Patrick Ongeche — Full-Stack Software Engineer

Full-Stack Software Engineer - MAG (MAG CRM)

Duration: 2025 - Present

Summary:

• Development and maintenance of MAG CRM system covering leads, opportunities, work orders, quotes, invoicing, and reporting
• The CRM is designed to streamline customer relationship management and business operations

Responsibilities:

• Build and maintain backend with NestJS and frontend with Next.js/React.
• Design database schemas and queries for MongoDB and PostgreSQL.
• Implement authentication, RBAC, multi-tenancy, and event-driven scheduling.
• Integrate third-party systems such as ManyChat, Twilio, and Stripe via REST APIs and webhooks.
• Deliver frontend workflows including forms, validation, dashboards, charts, and PDF generation.
• Write automated tests and document architecture decisions.

Technologies: TypeScript, NestJS, Next.js, React, MongoDB, PostgreSQL, Tailwind CSS, JWT, Stripe, ManyChat, Twilio, REST APIs, Webhooks

Software Engineer (Contract) - BPOSeats (Cross-platform Desktop Applications with AI-assisted Workflow Automation)

Duration: January 2024 - May 2025

Summary:

• Development of cross-platform desktop applications featuring AI-assisted workflow automation to reduce manual effort in business processes
• The project involved integrating AI technologies to enhance operational efficiency

Responsibilities:

• Built Vue.js frontend and Python/Django backend business logic.
• Developed AI-assisted workflow automation features using LangChain and internal business data.

Technologies: Python, Django, Vue.js, LangChain, Electron

Full-Stack Software Developer - NetSpice (Internal and Customer-Facing Applications)

Duration: September 2023 - Present

Summary: Design and development of scalable internal and customer-facing applications across the full stack to support business operations and customer engagement.

Responsibilities:

• Designed and built applications using React, Node.js, and TypeScript.
• Led architecture decisions and code reviews.
• Translated business requirements into maintainable software.
• Troubleshot and resolved issues from frontend to backend and deployment.

Technologies: React, Node.js, TypeScript, REST APIs, Distributed Systems

Software Developer - Devtom (Full-Stack Service Design and Development)

Duration: March 2022 - August 2023

Summary: Contributed to the design and development of full-stack services to support business applications, including mentoring and process optimization.

Responsibilities:

• Developed services using Vue.js, Node.js, Python/Django, and GraphQL.
• Mentored and onboarded team members.
• Optimized delivery processes.

Technologies: GraphQL, Node.js, Python/Django, Vue.js

Full-Stack Software Engineer - Toshe Ujenzi Works Limited (Toshe Ujenzi Works Limited Full-Stack Website Development)

Summary:

• Designed and built a full 10-page marketing website including a custom brand system and asset recreation, later rebuilt using Next
• js to improve framework compatibility and performance

Responsibilities:

• Designed and developed a marketing website using React, Vite, and Tailwind CSS.
• Rebuilt and shipped a Next.js version of the website addressing framework-specific differences.

Technologies: React, Vite, Tailwind CSS, Next.js

Full-Stack Software Engineer (Multi-Agent AI Operations Assistant)

Summary: Designed a multi-agent backend system for customer intake, scheduling, quoting, and escalation using RAG pipelines on embeddings and vector databases, integrated with CRMs and Twilio to automate operations.

Responsibilities:

• Designed backend multi-agent system with RAG pipelines and vector databases.
• Integrated system via tool calling with CRMs and Twilio.

Technologies: RAG Pipelines, Embeddings, Vector Databases, Tool Calling, CRMs, Twilio