Gonzalo Garcia-montero
London
Summary
Software Engineer with multi-year experience building backend systems and distributed, event-driven architectures across telecoms, geospatial, and government domains. With hands-on experience designing scalable microservices, asynchronous pipelines, and system integrations processing high volumes of data. Proven ability to debug production systems, improve reliability, and collaborate across teams in agile environments.
Overview
8
8
years of professional experience
3
3
years of post-secondary education
Work history
Application Developer
Cityfibre
London
12.2023 - 03.2026
- Developed and maintained a containerised, event-driven integration platform between Salesforce and ServiceNow using Python, Laravel, and Kafka.
- Built Kafka publishers/consumers with retry mechanisms, ensuring reliable distributed message processing and fault tolerance.
- Focused on system resilience, error handling, and debugging production issues across asynchronous workflows.
- Implemented DTO validation layers to improve data integrity across services.
- Managed environments with Docker, Nginx, MySQL, and contributed to CI/CD, testing (PHPUnit), and code quality practices.
- Extended ServiceNow integrations through data transformations, business rules, and automated workflows.
Full-Stack Developer
Ordnance Survey
London
10.2022 - 09.2023
- Contributed to a large-scale distributed system (650+ organisations) for the National Underground Asset Register.
- Developed Java (Spring Boot) microservices and contributed to frontend features using React/JavaScript.
- Built and maintained CI/CD pipelines (Azure) and worked with Docker for consistent deployments.
- Performed integration testing and cross-service debugging in a multi-system architecture.
- Collaborated with stakeholders to deliver scalable, production-ready features.
Java Developer
HM Land Registry
London
12.2020 - 08.2022
- Developed and maintained RESTful backend services for a counter-fraud platform handling sensitive, high-volume data.
- Applied data structures and algorithmic thinking to improve efficiency of backend processes.
- Debugged API and database issues using Postman, SQL, and logging tools.
Automation engineer
FDM Group
Leeds
09.2018 - 06.2022
- Built and maintained the automated tests for multiple clients at FDM, mainly HSBC and HMLR (Land Registry) coding mostly in Java and Ruby
Education
Bachelor of Science - Computer Science and Management
University of Exeter
Exeter 09.2015 - 06.2018
Skills
Languages:
Python, Java, JavaScript
Backend & Distributed Systems:
Microservices, Event-Driven Architecture, Kafka, REST APIs, Asynchronous Processing
Frameworks & Tools:
Spring Boot, Docker, React
Databases:
PostgreSQL, MySQL, SQL
Cloud & DevOps:
CI/CD (Azure DevOps, Jenkins), Linux
Testing:
JUnit, Mockito, PHPUnit, Integration Testing
Core:
Data Structures & Algorithms, System Debugging, API Design, Agile
Languages
English
Native
Spanish
Native
French
Intermediate (B1)
Affiliations
- Playing live music in a band
- Tennis amateur playing in local leagues and tournaments
Timeline
Application Developer
Cityfibre
12.2023 - 03.2026
Full-Stack Developer
Ordnance Survey
10.2022 - 09.2023
Java Developer
HM Land Registry
12.2020 - 08.2022
Automation engineer
FDM Group
09.2018 - 06.2022
Bachelor of Science - Computer Science and Management
University of Exeter
09.2015 - 06.2018