Nigel Guven

Proficient in the AWS suite of features for developing functionalities for web and mobile applications, including AWS infrastructure components such as DynamoDB, SQS, SNS, and S3.

Developed Systems and State Architecture diagrams for newly created microservices in UML, along with writing documentation and presenting new features to stakeholders.

Designed and developed a new customer login system using Duende Identity Server for SAML-based authentication, integrating Twilio for multi-factor authentication (MFA) verification.

Configured AppVeyor CI builds in collaboration with the architecture team to create project build scripts that encompass the main project, supplementary integrations, published packages, and tests.

Developed robust service endpoints and collaborated with Consul, Swagger, and Postman to ensure seamless network communication.

Utilized Docker to run services and test servers locally in containers, allowing for verification of feature functionality.

Took ownership of and implemented epic-level features, utilizing DynamoDB to create a reseller UI and configure transactional email settings.

Integrated new services using Kubernetes, Terraform, and Helm to develop scalable systems.

Developed event publishers for Apache Kafka data streams and utilized Elasticsearch for monitoring.

Served as the primary point of contact for technical support, investigating and resolving website issues related to login access, product availability, and payment processing.

Gained valuable experience in AWS development by creating Message Handlers for SQS and Client Controllers for service endpoints.

Investigated bugs reported by the QA team and resolved issues promptly, leading initiatives on CloudWatch Sinks/Splunk that have reduced platform bugs by up to 80% across all team microservices.

Took ownership of the team's microservice documentation and maintenance, implementing weekly monitoring on Cortex.

Maintained a high standard of code quality by integrating SonarQube, Jenkins builds with Groovy, and Stryker into the microservice repositories, validating well-structured unit and integration tests while ensuring consistent code coverage.

• Devised initiatives to reduce the amounts of errors on microservices by monitoring Splunk which led to reduction of production bugs by up to 80%.
• Completed investigations to check on reported errors, reproduce problems and trace faults within user systems.
• Spearheaded weekly triage meetings in order to prioritize fixing of production environment bugs.
• Streamlined the delivery of new company products via robust SQL scripts and being first point of contact for this area of the engineering division.
• Cultivated skills in the AWS suite of features by developing email handlers, SQS message processing and Dynamo DB migrations with key usage of AWS CLI.
• Updated and improved product web pages for relevancy and accuracy.

• Enrolled in the ESW 2020 Graduate programme for which I was responsible for integrating new retailers into ESW software environments.
• Becoming accustomed to Azure suite of features with key experience gained in Azure DevOps pipelines and CosmosDB.
• Built custom configurations for new retailers in the areas of payments, front-end styling and email templates, with key usage of C# and SQL.
• Created retailer cart and checkout pages with Bootstrap and Angular JS frameworks, delineating from Figma wireframes.
• Utilising Angular frameworks to add custom UI features to retailer checkout-pages based on requirements.
• Maintained detailed knowledge of languages and frameworks, including C#, SQL and web design.

• Employed with Veritas Technologies through the INTRA internship module spearheaded by DCU which enables students to gain valuable experience in a live industry.
• Worked on Enterprise Vault.Cloud e-mail archival system. Participated in adding a Vault Information Classifier search engine for GDPR regulations.
• Acquiring programming skills in JavaScript and C# under development of a Billing Notifications feature for user experience.
• Experienced the role of QA engineer in modules of EV.Cloud where testing was performed on functionality of new modules while writing automation testing scripts using Selenium/Fitnesse.
• Researched possible ways to perform cost optimization analysis of the product based on Microsoft Azure platform.