SKILLS
●●● Expert●● Professional● Intermediate
Languages
Java●●●
Kotlin●●●
Python●
Frameworks
Spring Boot●●●
Project Reactor●●
Databases
MongoDB●●
Redis●●
PostgreSQL●
Oracle●
Elastic●
DevOps & Cloud
AWS●●
Azure●●
OpenShift●●
GitHub Actions●●
Kubernetes●
Jenkins●
Grafana●
Messaging
Kafka●●
AWS SNS/SQS●
CONTACT
Adrián Polit Diago
Senior Backend Developer
ABOUT ME
Senior Backend Engineer specialized in microservices and clean architecture. I design and build robust, scalable, and maintainable systems using Java, Kotlin, Kafka, and cloud platforms such as AWS, Azure, and OpenShift.
EXPERIENCE
Senior Backend Developer
Jun 2025 - CurrentlyBluetab, an IBM Company
Senior Backend Engineer @ Banco Santander
Developing new capabilities and BAU of the company data governance tool.
Java 17 · Spring Boot · Python · Kafka · Github Actions · PostgreSQL · OpenShift · Truedat
Backend Developer
Feb 2023 - Jun 2025Inno IT
2024 - 2025: Senior Java Developer @ Banc Sabadell
Defining architectural solutions and developing transversal tools, starters, and core microservices for the banking infrastructure.
Java 17 · Spring Boot · Kafka · MongoDB · Redis · Jenkins · Microsoft Graph · Elastic
2023 - 2024: Reactive Kotlin Backend Developer @ Telefónica
Implementing and optimizing Kotlin reactive pipelines, on an event driven data project.
Kotlin · Spring Boot · Project Reactor · Azure (AKS, IotHub, EventHubs) · Redis · Grafana · GitHub Actions
Kotlin Backend Developer
Aug 2022 - Jan 2023Wabi Project
Creation and maintenance of Kotlin Lambdas, event driven and with focus on data ETL.
Kotlin · AWS Lambda · AWS SNS/SQS · AWS Glue · Athena · Jenkins
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