Obinna Agim - Technology Leader and System Architect
Available to build with you

Obinna Agim

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Technology leader and system builder with 11+ years turning ideas into production-ready software. I partner with founders, teams, and organizations to design, build, and scale platforms across FinTech, SaaS, and AI — from architecture to delivery.

11+
Years Building
2.5M+
Users Served
20+
Systems Shipped
AI-Powered

Start with Your Idea

Describe what you are trying to build. I will help you shape the system, clarify the architecture, and suggest the right next step.

Not sure where to start? Just describe your idea and I will guide you.

About Me

Builder & Technology Partner

Obinna Agim - CTO

Available to Build With You

Systems, teams, and products

Ready to build together

I started as an engineer and grew into a technology leader — but I never stopped building. With 11+ years of experience, I help founders, teams, and organizations turn ideas into production-ready software systems.

From architecting mobile banking platforms serving millions to building AI-powered SaaS products, I work across the full stack — from idea and architecture to execution and scale. I enjoy helping people solve real software problems.

Whether you need a technology partner to design your system, lead your engineering team, or ship your product — I bring clarity, execution, and a builder mindset to every project.

System Design & Architecture
From Idea to Production
Cloud & Infrastructure
Team Leadership
11+
Years Building
Systems from idea to production
2.5M+
Users Served
Through systems I built
20+
Systems Shipped
Platforms and products delivered
3
Countries
Software solutions deployed

What I Bring to the Table

Design and build software systems from scratch or improve existing ones
Lead engineering teams and establish best practices
Architect scalable microservices and event-driven systems
Implement AI automation and modern development workflows
Execute cloud migrations and infrastructure modernization
Turn complex requirements into working, maintainable software
Career Journey

Experience & Impact

A track record of driving engineering excellence and business growth across fintech, SaaS, and enterprise platforms.

Executive LeadershipJuly 2025 - Feb 2026

Chief Technology Officer (CTO)

Thelix Holdings

Remote (US HQ)

Led group-level technology strategy across five SBUs: ExcelMind, LightForth, CreditVeto, VeriPass, and ExcelMindCyber.

Key Achievements

  • Directed enterprise architecture, AI adoption strategy, and product delivery across multi-vertical SaaS ecosystem
  • Architected CreditVeto AI Multi-Agent Operations System for automated lead qualification and customer conversion
  • Delivered VettStream B2B visa assessment SaaS - 15 production microservices in 10-day sprint
  • Led organization-wide AI engineering productivity initiatives using Claude, Codex, and automated release tooling
  • Standardized AWS infrastructure, GitOps deployment, and observability frameworks
  • Scaled engineering leadership structure including Engineering Managers and Platform Teams
AWSKubernetesNestJSAI AgentsGitOpsMicroservices
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Engineering LeadershipJan 2025 - July 2025

Head of Engineering

Thelix Holdings

Remote (US HQ)

Led engineering execution and platform delivery across core products during company scale-up phase.

Key Achievements

  • Led internal takeover and completion of ExcelMind School Management Platform
  • Delivered No-Code Website Builder, Geo-Mapping Bus Tracking, University CRM, Mobile App SSO
  • Migrated background jobs to scalable BullMQ microservices architecture
  • Designed CI/CD pipelines and AWS EKS infrastructure using Terraform
  • Introduced AI-driven code review automation and QA optimization
NestJSGraphQLBullMQTerraformAWS EKSn8n
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Engineering ManagementNov 2023 - Dec 2024

Software Engineering Manager

Prospa (YC-W21)

Lagos, Nigeria

Led engineering teams building Banking as a Service (BaaS) infrastructure for African SMEs.

Key Achievements

  • Directed migration from DigitalOcean to AWS cloud infrastructure
  • Decomposed Python monolith into microservices improving modularity
  • Led mobile app platform modernization improving UX and performance
  • Implemented agile practices and improved delivery velocity
  • Oversaw Global Payments implementation for send/receive money
PythonCeleryAWSReact NativeMicroservices
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Technical LeadershipJun 2022 - Oct 2023

Software Engineering Tech Lead

Guaranty Trust Bank

Lagos, Nigeria

Led backend architecture for GTWorld Mobile Banking App serving 2.5M+ customers.

Key Achievements

  • Led team of 6 engineers in system design and deployment of backend services
  • Improved app performance by 20% and reduced downtime by 30%
  • Designed distributed caching with AWS ElastiCache reducing database load by 60%
  • Delivered core banking APIs: onboarding, payments, transfers, biometric auth
  • Implemented end-to-end security measures improving data protection by 50%
C#.NET CoreAWSRedisMicroservicesSQL Server
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Senior EngineeringJan 2021 - May 2022

Principal Software Engineer

Parkway Projects

Lagos, Nigeria

Architected backend payment microservices for Payzone fintech platform.

Key Achievements

  • Contributed 20% of company revenue through Payzone platform
  • Delivered e-commerce marketplace and eWallet services
  • Led cross-functional engineering delivery and API integration
  • Implemented comprehensive unit testing practices
C#.NETMicroservicesREST APIsSQL Server
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DevOps & EngineeringMar 2019 - Dec 2020

Lead DevOps & Software Engineer

Parkway Projects

Lagos, Nigeria

Architected Payzone bills payment and wallet platform using microservices.

Key Achievements

  • Implemented multi-country payment solutions increasing foreign revenue by 35%
  • Led multi-cloud migration of Ecobank payment infrastructure
  • Integrated with NIBSS EbillsPay expanding customer access
  • Architected multi-tenant payment collection platform
C#AzureDockerCI/CDRabbitMQ
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EngineeringFeb 2018 - Feb 2019

Senior Software Engineer

Parkway Projects

Lagos, Nigeria

Designed multi-tenant payment collection solutions across major African banks.

Key Achievements

  • Delivered solutions for Ecobank, AccessBank, Diamond Bank, FirstBank, UBA
  • Implemented Mozambique pension collections and Kenya eGovernment payments
  • Developed Ecobank-Entrust 2Factor Authentication module
  • Architected Multi-tenant eGovernment Tax Processor
C#.NETOraclePayment APIsSecurity
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DevOps & EngineeringJul 2017 - Jan 2018

Lead DevOps & Software Engineer

SilverEdge Projects

Lagos, Nigeria

Architected software automation and CI/CD pipelines for efficient delivery.

Key Achievements

  • Set up CI/CD pipelines using TeamCity, Bitbucket, Octopus Deploy
  • Provisioned and monitored AWS Cloud and on-premise infrastructure
  • Implemented SQL Tool Automation for database migrations
TeamCityOctopus DeployAWSBitbucketSQL
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Education & Certifications

M.Sc. Digital Technology & Transformation

Nexford University, Washington DC

B.Tech Computer Science

Federal University of Technology, Owerri

Certified Graduate Member

Computer Professionals of Nigeria

Featured Work

Projects & Products

Flagship products I've architected and led to scale, serving millions of users across Africa and beyond.

GTWorld App - Bold Fresh & Easy
GTBank

GTWorld Mobile Banking

Software Engineering Tech Lead2022 - 2023

Led the engineering of GTWorld, GTBank's flagship mobile banking application serving millions of customers across Africa. Architected the core banking integration layer, implemented real-time transaction processing, and built the 'Near Me' feature for locating nearby GTBank user for bank transaction like transfer using services.

5M+
Downloads
4.5★
Play Store Rating
2.5M+
Active Users
1M+
Transactions/Day

Technologies

KotliniOSC#.NET.NET CoreMicroservicesAWS EKSCoreBankingAWSRedisSQL ServerOracle
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Partnership

Who I Work With

If you have a real software problem, I would love to hear about it. Here is who typically reaches out:

Founders & Startups

Have a product idea? I help founders design, build, and ship their first version — or scale what's already working.

MVP developmentTechnical co-founder supportArchitecture design

Engineering Teams

Building or rebuilding a software system? I bring clarity to complex problems and help teams deliver faster.

Team leadershipCode review & mentoringProcess improvement

Companies with Technical Debt

Legacy system slowing you down? I specialize in modernizing architectures and reducing complexity.

System modernizationMicroservices migrationPerformance optimization

Organizations Needing Clarity

Not sure how to structure your technology? I help define architecture, roadmaps, and engineering strategy.

Architecture consultingTechnology roadmapsVendor evaluation

Anyone with a Software Problem

Have an idea you want to turn into working software? Let's talk about how to make it happen.

Problem-solving sessionsTechnical guidanceSolution design

Not sure if your situation fits? Reach out anyway — I am always happy to chat.

Let's Talk About Your Project
Capabilities

Problems I Solve

From designing systems to leading teams — here is what I can help you with.

Software System Design

Turning ideas into well-architected systems

Requirements Analysis
System Architecture
API Design
Database Modeling
Integration Patterns
Technical Documentation

Architecture & Scalability

Building systems that grow with your business

Microservices Architecture
Event-Driven Systems
Distributed Systems
Domain-Driven Design
Performance Optimization
High Availability Design

Cloud, DevOps & Reliability

Infrastructure that you can depend on

AWS & Azure
Docker & Kubernetes
CI/CD Pipelines
Infrastructure as Code
Monitoring & Observability
Security Best Practices

AI-Enabled Systems

Embedding intelligence into your software

LLM Integration
AI Agent Workflows
Intelligent Automation
Data Pipelines
ML Model Deployment
AI-Assisted Development

Engineering Leadership

Building and leading effective teams

Team Building
Technical Mentoring
Process Improvement
Delivery Management
Engineering Culture
Stakeholder Communication

FinTech & Complex Domains

Deep experience in regulated industries

Payment Systems
Banking Integrations
Multi-tenant Platforms
Compliance & Security
Transaction Processing
Identity & KYC

Technology Stack

C#.NET CoreNode.jsNestJSTypeScriptPythonReactNext.jsGraphQLPostgreSQLMongoDBRedisSQL ServerRabbitMQKafkaAWSDockerKubernetesTerraformGitHub Actions

Databases & Data

SQL ServerPostgreSQLMongoDBRedisOracleMySQL

Messaging Systems

RabbitMQApache KafkaAmazon SQSAzure ServiceBusMassTransit
Let's Build

Have a Project in Mind?

Whether you have an idea to explore, a system to build, or a problem to solve — I am here to help.

Let's talk about your project

Have a system to build? A product idea to validate? An architecture challenge to solve? I partner with founders, teams, and companies to turn ideas into working software.

Email
obieziefule@gmail.com
Phone
+234 706 454 8188
Location
Lagos, Nigeria (Open to Remote)

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