Available to hire
Hi, I’m Adrian Pereira, a Senior Software Engineer with over 9 years of experience in web development. I design and build scalable, user-friendly applications using Python, Django, React, and cloud platforms.
I’m solution-focused and collaborative, adept at troubleshooting, API design, and delivering high-quality features. I value clear communication, continuous learning, and working with cross-functional teams to meet goals on time and with excellence.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Language
English
Fluent
Work Experience
Senior Software Engineer at Command Alkon
January 1, 2023 - December 1, 2025Developed and maintained scalable web applications using React, Python, Django, and MySQL; implemented RESTful APIs; migrated legacy systems to AWS/Azure serverless architecture; collaborated in Agile teams and supported data modeling and MongoDB deployments.
Senior Front-End Software Engineer at Command Alkon
January 1, 2023 - December 1, 2025Remote led frontend implementation for complex, data-heavy web applications, translating detailed UX specs into production-ready interfaces while maintaining strict visual consistency across more than 14 customer-facing pages. Collaborated closely with product managers and designers to implement premium UI patterns that improved clarity and usability for approximately 8,000 active enterprise users. Built modular HTML, CSS, and JavaScript components optimized for reuse across multiple products and surfaces. Introduced lightweight JavaScript logic to enhance interactive dashboards, improving perceived performance and reducing user friction. Optimized frontend performance through asset loading, code splitting, and CSS refactoring, resulting in faster page interactions on lower-end devices. Maintained high code quality through peer reviews, documentation, and mentoring mid-level engineers.
Front-End Engineer at JMI Laboratories
August 1, 2021 - December 1, 2022Remote owned frontend delivery for internal research and analytics platform, implementing clean, readable UI layers on top of complex scientific and AI-driven data workflows. Worked closely with data scientists to surface AI-generated insights through intuitive dashboards, ensuring non-technical stakeholders could understand results without training. Implemented responsive layouts and custom visualization components used daily by over 400 researchers. Integrated AI-assisted filtering and recommendation logic into the UI, reducing time spent locating relevant data sets during active research cycles. Focused on accessibility and visual clarity to support long work sessions, refining typography, spacing, and contrast across major screens. Contributed frontend testing strategies to validate AI output rendering and edge-case data scenarios before production releases.
Full-stack Software Engineer at JMI Laboratories
January 1, 2021 - December 1, 2022Participated in full software development lifecycle; designed and implemented custom CMS solutions; worked with .NET, Python, Django, FastAPI; optimized SQL queries and worked with MongoDB concepts for performance; integrated frontend with backend REST/SOAP APIs.
Software Engineer at Cerner Corporation
August 1, 2016 - July 1, 2021Developed and maintained frontend components for large-scale healthcare applications used by clinicians in high-pressure clinical environments. Implemented responsive and accessible UI features to support a wide range of devices and compliance requirements. Collaborated with backend teams to integrate secure APIs and authentication flows.
Education
Master of Computer Science at University of Iowa
January 1, 2015 - January 1, 2017Bachelor of Software Engineering at Med i-Caps University
January 1, 2011 - January 1, 2015Master of Computer Science at University of Iowa
January 1, 2015 - January 1, 2017Bachelor of Software Engineering at Medi-Caps University
January 1, 2011 - January 1, 2015Qualifications
Computer Security
January 1, 2014 - February 5, 2026Database Systems
January 1, 2014 - February 5, 2026Fundamentals of Software Engineering
January 1, 2015 - February 5, 2026Computer Security
January 1, 2014 - February 23, 2026Database Systems
January 1, 2014 - February 23, 2026Fundamentals of Software Engineering
January 1, 2015 - February 23, 2026Industry Experience
Software & Internet, Healthcare, Retail, Professional Services
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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