Solomon Igbigbi
Senior Full-Stack Engineer building scalable, revenue-driven products
I design and build secure, high-performance web and fintech systems — from APIs and cloud infrastructure to clean, user-friendly interfaces.
01 — About
Engineering with purpose.
I'm Solomon Igbigbi, a Senior Full-Stack Engineer with over 4 years of hands-on experience building scalable backend systems and production-ready frontend applications.
I specialize in designing secure APIs, financial systems, and cloud-native applications that power real businesses. I've worked across FinTech, enterprise platforms, Web3, and high-traffic consumer products — from early-stage startups to global companies like AB InBev.
Beyond writing code, I care deeply about architecture, performance, security, and building systems that are easy to maintain and scale.
02 — What I Do
End-to-end engineering.
Backend Engineering
- Scalable REST & GraphQL APIs
- Microservices architecture
- Database design & optimization
- Payment & financial system integration
Frontend Engineering
- Modern React & Next.js applications
- Responsive, accessible interfaces
- Design system implementation
- Performance optimization
Cloud & Infrastructure
- AWS, GCP & Azure deployments
- CI/CD pipeline design
- Containerization with Docker & K8s
- Infrastructure as Code (Terraform)
Team Leadership
- Technical mentoring & code reviews
- Agile project management
- Architecture decision-making
- Cross-functional collaboration
03 — Tech Stack
Tools I work with.
Backend
Frontend
Cloud & DevOps
Other
04 — Experience
Where I've made impact.
November 2024 — Present
Senior Backend Engineer
Famous Technology · Full-Time, Nigeria
- Built and maintained secure, high-performance backend APIs powering core FinTech services, including payments, KYC, and wallet operations
- Integrated with CreditSwitch, Dojah, and Stanbic Virtual Account Service to enable seamless fund transfers, virtual accounts, and identity verification
- Designed and implemented a scalable e-wallet system with transaction tracking, reconciliation, and audit logging for financial compliance
April 2021 — July 2025
Full Stack Engineer (Tech Lead)
Anheuser-Busch InBev (AB InBev) · Contract, Nigeria$1M+ Revenue
- Created and launched over 5 web apps, one of which generated over $1,000,000 in revenue
- Converted UI designs to optimized web pages
- Head development and APIs, implemented and ensured team members followed best practices and architecture/structure, reducing time for review and debugging by over 80%
- Collaborated with a 4-man team and tracked projects with Git, GitHub, Jira, Azure
- Leading a team of over 5 developers
April 2024 — June 2024
Full Stack Engineer (Web3)
ExxNetwork · Contract, Nigeria
- Worked with ethers.js to communicate with the blockchain in building market automation bots
- Created and deployed trading bots
- Developed a web-based launchpad platform with its first presale having over 50 buyers
Jan 2023 — Feb 2023, Oct 2023 — Nov 2023
Full Stack Engineer
Bonsaiilabs · Contract, Canada
- Worked on an AWS Lambda function that initiates recurring payments and handles webhook responses from Plaid
- Utilized Zustand for managing state and PostHog for optional feature releases
- Utilized AWS-CDK to set up infrastructures and resources from code
- Integrated with Plaid APIs to enable users to connect their bank accounts for payments
- Refactored existing web pages to optimize speed and accessibility
January 2023 — June 2023
Backend Engineer
AIBanc (FinTech) · Full-Time, Nigeria
- Maintained and refactored the code base, improving speed and reducing complexity and cost consumption
- Adopted ideal security practices to ensure safety of endpoints and applications
- Utilized MongoDB for storing data like transaction histories and other logs for faster retrieval
March 2020 — April 2021
Backend Engineer
The Bulb Africa · Full-Time, Nigeria
- Optimized existing APIs built on Node.js, Express, Sequelize, and MySQL for scalability, speed, and cost efficiencies
- Set up API V2 of a job search/recruitment system with over 500 users
- Worked with Git, Bitbucket pipelines, and AWS for deployment, increasing time for development and production by over 50%
May 2021 — June 2021
Frontend Engineer
CoffersNg · Freelance, Nigeria
- Converted UI designs to pixel-perfect and responsive web pages with React and Sass
- Implemented Atomic Design Structure, increasing work output 5x faster
- Applied Redux for state management
- Utilized Paystack for payment integration and deployed to AWS S3 using GitHub Actions
October 2019 — March 2020
Full Stack Engineer
Yabure · Full-Time, Nigeria
- Architected, designed and structured databases and APIs with Node.js, Fastify, Prisma, and PostgreSQL
- Used GitHub, CircleCI, and Docker for CI/CD to deploy code to AWS for production with over 100 users
- Employed Google GCP for push notifications, set up SSL Manager with Let's Encrypt, and routed with AWS Route53
05 — Selected Projects
Things I've built.
06 — Achievements
By the numbers.
07 — Contact
Let's build something.
If you're looking for a senior engineer who understands both business impact and technical depth, let's talk.