# Caleb Aregbesola > Software Engineer Location: United States, United States Profile: https://flows.cv/calebaregbesola Software Engineer with experience designing and delivering scalable, data-driven applications. Skilled in .NET and C#, React and modern web technologies. Strong background in distributed systems and database optimization, with expertise in API development and cloud deployment. I work across the full lifecycle: architecture and coding, testing and deployment. I focus on solving complex engineering problems, improving performance and reliability, and collaborating with teams to deliver clean, maintainable software. ## Work Experience ### Software Engineer @ LoopUp Jan 2023 – Jan 2025 | San Francisco, California, United States I contributed to the development and optimization of cloud-based communication services, focusing on scalability, reliability, and performance. I worked extensively on event-driven architectures and distributed systems, applying C# .NET and cloud technologies to enhance telephony integration and remote meeting solutions for Microsoft Teams. Key Responsibilities • Developed and optimized microservices to improve scalability, flexibility, and maintainability within LoopUp’s cloud telephony and hybrid communication platform. • Worked on CI/CD pipelines, automating deployments and rollback strategies to enable zero-downtime upgrades and continuous delivery. • Ensured system reliability and high availability, conducting unit testing, integration testing, and end-to-end testing, achieving above 80% code coverage on all services. • Gained hands-on experience with containerization tools like Docker and Kubernetes, supporting microservice deployment and orchestration. • Collaborated with cross-functional teams, designing scalable distributed solutions that enhanced global cloud telephony integration for multinational enterprises. • Implemented performance enhancements on core services, improving response times through caching strategies and latency reduction techniques. ### Software Developer Dotnet @ Optimus Bank Jan 2023 – Jan 2023 | Lagos State, Nigeria ### Associate Software Engineer @ Decagon Jan 2022 – Jan 2023 | Lagos, Lagos State, Nigeria • Improved the functionality of a wallet API with a 90% minimum code coverage by maintaining a low rate of bugs and defects in production. • Reduced post-deployment faults to 5% on all new/modified codes, meeting project completion deadlines 95% of the time. • Designed, built, and maintained efficient, reusable, and reliable software solutions using the .NET framework and related technologies. • Enhanced the interfaces and interactions of software solutions for users that adhered to the product roadmap, including test cases and release plan milestones. • Built RESTful APIs and SOAP APIs with Asp.Net Core that served data to the JavaScript front-end frameworks (React and Angular) based on dynamically chosen user inputs. • Reduced project completion timelines by promptly writing, debugging, and troubleshooting code issues using C# and ReactJS languages and applying algorithm and data structure techniques and knowledge. • Implemented testing and deployment processes for software applications in cross-functional collaboration with agile teams to define, design, and ship new features. • Optimized the smooth retrieval of information by managing databases and database management solutions, including Microsoft SQL Server and Entity Framework Core. • Integrated TOKEN-based authentication in web API projects and numerous web security checks (XSS, CSRF, SQL Injection, etc.) in Asp.Net Core web applications. ### Software Developer @ Moon Innovations Jan 2021 – Jan 2023 | Lagos, Lagos State, Nigeria • Implemented data flow control, authentication, and bi-directional communication with the front end through API endpoints, ensuring a seamless and secure user experience. • Leveraged my experience in server management to deploy applications to a Heroku server, ensuring a platform that is optimized for testing, demonstration purposes, and ultimate usage. • Implemented testing and deployment processes for software applications in cross-functional collaboration with agile teams to define, design, and ship new features. • Reduced project completion timelines by promptly writing, debugging, and troubleshooting code issues using ReactJS and applying the algorithm and data structure techniques and knowledge. ### Software Engineer @ InvenTechNG Jan 2018 – Jan 2020 • Collaborated with hardware engineers to ensure the software and hardware components work seamlessly together. • Participating in code reviews and contributing to the continuous improvement of our software development processes. ### Trainee, Fleet Support Group @ Nigerian Navy Jan 2018 – Jan 2019 | Lagos, Nigeria ## Education ### Master's degree in Computer Science Austin Peay State University Jan 2025 – Jan 2026 ### Bachelor of Science - BS in Electrical and Electronics Engineering Obafemi Awolowo University Jan 2015 – Jan 2020 ## Contact & Social - LinkedIn: https://linkedin.com/in/caleb-aregbesola --- Source: https://flows.cv/calebaregbesola JSON Resume: https://flows.cv/calebaregbesola/resume.json Last updated: 2026-03-20