Python Full-Stack Engineer with Cloud Expertise

Dunteesh Sakamuri

Master’s in Information Systems, Stevens Institute of Technology

551-***-**** *********@*****.***

Professional Summary

• Python Full Stack Developer with 5+ years of hands-on experience designing and developing scalable, secure, and high-performance enterprise applications using Python, microservices architecture, and cloud-native design principles.

• Strong expertise in front-end development using ReactJS, Angular, and Vue.js, building responsive and user-friendly interfaces with HTML5, CSS3, Bootstrap, and JavaScript.

• Extensive experience across major cloud platforms including AWS, Azure, and GCP, with hands-on exposure to AWS Lambda, EC2, S3, and cloud-native deployments.

• Proficient in developing and consuming RESTful and SOAP-based web services in Python, integrating enterprise APIs and backend systems; experienced with DevOps practices and CI/CD pipelines using Docker, Jenkins, Kubernetes, and Git following Agile and Scrum methodologies.

• Strong database expertise across relational and NoSQL systems including SQL, MySQL, Oracle, MongoDB, DynamoDB, and Redis; experienced in real-time and asynchronous messaging using Apache Kafka, securing microservices with OAuth 2.0, SAML 2.0, and JWT, and implementing automated testing using PyTest, unittest, and Selenium. Work Experience

TSYS Jan 2025 – Present

Python Full Stack Developer Columbus, Georgia, USA

• Developed and deployed scalable, user-facing applications on AWS using EC2, S3, and Lambda, with backend microservices built in Python using Flask and Django, supporting high-availability production environments.

• Led the adoption of cloud-native design patterns and drove the containerization strategy using Docker and Kubernetes; designed and maintained CI/CD pipelines with Jenkins, reducing deployment time by 40%.

• Designed and optimized data models for Apache Cassandra to support low-latency, high-throughput financial systems, managing backups, repairs, and alerting using OpsCenter to ensure data reliability and fault tolerance.

• Built responsive, component-based front-end applications using ReactJS, Angular, and Vue.js, ensuring cross-browser compatibility and seamless multi-platform user experiences.

• Developed asynchronous, event-driven backend services in Python using Celery, RabbitMQ, and RESTful APIs; implemented real-time analytics and monitoring with Apache Kafka, integrated observability and deployment automation using Ansible and OpenShift, and secured RESTful APIs with OAuth 2.0 and token-based authentication, improving mobile and web performance by 20% through MongoDB schema optimization.

United Parcel Service (UPS) May 2024 – Dec 2024

Python Full Stack Developer Sandy Springs, Georgia, USA

• Developed modular microservices in Python using Django and Flask, securing API access through OAuth 2.0, JWT, and SAML 2.0, with services exposed via RESTful and SOAP-based APIs for enterprise integrations.

• Led large-scale enterprise migrations from monolithic architectures to Python-based microservices, improving system modularity, scalability, and service reliability across mission-critical logistics platforms.

• Built high-performance, reusable front-end components using React, AngularJS, and Backbone.js, collaborating closely with UX and design teams to deliver responsive, user-centric interfaces.

• Integrated scalable, asynchronous event-processing systems using Apache Kafka and message queue frameworks (e.g., RabbitMQ), increasing throughput and decoupling backend services for improved resiliency.

• Implemented automated CI/CD pipelines using Docker and Jenkins; streamlined backend operations and business workflows through workflow orchestration and BPM systems; and enhanced system observability with structured logging, performance metrics, and proactive alerting, leveraging Agile practices with JIRA and Git.

Murugappa Group Nov 2021 – July 2023

Python Full Stack Developer Chennai, India

• Modernized legacy banking systems by migrating monolithic applications to Python-based microservices using Django and Flask, improving scalability, modularity, and CI/CD efficiency in regulated environments.

• Developed dynamic, real-time user interfaces using ReactJS, Angular, Bootstrap, and JavaScript, enabling seamless client–server interaction through AJAX, JSON APIs, and responsive design.

• Built secure RESTful backend services in Python, integrating with MongoDB, MySQL, Oracle, and DB2 to support reliable CRUD operations and data consistency across enterprise systems.

• Automated testing workflows using PyTest and unittest, integrating test execution into Jenkins CI pipelines, and generated compliance, QA, and business reports to support audits and leadership reviews.

• Provisioned and managed AWS infrastructure including VPCs, EC2 instances, and S3 backups; led Agile sprints using JIRA, conducted peer code reviews with Git, mentored junior developers, and contributed across the entire SDLC from requirements analysis through deployment and post-release support. Comcast Corporation Oct 2020 – Oct 2021

Python Developer Chennai, India

• Engineered robust backend systems in Python using Django and Flask within a modular microservices architecture, supporting real-time data processing and high-volume transactional workloads.

• Automated nightly ETL batch pipelines using Python, UNIX shell scripting, and SQL, integrating with enterprise databases to extract, transform, and load large-scale datasets reliably.

• Developed accessible and responsive user interfaces using HTML5, CSS3, JavaScript, and modern frontend frameworks, adhering to WCAG accessibility standards for consistent cross-platform experiences.

• Designed and maintained comprehensive test suites using PyTest and unittest for unit, integration, and regression testing; validated REST APIs and secure communications using API testing tools.

• Monitored application health and optimized performance in Apache Cassandra clusters using Python-based logging, metrics, and alerting with OpsCenter; collaborated in Agile environments using JIRA and GitHub, improving release reliability by strengthening CI/CD pipelines with automated validations.

Skills

Languages: Python, C, C++, SQL

Frameworks: Django, Flask, FastAPI, NodeJS, ReactJS Tools: Git, JIRA, Jenkins, PyTest, unittest, Selenium, SoapUI Cloud & DevOps: AWS (EC2, S3, Lambda, VPC), Azure, GCP, Docker, Kubernetes, CI/CD Databases & Messaging: MySQL, SQL Server, Oracle, MongoDB, Cassandra, DynamoDB, Redis, Apache Kafka, ActiveMQ

Others: Vue.js, AngularJS, HTML5, CSS3, JavaScript, JSON, REST, SOAP, OAuth 2.0, JWT, SAML Certifications

• Oracle Database SQL Certified - Associate

• AWS Certified Developer – Associate

Python, Scala, Frontend Engineering, Data Structures, Functional Programming, Software Engineer, PostgreSQL, Prometheus, Linux, Problem Solving, Continuous Improvement, Helm, FinTech, Innovation, REST APIs

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