Abdulrosheed Lawal

➡️Software Engineer | C# | .NET | Javascript | DevOps

Salary / Daily rate

Oron, Akwa Ibom, Nigeria

Freelance, open to permanent contract

Skills

C#.NETJavascriptDevOpsLinuxScrumDockerPostgreSQLMySQLHTMLCSSGoogle Cloud PlatformMicroservicesSQL QueriesGitJiraKubernetesJenkinsNodePHPAWS

About me

Intro

Hi, I’m Abdulrosheed Lawal, a software developer with 5+ years of experience. I specialize in C# .NET, working on scalable backend systems, APIs, and cloud-based applications. Over the years, I’ve worked on projects across different industries, including fintech, healthtech, and education, building secure and high-performance applications. Some of my key contributions include: Developing a biometric-based transaction system, enhancing security and efficiency. Building a university portal system to streamline student and staff operations. Architecting and optimizing multi-tenant applications with PostgreSQL and MongoDB. Leading complex API integrations, including OAuth, OpenID Connect, and Keycloak. Mentoring junior developers and collaborating with teams across different time zones. One of the biggest lessons I’ve learned is that great software isn’t just about writing code—it’s about solving real problems efficiently. Beyond coding, I love sharing knowledge. I write about software development, career growth, and professional skills, and I’m passionate about mentoring aspiring developers. Outside of tech, I’m an avid football player and a huge fan of the game. When I’m not coding, you’ll probably find me on the pitch or analyzing matches. Always open to collaboration, learning, and building impactful solutions! 🚀

Links

Work experience

Sysbeams

Mar 2021 - Present

5 years 8 months

Remote, OR 97458, USA

Software Engineer - II

Jul 2022 - Present

4 years 4 months

Remote, OR 97458, USA

- Built a data collection and analytics platform used across 10+ African countries, improving monitoring accuracy by 60%. - Designed and implemented a university student portal used by 10,000+ students and staff, streamlining course registration and result processing. - Optimized event batching, reducing cloud publishing costs by 25% while handling millions of events daily. - Developed a biometric authentication system processing 50,000+ transactions monthly, reducing fraud by 40%.

Software Engineer I

Mar 2021 - Jul 2022

1 year 5 months

Remote, OR 97458, USA

- Integrated multiple payment gateways (Paystack, Flutterwave) to support seamless transactions for 20,000+ donors. - Developed a campaign tracking dashboard, allowing fundraisers to monitor donation trends in real-time. - Built a secure electronic medical record (EMR) system, enabling real-time access to patient data by doctors and nurses. - Implemented predictive analytics, improving patient care recommendations. - Built data visualization dashboards, helping hospital administrators track patient visits, treatment progress, and resource usage.


Education

National Open University of Nigeria

Bachelor of Science - BS, Computer Science

2021 - 2025

3 years 5 months

Skills: Computer Architecture · Visual Basic · Systems Design · Team Collaboration · Database Management System (DBMS) · Creative Problem Solving · MySQL · Communication

Code Learners Hub

2020 - 2021

11 months

Skills: .NET Core · JavaScript · Systems Design · C# · REST APIs · Team Collaboration · ASP.NET · Creative Problem Solving · SQL · MySQL · HTML · CSS · Communication · Agile Methodologies · PostgreSQL


Licenses & certifications

AWS Educate Introduction to Cloud 101

Issued: Feb 2025

Certified by Amazon Web Services (AWS)

AWS Educate Getting Started with Networking

Issued: Feb 2025

Certified by Amazon Web Services (AWS)

Introduction to DevOps

Issued: Aug 2024

Certified by IBM

DevOps Essentials

Issued: Aug 2024

Certified by Coursera

Algorithmic Toolbox

Issued: Aug 2024

Certified by UC San Diego

Software Engineer

Issued: Jul 2024

Certified by HackerRank

Foundational C# with Microsoft

Issued: Jul 2024

Certified by Microsoft

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