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Full-stack software developer with a track record of picking up unfamiliar tech quickly and shipping fast. I build production-ready tools from scratch that reduce monthly software costs and handle projects end-to-end across backend, frontend, cloud, and everything in between. I’ve founded and launched products, migrated infrastructure to cut costs significantly, and implemented reliable pipelines for automation and data processing. I’m comfortable owning full development lifecycles, from UI through deployment and CI/CD, and I document systems clearly so teams can troubleshoot efficiently.…Full-stack software developer with a track record of picking up unfamiliar tech quickly and shipping fast. I build production-ready tools from scratch that reduce monthly software costs and handle projects end-to-end across backend, frontend, cloud, and everything in between. I’ve founded and launched products, migrated infrastructure to cut costs significantly, and implemented reliable pipelines for automation and data processing. I’m comfortable owning full development lifecycles, from UI through deployment and CI/CD, and I document systems clearly so teams can troubleshoot efficiently.

Sheham Mohammed St. John

Full Stack Developer, Back-End Developer, Front-End Developer, +4

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Full-stack software developer with a track record of picking up unfamiliar tech quickly and shipping fast. I build production-ready tools from scratch that reduce monthly software costs and handle projects end-to-end across backend, frontend, cloud, and everything in between. I’ve founded and launched products, migrated infrastructure to cut costs significantly, and implemented reliable pipelines for automation and data processing. I’m comfortable owning full development lifecycles, from UI through deployment and CI/CD, and I document systems clearly so teams can troubleshoot efficiently.…Full-stack software developer with a track record of picking up unfamiliar tech quickly and shipping fast. I build production-ready tools from scratch that reduce monthly software costs and handle projects end-to-end across backend, frontend, cloud, and everything in between. I’ve founded and launched products, migrated infrastructure to cut costs significantly, and implemented reliable pipelines for automation and data processing. I’m comfortable owning full development lifecycles, from UI through deployment and CI/CD, and I document systems clearly so teams can troubleshoot efficiently.

Available to hire

Full-stack software developer with a track record of picking up unfamiliar tech quickly and shipping fast. I build production-ready tools from scratch that reduce monthly software costs and handle projects end-to-end across backend, frontend, cloud, and everything in between.

I’ve founded and launched products, migrated infrastructure to cut costs significantly, and implemented reliable pipelines for automation and data processing. I’m comfortable owning full development lifecycles, from UI through deployment and CI/CD, and I document systems clearly so teams can troubleshoot efficiently.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Javanese

Intermediate

Work Experience

Founding Software Developer at Hexiv (Digital marketing startup)

December 1, 2025 - Present

Built and launched ShoutReach, a self-hosted cold email platform that replaces third-party tooling (~$800/month cost reduction). Implemented multi-step sequences, A/B testing, and reply detection. Built production-ready client site demos in Next.js including a bilingual (AR/EN) medical site with an interactive body SVG, chatbot, and online booking. Migrated email infrastructure from Google Workspace to Zoho (~90% cost reduction) and automated outreach workflows using Python and Make.com, eliminating ~90% of manual data entry. Deployed on GCP and delivered BYOK copy-review integration supporting multiple LLM providers for automated email sequence feedback.

Software Developer Co-op at TesseraCt Software and Technology

June 1, 2025 - September 1, 2025

Researched and evaluated blockchain architectures and SDKs to inform core platform technology decisions. Produced full system documentation including a whitepaper, tokenomics model, and UML diagrams (activity, sequence, use case, class) using Lucidchart.

Technical Analyst Co-op at Nasdaq Verafin

September 1, 2024 - December 1, 2024

Validated and processed incoming financial transaction data (Check21, ACH, Card, Wire) in a high-compliance enterprise environment, ensuring schema conformity and correct formatting per transaction type. Diagnosed and resolved data pipeline issues including schema mismatches and incorrect client submissions by leveraging internal tooling and coordinating directly with bank representatives. Authored the team’s first structured troubleshooting documentation with step-by-step guides per transaction type, standardizing cross-team resolution workflows.

Full-Stack Developer Co-op at PAL Aerospace

January 1, 2024 - April 1, 2024

Owned full-stack development of a client-facing web application from UI design through deployment, with significant creative autonomy and regular presentations to the VP of IT. Built the frontend in Angular and implemented a RESTful backend API using Node.js, Express, and Sequelize ORM, including role-based access control via Microsoft Azure AD (MSAL). Managed the full agile development lifecycle in Azure DevOps, writing user stories and tickets, planning sprints, handling pull requests, and resolving merge conflicts.

Peer Tutor at College of the North Atlantic

September 1, 2022 - September 1, 2023

Tutored Math, Physics, and Chemistry for CAS students, adapting teaching strategies to individual learning needs.

Team Supervisor at Lawtons Drugs

September 1, 2021 - September 1, 2025

Supervised daily store operations across departments including home healthcare, cosmetics, pharmacy, and the main store. Managed daily financial reconciliation with responsibility for safe accounts exceeding $10,000 during peak seasons. Resolved escalated customer complaints while maintaining team performance across a 10-person team.