Ammar Haider

Techncial Team Lead

Blockrithms • Tiempo completo

Dec 2024 - Feb 2026 • 1 yr 2 mos

• Led development of multiple web and cloud-based projects using React, Node.js, and AWS, ensuring scalable architecture and production reliability. • Designed and maintained CI/CD pipelines using GitHub Actions and Docker, automating build, test, and deployment workflows across staging and production. • Collaborated with DevOps and backend teams to implement infrastructure-as-code (IaC) with Terraform, improving environment consistency and deployment speed. • Conducted code reviews, sprint planning, and release coordination to maintain high delivery standards and project timelines. • Mentored developers, improved team velocity, and optimized development processes to enhance project scalability and maintainability.

Senior DevOps Engineer

Permission.io • Tiempo completo

Jan 2023 - Dec 2024 • 1 yr 11 mos

• Implemented CI/CD pipelines in GitLab, automating deployment workflows and reducing deployment time by 30%, while improving development efficiency by 25% through Agile practices. • Led several critical releases, achieving a 100% success rate through meticulous planning, collaboration, and execution. • Led the cloud migration from AWS to GCP, ensuring Zero downtime and uninterrupted service delivery. • Translated the existing cloud infrastructure into optimized Terraform code and led the migration from AWS to GCP, achieving up to 70% cost savings by auditing and optimizing resource utilization. • Optimized Docker images, reducing build times and image sizes by up to 60%, improving deployment efficiency and resource utilization. • Migrated a self-managed Proof-of-Authority (POA) blockchain from manual VM deployments to a Helm-based Kubernetes microservices architecture, enabling auto scaling and high availability. This transformation improved system uptime by 80% and reduced operational costs by 40%. • Automated operational workflows using Bash scripting, SQL scripting, and cron jobs, improving efficiency and reducing manual intervention. • Resolved technical roadblocks for the development team, ensuring uninterrupted progress and minimizing delays. • Managed and provided granular access control to ensure secure and efficient access to resources, promoting smooth workflows across the team. • Acted as a proactive team player by jumping in to resolve issues quickly, ensuring seamless work delivery and enhancing overall productivity.

Full Stack Software Engineer

CoalDev • Tiempo completo

May 2021 - Dec 2024 • 3 yrs 7 mos

• Delivered multiple cloud and blockchain projects for clients, deploying scalable solutions using Kubernetes and GCP / AWS, ensuring high availability, security, and cost efficiency. • Built profitable crypto trading bots, some achieving an impressive 200% profit through advanced algorithms and market analysis. • Improved AI score prediction pipelines using BigQuery, reducing processing times by 99% (7 days to 30 minutes). • Led infrastructure migrations, enhancing reliability and cutting operational costs by up to 77%. • Automated various operational tasks using Celery Workers and Cron Jobs, improving efficiency in web scraping, data processing, and real-time notifications. • Built and maintained microservices and backend APIs using Django, improving performance and scalability across multiple projects.