Senior Full-Stack Engineer with Backend Focus

Samir Kalouf

Senior FullStack Python Engineer

+1-726-***-**** • *****.*.*****@*****.*** • https://www.linkedin.com/in/samir-k-49579215/ SUMMARY

Senior Full-Stack Engineer with 8+ years of experience leading development teams and delivering scalable enterprise solutions. Proven leader in driving technical initiatives with strong communication and mentoring skills, ensuring clear collaboration with stakeholders to define requirements. Expert in Java, Java/C++ development, and SQL with a focus on debugging, troubleshooting, and optimizing complex systems. Experienced in Coaching teams, performing code reviews, and integrating enterprise systems. Skilled in XML, full-stack development, and cloud platforms, delivering robust technical solutions. EXPERIENCE

Systems Developer Team Lead

H-E-B, 09/2024 - Present

● Led the end-to-end development of high-traffic real-time web platforms using Python (Django, Flask) and JavaScript

(React, Angular), deployed across AWS and Azure infrastructure, ensuring high availability and performance.

● Mentored a team of engineers and performed regular code reviews, establishing clear coding standards and fostering a culture of communication and technical growth.

● Integrated a wide range of third-party APIs—including payment gateways and inventory systems—enforcing OAuth 2.0 security standards and ensuring seamless data flow across platforms.

● Built and optimized CI/CD pipelines using GitHub Actions and Docker, enabling confident, automated releases to containerized and AWS EC2 environments.

● Partnered with solution architects and stakeholders to redesign core platform modules into a scalable microservices architecture, improving deployment independence and system reliability.

● Led troubleshooting and debugging efforts for production incidents, working with cross-functional teams to resolve critical issues and maintain platform stability.

● Introduced FastAPI and async processing patterns to replace legacy synchronous endpoints, significantly improving API performance and server stability during peak traffic.

● Developed and maintained RESTful APIs and led AI integrations using OpenAI APIs and custom ML pipelines, enhancing product recommendation quality and automating key workflows.

● Architected a real-time event-driven data pipeline using Apache Kafka and AWS Lambda, reducing order-status update latency across distributed store systems.

Software Development Engineer

Skilljar, 7/2021- 12/2023

● Expanded and maintained a LMS platform serving hundreds of enterprise clients, building new Python/Django and Vue.js features that improved platform accessibility and course completion rates.

● Optimized PostgreSQL queries and introduced Redis caching for high-frequency endpoints, substantially improving API response times and easing database strain during peak load.

● Refactored platform authorization from permissions-based to role-based access control, substantially reducing user access support tickets and tightening overall security posture.

● Mentored a junior engineer through a structured onboarding Coaching program, enabling a production deployment within their first week and setting them up for success.

● Authored thorough technical documentation covering API workflows, data models, and deployment procedures, significantly reducing new developer onboarding time.

● Provided troubleshooting support for AWS configuration changes and critical bug triage, consistently keeping the platform stable and resolving high-priority incidents.

● Led a migration of user-uploaded file storage to AWS S3 with CloudFront CDN, improving data retrieval speeds and reducing storage costs.

Software Engineer

Digital Defense, Inc, 02/2017 - 3/2021

● Designed and delivered multiple software APIs that expanded integration capabilities across the vulnerability management product suite.

● Served as the primary client liaison, translating complex security requirements into technical solutions and consistently delivering features that matched client needs.

● Built integrations between the Vulnerability Manager and platforms including Jira and Cisco ISE, improving client security workflow efficiency.

● Implemented comprehensive automated test suites in Python, improving release reliability and shortening the QA cycle.

● Delivered full-stack Python/Django development for a SaaS vulnerability assessment platform, improving risk-scoring accuracy and user engagement.

● Engineered a PHP/MySQL backend for a real-time security analytics dashboard that supported heavy concurrent usage across the enterprise client base.

● Implemented an automated vulnerability report generation module, enabling security analysts to respond to critical findings faster and improving SLA compliance.

SKILLS

● Programming Languages: Java, C, C++, Python, JavaScript, SQL, XML, Kotlin, PHP, Ruby

● Frameworks & Libraries: Django, Flask, FastAPI, React, Vue.js, Angular, Node.js, Ruby on Rails

● Cloud & DevOps: AWS (EC2, S3, Lambda, RDS, ECS), Azure, GCP, Docker, Kubernetes, GitHub Actions, Jenkins

● Databases & Storage: PostgreSQL, MySQL, Amazon Redshift, MongoDB, Redis, Elasticsearch

● Tools & Platforms: ITK, RAC, SOA, BMIDE, Active Workspace, Apache Kafka, RabbitMQ, Jira

● Methodologies & Practices: Agile, Scrum, CI/CD, Code Review, Debugging, Troubleshooting, Mentoring, Coaching, Communication

● Data & Analytics: Apache Airflow, Prefect, TensorFlow, PyTorch, OpenAI APIs EDUCATION

Bachelor’s Degree in Computer Science

The University of Texas at San Antonio, 2014 - 2018

Contact this candidate