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Hello, I’m Saint-John Peter, a backend developer with a passion for building scalable, reliable services using Python, Django, and modern cloud-native stacks. I have hands-on experience designing API layers, implementing asynchronous processing with Celery and Redis, and deploying on AWS, with a strong focus on data integrity and security. I enjoy collaborating with cross-functional teams to deliver robust backend systems for fintech and mobile apps, containerizing apps with Docker, and crafting provider-agnostic integrations. I’m eager to contribute to innovative projects and continue learning from industry leaders.…Hello, I’m Saint-John Peter, a backend developer with a passion for building scalable, reliable services using Python, Django, and modern cloud-native stacks. I have hands-on experience designing API layers, implementing asynchronous processing with Celery and Redis, and deploying on AWS, with a strong focus on data integrity and security. I enjoy collaborating with cross-functional teams to deliver robust backend systems for fintech and mobile apps, containerizing apps with Docker, and crafting provider-agnostic integrations. I’m eager to contribute to innovative projects and continue learning from industry leaders.

Saint-John Peter

Back-End Developer, Full Stack Developer, Web Developer, +2

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Hello, I’m Saint-John Peter, a backend developer with a passion for building scalable, reliable services using Python, Django, and modern cloud-native stacks. I have hands-on experience designing API layers, implementing asynchronous processing with Celery and Redis, and deploying on AWS, with a strong focus on data integrity and security. I enjoy collaborating with cross-functional teams to deliver robust backend systems for fintech and mobile apps, containerizing apps with Docker, and crafting provider-agnostic integrations. I’m eager to contribute to innovative projects and continue learning from industry leaders.…Hello, I’m Saint-John Peter, a backend developer with a passion for building scalable, reliable services using Python, Django, and modern cloud-native stacks. I have hands-on experience designing API layers, implementing asynchronous processing with Celery and Redis, and deploying on AWS, with a strong focus on data integrity and security. I enjoy collaborating with cross-functional teams to deliver robust backend systems for fintech and mobile apps, containerizing apps with Docker, and crafting provider-agnostic integrations. I’m eager to contribute to innovative projects and continue learning from industry leaders.

Available to hire

Hello, I’m Saint-John Peter, a backend developer with a passion for building scalable, reliable services using Python, Django, and modern cloud-native stacks. I have hands-on experience designing API layers, implementing asynchronous processing with Celery and Redis, and deploying on AWS, with a strong focus on data integrity and security.

I enjoy collaborating with cross-functional teams to deliver robust backend systems for fintech and mobile apps, containerizing apps with Docker, and crafting provider-agnostic integrations. I’m eager to contribute to innovative projects and continue learning from industry leaders.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Backend Developer at RANSACT

November 1, 2025 - Present

Designed and implemented core asynchronous transaction processing pipeline using Celery and Redis to orchestrate a multi-step crypto-to-fiat payout flow; built a RESTful API with Django REST Framework for authentication, KYC, wallet, and transactions; enforced idempotency and implemented a provider-agnostic integration layer with centralized retry logic and audit logging; introduced a finite state machine (django-fsm) to enforce valid state transitions; implemented HMAC-verified webhook listeners for real-time payout processing; designed core PostgreSQL schema with UUIDs and idempotency constraints; containerized the stack with Docker and Docker Compose.

Backend Developer at OJALA ROYAL TECHNOLOGIES

November 1, 2025 - January 1, 2026

Designed and maintained scalable backend services powering the 2geda mobile app; modules for Automated Posts, Real-time Chat, Ticketing, Commerce, Wallet, Notifications, Stereo Rooms, and Live Streaming; built asynchronous pipelines with Celery and Redis; containerized infrastructure with Docker and Docker Compose; exposed secure RESTful APIs for Android and iOS clients; collaborated with mobile team for testing and production releases; monitored logs, fixed critical bugs, and improved system stability and response times.