Manuel Mérida Oliveros - Senior Java Developer

Q: Where is Manuel based?

Manuel is based in Madrid, Spain .

Q: What languages does Manuel speak?

Manuel speaks the following languages: Spanish (Native), English (Advanced) .

Q: How many years of experience does Manuel have?

Manuel has at least 7 years of experience. During this time, Manuel has worked in at least 4 different roles and for 13 different companies . The average length of individual experience is 7 months . Note that Manuel may not have shared all experience and actually has more experience.

Q: What is Manuel's latest experience?

Manuel's most recent position is Senior Java Developer at Ferrovial US .

Q: What companies has Manuel worked for in recent years?

In recent years, Manuel has worked for Ferrovial US , Moeve (CEPSA) , CTT Express Iberia , Iberia , and Cecabank .

Q: Which industries is Manuel most experienced in?

Manuel is most experienced in industries like Banking and Finance , Food and Beverage , and Construction . Manuel also has some experience in Information Technology (IT) , Aerospace and Defense , and Chemical .

Q: Which business areas is Manuel most experienced in?

Manuel is most experienced in business areas like Information Technology (IT) , Product Development , and Logistics .

Q: Which industries has Manuel worked in recently?

Manuel has recently worked in industries like Banking and Finance , Food and Beverage , and Construction .

Q: Which business areas has Manuel worked in recently?

Manuel has recently worked in business areas like Information Technology (IT) , Product Development , and Logistics .

Recommended expert

Madrid, Spain

Experience

Dec 2024 - Present

1 year 2 months

Senior Java Developer

Ferrovial US

Led backend modernization of smart toll systems using Java 17 and Spring Boot.
Improved scalability and reliability of backend services on AWS.
Worked with Oracle DB and Kafka-based messaging architecture.

Aug 2024 - Dec 2024

5 months

Senior Java Developer

Moeve (CEPSA)

Evaluated and enhanced enterprise system architecture using Spring Boot.
Proposed improvements in performance and integration reliability.
Worked on OpenShift environment and Oracle DB backend.

Feb 2024 - Apr 2024

3 months

Senior Backend Developer

CTT Express Iberia

Built and deployed logistics modules handling delivery lifecycle logic.
Managed real-time messaging with Kafka and document storage via MongoDB.
Developed microservices hosted on Azure.

Jan 2024 - Jul 2024

7 months

Senior Backend Developer

Iberia

Redesigned login and customer data management services with Spring Boot.
Integrated Kafka and AWS to increase availability and system performance.
Contributed to secure and modular API design.

Oct 2023 - Jan 2024

4 months

Senior Java Developer

Cecabank

Integrated SWIFT/ISO20022 messaging with Spring Boot and Kafka.
Enhanced performance and monitored microservices via AWS.
Worked on financial message flows in regulated environments.

Oct 2023 - Dec 2023

3 months

Senior Backend Developer

Pomegranate Insurtech

Developed first version of insurance API backend on GCP.
Designed messaging layers with Kafka and backend logic in Spring Boot.
Handled compliance and security in a cloud-native environment.

Jun 2023 - Dec 2023

7 months

Senior Java Developer

PagoNXT (Banco Santander)

Developed payment orchestration engines for international transactions.
Ensured system stability and throughput using Kafka and Spring Boot.
Worked closely with QA and DevOps to fine-tune deployments.

Jan 2023 - Jul 2023

7 months

Senior Java Developer

BASF

Developed event-driven backend services with Kafka and Spring Boot.
Contributed to error handling and process orchestration improvements.
Worked in an Azure-hosted CI/CD pipeline.

Apr 2022 - Dec 2023

1 year 9 months

DevSecOps & Backend Engineer

IBM – Nestlé

Migrated monolithic systems to microservices with Spring Boot and AWS CDK.
Automated CI/CD workflows and built secure release pipelines.
Optimized deployments and integrations across environments.

Sep 2021 - Dec 2021

4 months

Senior Backend Developer

Leroy Merlin Spain

Led migration of payments and logistics system to microservices on GCP.
Implemented scalable solutions using Spring Boot, Kafka, MongoDB.
Integrated European payment providers and managed secure APIs.

Jan 2021 - Jan 2022

1 year 1 month

Senior Java Developer

Derayah Financial (d360 Bank)

Built digital banking APIs aligned with Saudi SAMA regulations.
Developed event-driven and compliant microservices in Spring Boot.
Managed backend persistence with Oracle and PostgreSQL.

May 2019 - Present

6 years 9 months

Senior Java Developer

ibanXS

Created a compliant Open Banking platform for PSD2 integration.
Developed high-availability APIs for financial transactions using Spring Boot and Kafka.
Integrated with over 3000 European banks and handled identity flows.

Jun 2018 - May 2019

1 year

Senior Software Engineer

DANA Indonesia

Built payment services for one of the largest fintech wallets in Indonesia.
Integrated local banks and providers using Java and Kafka.
Managed backend scaling to support millions of daily users.

Summary

Senior Java Developer with 15+ years of experience designing and implementing backend systems for banking, fintech, logistics, and large enterprise clients. Hands-on expertise in Java 17+, Spring Boot 3, Kafka, RESTful APIs, and microservices. Solid DevOps knowledge with Azure DevOps, CI/CD, and cloud-native infrastructure. Experienced in delivering scalable, secure, and high-performance software in regulated environments.

Skills

Java & Spring Boot Development
Backend Apis
Financial Messaging Systems
Event-driven Architecture
Microservices
Kafka
Ci/cd (Azure Devops, Github Actions)
Cloud Platforms (Azure, Aws, Gcp)
Agile Delivery
Database Optimization
Frontend Integration (Reactjs)
Languages: Java (8–21), Javascript, Typescript, Sql
Frameworks: Spring Boot, Spring Webflux, Spring Cloud, Reactjs, Nodejs
Messaging: Kafka, Rabbitmq, Rest, Grpc
Devops: Azure Devops, Github Actions, Docker, Gitlab Ci, Kubernetes, Terraform
Cloud: Aws, Azure, Gcp
Databases: Postgresql, Oracle, Mongodb
Best Practices: Ddd, Tdd, Bdd, Clean Code, Microservices, Hexagonal Architecture

Languages

Spanish

Native

English

Advanced

Education

Oct 2004 - Jun 2007

Bicentennial University of Aragua

Technician in Computer Science · Computer Science · Venezuela

Certifications & licenses

Master Pro Certification in J2EE/Struts/Oracle

Microforum Academy

Profile

Created

December 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Manuel based?

Manuel is based in Madrid, Spain.

What languages does Manuel speak?

Manuel speaks the following languages: Spanish (Native), English (Advanced).

How many years of experience does Manuel have?

Manuel has at least 7 years of experience. During this time, Manuel has worked in at least 4 different roles and for 13 different companies. The average length of individual experience is 7 months. Note that Manuel may not have shared all experience and actually has more experience.

What roles would Manuel be best suited for?

Based on recent experience, Manuel would be well-suited for roles such as: Senior Java Developer, Senior Backend Developer, DevSecOps & Backend Engineer.

What is Manuel's latest experience?

Manuel's most recent position is Senior Java Developer at Ferrovial US.

What companies has Manuel worked for in recent years?

In recent years, Manuel has worked for Ferrovial US, Moeve (CEPSA), CTT Express Iberia, Iberia, and Cecabank.

Which industries is Manuel most experienced in?

Manuel is most experienced in industries like Banking and Finance, Food and Beverage, and Construction. Manuel also has some experience in Information Technology (IT), Aerospace and Defense, and Chemical.

Which business areas is Manuel most experienced in?

Manuel is most experienced in business areas like Information Technology (IT), Product Development, and Logistics.

Which industries has Manuel worked in recently?

Manuel has recently worked in industries like Banking and Finance, Food and Beverage, and Construction.

Which business areas has Manuel worked in recently?

Manuel has recently worked in business areas like Information Technology (IT), Product Development, and Logistics.

What is Manuel's education?

Manuel attended Bicentennial University of Aragua for Computer Science.

Does Manuel have any certificates?

Manuel has 1 certificate: Master Pro Certification in J2EE/Struts/Oracle.

What is the availability of Manuel?

Manuel is immediately available full-time for suitable projects.

What is the rate of Manuel?

Manuel's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.