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SENIOR BACKEND ENGINEER

Docplanner

2024.11 - Present

Payments team (full remote): led infrastructure work with .NET, AWS and Kubernetes. Built PHP features with DDD, CQRS and AI-assisted development.

• Led a new payment feature for two markets with a new payment provider, from design to production.
• AI-assisted engineering with Claude Code and Cursor: built 8 skills and tools used by the whole team (payment-provider sandbox, read-only production database access, message-template checkers) and improved 27 shared skills. Learned .NET with AI support.
• Built an AI skill to manage test environments and adapted it to a new testing platform. Ran AI training sessions and a cross-team demo.
• Built payment alerting as code with Datadog, OpenTelemetry and runbooks that caught a silent onboarding outage. Led an incident recovery that got back 82% of the affected value.
• Delivered key parts of Spain's e-invoicing compliance (VeriFactu) under a legal deadline, and closed authorization gaps in fiscal invoicing.
• Stabilized the invoicing service and cut its cost on my own initiative: Redis to DragonflyDB, horizontal scaling, unused databases removed.
• Team multiplier: set up cloud dev environments for several backend and frontend apps, adopted company-wide. Mentored four engineers.

SENIOR BACKEND DEVELOPER

ATRÁPALO

2019.07 - 2025.10

I work in the Urban Leisure team, managing activities and shows.

• Integrating third-party services via REST APIs to enrich and enhance the company's catalog. Symfony based microservices with a focus on DDD and hexagonal architecture.
• Project management and communication with external teams.

Main Contributions:

• Conducting internal training sessions to improve team productivity and visibility of work.
• Worked on improving continuous integration, pipelines, and migrating Docker Swarm stack to Kubernetes.
• Maintaining legacy code to gradually migrate functionality to new microservices, enhancing scalability.

BACKEND DEVELOPER

JOYNERS

2018.07 - 2019.06

I worked closely with the CTO to develop functionality at both the backend and frontend levels.

• Utilized Yii2 framework and implemented best practices like SOLID.
• Managed web server and configuration.
• Conducted backups on S3 Managed project entirely using Bitbucket

SYSADMIN, BACKEND DEVELOPER, CO-OWNER

FREAKSHEEP

2014.12 - 2018.08

Entrepreneurial project dedicated to developing multi-platform applications and services.

• Proficient in creating and managing cloud infrastructures using AWS.
• Implementation of web hosting systems (ISPConfig3.1, EC2, RDS, VPC, Route53) and backup systems (S3).
• Integration with Google Workspace.
• Experienced in project management utilizing Bitbucket, Slack, and JIRA for efficient collaboration.
• Extensive experience in corporate and custom website development using WordPress and Prestashop.
• Competent in web application development using Symfony2 and AngularJS and in smartphone application development using Ionic1

IT TECHNICIAN, TRAINER

CROMLEC, Suport tecnológic | Sokrator

2013.02 - 2015.02

Administration and maintenance of corporate servers and networks, providing on-site and remote technical assistance. Expert technician and online trainer for network and computer monitoring tools such as AlphaControl from Atera, for the entire Spanish territory. Experienced in firewall and VPN configuration and administration using Checkpoint. Capable of managing cloud backup systems.

CFGS

IES Nicolau Copèrnic

Software Development

• Técnico superior en Desarrollo de Aplicaciones Multiplataforma (DAM)
• Técnico superior en Desarrollo de Aplicaciones Web (DAW)
• Técnico superior en Administración de Sistemas Informáticos en Red (ASIX)