Hello, I'm
Ushahemba Shir
Senior Software Developer
Backend-focused Software Engineer with 6+ years of experience designing, building, and scaling high-impact systems across fintech and healthtech. Skilled in secure payment infrastructures, real-time disbursement platforms, and distributed systems built for reliability and measurable business impact.
Technical Skills
Technologies and tools I work with to build robust, scalable solutions
Languages & Frameworks
Databases
Cloud & DevOps
Architecture
Experience
My professional journey building scalable systems and leading development teams
Backend Engineer
Soft Alliance (Contract)
Mar 2025 - Present
- •Architected and delivered multi-gateway payment integrations (Interswitch, Remitta, Flutterwave, Credo), enabling secure payment processing, authentication, and webhook-driven confirmations
- •Built real-time disbursement and government collection systems via Central Bank of Nigeria APIs, improving platform performance by 3× through database and caching optimizations
- •Owned development of a secure Payment Solution Service Provider (PSSP) admin platform with RBAC, key management, IP whitelisting, and 2FA authentication, supporting enterprise-grade payment operations
Senior Backend Developer
Octosoft Technologies Ltd (Full-time)
Sept 2023 - July 2025
- •Built REST APIs, laboratory module and dynamic form builder service powering 200+ hospitals
- •Led CI/CD automation with GitHub Actions, cutting release time by 50%
- •Developed secure payment module integrating internal and 3rd-party gateways
Full Stack Developer
Nawill Technology Ltd (Full-time)
Mar 2019 - Aug 2023
- •Delivered full-stack solutions with Node.js & React including real-time chat system
- •Mentored junior developers and enforced clean architecture & testing best practices
New initiative
DevPath
Trying to get into tech? Already in tech but feel stuck? DevPath is a free space where I share what I've learned and answer your questions — no school, just real direction.
Send “DevPath” to +234 901 851 5257 on WhatsApp, or join the group below.
Let's Work Together
Looking for a skilled backend developer to build scalable systems, optimize performance, or architect your next project? Let's connect.