Mustafa Zahid

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Ai Model Training

Habitat (Stealth Startup)

Jan 2026 - Current (9 months)

• Working as a contractor with a stealth-stage AI startup to train and evaluate large language models for leading AI labs including Anthropic and OpenAI.
• Contributing to model fine-tuning, RLHF pipelines, and code-generation benchmarking using Habitat's specialized coding environment (code.habitat.inc).
• Providing expert code review and feedback used directly in model training datasets, improving model performance on complex software engineering tasks.

Software Engineer / Ai Contributor

AfterQuery Experts

Sep 2025 - Current (1 year 1 month)

• Contributed to Harbor and Terminal Bench, internal tooling products powering AfterQuery's AI evaluation infrastructure.
• Played a key role in building and launching IDE-Bench (ide-bench.com), a public multi-language benchmark for evaluating AI agents on real-world software engineering tasks — a major milestone for the team.
• Worked on Project Puzzle, contributing to benchmark design, evaluation pipelines, and data quality processes that underpin IDE-Bench's leaderboard and trajectory analysis.
• Collaborated with a distributed team to ensure benchmark integrity, reproducibility, and coverage across multiple programming languages

Software Engineer

Dechains

Mar 2025 - Current (1 year 7 months)

• Designed and developed smart contracts in Solidity, including ERC-4626 vaults and staking logic with auto-compounding and external protocol integrations.
• Reduced MongoDB infrastructure costs by ~80% through connection pooling, optimizing queries, and proper indexing strategies.
• Built a shared Web & Mobile DeFi app using React Native, Trax Finance, also live on App Store and Play Store.

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Software Engineer

MarketX Pro Tech (Trading Company)

Mar 2025 - Current (1 year 7 months)

• Built the core backend for a trading application using Node.js, Express, and AWS Lambda (serverless architecture).
• Worked with the client's team to deliver the MVP, which will be showcased at Token2049 Singapore.

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Software Engineer

Sniping Bot

Mar 2025 - Current (1 year 7 months)

• Built a low-level liquidity watcher on Solana and Ethereum to monitor when liquidity was added to new tokens and instantly present a Buy button to group members, allowing them to access tokens at the earliest possible moment and at a better rate than manual buys.

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Software Development Engineer

SYCH

Sep 2024 - Mar 2025 (7 months)

• Architected and developed scalable REST APIs following a microservices architecture in Python using FastAPI; leveraged the Unit of Work pattern to ensure data consistency and maintainability across AI processing pipelines.
• Designed a distributed counting mechanism that handled millions of AI prediction runs, reducing database load by 95% through optimized cron jobs and strategic PostgreSQL partitioning.
• Containerized microservices using Docker, streamlining deployment and improving scalability of the AI inference layer across environments.
• Built interactive frontend UIs with Next.js and React, ensuring application stability through comprehensive end-to-end tests with Playwright and unit tests with Jest.
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Software Engineer

Habib Bank AG Zurich

Apr 2024 - Sep 2024 (6 months)

• Optimized and enhanced the credit card module of the banking system using Java, resolving critical performance bottlenecks and improving transaction processing speed by 25%.

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Mustafa Zahid

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