Ngah Valery Nkarakwi

Company Summary

Infosys provides various IT services, including software development and maintenance services to companies in finance, insurance, manufacturing, and other domains. The company is known for its automation, artificial intelligence, cloud computing, and data analytics expertise.

Responsibilities

Assignments: Citizens Bank and Charles Schwab

Automate workflows, manage infrastructure and foster a culture of continuous integration and delivery to enhance efficiency and collaboration

• Implement CI/CD pipelines to automate software deployment, slashing deployment time while promoting a more agile development process.
• Implement strategic cost optimization measures, reducing AWS cloud infrastructure operational expenses by an average of 2% quarterly through enhanced automation and process improvements.
• Implement infrastructure as code (IaC) using tools like Terraform and CloudFormation
• Automate the installation of packages and patches using configuration management tools such as Ansible (Ansible playbooks) fostering a better visibility into infrastructure changes.
• Lead the adoption of automation best practices, boosting deployment efficiency.
• Manage version control systems, such as Git (GitHub), to oversee branching and merging strategies
• Optimize system performance and troubleshoot issues
• Provide ongoing support and maintenance for production environments, including patch management and updates
• Implement and manage monitoring and logging solutions using tools like Prometheus, Grafana
• Set up and maintain CI/CD pipelines so that, commits developers make go through standard software development lifecycle and get tested well enough before it can make it to production.
• Automate manual tasks through scripting languages such as Python or Shell, boosting team productivity levels.
• Design and manage cloud infrastructures using AWS, which includes VPC, EC2, S3, Lambda, Cloud Watch, SNS, AWS Organizations, IAM, Cloud Front, Elastic File System, RDS, Direct Connect, Route53, Cloud Watch, Cloud Trail, and IAM. Operations were automated using CloudFormation.
• Orchestrate robust governance policies, standardizing account structures, enhancing security compliance, and optimizing resource provisioning, resulting in increased operational efficiency and security.
• Collaborate with cross-functional teams to design and implement robust security practices, fortifying defenses against potential threats.
• Establish comprehensive documentation processes using Confluence and SharePoint, ensuring the creation and maintenance of clear and up-to-date architectural documentation, standard operating procedures, and knowledge base articles, thereby enhancing team collaboration and knowledge sharing
• Monitor for microservice-based applications using Grafana and Prometheus.
• Provide on-call support for critical systems, ensuring high availability and rapid issue resolution.
• Improve code deployment efficiency by automating processes with CI/CD pipelines.

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Company Summary

CTBC Bank is a financial institution, offering personal banking, corporate banking, wealth management, and insurance services. It operates globally, focusing on innovation and customer-centric financial solutions.

Responsibilities

Managed user access and account isolation at scale and collaborated with the architecture team to design, implement, and maintain our infrastructure, ensuring robust security, efficiency, and scalability.

• Implemented robust backup and disaster recovery strategy, resulting in enhanced data resilience, and reduced recovery time objectives, ensuring business continuity.
• Utilized AWS Organizations to manage and govern multiple AWS accounts centrally, implementing consolidated billing, security policies, and automated account provisioning to ensure compliance and streamline resource management.
• Developed and deployed serverless solutions using AWS Lambda to automate data processing workflows, enabling real-time data transformation, reducing operational costs, and enhancing scalability by integrating with services such as Amazon S3, DynamoDB, and API Gateway.
• Utilized IAM to manage users, groups, and roles, assigning specific permissions to individual users and services.
• Orchestrated robust governance policies, standardizing account structures, enhancing security compliance, and optimizing resource provisioning, resulting in increased operational efficiency.
• Led teams in designing and implementing a robust 3-tier architecture, encompassing a highly available and scalable solution with a web layer using Amazon EC2, an application layer with AWS Elastic Beanstalk, and a secure database layer utilizing Amazon RDS.
• Collaborated with security teams to ensure compliance with industry standards.
• Worked closely with development teams to troubleshoot and optimize application performance.
• Managed and optimized cloud infrastructure on AWS
• Built AWS infrastructure through configuration management tools CloudFormation and Ansible.
• Designed architectural diagrams for applications before migrating into Amazon Cloud for flexible, cost-effective, reliable, scalable, high-performance, and secured operations.
• Responsible for onboarding application teams to build and deploy their code using GitHub, Jenkins, Nexus, and Ansible.
• Set up databases in AWS using RDS and configured instance backups to S3 buckets.
• Configured AWS Import/Export to accelerate moving large amounts of data into and out of AWS using portable storage devices for transport.
• Deployed VPC with VPN attachment to physical data centers.
• Used metrics to monitor application and infrastructure performance.
• Reviewed existing systems and made recommendations for improvements.

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Company Summary

Visa Inc. is a global payments technology company, facilitating electronic funds transfers worldwide. It provides credit, debit, and prepaid cards, enabling secure, fast, and reliable transactions.

Responsibilities

facilitates Agile project management, ensuring that the Scrum framework is followed by removing impediments, coaching the team, and fostering an environment for continuous improvement and collaboration.

• Collaborated with Product Owners to refine requirements and ensure alignment with business goals, cutting down on sprint planning time by 10%.
• Optimized resource allocation by identifying and addressing bottlenecks in project workflows, leading to reduced time-to-market for product releases.
• Reduced technical debt by actively identifying areas requiring refactoring or architectural improvements during sprint planning sessions.
• Facilitated seamless integration of new team members into existing projects without compromising productivity levels.
• Implemented continuous improvement initiatives through regular retrospective meetings.
• Resolved conflicts and facilitated open communication among team members, promoting a healthy work environment.
• Developed custom Scrum boards for better task tracking and transparency within the team.
• Encouraged cross-functional collaboration by organizing workshops and training sessions for different departments.
• Boosted customer satisfaction scores by providing regular updates on product enhancements resulting from feedback provided during sprint review meetings.
• Led sprint reviews and planning meetings to promote full team engagement.
• Created comprehensive user stories with clear acceptance criteria to guide development efforts.
• Facilitated Scrum framework – sprint planning, backlog grooming, daily scrums, sprint reviews, and sprint retrospectives.
• Applied agile methodology to shorten cycle time and achieve target margins.
• Conducted daily stand-up meetings, sprint planning sessions, and sprint reviews, ensuring effective communication among team members.
• Implemented key performance metrics to track team progress and identify areas of improvement consistently throughout projects'' lifecycles.
• Collaborated with product owners, team members, technologists, and other scrum masters to define solutions and drive progress.
• Managed product backlog effectively, prioritizing high-value items for faster completion.

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