MUMario User
@mariouser3
Senior Software Engineer with expertise in scalable, data-driven systems.
United StatesWhat I'm looking for
With over 12 years of experience as a Senior Software Engineer, I specialize in building scalable, data-driven systems using Python. My expertise spans across FastAPI, Flask, and Django, and I have a strong background in architecting microservices and cloud-native applications. I am recognized for my problem-solving skills and adaptability, which I leverage to deliver impactful solutions that align technical excellence with business goals.
Throughout my career, I have successfully developed a healthcare e-commerce platform that integrates secure payment solutions and an AI chatbot, achieving significant improvements in customer query resolution. My experience also includes architecting real-time multiplayer gaming backends and migrating monolithic systems to microservices, enhancing productivity and efficiency for teams. I am passionate about mentorship and fostering a collaborative environment that encourages knowledge sharing and team growth.
Experience
Work history, roles, and key accomplishments
Senior Software Engineer
Procurement Partners
Nov 2020 - Present (4 years 8 months)
Built a healthcare e-commerce platform using FastAPI and CQRS patterns, enabling efficient, scalable order processing with clear separation of concerns. Developed an AI chatbot using LangChain, OpenAI GPT, and Pinecone, enabling RAG pipelines and achieving 85%+ customer query resolution.
Senior Full Stack Engineer
Probably Monsters
Apr 2019 - Oct 2020 (1 year 6 months)
Architected a real-time multiplayer gaming backend in FastAPI, using WebSocket endpoints for low-latency player communication. Scaled backend infrastructure using AWS ECS Fargate, Lambda, and API Gateway, delivering fault-tolerant and cost-optimized services.
Full Stack Developer
Cimpress
Apr 2015 - Mar 2019 (3 years 11 months)
Migrated monolithic systems to Flask microservices, automating contract processing workflows for over 1,000 sales agents globally. Automated deployments with GitLab CI/CD and Ansible, streamlining release processes across development, staging, and production.
Software Developer
Jul 2013 - Mar 2015 (1 year 8 months)
Developed scalable data processing services using Python with Flask and Celery, enhancing internal analytics pipelines across departments. Deployed cloud-native services on GCP App Engine and Cloud Functions, ensuring scalability, reliability, and low operational overhead.
Education
Degrees, certifications, and relevant coursework
University of Wyoming
Master's degree, Computer Science
2011 - 2013
Completed a Master's degree in Computer Science, focusing on advanced topics and research within the field. Gained in-depth knowledge and specialized skills relevant to modern computing challenges.
University of Wyoming
Bachelor's degree, Computer Science
2007 - 2011
Obtained a Bachelor's degree in Computer Science, building a strong foundation in core computer science principles. Developed fundamental programming and problem-solving abilities.
Tech stack
Software and tools used professionally
Availability
Location
United StatesAuthorized to work in
Social media
Job categories
Skills
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