Senior Software Engineer - Full Stack .NET, Vue, AWS

VALDECIR PARAIZO

Senior Software Engineer (Full Stack .NET / Vue / AWS)

Location: Volta Redonda, Rio de Janeiro, Brazil

Email: *****************@*****.***

Phone: +55-11-920**-****

LinkedIn: https://www.linkedin.com/in/valdecir-paraizo-a13810371 PROFESSIONAL SUMMARY

Senior Software Engineer with 8+ years of experience building and scaling financial and data-driven web applications using C#, .NET Core, Python, Vue.js, and Angular. Proven track record of delivering high-performance, cloud-native solutions leveraging AWS, Docker, and SQL Server. Strong expertise in designing RESTful APIs, optimizing distributed systems, and improving end-to-end application performance. Experienced in Agile environments, mentoring engineers, and collaborating cross-functionally to deliver reliable, scalable systems. CORE TECHNICAL SKILLS

Frontend: Vue.js (Vue 3), Angular, JavaScript, TypeScript, state management (Vuex, Redux), Vite Backend: C#, .NET Core, Python, RESTful APIs, microservices architecture Databases: SQL Server, PostgreSQL, relational modeling, query optimization Cloud & DevOps: AWS (Lambda, EC2, S3), Docker, CI/CD, GitHub Actions, Terraform Testing & Quality: Jest, Playwright, unit testing, integration testing, end-to-end testing Architecture: Distributed systems, cloud-native applications, API design, scalable systems Engineering: Agile/Scrum, code reviews, system design, performance optimization, mentoring PROFESSIONAL EXPERIENCE

Senior Software Engineer Remote

Clear Launch

Austin, Texas, United States 10/2023 – 11/2025

Developed and maintained full-stack financial applications using Vue 3, TypeScript, and .NET Core, supporting high-volume transaction workflows.

Designed and implemented RESTful APIs handling 60K+ daily requests, enabling secure data exchange between internal systems and external partners.

Built scalable backend services in C# and Python to process financial data pipelines, improving processing efficiency by 40%.

Optimized UI performance in Vue.js applications, reducing load times by 35% through component-level rendering improvements and state management tuning.

Improved API response times by 45% through query optimization and efficient indexing strategies in SQL Server.

Architected and deployed cloud-native solutions using AWS (Lambda, EC2, S3), ensuring scalability and high availability across environments.

Containerized applications using Docker, enabling consistent deployments and reducing environment- related issues by 50%.

Implemented automated testing pipelines using Jest and Playwright, increasing test coverage to 85% and reducing regression issues.

Led code reviews and mentored junior developers, improving code quality and enforcing best practices across the team.

Collaborated with product and design teams in Agile sprints to deliver complex financial features on schedule.

Software Engineer (Full Stack .NET / Vue) Remote Ambassaitir Software and Platform

Toronto, Ontario, Canada 01/2019 – 10/2023

Built and maintained enterprise web applications using Angular and Vue.js, supporting business-critical financial operations.

Developed backend services using C# and .NET Core to manage transactional data and ensure system reliability.

Designed scalable REST APIs for integrations with third-party financial systems and internal services.

Improved database performance in SQL Server by optimizing queries and restructuring schemas, reducing execution time by 30%.

Implemented Python-based data processing services for analytics and reporting workflows.

Integrated Docker-based deployment pipelines to standardize development and production environments.

Leveraged AWS services to deploy scalable backend systems and manage infrastructure efficiently.

Built automated CI/CD pipelines using GitHub Actions, reducing deployment time by 40%.

Implemented unit and integration testing using Jest and Playwright, ensuring system stability across releases.

Participated in Agile ceremonies, contributing to sprint planning, technical design discussions, and delivery execution.

Software Developer (.NET / Web Applications)

Pix Software Hybrid

Rio de Janeiro, Brazil 08/2015 – 12/2018

Developed backend applications using C# and .NET for customer-facing platforms handling transactional workflows.

Built and maintained RESTful APIs to support frontend applications and external integrations.

Optimized SQL Server queries and database structures, improving performance and reducing data retrieval latency.

Contributed to frontend development using JavaScript frameworks to enhance UI responsiveness.

Resolved production issues and improved system reliability through debugging and performance tuning. Frontend Developer (JavaScript / Angular)

Plataforma Crew On-Site

Rio de Janeiro, Brazil 01/2014 – 08/2015

Developed responsive web interfaces using Angular and JavaScript, improving usability across devices.

Integrated frontend applications with backend APIs to support real-time data interactions.

Improved UI performance and consistency through component optimization and code refactoring.

Collaborated with design and backend teams to deliver cohesive user experiences. EDUCATION

Federal University of Rio de Janeiro

Bachelor of Science in Computer Science

02/2009 – 12/2013

Contact this candidate