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I am Omotayo Alimi, a full-stack software engineer with 10 years of fintech-focused experience. I specialize in backend and frontend technologies (Java Spring Boot, PHP, React, NestJS, Next.js, MongoDB, REST) and cloud platforms like AWS (Lambda, EC2, Fargate, S3). I also have hands-on experience with blockchain APIs and Web3 basics, Docker, GitHub Actions, and CI/CD pipelines. I’ve led product development and engineering teams to launch financial platforms used by thousands, and I’m actively seeking full-stack roles in fintech or startups with remote or hybrid options. I thrive on building scalable, secure systems and collaborating across product, design, and operations. I enjoy turning complex banking and payment workflows into reliable, observable services, and I’m motivated by opportunities to mentor engineers and drive impactful product outcomes.…I am Omotayo Alimi, a full-stack software engineer with 10 years of fintech-focused experience. I specialize in backend and frontend technologies (Java Spring Boot, PHP, React, NestJS, Next.js, MongoDB, REST) and cloud platforms like AWS (Lambda, EC2, Fargate, S3). I also have hands-on experience with blockchain APIs and Web3 basics, Docker, GitHub Actions, and CI/CD pipelines. I’ve led product development and engineering teams to launch financial platforms used by thousands, and I’m actively seeking full-stack roles in fintech or startups with remote or hybrid options. I thrive on building scalable, secure systems and collaborating across product, design, and operations. I enjoy turning complex banking and payment workflows into reliable, observable services, and I’m motivated by opportunities to mentor engineers and drive impactful product outcomes.

Omotayo Alimi

Full Stack Developer, Web Developer, Back-End Developer, +4

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I am Omotayo Alimi, a full-stack software engineer with 10 years of fintech-focused experience. I specialize in backend and frontend technologies (Java Spring Boot, PHP, React, NestJS, Next.js, MongoDB, REST) and cloud platforms like AWS (Lambda, EC2, Fargate, S3). I also have hands-on experience with blockchain APIs and Web3 basics, Docker, GitHub Actions, and CI/CD pipelines. I’ve led product development and engineering teams to launch financial platforms used by thousands, and I’m actively seeking full-stack roles in fintech or startups with remote or hybrid options. I thrive on building scalable, secure systems and collaborating across product, design, and operations. I enjoy turning complex banking and payment workflows into reliable, observable services, and I’m motivated by opportunities to mentor engineers and drive impactful product outcomes.…I am Omotayo Alimi, a full-stack software engineer with 10 years of fintech-focused experience. I specialize in backend and frontend technologies (Java Spring Boot, PHP, React, NestJS, Next.js, MongoDB, REST) and cloud platforms like AWS (Lambda, EC2, Fargate, S3). I also have hands-on experience with blockchain APIs and Web3 basics, Docker, GitHub Actions, and CI/CD pipelines. I’ve led product development and engineering teams to launch financial platforms used by thousands, and I’m actively seeking full-stack roles in fintech or startups with remote or hybrid options. I thrive on building scalable, secure systems and collaborating across product, design, and operations. I enjoy turning complex banking and payment workflows into reliable, observable services, and I’m motivated by opportunities to mentor engineers and drive impactful product outcomes.

Available to hire

I am Omotayo Alimi, a full-stack software engineer with 10 years of fintech-focused experience. I specialize in backend and frontend technologies (Java Spring Boot, PHP, React, NestJS, Next.js, MongoDB, REST) and cloud platforms like AWS (Lambda, EC2, Fargate, S3). I also have hands-on experience with blockchain APIs and Web3 basics, Docker, GitHub Actions, and CI/CD pipelines. I’ve led product development and engineering teams to launch financial platforms used by thousands, and I’m actively seeking full-stack roles in fintech or startups with remote or hybrid options.

I thrive on building scalable, secure systems and collaborating across product, design, and operations. I enjoy turning complex banking and payment workflows into reliable, observable services, and I’m motivated by opportunities to mentor engineers and drive impactful product outcomes.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Language

English

Fluent

Work Experience

Lead Software Engineer at CeeDee Investment

August 1, 2022 - Present

Designed and implemented middleware microservices to route mobile and USSD transactions between front-end apps and core banking systems. Built transaction switching, session management, and retry logic using NestJS, Java, Redis, and RabbitMQ. Created a React-based internal monitoring dashboard for real-time visibility into live transactions and failed requests. Deployed services to production with autoscaling on AWS EC2/Fargate and integrated system logs with CloudWatch. Collaborated with stakeholders to define API contracts, SLAs, and onboarding guides for third-party integrations.

Senior Software Engineer at LidwayTech Solutions

January 1, 2022 - January 1, 2025

Led backend development of Veezah, a real-time transaction alerting platform with balance aggregation across accounts. Built webhook listeners, notification engines (email/SMS), and wallet sync logic using NestJS, MongoDB, and AWS SES/SNS. Developed frontend dashboards in React.js with Tailwind CSS, featuring budget breakdowns, categorized spending, and real-time alerts. Created and documented APIs, integrated third-party banking SDKs, and implemented CI/CD pipelines with GitHub Actions. Mentored junior developers, reviewed PRs, and maintained API documentation.

Technical Engineering Lead at Dustbin Boy Solutions

August 1, 2020 - September 1, 2022

Designed the architecture for a waste collection system with daily scheduling, vehicle routing, and bin inventory tracking. Built backend scheduling logic and dispatcher controls in PHP, optimized query execution via indexed MySQL structures. Created frontend interfaces for city agents using Bootstrap, with interactive route maps and drag-and-drop schedules. Integrated SMS notifications for residents and built an analytics dashboard for city waste managers. Led testing, production deployment, and integration with municipal dashboards.

Lead Software Engineer at Rubies Digital Bank

March 1, 2019 - September 1, 2020

Led architecture of a cloud-native core banking system, using Java microservices deployed on AWS Lambda. Collaborated with product teams to define digital banking workflows and compliance safeguards. Built customer onboarding, KYC verification, transaction posting, and account ledger modules. Designed a wallet-based system supporting real-time transfers, savings goals, and airtime/data purchases. Developed React-based user portals and admin panels; monitored production services with CloudWatch and deployed via S3 + CloudFront.

Senior Software Engineer at Qucoon Ltd

May 1, 2018 - March 1, 2019

Built and maintained internet banking portals for DBN and Haggai Mortgage Bank, supporting login, account overview, statements, transfers, and bill payments. Developed secure user session handling, RBAC, and audit logging with Java/JSP and PostgreSQL. Customized dashboards and budgeting modules for SME clients. Helped deploy and test USSD channels in Sierra Leone, including balance checks and PIN resets. Conducted QA, deployment, and knowledge transfer with in-house banking IT teams.

Software Engineer at Qucoon Ltd

May 1, 2017 - May 1, 2018

Developed fund transfer, airtime purchase, and balance inquiry flows for the Octopus Chatbot by Heritage Bank, Nigeria, integrating with Facebook Messenger and Telegram APIs. Implemented backend logic in PHP with session validation and webhook consumption for real-time updates. For Keystone Bank, Nigeria, built modules for account login, statement download, transfer history, and interbank transfers using Java/JSP and Oracle DB. Contributed to Heritage Bank's SME-focused platform for business account registration and transaction summaries, focusing on frontend integration and core dashboards.

Lead Software Engineer at CeeDeeInvestment

August 1, 2022 - January 1, 2026

Designed and implemented middleware microservices to route mobile and USSD transactions between front-facing apps and core banking systems. Built transaction switching, session management, and retry logic using NestJS, ElasticSearch, and resilient request handling. Deployed services to production with autoscaling on AWS EC2/Fargate; integrated search, Java Spring Boot, Redis, and RabbitMQ. Created a React-based internal monitoring dashboard for real-time visibility into live transactions and system logs using CloudWatch. Collaborated with stakeholders to define API contracts, SLAs, and onboarding guides for third-party integrations.

Senior Software Engineer at LidwayTechSolutions

January 1, 2022 - January 1, 2025

Backend development of Veezah, a real-time transaction alerting platform with MongoDB and AWS SES/SNS. Developed frontend dashboards in React.js with TailwindCSS featuring budget breakdowns across accounts. Built webhook listeners, notification engines (email/SMS), and wallet sync logic using NestJS, categorized spending, and real-time alerts. Created and documented APIs, integrated third-party banking SDKs, and implemented CI/CD pipelines with GitHub Actions. Mentored junior developers, reviewed PRs, and maintained API documentation.

Technical Engineering Lead at DustbinBoySolutions

August 1, 2020 - September 1, 2022

Designed the architecture for a waste collection system that supports daily scheduling, vehicle routing, and bin inventory tracking. Built backend scheduling logic and dispatcher controls in PHP, optimized query execution via indexed MySQL structures. Created frontend interfaces for city agents and coordinators using Bootstrap, with interactive route maps and drag-and-drop schedules. Integrated SMS notification for residents and implemented an analytics dashboard for city waste managers. Oversaw testing, production deployment, and integration with municipal dashboards.