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Hello, I'm Peter Tochukwu Amalu, a senior software engineer with over 10 years of experience in backend development and cloud platforms. I've led teams, improved system performance, and driven cost reductions while ensuring applications meet 100% of product requirements. I thrive on building scalable services, migrating systems to AWS, and delivering reliable software through testing, automation, and DevOps practices.…Hello, I'm Peter Tochukwu Amalu, a senior software engineer with over 10 years of experience in backend development and cloud platforms. I've led teams, improved system performance, and driven cost reductions while ensuring applications meet 100% of product requirements. I thrive on building scalable services, migrating systems to AWS, and delivering reliable software through testing, automation, and DevOps practices.

Peter Tochukwu Amalu

Back-End Developer, Web Developer, Full Stack Developer, +2

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Hello, I'm Peter Tochukwu Amalu, a senior software engineer with over 10 years of experience in backend development and cloud platforms. I've led teams, improved system performance, and driven cost reductions while ensuring applications meet 100% of product requirements. I thrive on building scalable services, migrating systems to AWS, and delivering reliable software through testing, automation, and DevOps practices.…Hello, I'm Peter Tochukwu Amalu, a senior software engineer with over 10 years of experience in backend development and cloud platforms. I've led teams, improved system performance, and driven cost reductions while ensuring applications meet 100% of product requirements. I thrive on building scalable services, migrating systems to AWS, and delivering reliable software through testing, automation, and DevOps practices.

Available to hire

Hello, I’m Peter Tochukwu Amalu, a senior software engineer with over 10 years of experience in backend development and cloud platforms. I’ve led teams, improved system performance, and driven cost reductions while ensuring applications meet 100% of product requirements.

I thrive on building scalable services, migrating systems to AWS, and delivering reliable software through testing, automation, and DevOps practices.

Skills

Experience Level

Expert

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Work Experience

Senior Backend Engineer at Guaranty Trust Holding Company (SquadCo)

September 1, 2023 - Present

Engineered and maintained over 50 RESTful APIs, webhooks, queues, jobs, and background services using C#, Node.js, and Python, reducing latency by 90% and enhancing user experience across multiple applications. Led a team of 5 engineers in Scrum, overseeing web, USSD, mobile, and background services; optimized algorithms and conducted code reviews. Improved a high-traffic service's transaction success rate from 87% to 99% by implementing fallback and redundancy mechanisms. Migrated on-premises services to AWS (ELB, ASG, EC2, RDS, S3) to improve scalability and reliability. Automated 95% of repetitive tasks with Bash and Node.js, reducing manual intervention by about 20 hours monthly. Built CI/CD pipelines with GitLab CI for deploying apps on AWS EC2 and on-prem servers behind a VPN.

Senior Software Engineer at Appzone (Qore)

February 1, 2023 - August 1, 2023

Led a team of 4 using Kanban; managed full SDLC for applications using JavaScript, C#, React, Vue, and GraphQL. Rewrote about 40% of the codebase from .NET 3.5 to .NET 6.0, significantly improving performance and maintainability. Implemented automated monitoring and alerting for service and database performance with Datadog, consolidating logs and reducing incident response time by 40%. Developed and maintained over 200 unit tests with xUnit using TDD, reducing bugs by 30% and improving code quality by 25%.

Backend Engineer at Guaranty Trust Holding Company (SquadCo)

May 1, 2021 - January 31, 2023

Created microservices in C# and Node.js for payment, settlement, and dispute resolution, deployed on AWS; supported a high-volume transaction service handling up to 20,000 transactions per second. Automated MySQL database management, including backups and millisecond data retrieval, ensuring 100% uptime. Used Apache JMeter for load testing and Selenium for automated QA; identified bottlenecks and improved performance under peak loads.

Senior Software Developer at Digiware LTD

January 1, 2019 - April 30, 2021

Revamped a hotel management and accounting system (HotelMan) used by over 200 hotels, built with ASP.NET MVC, C#, HTML/CSS/JavaScript, SQL Server, deployed on Azure. Developed a hotel reservation API using ASP.NET Core, integrated with on-prem databases and third-party payment systems, processing over 10,000 transactions monthly with real-time booking. Worked on Web3 projects integrating blockchain technology using C# for secure payments.

Software Developer at Digiware LTD

September 1, 2015 - December 31, 2018

Designed and deployed five custom applications (sales/inventory, school management, hospital management) using ASP.NET WebForms, Xamarin, HTML, CSS, JavaScript, and C#, improving data accuracy by 35%. Conducted extensive testing across multiple projects, resolved over 100 issues, delivering high-quality software with 98% client satisfaction.