Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am a skilled and experienced Full Stack Software Engineer with a passion for building scalable, secure systems and delivering high-quality solutions. I have expertise in full-stack development, DevOps, cloud computing, and open-source technologies. I enjoy working collaboratively, participating in agile processes, and mentoring others in cloud technologies and secure coding practices. With experience across various industries including government and commercial sectors, I focus on developing reliable, event-driven backend services and deploying microservices with container orchestration. I also prototype machine learning models and emphasize incorporating security best practices throughout the software delivery lifecycle.…I am a skilled and experienced Full Stack Software Engineer with a passion for building scalable, secure systems and delivering high-quality solutions. I have expertise in full-stack development, DevOps, cloud computing, and open-source technologies. I enjoy working collaboratively, participating in agile processes, and mentoring others in cloud technologies and secure coding practices. With experience across various industries including government and commercial sectors, I focus on developing reliable, event-driven backend services and deploying microservices with container orchestration. I also prototype machine learning models and emphasize incorporating security best practices throughout the software delivery lifecycle.

Chidi Onyema

Full Stack Developer, DevOps Developer, Cloud Developer, +2





I am a skilled and experienced Full Stack Software Engineer with a passion for building scalable, secure systems and delivering high-quality solutions. I have expertise in full-stack development, DevOps, cloud computing, and open-source technologies. I enjoy working collaboratively, participating in agile processes, and mentoring others in cloud technologies and secure coding practices. With experience across various industries including government and commercial sectors, I focus on developing reliable, event-driven backend services and deploying microservices with container orchestration. I also prototype machine learning models and emphasize incorporating security best practices throughout the software delivery lifecycle.…I am a skilled and experienced Full Stack Software Engineer with a passion for building scalable, secure systems and delivering high-quality solutions. I have expertise in full-stack development, DevOps, cloud computing, and open-source technologies. I enjoy working collaboratively, participating in agile processes, and mentoring others in cloud technologies and secure coding practices. With experience across various industries including government and commercial sectors, I focus on developing reliable, event-driven backend services and deploying microservices with container orchestration. I also prototype machine learning models and emphasize incorporating security best practices throughout the software delivery lifecycle.

Available to hire

I am a skilled and experienced Full Stack Software Engineer with a passion for building scalable, secure systems and delivering high-quality solutions. I have expertise in full-stack development, DevOps, cloud computing, and open-source technologies. I enjoy working collaboratively, participating in agile processes, and mentoring others in cloud technologies and secure coding practices.

With experience across various industries including government and commercial sectors, I focus on developing reliable, event-driven backend services and deploying microservices with container orchestration. I also prototype machine learning models and emphasize incorporating security best practices throughout the software delivery lifecycle.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Full Stack Engineer at OSL Technologies

January 31, 2025 - July 29, 2025

Designed and implemented intelligent security systems, counter-drone and situational intelligence applications enhancing security at critical infrastructures. Developed event-driven backend systems for real-time data processing using technologies like .NetCore, Java, WebSockets, RabbitMQ, and MQTT. Deployed and managed microservices with Docker and Linux container orchestration. Prototyped machine learning models for threat detection. Utilised gRPC and REST APIs for system integration. Actively engaged in agile ceremonies focusing on security and collaborated closely with QA for penetration testing and vulnerability assessment.

Technical Lead at HM Courts & Tribunals Service (via Solirius Consultancy)

February 29, 2024 - July 29, 2025

Oversaw architecture, software development, DevOps, cloud migration, and production support for UK government digital services, adhering to GDS standards. Developed services including online plea and Gender Recognition Certificate applications. Implemented CI/CD pipelines with Terraform, Helm, and Kubernetes, embedding security best practices. Led infrastructure modernization and cloud migration across multi-language microservices in AWS and Azure. Mentored junior engineers, participated in agile teams, and ensured integrated security throughout development lifecycle.

Senior .NET Developer at Flagstone

March 31, 2023 - July 29, 2025

Developed an advanced cash deposit platform using .NET Core, C#, Azure, and SQL focusing on optimising interest rates. Employed domain-driven design, event driven architecture, CQRS and messaging frameworks for maintainability. Improved CI/CD pipelines, reduced build times, and enhanced automated testing. Worked within an agile team to deliver scalable, resilient software. Implemented observability with Prometheus and Grafana for proactive monitoring and alerting.

Senior Full Stack Engineer at Omnio

May 31, 2022 - July 29, 2025

Contributed to a Banking-as-a-Service platform delivering core banking functionalities including onboarding, KYC, and account management using C#, .NET, Vue.js, and Azure. Used event sourcing for traceable customer account history. Developed reliable backend services achieving high availability and security. Collaborated cross-functionally in an agile environment to deliver client-centric solutions and scalable platform integration.

Full Stack/Platform Engineer at StepStone UK

March 31, 2021 - July 29, 2025

Led cloud platform transformation embracing AWS, Docker, and Kubernetes. Designed and deployed an enterprise-wide secrets management solution using AWS KMS, ensuring secure credential management. Built a self-service provisioning portal to streamline cloud resource deployment. Improved developer experience with standardized templates and automation. Supported production environments, enhancing scalability, reliability, and security.

Lead .NET Software Engineer at Philip Morris International

August 31, 2020 - July 29, 2025

Developed a micro-services cloud platform with .NET Core and Azure Kubernetes Service for commercial REST APIs. Automated infrastructure and deployment using Terraform, Helm, and Azure DevOps. Streamlined CI/CD pipelines and implemented zero-downtime deployment strategies. Enhanced observability with Prometheus and Grafana, plus Azure monitoring tools to improve performance and scalability. Collaborated with cross-functional teams focusing on DevOps and security integration.

Software Engineer at ASOS

January 31, 2019 - July 29, 2025

Modernized Digital Asset Management platform using micro-services architecture with .NET Core, Azure, Docker, and Event Sourcing. Delivered clean, maintainable code with containerised deployments and cloud-native services. Collaborated with cross-functional teams to enhance platform scalability, maintainability, and performance.

Lead Developer at StepStone UK

August 31, 2018 - July 29, 2025

Architected and deployed containerised micro-services on AWS ECS. Developed scalable .NET Core applications and implemented infrastructure-as-code using Terraform. Configured Nginx for load balancing and edge caching to optimize SEO and application performance. Managed relational and NoSQL databases and designed secure, high-availability AWS architectures.

Senior Developer at Tesco PLC

April 30, 2016 - July 29, 2025

Contributed to building an IaaS/private cloud platform to reduce infrastructure provisioning times. Developed scalable backend services with .NET and dynamic frontends with Angular. Managed Citrix Xen and VMware vSphere pools and automated virtual machine lifecycle processes to improve operational efficiency.

Lead Consultant at Total jobs Group

March 31, 2015 - July 29, 2025

Led SaaS platform integration with internal systems using C# and APIs to support client email marketing campaigns. Optimised Salesforce workflows and automated campaigns in Salesforce Marketing Cloud, increasing outreach and client satisfaction. Developed custom solutions for data synchronisation and collaborated with cross-functional teams to ensure scalable and secure integration.

Contract Software Engineer at BBC

June 30, 2014 - July 29, 2025

Designed and implemented automated media processing workflows using .NET Framework and C#, improving operational efficiency and accelerating content delivery. Developed scalable components with strong software architecture and design patterns. Collaborated across teams to ensure system met business needs and enhanced performance via optimized queries and API integration.