Senior Full Stack Engineer (Vue, .NET, AWS)

David Lozano Rodriguez

**********@*****.*** +523********* Tequila, Jalisco, Mexico

linkedin.com/in/david-lozano-rodriguez-7877252b9

SUMMARY

I am a Senior Full Stack Software Engineer with over 8 years of experience building and scaling cutting-edge technology solutions in the financial and enterprise sectors. I specialize in end-to-end web application development using Vue.js/Vue 3, Angular, .NET Core/C#, and Python, with deep expertise in AWS cloud-native architectures, SQL Server, and Docker containerization. I thrive in collaborative, Agile environments, partnering with product and design teams to deliver scalable, high-performance solutions that simplify complex technical challenges.

EXPERIENCE

Senior Full Stack Software Engineer, Turing 11/2024 – 01/2026 San Francisco, California, USA

• Developed and maintained front-end applications using Vue.js (Vue 3) and TypeScript, building responsive, component-based UIs with state management using Vuex and modern build tooling with Vite.

• Built robust backend services and RESTful APIs with .NET Core/C# and Python, ensuring high performance and reliability for financial data processing applications.

• Designed and optimized SQL Server and PostgreSQL databases, writing complex queries and implementing indexing strategies that reduced query latency by 30%.

• Leveraged Docker for containerization and deployed scalable, cloud-native solutions on AWS using EC2, RDS, Lambda, and API Gateway.

• Implemented automated tests using Jest and Playwright for unit, integration, and end-to-end testing, maintaining 90%+ test coverage.

• Participated in code reviews, mentored junior developers, and contributed to Agile ceremonies including sprint planning, daily stand-ups, and retrospectives. Senior Full-Stack Developer, Petco 02/2023 – 10/2024 Westwood Blvd, Los Angeles, USA

• Architected and built full-stack web applications with Vue.js and Angular, developing reusable components and implementing state management with Redux for e-commerce platforms.

• Designed and maintained backend services with .NET Core and Python, building RESTful APIs that supported millions of daily users with sub-second response times.

• Optimized SQL Server and PostgreSQL database performance through query optimization, indexing, and data modeling, improving overall system scalability.

• Containerized applications using Docker and deployed on AWS ECS and EKS, managing infrastructure with Terraform and CI/CD pipelines via GitHub Actions.

• Wrote comprehensive automated tests with Jest and Playwright, reducing regression bugs and accelerating release cycles.

• Collaborated cross-functionally with product managers, designers, and engineers to deliver features on schedule, providing technical leadership and mentorship. Sr. Blockchain Architect & FullStack Engineer, Katana Inu / IBM Global Services 08/2021 – 01/2023 Singapore

• Designed and built scalable full-stack solutions with Vue.js, Angular, .NET Core/C#, and Python, delivering high-performance applications for decentralized ecosystems.

• Developed RESTful APIs and microservices, integrating with SQL Server, PostgreSQL, and MongoDB for reliable data storage and retrieval.

• Deployed containerized applications on AWS using Docker and Kubernetes, leveraging EC2, RDS, Lambda, and S3 for scalability and cost-efficiency.

• Optimized frontend performance through code splitting, lazy loading, and build tooling with Vite and Webpack, reducing load times by 25%.

• Implemented unit and integration tests with Jest and Playwright, ensuring high code quality and reducing production defects.

• Mentored engineering teams through code reviews, architectural guidance, and technical workshops, fostering a culture of excellence.

Full Stack Developer, Teahouse Finance 11/2019 – 07/2021 Taipei City, Taiwan

• Developed full-stack applications with Vue.js, Angular, .NET Core, and Python, building responsive UIs and scalable backend services for decentralized finance platforms.

• Designed and optimized SQL Server and PostgreSQL databases, writing efficient queries and implementing caching with Redis.

• Built and consumed RESTful APIs, integrating with third-party services and blockchain networks to expand platform capabilities.

• Containerized applications with Docker and deployed on AWS, managing cloud infrastructure for high availability and scalability.

• Wrote automated tests with Jest and Playwright, maintaining high code quality and reducing regression issues.

• Collaborated with cross-functional teams in Agile sprints, contributing to technical decisions and delivering features on tight deadlines.

Senior FullStack Software Engineer, Sam's Technology Company 08/2017 – 06/2019 Hong Kong

• Built enterprise web applications with Angular, Vue.js, .NET Core/C#, and Python, developing full-stack solutions for financial and enterprise clients.

• Designed RESTful APIs and integrated with SQL Server and PostgreSQL, optimizing queries and data models for high-volume applications.

• Leveraged Docker for containerization and deployed on AWS, ensuring scalability and reliability for production workloads.

• Wrote unit and integration tests with Jest and Playwright, maintaining high code quality and reducing production defects by 30%.

• Collaborated with cross-functional teams through code reviews, Agile ceremonies, and pair programming.

• Mentored junior developers and contributed to technical documentation and best practices. EDUCATION

Bachelor's Degree, Computer Science 2013 – 2016

University of Huddersfield

TECHNICAL SKILLS

Backend Languages & Frameworks: C#, .NET Core, Python (Django, FastAPI), Node.js (Express, Nest.js), Java

(Spring Boot), PHP, TypeScript

Frontend Technologies: Vue.js (Vue 3), Angular, React.js, Next.js, TypeScript, JavaScript, HTML5/CSS3, Tailwind CSS, Vuex, Redux

Databases & Storage: SQL Server, PostgreSQL, DynamoDB, MySQL, MongoDB, Redis, SQL (Query Optimization, Indexing), Data Modeling

Cloud & DevOps: AWS (EC2, RDS, Lambda, ECS, EKS, API Gateway, S3), Docker, Kubernetes, Terraform, GitHub Actions, CI/CD Pipelines, Jenkins

Testing & Build Tools: Jest, Playwright, React Testing Library, Unit Testing, Integration Testing, E2E Testing, Vite, Webpack

APIs & Architecture: RESTful APIs, GraphQL, gRPC, Microservices, Open APIs, Event-Driven Architecture, API Design, System Architecture

ADDITIONAL INFORMATION

• Proven track record of architecting and delivering end-to-end scalable solutions from the ground up for financial and enterprise clients.

• AWS certified with hands-on experience deploying and managing cloud-native applications using AWS services and infrastructure automation.

• Strong Agile/Scrum leadership experience with a collaborative mindset and a passion for mentoring engineers.

• Excellent communication skills with the ability to simplify complex technical challenges for diverse stakeholders.

• Remote based in Mexico with full availability for collaboration across time zones.

Contact this candidate