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Teddy – React, Python, AWS, experts in Lemon.io

Teddy

From Kenya (UTC+3)flag

Full-stack Web Developer|Senior
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Teddy – React, Python, AWS

With 12+ years of experience, Teddy has excelled in fast-moving teams at Meta, Microsoft, and various startups, leading teams of 3-4 engineers and solo projects. He developed a critical data warehouse for 950+ medical facilities in Kenya, showing his ability to deliver impactful solutions. His solid grasp of engineering practices, combined with strong problem-solving and algorithmic skills, defines his proactive and hands-on approach to development.

15 years of commercial experience in
AI
Cloud computing
Healthcare
Healthtech
Music and audio
NFT
Sales
Social media
Marketplace
Customer support software
Enterprise software
Identity verification software
Mobile apps
NLP software
Platforms
Main technologies
React
8 years
Python
12 years
AWS
5 years
Additional skills
Node.js
Next.js
Apollo GraphQL
Django REST
PostgreSQL
Django
GraphQL
Redis
Typescript
JavaScript
Kubernetes
Docker
OpenAI
Chat bots
Twilio API
GCP
Supabase
Prompt engineering
GitHub Actions
CI/CD
Sentry
Heroku
Amazon S3
Amazon ECS
AWS Lambda
Amazon SQS
CloudWatch
Vector Databases
Rewards and achievements
Big tech veteran
Direct hire
Possible
Ready to get matched with vetted developers fast?
Let’s get started today!

Experience Highlights

Senior Software Engineer
Dec 2022 - Dec 20242 years
Project Overview

Built product features for a luxury e-commerce marketplace that sells premium wines and spirits directly to consumers. I worked across backend and frontend systems on real-time shopping experiences, cross-platform delivery, and integrations that improved conversion and customer experience.

Responsibilities:
  • Built a real-time sales lobby that improved the bundle-purchase experience and increased sales volume by 15%.
  • Delivered feature parity across web and mobile, increasing engagement by 30%, improving development efficiency by 15%, and reducing support tickets by 25%.
  • Launched concierge sales integrations for premium bottle listings, opening new revenue streams and expanding market reach.
  • Improved conversion and customer experience by shipping backend and frontend product features across checkout, sales, and platform workflows.
Project Tech stack:
React
Next.js
Django
Django REST
Python
AWS
Redis
Typescript
Jest
Tailwind CSS
Software Engineer (EC5)
Oct 2021 - Nov 20221 year 1 month
Project Overview

Built features for a large-scale internal support platform used to manage support workflows more efficiently. I worked across backend and frontend systems on platform migration, privacy tooling, and operational improvements that made the system more reliable and easier to maintain.

Responsibilities:
  • Led end-to-end feature development across product and platform workflows for a large-scale internal support system.
  • Delivered a zero-downtime migration of core ticketing workflows to a modern internal stack.
  • Reduced support tickets by 30% and maintenance time by 50% through platform reliability and workflow improvements.
  • Improved privacy tooling and operational debugging success by 31%, reducing dependence on internal support teams.
  • Partnered across product, design, and engineering to ship workflow improvements that increased system stability and operational efficiency.
Project Tech stack:
React
Jest
Python
GraphQL
Relay
PHP
Software Engineer II
Sep 2020 - Sep 20211 year
Project Overview

Built identity provisioning systems for enterprise customers using Azure Active Directory (now Microsoft Entra ID). I focused on backend services and standards-based integrations that automated provisioning workflows, improved scalability, and supported reliable identity management at scale.

Responsibilities:
  • Built SCIM-compliant provisioning functionality for enterprise identity workflows.
  • Improved system scalability and throughput through bulk provisioning APIs and automation enhancements.
  • Contributed to identity infrastructure adopted by more than 100 companies, helping drive a 25% increase in user adoption.
  • Strengthened reliability and standards compliance in backend provisioning systems used for enterprise identity management.
Project Tech stack:
.NET
React
Typescript
Python
Django
Django REST
Material UI
Senior Software Engineer
Dec 2017 - Oct 20202 years 10 months
Project Overview

Built large-scale data pipelines and external integrations for a music technology platform. I worked on backend and cloud infrastructure that improved data availability, automation, and analytics at scale.

Responsibilities:
  • Built high-volume data pipelines ingesting about 1 billion records per day into BigQuery.
  • Improved analytics efficiency by making large-scale data more reliable and accessible for downstream teams.
  • Automated external integrations to improve supply chain reliability and reduce manual operational work.
  • Worked on cloud-native data infrastructure using Airflow, Docker, Kubernetes, and Avro.
Project Tech stack:
React
Next.js
Jest
Typescript
Python
Django
Django REST
Node.js
Apollo GraphQL
GraphQL
Docker
Kubernetes
Apache Airflow
Handlebars
Twilio API
Interoperability Programmer
Jun 2016 - Aug 20182 years 2 months
Project Overview

Built healthcare interoperability systems used to connect facilities and improve patient data consistency across a large care network. I focused on backend integration workflows and national-scale health data exchange infrastructure.

Responsibilities:
  • Built and deployed a secure interoperability layer across more than 900 facilities.
  • Helped eliminate duplicate patient records and improve unique patient identification.
  • Supported healthcare analytics and data exchange across distributed clinical environments.
  • Worked on backend integration systems in a high-reliability healthcare setting.
Project Tech stack:
React
Hapi.js
Node.js
Django
Django REST
Python
Twilio API
Material UI

Education

2012
Bsc Computer Science
2nd Class Honours, Upper Division

Languages

English
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