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Регистрация: 18.08.2023

Alexavier Leonidas

Специализация: DevOps Engineer
Skilled DevOps Engineer with vast experience in managing Kubernetes clusters for optimized application availability. Proficient in standardizing settings using Ansible and implementing Infrastructure as Code (IaC) with Terraform for efficient infrastructure provisioning. Demonstrated proficiency in CI/CD pipelines, advanced security integrations, and cloud-native environments with AWS. Skilled in system health monitoring using Prometheus and Grafana. Adept at all stages of the DevOps lifecycle, ensuring high-quality software delivery.
Skilled DevOps Engineer with vast experience in managing Kubernetes clusters for optimized application availability. Proficient in standardizing settings using Ansible and implementing Infrastructure as Code (IaC) with Terraform for efficient infrastructure provisioning. Demonstrated proficiency in CI/CD pipelines, advanced security integrations, and cloud-native environments with AWS. Skilled in system health monitoring using Prometheus and Grafana. Adept at all stages of the DevOps lifecycle, ensuring high-quality software delivery.

Портфолио

GearHeart.io

- Pioneered the transition from Angular to React in front-end development, resulting in a 20% speed improvement in the applicationresponsiveness and load time during my initial year at the company. - Showcased expertise in building cross-platform apps with React Native, streamlining development time by 35% and effectively maintainingconsistent UI/UX across all platforms. - Orchestrated the integration of MongoDB for data handling, enhancing data retrieval and storage efficiency, leading to a more robust andscalable data management system. - Took charge of the utilization of AWS Lambda for serverless computing, yielding a 30% reduction in infrastructure costs and an improvementin operational efficiency during my tenure as a senior developer. - Expertly handled both frontend and backend parts of the application, ensuring seamless communication between the two and increasingoverall system coherence and efficiency. - Showcased strong leadership in driving the team towards adoption of modern JavaScript frameworks like React, enhancing codereadability and maintainability. - Orchestrated the deployment and maintenance of apps on AWS, streamlining infrastructure management and reducing system downtimeby 40%. - Mastered the use of React Native for mobile app development, ensuring the simultaneous rollout of features for both iOS and Androidplatforms, reducing time to market by 35%. - Led the team towards the adoption of serverless architecture using AWS Lambda, ensuring high availability and scalability while reducingoperational cost by 30%.

El passion

- Instrumented comprehensive application monitoring using Prometheus and Grafana, enabling real-time visibility into system performanceand enhancing issue detection and resolution time by 40%. - Automated the software delivery process using Jenkins and GitLab CI for CI/CD pipelines, increasing deployment frequency by 2x andreducing manual intervention, thus accelerating the software release process. - Championed the integration of security into DevOps practices using SonarQube and OWASP ZAP, reducing system vulnerabilities by 50%and enhancing the overall security posture of our applications. - Orchestrated the build of a cloud-native environment utilizing AWS services, delivering a 30% cost reduction on infrastructure andenhancing scalability and resilience of our software solutions. - Improved system efficiency by designing and implementing complex resource management algorithms, resulting in optimal utilization ofsystem resources and an increase in application performance by 20%. - Developed a culture of 'security first' by integrating advanced security tools such as SonarQube and OWASP ZAP into our DevOps pipelines,mitigating risks and preventing security breaches. - As a senior developer, led the team in maintaining high standards of code quality, utilizing GitLab CI to automate code reviews, reducingbugs in production by 40%. - Demonstrated expertise in resource management, creating and implementing advanced algorithms to balance workloads, significantlyincreasing system performance and reliability. - Streamlined operations and improved application resilience by leveraging AWS services to create a scalable, cost-effective, and cloud-native environment.

ByteDance

- Instrumental in boosting system performance by integrating Redis for caching and RabbitMQ for asynchronous messaging, reducinglatency by 40% and increasing message processing capacity by 300%. - Authored RESTful APIs using Express.js as a senior developer, enhancing the seamless interoperability of our services and increasing systemflexibility and maintainability. - Led backend optimization efforts through the incorporation of advanced algorithms and data structures, realizing a 25% reduction incomputational overhead, which greatly improved system efficiency and responsiveness. - Architected and implemented robust Continuous Integration and Continuous Delivery (CI/CD) pipelines using Jenkins, reducing deploymentfailures by 60% and increasing release velocity by 2x. - As an expert in backend development, I refactored and optimized code, resulting in a 30% decrease in codebase size while maintainingfunctionality, leading to easier maintenance and faster feature implementation. - Streamlined the server-side software with Node.js, dramatically reducing the amount of server resources needed and improving serverresponse times by 35% over a 6-month period. - Took the initiative to migrate the system to a Docker-based environment, simplifying the development process and reducing the setup timefor new developers by 50%. - Demonstrated expert use of RabbitMQ for handling service-to-service communication, mitigating the chance of message loss during peaktimes and maintaining 99.9% uptime throughout my tenure.

Скиллы

AWS
Azure
GCP
Prometheus & Grafana
Ansible
Terraform
Jenkins & Gitlab CI
SonarQube & OWASP
Python
Groovy
Bash
YAML
JavaScript
Java
Ruby on Rails
Docker
Kubernetes

Опыт работы

DevOps Engineer
с 10.2020 - По настоящий момент |El passion
Jenkins, CI/CD
- Instrumented comprehensive application monitoring using Prometheus and Grafana, enabling real-time visibility into system performanceand enhancing issue detection and resolution time by 40%. - Automated the software delivery process using Jenkins and GitLab CI for CI/CD pipelines, increasing deployment frequency by 2x andreducing manual intervention, thus accelerating the software release process. - Championed the integration of security into DevOps practices using SonarQube and OWASP ZAP, reducing system vulnerabilities by 50%and enhancing the overall security posture of our applications. - Orchestrated the build of a cloud-native environment utilizing AWS services, delivering a 30% cost reduction on infrastructure andenhancing scalability and resilience of our software solutions. - Improved system efficiency by designing and implementing complex resource management algorithms, resulting in optimal utilization ofsystem resources and an increase in application performance by 20%. - Developed a culture of 'security first' by integrating advanced security tools such as SonarQube and OWASP ZAP into our DevOps pipelines,mitigating risks and preventing security breaches. - As a senior developer, led the team in maintaining high standards of code quality, utilizing GitLab CI to automate code reviews, reducingbugs in production by 40%. - Demonstrated expertise in resource management, creating and implementing advanced algorithms to balance workloads, significantlyincreasing system performance and reliability. - Streamlined operations and improved application resilience by leveraging AWS services to create a scalable, cost-effective, and cloud-native environment.
DevOps Assistant
08.2018 - 09.2020 |El passion
.
- Managed Kubernetes clusters as a full-stack expert, resulting in improved application availability and a 2x increase in system scalability andresilience. - Implemented Ansible for system settings standardization, enabling consistent deployment and reducing manual configuration errors by70% across different environments. - Utilized Infrastructure as Code (IaC) with Terraform to reduce configuration errors, leading to a 60% decrease in deployment failures andaccelerating time to production. - Orchestrated the operation of Kubernetes clusters to provide highly available and scalable applications, reducing system downtime by 30%and improving overall user experience. - Championed the standardization of system settings and configurations using Ansible, bringing about uniformity in deployments anddecreasing environment-specific bugs.
Backend Developer
03.2015 - 07.2018 |ByteDance
Express.js, Docker, CI/CD
- Instrumental in boosting system performance by integrating Redis for caching and RabbitMQ for asynchronous messaging, reducinglatency by 40% and increasing message processing capacity by 300%. - Authored RESTful APIs using Express.js as a senior developer, enhancing the seamless interoperability of our services and increasing systemflexibility and maintainability. - Led backend optimization efforts through the incorporation of advanced algorithms and data structures, realizing a 25% reduction incomputational overhead, which greatly improved system efficiency and responsiveness. - Architected and implemented robust Continuous Integration and Continuous Delivery (CI/CD) pipelines using Jenkins, reducing deploymentfailures by 60% and increasing release velocity by 2x. - As an expert in backend development, I refactored and optimized code, resulting in a 30% decrease in codebase size while maintainingfunctionality, leading to easier maintenance and faster feature implementation. - Streamlined the server-side software with Node.js, dramatically reducing the amount of server resources needed and improving serverresponse times by 35% over a 6-month period. - Took the initiative to migrate the system to a Docker-based environment, simplifying the development process and reducing the setup timefor new developers by 50%. - Demonstrated expert use of RabbitMQ for handling service-to-service communication, mitigating the chance of message loss during peaktimes and maintaining 99.9% uptime throughout my tenure.
Full Stack Developer
03.2015 - 07.2018 |GearHeart.io
Angular, React, MongoDB
- Pioneered the transition from Angular to React in front-end development, resulting in a 20% speed improvement in the applicationresponsiveness and load time during my initial year at the company. - Showcased expertise in building cross-platform apps with React Native, streamlining development time by 35% and effectively maintainingconsistent UI/UX across all platforms. - Orchestrated the integration of MongoDB for data handling, enhancing data retrieval and storage efficiency, leading to a more robust andscalable data management system. - Took charge of the utilization of AWS Lambda for serverless computing, yielding a 30% reduction in infrastructure costs and an improvementin operational efficiency during my tenure as a senior developer. - Expertly handled both frontend and backend parts of the application, ensuring seamless communication between the two and increasingoverall system coherence and efficiency. - Showcased strong leadership in driving the team towards adoption of modern JavaScript frameworks like React, enhancing codereadability and maintainability. - Orchestrated the deployment and maintenance of apps on AWS, streamlining infrastructure management and reducing system downtimeby 40%. - Mastered the use of React Native for mobile app development, ensuring the simultaneous rollout of features for both iOS and Androidplatforms, reducing time to market by 35%. - Led the team towards the adoption of serverless architecture using AWS Lambda, ensuring high availability and scalability while reducingoperational cost by 30%.

Образование

Science in Computer Science
2007 - 2011
Nanyang Technological University Singapore

Языки

АнглийскийСредний