Tajudeen Y. is a highly skilled software engineer with extensive experience in various programming languages and frameworks, including C#, Python, Java, JavaScript, Flutter, Kotlin, .Net, Django, ReactJS, AngularJs, Spring Boot, and Docker. He has demonstrated leadership and technical expertise in roles at OldMutual Nigeria, Payceler, TheBulb Africa, Andela, AlatByWema, and SanwoTouch2Pay Technology Services. Tajudeen excels in managing DevOps deployments, designing system architectures, developing REST APIs, and… Show more

1. Head of IT/ Senior Software Engineer (SSE)

   SanwoTouch2Pay Technology ServicesNov 2014 — Aug 2017

   • Built desktop and mobile applications for NFC card/tag integration
   • Directed software design and development, focusing on client needs and rapid prototyping.

   Android, NFC (Card, Wrist band etc.), .Net, Azure, ASP.NET, Microservices, c#, Postman, Android Studio, Visual studio, Web API, ReactJs, POS application, Bar code reader with NFC
2. Team Lead / Senior Software Development Engineer (SDE)

   OldMutual NigeriaJan 2024 — Aug 2024

   • Led an IT team of more than 7 engineers, unblocking any blockers.
   • Crafted solutions fit for business purposes within the Digital and Data business.
   • Managed DevOps deployment using AWS CloudFormation with AWS serverless framework.
   • Created backend payment middleware for seamless transactions.
   • Improved software engineering practices, operational excellence, and introduced new APIs using .Net
   • Integrated recurring payment functionality using PayStack.

   NodeJs, MySql, JavaScript, Azure, Amazon S3, AWS Managed Services, ReactJs, AWS CloudFormation, .Net, Spring boot, Docker, Redis, Kibana, Flutter.
3. Team Lead / Senior Software Engineer (SSE)

   PaycelerDec 2022 — Dec 2023

   • Designed the entire system architecture for a mobile banking platform using Flutter
   • Led an IT team of over 8 engineers, ensuring smooth project progress
   • Developed REST APIs to efficiently perform CRUD operations, optimized data management & enhanced system functionality.
   • Managed DevOps deployment using Bitbucket and AWS Fargate.
   • Revamped the Payceler application using ReactJS and handled DevOps automation with Docker

   C#, Python, ReactJs, Flutter, .Net, Microservices, Postman, REST APIs, Docker, Postgres, MySql, Api gateway (Ocelot), Celery, Amazon S3, AWS Managed Services, AWS VPN, AWS ALB
4. Team Lead / Senior Software Engineer (SSE)

   TheBulb AfricaAug 2021 — Nov 2022

   • Designed and built the CP-Trading System architecture from scratch.
   • Developed multiple microservices and the frontend using AngularJs.
   • Managed DevOps deployment with Bitbucket and AWS Fargate.
   • Added real-time notifications using web sockets.
   • Led an IT team of 9 engineers, ensuring smooth project progress.

   AngularJs, .Net, Microservices, c#, Elasticsearch, AWS, MySql Server, Bitbucket deployment script, Docker, Web Socket, Api gateway, Postman, AWS ALB, Visual studio code, Visual studio
5. Software Engineer (SE)

   Andela Lagos, NigeriaNov 2019 — Jan 2021

   • Developed custom mobile applications using native technologies.
   • Engaged in various client projects, focusing on data structures and algorithms
   • Provided maintenance and developed bug fixes and patches for existing applications.

   Android (native), .Net, Microservices, c#, Azure, Postman, Android Studio, Visual studio, Visual studio code, Java, Kotlin
6. Software Engineer (SE)

   AlatByWema - WemaBankJul 2017 — Aug 2019

   • Led a team to upgrade the ALAT for Business and ALAT by Wema applications.
   • Worked closely with cross-functional teams to strategize product design and implementation.
   • Developed custom applications using technologies like C#, Xamarin, and Microsoft .Net.

   Android (Xamarin), .Net, Azure, Microservices, ASP.NET, c#, Postman, Android Studio, Visual studio, Web API, WCF
7. Software Engineer

   WurknSep 2025 — Jan 2026

   • Backend Development (Django/FastAPI) - Architected and developed multi-service microservices platform with Django REST Framework and FastAPI - Implemented comprehensive RESTful API with 50+ endpoints supporting multi-tenant SaaS architecture - Built role-based access control (RBAC) system with 5 user roles and company-scoped data isolation - Designed and implemented anonymous session management for secure anonymous feedback collection
   • AI/ML Integration - Implemented multimodal sentiment analysis system (text, audio, combined) using OpenAI GPT-4o and Whisper-1 - Built Ridge Regression ML model for KPI prediction (sentiment, productivity, retention, revenue metrics) - Developed automated model training pipeline and feature extraction system - Integrated Azure Cognitive Services as fallback for high availability
   • Third-Party Integrations - Implemented OAuth 2.0 flows for Slack and Microsoft Teams integrations - Built webhook handlers for real-time message processing and feedback submission - Created HRIS integration (Simplr) for user synchronization and feedback link management - Developed secure token management and refresh mechanisms
   • Frontend Development (React/TypeScript) - Built responsive React application with TypeScript and Tailwind CSS - Developed comprehensive dashboards (Company, Employee, Admin) with real-time analytics - Created 30+ reusable components with form validation and error handling - Implemented role-based routing and authentication flows
   • DevOps & Infrastructure - Containerized all services with optimized multi-stage Dockerfiles - Configured CI/CD pipeline with GitHub Actions for automated deployments - Set up monitoring stack (Grafana Loki, Prometheus, Seq) for observability - Implemented API Gateway using .NET YARP for service orchestration - Optimized Docker builds reducing image sizes by 60%+

   ApigatewayC#PythonOpenAi apiMicroservicesPycharmReactJsPostgresSwaggerDocRest FrameworkCiCdGithub ActionAWSNginxEc2DockerIntegrationsDevOpsAI/ML

1. Computer Science

   Ladoke Akintola University Ogbomoso, Oyo State, Nigeria2009 — 2014