELANOX, an end-to-end AI model deployment system in Rust, tested with ONNX, BERT, and ResNet models. I also implemented an x86_64 SIMD code-generation pipeline that improved performance about 3.2x over scalar execution, and open-sourced its packaging layer as CLF.

My independent work includes researching DeFi smart contract security, where I identified and documented two vulnerabilities with proof-of-concepts, and building a stock prediction and automated trading bot. I’m self-taught and have also founded and run ventures, bringing experience across technical execution, sales, marketing, and finance.

Experience

Work history, roles, and key accomplishments

Current

Founder & Software Developer

Current

Sjo

May 2026 - Present (5 months)

Built and run a membership product with a web app and Chrome extension, owning product, frontend, and backend solo. Designed a custom scoring engine with production tests.

Rust Python TypeScript Web Development Chrome extensions Product Management Backend Development Frontend Development

Current

Construction Worker (Part-time)

Current

Unknown

Jun 2024 - Present (2 years 4 months)

Part-time construction work alongside engineering projects since graduating.

AI Compiler Engineer (Solo)

Coelanox

Feb 2025 - Apr 2026 (1 year 2 months)

Designed and built COELANOX, an end-to-end AI model deployment system in Rust with a package-verify-run pipeline. Implemented x86_64 SIMD code generation, improving performance ~3.2x.

Rust SIMD Onnx BERT ResNet SHA 256 Ed25519 CI CD Fuzz Testing CLI Development

Independent Security Researcher

Self-employed

Apr 2023 - Apr 2025 (2 years)

Researched DeFi smart contracts, identifying and documenting two vulnerabilities with proof-of-concepts and case studies on exploit chains and remediation.

Smart Contract Auditing DeFi Access Control Input Validation Proxy Initialization Vulnerability Analysis

Independent Developer, AI Stock Trading Bot

Self-employed

Nov 2022 - Mar 2023 (4 months)

Designed and built a stock prediction and automated trading bot solo, gaining experience with model design and live markets.

Python Machine Learning Stock Forecasting Trading Bots Algorithm Design

Founder, Independent Juice Company

Independent Juice Company

Apr 2021 - Oct 2021 (6 months)

Ran production, quality, and customer demand as a solo operator; closed the business after about six months when demand outpaced ability to maintain quality.

Production Management Quality Control Customer Demand Analysis entrepreneurship