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Salifu Abdul-Mannan Ayomah

@salifuabdul-mannanay

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Software engineer at Sonnet Solutions who deployed three POS systems and built Addesk, a creator advertising platform.

Ghana

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What I'm looking for

I'm open to remote roles in Ghana and internationally.

At Sonnet Solutions, I independently built and deployed three POS and business management systems. They support approximately 10 staff and process over 3,000 sales per month.

I worked directly with a client to design supplier-debt workflows for new products and restocking, with automatic calculations and supplier ledger updates. I also delivered inventory tracking, sales reporting, and expense management.

At Ninovation Lab, I delivered Azure infrastructure for a full-stack application, including identity-based access controls and secrets management. I configured Terraform and GitHub Actions for continuous deployment.

I independently built and deployed Addesk, a creator advertising management platform, with Paystack payments supporting mobile money. As a freelance software developer, I also migrated client applications to VPS infrastructure, including one migration that reduced monthly hosting costs by 60%.

Experience

Work history, roles, and key accomplishments

Current

Founder & Software Engineer

Current

Sonnet Solutions

Feb 2026 - Present (8 months)

Independently built and deployed three POS and business management systems supporting approximately 10 staff and processing over 3,000 sales per month. Delivered inventory tracking, sales reporting, profit and loss tracking, expense management, customer balance reconciliation, and supplier-debt tracking.

POS systems inventory tracking Sales Reporting P&L Tracking Expense Management Customer Reconciliation Debtor Creditor Tracking AI assisted Development Code Review Smoke Testing User Acceptance Testing

Current

Freelance Software Developer

Current

Self Employed

Jan 2024 - Present (2 years 9 months)

Built websites, integrated payments, and migrated applications to VPS infrastructure for developers and businesses. Migrated a client application from Render to a Hostinger VPS, reducing monthly hosting costs by 60%, and migrated another client's Supabase-hosted services to VPS infrastructure.

Web Development Payment Integration VPS Migration Hostinger Render Supabase Cost Optimization

Freelance Cloud Engineer

Ninovation Lab

Aug 2026 - Sep 2026 (1 month)

Delivered Azure infrastructure for a full-stack application using Container Apps, Azure Database for PostgreSQL, Front Door, Virtual Network, and Storage Accounts. Configured Key Vault for secrets management and identity-based access controls, and implemented Terraform infrastructure configuration and GitHub Actions continuous deployment.