Experience Skills Contact

I build
systems that scale.

Senior Software Engineer, Data Engineer & AI Builder — 10+ years leading cross-functional teams, architecting Python platforms, and turning data into intelligent, production-grade systems.

Python · FastAPI · Django AI · LangChain · Data Eng AWS · Docker · CI/CD Technical Lead · Architect
Patrick Happi
TLM @ Track Revenue
10+ Yrs exp
0
Years of experience
0
Projects delivered
0
Engineers managed
0
Certifications
Python· FastAPI· Django· LangChain· AWS· OpenAI API· Docker· Angular· Vue.js· ETL· PostgreSQL· Celery· Redis· Ansible· NiFi· Redshift· CI/CD· Pandas· MySQL· Scikit-learn· GitLab·
Career

Where I've worked

// experience.log
Technical Lead Manager
Track Revenue · Jan 2025 — Present · Hybrid, Canada ● Current
Lead a cross-functional engineering team across frontend, backend, and data — setting technical direction, running architecture reviews, and owning product delivery end-to-end.
Architect and maintain the adtech platform powering real-time affiliate tracking, offer management, publisher reporting, automated payout flows, and AI-assisted analytics features.
Drive engineering culture — code reviews, CI/CD standards, on-call practices, and mentoring junior and mid-level engineers toward greater autonomy and AI-aware development practices.
Stay hands-on: shipping Python (FastAPI / Django) and Angular features, integrating AI APIs, and keeping quality high under tight release cycles.
PythonFastAPIAngular AI APIsDockerAWS MySQLRedisCI/CD Tech Leadership
Senior Python Developer
Amaris Consulting · Jun 2021 — Jan 2025 · Remote Past
Delivered data engineering and AI-ready data solutions for enterprise clients across finance, telecom, and healthcare — Python-first, cloud-native on AWS.
Built and maintained large-scale ETL pipelines using Apache NiFi, Python, and Pandas — transforming raw event streams into ML-ready, analytics-grade Redshift datasets.
Applied IBM Data Science foundations to implement statistical models and deliver analytical insights; engineered data features feeding downstream ML workloads.
Developed REST APIs and backend services with Django and FastAPI; automated infrastructure provisioning and deployment via Ansible playbooks on AWS.
PythonFastAPIDjango NiFiPandasScikit-learn AWSAnsibleETL RedshiftML Pipelines
Founder & CEO
Happisoft Inc. · Oct 2017 — Present · Ottawa, Canada Founder
Founded a software consultancy focused on building digital products for African markets and global SMBs — from discovery to deployment.
Built Allin1Africa, a pan-African classified ads platform covering jobs, real estate, vehicles, and services — designed for low-bandwidth mobile users.
Lead full product cycles: UX wireframing in Figma, development with PHP and Bolt CMS, e-commerce integrations with Shopify, and cloud hosting on AWS.
Manage client relationships, proposals, delivery timelines, and a small team of freelance contractors across design and development.
Full-StackPHPBolt CMS ShopifyFigmaAWSMySQL
Full Stack Engineer
Track Revenue · Feb 2017 — Nov 2021 · Montreal, Canada Past
Full-stack engineer on the affiliate marketing platform — built and shipped features across tracking, reporting, offer management, and billing.
Developed Angular frontend components and PHP backend APIs, maintaining the data flow between advertisers, publishers, and the core tracking engine.
Worked in a fast-paced product team delivering weekly releases, participating in code reviews, bug triage, and cross-team feature planning.
Returned to this company in 2025 as Technical Lead Manager — full circle from individual contributor to engineering leader.
PHPAngularMySQL REST APIsJavaScriptGit
Analyst Programmer
University of Bamenda · 2014 — 2017 · Bamenda, Cameroon Past
Designed and developed information systems for the university's academic and administrative departments — student records, scheduling, and faculty data management.
Built backend applications in PHP and MySQL; designed relational database schemas supporting thousands of student records and academic workflows.
Collaborated with department heads to gather requirements, translate them into technical specifications, and deliver internal tools used across faculties.
Foundation in software development lifecycle: analysis, system design, implementation, testing, and iterative delivery in a resource-constrained environment.
PHPMySQLJavaScript HTML/CSSSystem DesignLinux
Web Designer & Developer
Phoenix Group · 2011 — 2014 · Cameroon Past
Designed and developed websites and digital marketing materials for business clients across Cameroon — from concept to deployment.
Built responsive web layouts with HTML, CSS, and JavaScript; managed domain configuration, hosting setup, and ongoing site maintenance.
Worked directly with clients to translate business requirements into compelling visual web experiences that drove engagement and conversions.
First exposure to the full client-facing product cycle: discovery, design, development, and handoff — the foundation of a decade of engineering craft.
HTML/CSSJavaScriptPHP UI DesignFigmaWordPress
Toolkit

Skills & Technologies

Technical Lead Manager Team Leadership AI & Data Engineering Software Architect

Engineering leadership
meets AI-powered delivery

I bridge strategy and execution — setting technical direction, mentoring engineers, architecting AI-powered platforms, and still writing production code. At Track Revenue I lead a cross-functional team while staying deeply involved in system design, data engineering, and intelligent feature delivery.

5+
Engineers led
3+
Platforms architected
10+
Years building
AI & Machine Learning
OpenAI API / GPT-4 LangChain RAG Pipelines Scikit-learn NumPy · Pandas Prompt Engineering Embeddings ML Pipeline Design IBM Data Scientist Vector Search Data-driven Features
Backend & APIs
Python · Django · Pyramid92%
FastAPI · Celery · REST / GraphQL89%
ETL · Apache NiFi · Pandas87%
PHP · Bolt CMS · WordPress80%
Databases
PostgreSQLMySQL RedisRedshift MongoDBSQLite SQLAlchemyAlembic
AWS & Cloud
EC2S3 RDSRedshift SQSLambda Route53VPC CloudWatchIAM
Frontend
Angular 14+Vue.js TypeScriptHTML5 / CSS3 RxJSNgRx FigmaResponsive Design
Data & Analytics
Data Engineering / Pipelines90%
SQL · PostgreSQL · Redshift87%
Pandas · NumPy · Scikit-learn84%
Tableau · BI Visualization76%
DevOps & Infra
DockerDocker Compose AnsibleJenkins GitLab CIGitHub Actions Linux · BashNginx CromwellAgile · Scrum
Let's talk

Got a project
in mind?

I'm open to new opportunities, collaborations, and interesting engineering challenges. Drop me a line — I read every message.