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I am a seasoned and versatile Senior Backend Engineer with over 9 years of experience delivering scalable, maintainable, and secure enterprise applications across government, healthcare, and fintech domains. I specialize in microservices-based architecture, modular ERP/EHR system design, and systems integration using NestJS, Laravel, Python (Flask/FastAPI), and ReactJS. I have hands-on expertise in building event-driven distributed systems, implementing API-first platforms, and integrating third-party systems such as payment processors and biometric ID solutions. I am passionate about creating scalable solutions that meet business needs and working collaboratively with cross-functional teams.…I am a seasoned and versatile Senior Backend Engineer with over 9 years of experience delivering scalable, maintainable, and secure enterprise applications across government, healthcare, and fintech domains. I specialize in microservices-based architecture, modular ERP/EHR system design, and systems integration using NestJS, Laravel, Python (Flask/FastAPI), and ReactJS. I have hands-on expertise in building event-driven distributed systems, implementing API-first platforms, and integrating third-party systems such as payment processors and biometric ID solutions. I am passionate about creating scalable solutions that meet business needs and working collaboratively with cross-functional teams.

Murphy Otel Ochin

Developer, Back-End Developer, Programmer, +2

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I am a seasoned and versatile Senior Backend Engineer with over 9 years of experience delivering scalable, maintainable, and secure enterprise applications across government, healthcare, and fintech domains. I specialize in microservices-based architecture, modular ERP/EHR system design, and systems integration using NestJS, Laravel, Python (Flask/FastAPI), and ReactJS. I have hands-on expertise in building event-driven distributed systems, implementing API-first platforms, and integrating third-party systems such as payment processors and biometric ID solutions. I am passionate about creating scalable solutions that meet business needs and working collaboratively with cross-functional teams.…I am a seasoned and versatile Senior Backend Engineer with over 9 years of experience delivering scalable, maintainable, and secure enterprise applications across government, healthcare, and fintech domains. I specialize in microservices-based architecture, modular ERP/EHR system design, and systems integration using NestJS, Laravel, Python (Flask/FastAPI), and ReactJS. I have hands-on expertise in building event-driven distributed systems, implementing API-first platforms, and integrating third-party systems such as payment processors and biometric ID solutions. I am passionate about creating scalable solutions that meet business needs and working collaboratively with cross-functional teams.

Available to hire

I am a seasoned and versatile Senior Backend Engineer with over 9 years of experience delivering scalable, maintainable, and secure enterprise applications across government, healthcare, and fintech domains. I specialize in microservices-based architecture, modular ERP/EHR system design, and systems integration using NestJS, Laravel, Python (Flask/FastAPI), and ReactJS.

I have hands-on expertise in building event-driven distributed systems, implementing API-first platforms, and integrating third-party systems such as payment processors and biometric ID solutions. I am passionate about creating scalable solutions that meet business needs and working collaboratively with cross-functional teams.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

Javanese

Intermediate

Work Experience

Principal Software Engineer at Thames (IPPIS Consultants)

January 1, 2019 - Present

Designed and maintained a robust HR & Payroll System for 320K+ federal workers, automating salary computation, tax deductions, arrears, bonuses, and audit compliance. Developed the Internal Revenue Monitoring System (IRMS) connecting with 15+ MDAs for real-time financial visibility. Implemented a Loan Management Platform handling 500K+ loan records integrated with payroll and Remita. Integrated the eTas Payment Gateway with eTranzact for statutory disbursements for Nigerian Military and Police Force. Built a Payroll Analytics Dashboard with Flask, Pandas, and Matplotlib. Created an internal Laravel boilerplate used across 10+ projects, championed CI/CD workflows, and optimized SQL handling of massive datasets.

Lead Backend Engineer at Fripz Technology

January 1, 2021 - Present

Architected a domain-driven ERP microservices ecosystem including Payroll, HR, Accounting, and Project Management using NestJS and ReactJS with JWT and RBAC authorization. Designed RabbitMQ-based communication patterns enabling decoupled asynchronous pipelines. Developed modular EHR microservices for patient management, clinical workflows, billing, and audit history using NestJS, ReactJS, and FastAPI/Flask. Built Python analytics microservices with REST APIs orchestrated via Redis queues for real-time KPIs and dashboards. Containerized all services with Docker and managed deployments via GitLab CI/CD.

Senior Software Developer at T-One Technologies

December 31, 2018 - July 23, 2025

Developed ERP-style applications including a Classified Ads Platform (Laravel + Angular), Asset Management system, and Farmers Information System managing 250K+ farmers with crop cycle tracking. Implemented multi-tenant SaaS architecture with scoped resources and permissions. Integrated SMS services, notifications, and location-based features.

Software Engineer / Consultant at CrowdAfrica, Sycom, Freelancing

December 31, 2016 - July 23, 2025

Refactored legacy platforms into MVC patterns using Laravel and Symfony. Delivered eCommerce and NGO portals with third-party payment API integrations. Built CRUD-heavy systems and REST APIs using Laravel, jQuery, and MySQL. Consulted on cross-browser testing, mobile responsiveness, and SEO improvements.

Principal Software Engineer at Thames (IPPIS Consultants)

January 1, 2019 - Present

Designed and maintained a robust HR & Payroll system for over 320,000 federal workers, automating salary computation, tax deductions, arrears, bonuses, and audit compliance. Developed the Internal Revenue Monitoring System by integrating data connectors with over 15 MDAs to provide real-time revenue insights. Managed a Loan Management Platform handling over 500,000 loan records linked to payroll cycles and integrated fund remittance via Remita. Integrated the eTranzact payment gateway to streamline statutory disbursements for Nigerian Military and Police forces. Built a Payroll Analytics Dashboard for anomaly detection and reconciliation. Created an internal Laravel boilerplate framework for internal projects and led CI/CD workflow adoption with GitLab while optimizing SQL queries for massive datasets.

Lead Backend Engineer at Fripz Technology

January 1, 2021 - Present

Architected and developed a modular ERP microservices platform covering Payroll, HR, Accounting, and Project Management using NestJS and ReactJS with RabbitMQ-based communication. Built an EHR microservices platform for patient management, clinical records, and lab results using NestJS, ReactJS, and Python (FastAPI/Flask). Developed Python analytics microservices for real-time KPIs and payroll summaries using Celery, Redis queues, and REST API. Dockerized services and managed deployments via GitLab CI/CD. Ensured loose coupling across services and integrated central Auth Service implementing JWT and RBAC.

Senior Software Developer at T-One Technologies

December 31, 2018 - July 23, 2025

Developed ERP-style applications including a Classified Ads Platform and Asset Management System using Laravel and AngularJS. Managed a Farmers Information System with over 250,000 farmers, incorporating cooperative matching and crop cycle tracking. Implemented multi-tenant SaaS architecture with scoped resources and dynamic permissions. Integrated SMS services, notification channels, and location-based features.

Software Engineer / Consultant at CrowdAfrica, Sycom, Freelancing

December 31, 2016 - July 23, 2025

Refactored legacy platforms into MVC patterns using Laravel and Symfony. Delivered eCommerce and NGO portals integrating third-party payment APIs. Built CRUD-heavy systems and REST APIs using Laravel, jQuery, and MySQL. Provided consulting services on cross-browser testing, mobile responsiveness, and SEO.

Principal Software Engineer at Thames (IPPIS Consultants)

January 1, 2019 - Present

Designed and maintained a robust HR & Payroll system for over 320K federal workers, automating salary computations, tax deductions, arrears, and bonuses, and ensuring audit compliance. Developed the Internal Revenue Monitoring System (IRMS) with real-time data connectors for over 15 government MDAs, providing income, expenses, and surplus analytics. Enabled loan management for 500K+ loan records with automated fund remittance integrated with payroll and Remita. Integrated eTranzact payment gateway APIs to streamline statutory disbursements for Nigerian Military and Police Force. Built a payroll analytics dashboard with Flask, Pandas, and Matplotlib. Championed CI/CD workflows with GitLab and optimized SQL queries for handling large datasets. Created an internal Laravel boilerplate framework used across multiple projects.

Lead Backend Engineer at Fripz Technology

January 1, 2021 - Present

Architected and developed a domain-driven microservices ERP platform comprising payroll, HR, accounting, and project management using NestJS and ReactJS, with RabbitMQ for asynchronous communication. Built a modular EHR platform handling patient management, clinical records, billing, and lab results using NestJS, ReactJS, FastAPI, and Celery. Developed Python-based analytics microservices using Flask and FastAPI exposing REST endpoints for real-time KPIs and payroll summaries. Dockerized the services and managed deployments with GitLab CI/CD to ensure scalable and maintainable solutions.

Senior Software Developer at T-One Technologies

December 31, 2018 - July 23, 2025

Developed ERP-style applications, including a classified ads platform and an asset management system using Laravel and AngularJS. Managed a farmer information system for over 250K farmers with features such as cooperative matching and crop cycle tracking. Implemented multi-tenant SaaS architecture with dynamic permissions, integrating SMS services and location-based features.

Software Engineer / Consultant at CrowdAfrica, Sycom, Freelancing

December 31, 2016 - July 23, 2025

Refactored legacy platforms into modern MVC patterns using Laravel and Symfony. Delivered eCommerce and NGO portals integrating third-party payment APIs. Built CRUD-heavy systems and REST APIs using Laravel, jQuery, and MySQL. Provided consulting on cross-browser testing, mobile responsiveness, and SEO best practices.