09/14/2026 updated

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100 % available

Senior Full Stack Software Engineer | Python, Django, FastAPI, Next.js | Fintech & SaaS

Lekki Phase II, Lagos, Nigeria
Only remote
Diploma, Software Engineering - AltSchool Africa
Lekki Phase II, Lagos, Nigeria
Only remote
Diploma, Software Engineering - AltSchool Africa

Profile attachments

TaslimOwolarafe-2026.pdf

About me

Software Engineer and Technical Leader with experience building production systems across fintech, SaaS, property, ticketing, and AI. Strong in Python, Django, FastAPI, Next.js, TypeScript, React, PostgreSQL, MongoDB, Redis, cloud infrastructure, CI/CD, and scalable APIs.

JavaScriptApplication Programming Interfaces (APIs)Software as a ServiceDevOpsDjangoGitHubPython (Programming Language)Next.jsCloud Platform SystemFlaskBackendGitLabFastAPIFull Stack DevelopmentGraphQLFintech
• Languages: Python, JavaScript, TypeScript, SQL, CSS, Java
• Frameworks & Libraries: Django (incl. DRF), FastAPI, Flask, Next.js, React.js, Bootstrap, LangChain, Langflow, LlamaIndex,
Spring Boot
• Databases & Messaging: PostgreSQL, MongoDB, Redis, Kafka, Debezium, RabbitMQ
• DevOps & Tools: Docker, GitHub Actions (CI/CD), Celery, Google Cloud SDK, Hasura GraphQL, Algolia, OpenAI API, AWS
Lambda, AWS S3, GitHub, GitLab, Grafana
• Cloud Platforms: Google Cloud Platform (GCP), Microsoft Azure, Amazon Web Services (AWS)
• Testing: Jest, Test Automation, API Testing, GitHub Actions CI/CD testing pipelines, PyTest, unittest, Mocking, React Testing Library


























Experience

Professional experience0 - 5 years
Freelancer since2021

Languages

EnglishNative speaker

Project history

Lead Backend Engineer / CTO

OAU Homes
Architected and delivered two production platforms: a property rental marketplace and an event ticketing system. Built complete backend for multi-tenant property management using Next.js 14, TypeScript, Prisma ORM, and MongoDB. Integrated Paystack payment infrastructure with split payments and subaccount management. Architected scalable event ticketing system with Redis TTL-based locks, BullMQ queues, QR code generation, and real-time analytics APIs.

Contract Full Stack Engineer

Tuneyverse
Architected and developed a scalable music processing pipeline with Python FastAPI, utilizing Celery workers and Redis for async task management and Azure Blob Storage for distributed file handling. Implemented 3 AI-powered features: Instrumental Extraction, Chorus Detection, and Automated Lyric Video Generation. Optimized GPU resource allocation cutting cloud costs by 60% and built RESTful APIs with JWT authentication achieving 99.5% job success rate.

Developer - Task Management API

Personal Project
Built a REST API with JWT authentication, refresh token rotation, and role-based authorization using Spring Security with Java, Spring Boot, PostgreSQL, Docker, and GitHub Actions. Implemented rate limiting, CORS configuration, pagination, scheduled background jobs, and database schema with Flyway migrations. Wrote unit tests (JUnit, Mockito) and integration tests (MockMvc) all passing in a GitHub Actions CI pipeline.

Senior Backend Engineer

XchangeBox (PayRep)
Built a four-stage bulk customer account creation pipeline supporting up to 5,000 rows per Excel file. Integrated Zenith Bank API and Belema Bank Switch, Buypower, VTpass, and Xpress Payments as biller service providers. Implemented biometric transaction authorization, BVN and NIN verification endpoints, financial report generation infrastructure, and SMS lien feature. Monitored application health using Grafana.

FullStack Software Engineer

Apek Group (JAVAT 365)
Developed and maintained scalable, secure SaaS applications for digital collaboration using Next.js (v14+), TypeScript, Prisma, and MongoDB. Implemented real-time search with Algolia, hierarchical Redis caching service, background job processing with AWS Lambda, and secure file storage using Amazon S3. Reduced bug incidence by 40% through robust testing practices and automated CI/CD pipelines.

Backend Developer I

Prioclen Technologies
Led design and migration of a monolithic Django app into a cloud-native microservices architecture on GCP and Azure. Architected and implemented Identity & Access Management, Address Management, Identity Verification, Payment & Subscription services, and an Elasticsearch-powered Service Comparison engine. Built containerized applications using Docker with GitHub Actions CI/CD pipelines.

Software Engineer

KloutMachine
Built and shipped core campaign tools including an interactive state-targeting US map and a Context API-driven shopping cart. Designed and implemented a mobile-first athlete search with Apollo GraphQL and Hasura API. Developed Transfer Portal analytics UI, integrated Stripe payments, and created an on-demand feature testing pipeline with GitHub Actions and Google Cloud Run. Reduced bug incidence by 45% through robust testing practices.

Backend Engineer Intern

HNG INTERNSHIP
Collaborated globally with Software Engineers to devise solutions for daily challenges. Integrated third-party OpenAI models API services into a words-to-numbers calculation backend system, reducing code by 20%. Authored comprehensive API documentation and implemented unit tests using unittest framework for OpenAI API integration.

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