Software Engineer Senior Full-Stack
Resume:
Erik Arnold
Senior Full-Stack Engineer
************@*****.***
Woodville, TX, 75979
Summary
Erik is a experienced software engineer with over 10 years of experience, proficient in full-stack and front-end development.
His expertise includes designing and implementing programs incorporating robust unit testing, efficient debugging, and streamlined code maintenance. With an anti-fragile mindset, Erik adapts and remains resilient, fostering a high-performance culture, blending technical and strategic expertise, and applying best practices and optimization techniques.Additionally, he excels in overseeing and guiding teams of developers, managing the product life-cycle, and building both front and back-end components.
Skills
Languages: JavaScript/TypeScript, HTML/CSS, Python, PHP, Dart,, C/C++, Ruby, C#, Go
Frameworks & Libraries: React.js, Redux, Next.js, Vue.js, Node.js, Angular, Django, Ruby on Rails, React Native, Flutter, ASP.Net
Databases: SQL/NoSQL, MySQL, PostgreSQL, MongoDB, RabbitMQ, Redis, Microsoft SQL Server, Data Modeling, Query Optimization, Cloud Databases
Amazon Web Services: EC2, S3, Lambda, API Gateway, CloudFront, RDS, DynamoDB, IAM, CodePipeline, CodeBuild, SQS/SNS
DevOps: Docker, Jenkins, Kubernetes, GitHub Actions, Terraform, IaC, Version Control, Monitoring
UI/UX & Design: Tailwind CSS, Bootstrap, Material UI, Semantic UI, Figma, Responsive Design, Web Accessibility
Testing & CI/CD: Jest, Mocha, Cypress, Selenium, Testing Library, Continuous Integration, Continuous Deployment
Work Experiences
Innelix Lead Engineer 10/2020 - Present Austin, TX
Led the development of a patient data management system using JavaScript/TypeScript, React with Node/Express.js back-end, ensuring seamless data flow across the platform.
Architected RESTful APIs, GraphQL APIs, and gRPC services using C# and ASP.NET Core for seamless third-party integration, ensuring interoperability with Electronic Health Records (EHR) and telemedicine systems while maintaining strict data security standards.
Automated backend processes for appointment scheduling and billing using Python/Django integrated with MongoDB, Redis for data management and caching, reducing operational costs and improving efficiency in administrative workflows.
Integrated WebSocket protocols using Go on the backend and JavaScript with React on the frontend for real-time synchronization of patient data across distributed networks, enabling live, secure updates that enhanced clinical decision-making capabilities.
Contributed to the development of a cross-platform mobile app with React Native and TypeScript, connecting to a Node.js/Express API and Mysql database, enabling patients to manage appointments, access health records, and receive real-time reminders.
Designed a secure API gateway using AWS API Gateway, adhering to HIPAA and HITRUST standards with IAM-based access controls, ensuring safe, authorized data sharing with third-party applications and improving data access management.
Built a serverless application for genomic data analysis which processed 50% faster than the old platform by leveraging AWS Lambda, Amazon RDS and Amazon S3 for scalable storage solutions.
Established a robust security framework by integrating API Gateway with AWS Lambda for serverless functions, implementing IAM roles for fine-grained access control, and adhering to HIPAA compliance, which fortified the protection of sensitive patient health information (PHI) while enabling secure data exchange with external partners.
Modernized the customer-facing application by implementing a Responsive Web Design with HTML5, Tailwnd CSS and Next.js.
Built dynamic dashboards for healthcare professionals utilizing React (Resuable Components, React Hooks), Redux Toolkit and Chart.js, integrating data from multiple sources through RESTful APIs.
Optimized database queries in SQL Server for the electronic health records system, enhancing report generation speeds by 40% and supporting high-volume data transactions.
Implemented Apache Kafka to support high-throughput patient data ingestion and asynchronous task processing, enabling real-time data updates for appointment scheduling, medication management, and diagnostics.
Established CI/CD pipelines using Jenkins, Git and CircleCI, reducing update release times and achieving decrease in deployment-related errors, improving overall product reliability.
All Brilliance Full-Stack Developer 03/2016 – 09/2020 San Francisco, CA
Built platforms using React on the front end, with Node/Express.js powering backend APIs. Ensured seamless data flow between client interfaces and backend services, improving trade execution times.
Architected scalable backend services using Python and Java/Spring, supporting real-time transaction processing and secure data storage in PostgreSQL and MongoDB achieving reduction in transaction confirmation latency.
Designed ETL processes and data pipelines using AWS S3, Redshift, and Apache Kafka to deliver actionable insights for portfolio managers within seconds.
Optimized SQL queries on Microsoft SQL Server, accelerating report generation and enabling real-time financial insights for investment portfolios.
Ensured data security and compliance with PCI-DSS and SOX by implementing secure API gateways with Keycloak, OAuth 2.0, JWT, and data encryption standards.Collaborated with cross-functional teams to implement OAuth2 for secure user authentication, boosting platform security and acquiring a compliance certification for the company.
Implemented Optical Character Recognition (OCR) solutions using Tesseract and Python, enhanced with AI-driven preprocessing algorithms, to automate the extraction of critical data from financial documents such as invoices and receipts by significantly reducing manual data entry time and minimizing errors through robust data pipeline architecture and integration with the use of AWS services (EC2, RDS, S3) for secure document handling.
Developed full-stack features for trading platforms using JavaScript/ TypeScript and React/Redux, supporting live data feeds and secure high-volume trades.
Collaborated with developers on a project for handling high volumes of financial purchase orders via SOAP web services. Utilized Node/Express.js, customized build tasks with XML, XML-Schema for data formatting.
Implemented a payment system by integrating PayPal, Chase Paymentech Orbital Gateway, and a customer subscription system.
Streamlined a multi-channel notification service using RabbitMQ, which improved message delivery reliability and supported a growing user base.
Worked closely with DevOps engineers, and product managers to align back-end services with front-end deployment pipelines, and overall project goals.Automated CI/CD pipelines with Jenkins and GitLab CI, containerized apps with Docker, and deployed on AWS EC2 and Kubernetes, reducing release times by 40%.
Mentored and trained junior developers on best practices in test-driven development, resulting in a 15% increase in code quality and overall project delivery speed.
Education
Bachelor’s Degree in Computer Science 2012 - 2016
Sam Houston State University
Contact this candidate