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Bravine Mmbayia

@bravinemmbayia

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Full Stack Developer at Digital Qatalyst who cut system latency 40% and integrated PesaLink and Stripe.

Kenya

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What I'm looking for

I'm eager to own feature quality from development through testing and release.

At Digital Qatalyst, I designed, built, and maintained backend services and APIs for e-commerce platforms, and developed end-to-end features with Vendure.js and React/Next.js. I integrated PesaLink and Stripe payment flows and built APIs to synchronize contacts, sales, payments, and billing data.

I implemented event-driven processing with BullMQ and Redis, and performance tuning reduced system latency by 40%. I also containerized applications with Docker and owned CI/CD pipelines using GitHub Actions and Azure DevOps.

As a freelance Full-Stack Developer, I delivered applications from requirements analysis through testing and iteration. My work included Node.js services, REST and GraphQL APIs, MongoDB, and frontend integrations; faster response times and reliable services contributed to a 65% improvement in user engagement.

Experience

Work history, roles, and key accomplishments

Software Engineer (Full-Stack / Backend Focus)

Digital Qatalyst

Nov 2024 - Jul 2026 (1 year 8 months)

Designed and built scalable backend services and APIs using microservices architecture for e-commerce platforms. Integrated payment solutions including PesaLink and Stripe, and implemented event-driven architecture with BullMQ and Redis, achieving a 40% reduction in system latency.

NodeJS TypeScript GraphQL REST Microservices Vendure React Next.js PesaLink Stripe BullMQ Redis Docker GitHub Actions Azure DevOps AzureADB2C RBAC MFA OAuth Agile

Full-Stack Developer (Freelance)

Independent

Aug 2022 - Oct 2024 (2 years 2 months)

Developed full-stack applications with robust backend services and frontend integrations. Optimized system performance and data handling, contributing to a 65% improvement in user engagement.