Manuel Herrera
Senior Full Stack Engineer
Durham,NC
Summary
Professional engineer with robust experience in developing and maintaining complex web applications. Skilled in both front-end and back-end technologies, adept at problem-solving, and always delivering high-quality results. Strong focus on team collaboration, adaptability, and consistently meeting project goals. Proficient in Java, JavaScript, Python, HTML/CSS, and database management, ensuring seamless integration and user satisfaction.
Overview
5
5
years of professional experience
2
2
Languages
5
5
years of post-secondary education
Work History
Sr. Full Stack Engineer
Fidelity Investments
10.2021 - Current
- Designing and developing scalable web applications for the Term Life Application Experience, ensuring high availability and performance.
- Building and maintaining backend services using Java (Spring Boot) and Node.js, optimizing API performance and data flow efficiency.
- Developing client-side features in Angular, enhancing UI responsiveness, accessibility, and user engagement.
- Integrating APIs and services with AWS cloud infrastructure, leveraging AWS Lambda, API Gateway, S3, DynamoDB, and RDS for secure and scalable application deployment.
- Implementing CI/CD automation using Jenkins, Artifactory, and Git, ensuring seamless development, testing, and deployment workflows.
- Applying secure coding best practices using SonarQube for code quality analysis, reducing vulnerabilities and improving maintainability.
- Automating testing workflows with Jest and Cypress, increasing test coverage and ensuring application reliability.
- Optimizing database queries and transactions for high-performance backend operations, integrating with SQL and NoSQL databases.
- Collaborating in Agile teams to refine application functionality, working closely with business stakeholders, designers, and QA engineers.
- Enhancing application security and compliance through secure authentication, API security policies, and cloud access controls.
Application Sys Analyst/programmer III
UNITED LAUNCH ALLIANCE (ULA)
02.2021 - 10.2021
- Analyzed and reverse-engineered legacy applications to modernize and migrate to Java 11 and Spring Boot 2.3.1.
- Designed and implemented RESTful APIs using Spring REST and JAX-RS, ensuring efficient GET, POST, PUT, DELETE operations for frontend consumption.
- Developed React-based frontend components while integrating with Spring Boot backend services for a modern single-page application (SPA) experience.
- Migrated UI components from Angular 11 to React and TypeScript, improving application maintainability and performance.
- Implemented AWS Lambda functions for backend processing, integrating them with API Gateway and DynamoDBto optimize serverless workflows.
- Worked with Oracle and SQL Server, writing complex SQL queries and stored procedures to optimize database transactions.
- Used JDBC and Hibernate for efficient ORM-based database management within Spring Boot applications.
- Deployed backend applications on embedded Tomcat servers, optimizing resource utilization and application startup times.
- Managed version control using Bitbucket and Git, maintaining clean repository structures and CI/CD best practices.
- Configured Jenkins pipelines for continuous development and integration, ensuring automated testing and deployment.
- Applied Test-Driven Development (TDD) methodology, writing comprehensive JUnit test cases for unit and integration testing.
- Followed Agile development methodologies (Scrum), actively participating in sprint planning, daily stand-ups, and retrospectives.
Software Developer
VIVID CLOUD
07.2020 - 01.2021
- Developed and maintained backend services using Java 8, Spring Boot, and RESTful APIs, ensuring scalability and performance.
- Designed and deployed AWS Lambda functions, optimizing serverless workflows for real-time event processing.
- Built modular and reusable UI components using React and TypeScript, improving frontend responsiveness and maintainability.
- Integrated React applications with RESTful APIs, improving real-time data updates and reducing latency.
- Applied AWS Step Functions to orchestrate Lambda functions for complex cloud workflows.
- Developed cloud-based applications using AWS services including EC2, S3, DynamoDB, API Gateway, and RDS, ensuring high availability and fault tolerance.
- Implemented state management in React applications using Redux and Context API, improving efficiency in component rendering.
- Used Jest and React Testing Library for writing unit and integration tests, increasing test coverage.
- Automated infrastructure deployment with Terraform and AWS CloudFormation, ensuring seamless provisioning.
- Developed UNIX/Linux shell scripts to automate data-driven processing and backend operations.
- Managed source control and CI/CD pipelines using GitLab, Jenkins, and AWS CodePipeline, ensuring continuous integration and smooth deployments.
- Participated in Agile development processes (Scrum, TDD), collaborating cross-functionally with developers, testers, and DevOps engineers to accelerate delivery.
- Followed best security practices in AWS architecture and optimized API performance, aligning with enterprise compliance requirements.
Education
BACHELOR - SCIENCE IN INFORMATION TECHNOLOGY
COLORADO TECHNICAL UNIVERSITY
Colorado Springs, CO 03.2015 - 11.2019
Skills
Back-end architecture design
Timeline
Sr. Full Stack Engineer
Fidelity Investments
10.2021 - Current
Application Sys Analyst/programmer III
UNITED LAUNCH ALLIANCE (ULA)
02.2021 - 10.2021
Software Developer
VIVID CLOUD
07.2020 - 01.2021
BACHELOR - SCIENCE IN INFORMATION TECHNOLOGY
COLORADO TECHNICAL UNIVERSITY
03.2015 - 11.2019
Languages
English
Professional Working
Spanish
Native or Bilingual
Personal Information
Work Permit: Authorized to work in the US for any employer
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