Efrain David Blanco Fonseca
Software Developer
Vancouver,British Columbia
Summary
A Highly experienced Software Developer with 12+ years of experience in translating business requirements and functional specification into code modules and software solutions.
Complex problem-solver with analytical and driven mindset. Dedicated to achieving demanding development objectives according to tight schedules while producing impeccable code.
Overview
15
15
years of professional experience
2
2
Languages
Work History
Senior Software Developer
Indra
11.2022 - Current
- Enhanced application scalability through the development of microservices architecture.
- Wrote unit tests to evaluate high code coverage.
- Maintain the functionality of current software systems through meticulous identification and resolution of software irregularities and defects.
- Collaborate with management, internal and development partners regarding software application design status and project progress.
- Follow standard methodologies on coding to write clean and self-documenting code.
- Refactored legacy code to improve maintainability and adhere to current coding standards.
- Reduced software bugs by conducting thorough unit testing and collaborating with QA teams.
Senior Backend Developer
C&W Networks
8 2018 - 11.2022
- Developed RESTful APIs that facilitated seamless data exchange between clients and servers in a distributed environment.
- Collaborated with business intelligence staff at customer facilities to produce customized ETL solutions for specific goals.
- Collaborated with business-unit leaders to identify and prioritize problems.
- Identified, analyzed and interpreted trends or patterns in complex data sets.
- Directed data transformations and transitions using RAID.
- Automated repetitive tasks using custom scripts, enhancing productivity across the development team.
- Reduced server response time by optimizing database queries and indexing strategies.
Senior Software Developer
University Foundation Colombo Internacional
03.2018 - 08.2018
- Increased application performance through efficient coding practices and optimization techniques.
- Updated old code bases to modern development standards, improving functionality.
- Applied agile methodology to shorten cycle time and achieve target margins.
- Documented code thoroughly, facilitating ease of understanding for other team members during maintenance cycles or future updates.
- Provided technical support using knowledge of complex technology to solve problems and support new projects.
- Translated customer requirements into written use cases.
Senior Software Developer
PersonalSoft S.A.S
8 2016 - 5 2017
- Collaborated with product owners, team members, technologists, and other scrum masters to define solutions and drive progress.
- Planned Agile best practices and encouraged team cohesion, overcoming impediments, and hurdles to productivity.
- Provided technical support for end-users by addressing SQL-related issues, enhancing overall user satisfaction with the application.
- Worked closely with Quality Assurance teams throughout development to ensure a high level of code quality and adherence to requirements.
- Collaborated with cross-functional teams to design and implement effective data solutions, ensuring seamless integration with existing systems.
Senior Java Developer
I2B Technologies
11.2014 - 8 2016
- Developed server-side logic in Java.
- Enhanced software functionality by identifying and resolving complex coding issues.
- Built flexible, reusable code and libraries for future use.
- Coordinated with quality assurance teams to identify areas for improvement, ultimately increasing overall product reliability and stability.
- Delivered high-quality software solutions with thorough testing and debugging procedures.
- Mentored junior developers, providing guidance on best practices and fostering a collaborative team environment.
- Implemented agile methodologies to increase project flexibility and adaptability to evolving client needs.
Team Leader/Scrum Master
CLSMA Ltda.
03.2014 - 11.2014
- Coached cross-functional teams on Agile principles, leading to an increase in successful project deliveries.
- Conducted daily stand-up meetings, sprint planning sessions, and sprint reviews, ensuring effective communication among team members.
- Mentored junior team members on Scrum best practices, fostering their professional growth within the organization.
- Led sprint reviews and planning meetings to promote full team engagement.
- Streamlined and standardized development practices by designing and implementing Java components aimed at simplifying and unifying the coding process for developers.
- Empowered team members by delegating responsibilities according to individual strengths and areas of expertise.
Software Developer
Ceiba Software
08.2012 - 02.2014
- Championed Agile best practices and Scrum framework adoption across the organization, leading to increased productivity and better alignment with business objectives.
- Enhanced software quality by implementing Agile methodologies and participating in daily stand-up meetings.
- Contributed to a positive team environment through effective communication, problem-solving, and collaboration skills.
- Developed customized software solutions for diverse clients, resulting in increased satisfaction and repeat business.
- Improved software efficiency by troubleshooting and resolving coding issues.
- Documented technical workflows and knowledge to educate newly hired employees.
Junior Java Developer
CLSMA Ltda
06.2009 - 07.2012
- Customized existing software solutions to meet unique client needs while adhering to quality standards and guidelines.
- Developed user-friendly web interfaces using HTML, CSS, and JavaScript to improve overall user experience.
- Streamlined database operations for efficient data retrieval and storage with well-designed SQL queries.
- Contributed to open-source libraries or tools used within the organization''s technology stack, promoting a culture of collaboration and continuous improvement.
Education
English As A Second Language
Canadian Alliance
Barranquilla, Colombia08.2022
Bachelor of Science - Software Systems Development
Universidad Tecnológica De Bolivar
Cartagena, Colombia 05.2001 -
Skills
Java
Oracle
PL/SQLJavaScriptJQueryMicroservicesSpring Data JPAHibernateRESTJUnitMockitoDesign PatternsDatabase modelingShell ScriptMySQLPostgreSQLGITMavenJenkinsSonarQubeLiquiBaseDockerSCRUMAngularEJBETLAPI Integration
Software Maintenance
System optimization
Scrum Framework
Object-Oriented Programming
Code testing
Design patterns
Refactoring Code
Microservices Architecture
Web Development Software
Source and Version Control: Git, Github
Requirements Gathering
Multitasking
Adaptability
Analytical Skills
Teamwork and Collaboration
Python Scripting
Timeline
Senior Software Developer
Indra
11.2022 - Current
Senior Software Developer
University Foundation Colombo Internacional
03.2018 - 08.2018
Senior Java Developer
I2B Technologies
11.2014 - 8 2016
Team Leader/Scrum Master
CLSMA Ltda.
03.2014 - 11.2014
Software Developer
Ceiba Software
08.2012 - 02.2014
Junior Java Developer
CLSMA Ltda
06.2009 - 07.2012
Bachelor of Science - Software Systems Development
Universidad Tecnológica De Bolivar
05.2001 -
Senior Backend Developer
C&W Networks
8 2018 - 11.2022
Senior Software Developer
PersonalSoft S.A.S
8 2016 - 5 2017
English As A Second Language
Canadian Alliance
Personal Information
- Date of Birth: 10/28/1985
- Nationality: Colombia