Developer
Back-end Engineer
Available for hire
Years of
experience
7+ years
Experience
level
Mid-level
Available
for
Full-time, Contract, Freelance
Available from
28 Jun 2026
I’m a proactive, detail-oriented person who enjoys solving problems and learning quickly. What makes me unique is that I combine strong communication skills with a practical mindset, so I can work well with people while also staying focused on results. I have experience handling responsibilities in fast-paced environments, adapting to new tools, and staying organized under pressure. I’m looking for a job where I can contribute, continue growing, and be part of a team that values reliability, collaboration, and continuous improvement.
Skills
Employment History
SQL Developer at
ZVENTUS
Current
2025
-
Now
· Developed and maintained advanced SQL solutions (stored procedures, functions, views, triggers) to
support end-to-end data workflows and reporting for real estate and property datasets.
· Built and optimized ETL/ELT transformations to integrate data from multiple sources, standardizing
and enriching records for downstream analytics and operational use.
· Tuned complex queries using execution plan analysis, indexing strategies, and partition-aware design to
improve performance and scalability across high-volume tables.
· Implemented data quality controls (validation rules, reconciliations, exception handling) to ensure
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accuracy, consistency, and traceability of business-critical information.
· Partnered with BI/data engineering and business stakeholders to translate requirements into reliable
database deliverables, ensuring alignment with governance and security practices.
· Supported production deployments by documenting changes, following controlled release processes,
and troubleshooting incidents to maintain availability and meet SLAs.
· Improved reporting and batch processing efficiency by optimizing stored procedures and query logic,
reducing execution times and enhancing system responsiveness.
Software Developer at
DACODES
2024
-
2024
· Developed robust and scalable applications using .NET Core and implemented RESTful APIs to
facilitate seamless communication between systems.
· Designed and integrated Redis Cache solutions to optimize data access, reduce latency, and improve
application performance under high workloads.
· Collaborated with cross-functional teams to deliver a short-term project on time, ensuring clean
architecture and adherence to best coding practices.
· Conducted code reviews to maintain high-quality software delivery and minimize bugs in production
environments.
· Optimized API performance and database queries to achieve faster response times, enhancing user
experience.
· Utilized tools such as Postman for API testing and Entity Framework Core for efficient database
interactions.
· Delivered clear technical documentation to support future development and knowledge transfer.
Software Developer at
FREELANCE
2020
-
2024
· Designed and developed custom web applications and RESTful APIs using C# and .NET Core,
providing tailored solutions to small businesses and startups to streamline their operations and
improve digital presence.
· Optimized SQL Server and Oracle databases through the implementation of triggers, indexing, and
advanced query tuning techniques, achieving a 35% reduction in response times and improving
system efficiency.
· Implemented robust CI/CD pipelines using Azure DevOps, enabling automated builds, testing, and
deployments, ensuring reliable, disruption-free, and timely software delivery.
· Integrated Redis Cache for critical applications to enhance performance, providing rapid data storage
and retrieval for high-traffic scenarios and improving user experience.
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· Conducted system performance analysis and debugging to identify bottlenecks, resulting in more
efficient, scalable, and secure applications.
· Collaborated directly with clients to gather requirements, propose innovative solutions, and deliver
software aligned with their business goals and operational needs.
· Provided ongoing maintenance and technical support, ensuring the stability, security, and scalability
of deployed applications.
· Delivered comprehensive technical documentation and user training to facilitate smooth adoption
and future enhancements.
SR SPECIALIST DEVELOPMENT MANAGEMENT at
NR Finance México
2018
-
2025
· Implemented features in C# and .NET, leveraging design patterns such as MVC and SOLID principles for
maintainable, scalable code.
· Optimized SQL Server and Oracle databases with a focus on performance tuning and query
optimization.
· Designed and implemented modern architectures for RESTful APIs using .NET Core and Azure
DevOps for CI/CD pipelines.
· Maintained and updated Web Forms and Windows Forms applications, applying Agile methodologies
(Scrum) for frequent, high-quality releases.
· Monitored and optimized backend performance, configuring alerts and resolving issues proactively to
ensure continuous system availability.
· Improved application processing times by 25% through structural enhancements and optimizations
with queries and stored procedures to boost efficiency and reduce response times in mission-critical
systems.
SR Supervisor of Business Applications at
NR Finance México
2016
-
2018
· Managed and enhanced critical business applications developed with ASP.NET MVC and Windows
Forms, ensuring their scalability, maintainability, and alignment with business goals.
· Led a team of developers and analysts, providing technical direction, mentoring, and fostering
collaboration to achieve project milestones and operational efficiency.
· Improved SQL Server and Oracle database performance by implementing advanced optimization
techniques, including indexing, partitioning, and query tuning, which resulted in a 40% reduction in
query execution times.
· Designed and implemented CI/CD pipelines using Azure DevOps, reducing manual deployment
errors, automating release processes, and accelerating delivery timelines by 25%.
· Collaborated closely with cross-functional departments to gather requirements, analyze business
needs, and deliver tailored solutions that streamlined critical operations.
· Conducted regular system performance audits and implemented proactive monitoring tools,
identifying and resolving bottlenecks to improve overall system reliability and uptime.
· Spearheaded the migration of legacy applications to modern platforms, improving performance,
security, and user experience.
· Delivered detailed technical documentation and user training sessions, ensuring stakeholders
effectively utilized new features and solutions.
· Successfully managed vendor relationships for third-party tools and solutions, ensuring cost-
effective and high-quality integrations.
Sr Business Analyst at
Sinersys Technologies
2015
-
2016
· Gathered, analyzed, and documented functional and technical requirements for custom software
applications, ensuring alignment with client needs and business objectives.
· Worked closely with stakeholders to translate business processes into clear technical specifications,
bridging the gap between business requirements and development teams.
· Collaborated with development teams to design and implement software solutions using C# and
the .NET Framework, delivering applications that improved operational efficiency and met project
deadlines.
· Created detailed use cases, user stories, and process flow diagrams to guide development, testing,
and deployment phases.
· Assisted in the design and validation of database structures and application logic, ensuring optimal
performance and data integrity.
· Supported User Acceptance Testing (UAT) by developing test plans, test cases, and coordinating with
end users to validate solutions, leading to smooth project sign-offs.
· Facilitated cross-departmental communication to ensure project goals were clearly understood and
achieved, minimizing delays and enhancing team collaboration.
· Prepared comprehensive technical documentation for delivered solutions, including system
architecture, workflows, and user manuals.
Jr Business Analyst at
Sinersys Technologies
2013
-
2015
· Collected, analyzed, and documented business requirements for enterprise systems, ensuring a clear
understanding of stakeholder needs and project scope.
· Assisted in the development of functional specifications and process flow diagrams to support system
design and implementation.
· Participated in functional testing of enterprise applications, creating test plans and test cases to
ensure solutions met business requirements and quality standards.
· Provided ongoing technical support and issue resolution for existing applications, collaborating with
development teams to address bugs, enhancements, and user-reported problems.
· Supported the data validation process, ensuring accuracy and integrity of enterprise data through
analysis and testing.
· Worked with cross-functional teams to improve system performance and usability by identifying
areas for process optimization and technical enhancements.
· Assisted in the preparation of user manuals and delivered user training sessions to ensure smooth
adoption of new functionalities.
Actively contributed to status meetings and project documentation, maintaining clear communication
with project stakeholders and team members.
ManPower Group at
Jr Developer
2013
-
2013
· Contributed to the development of web and desktop applications using C#, ASP.NET MVC, and
Windows Forms, delivering solutions that enhanced business workflows and productivity.
· Collaborated with senior developers to design and implement key application components, adhering
to clean coding standards and best practices.
· Participated in the debugging and resolution of application issues, ensuring a smooth user experience
and system stability.
· Assisted in gathering requirements from stakeholders and translating them into technical solutions
under close supervision.
· Developed and tested application modules, ensuring quality through unit testing and manual
debugging.
· Supported the creation of technical documentation for new and existing functionalities, enabling
future maintainability and scalability of applications.
Engaged in peer code reviews and gained exposure to agile development methodologies, improving
collaboration and coding proficiency.
Education
Bachelor degree in Computer Science and Distributed Systems at
Tecnológico Nacional de México Campus Aguascalientes
2007
-
2013