BUSCAMOS: Full Stack Developer (Java / Spring Boot / Angular)

RESPONSIBILITIES & TASKS:

Key responsibilities

- Gather, analyze and document business and technical requirements.

- Design software architectures and propose technical solutions aligned with business needs.

- Document functional and non-functional requirements.

- Develop, debug, test and maintain application code.

- Design and implement full-stack applications using Java, Spring Boot and Angular.

- Develop and maintain microservices and REST APIs using Spring Boot.

- Participate in the complete software development lifecycle, from requirements gathering to production support.

- Work with relational and non-relational databases, including SQL Server and Oracle Database.

- Apply software architecture principles and Java performance optimization techniques.

- Collaborate with business stakeholders, technical teams and other developers.

- Support the continuous evolution, maintenance and improvement of the platform.

- Troubleshoot technical issues and ensure application reliability and performance.

- Participate in code versioning and collaborative development using Git.

Context

- Full Stack Developer position focused on Java/Spring Boot backend development and Angular frontend development.

- The project is within the Capital Markets sector, requiring experience in financial markets, trading-related systems or a strong understanding of the industry.

- The role covers the complete software development lifecycle, including requirements analysis, architecture, implementation, testing and production support.





- The adecuado candidate combines strong technical skills with analytical thinking and the ability to collaborate with both business and technical teams.

- Minimum 2 years of experience in Full Stack software development.

Technical skills

Backend Development – Java & Spring Boot

- Minimum 2 years of experience with Java and Spring Boot.

- Strong knowledge of Java 11 or higher.

- Experience developing microservices and REST APIs using Spring Boot.

- Knowledge of software architecture principles and design patterns.

- Understanding of low-level Java concepts, including thread management, garbage collection and resource synchronization.

- Experience debugging, maintaining and optimizing Java applications.

Frontend Development – Angular

- Experience developing frontend applications using Angular 8 or higher.

- Ability to build and maintain scalable, maintainable user interfaces.

- Experience integrating Angular applications with backend services and REST APIs.

Databases & Data Management

- Experience working with relational databases.

- Knowledge of SQL Server and Oracle Database.

- Familiarity with non-relational databases.

- Ability to design, query and optimize database interactions.

Testing & Quality Assurance

- Experience with software testing and debugging.

- Knowledge of functional testing using Java.





- Familiarity with automated testing tools and frameworks.

Development Tools & Integration

- Experience using Git for version control.

- Knowledge of REST API integration and data exchange formats.

- Experience working with XML, JSON and XSD schemas.

Capital Markets & Financial Systems

- Experience working on Capital Markets projects or within financial institutions, or strong knowledge of the sector.

- Understanding of financial markets, trading systems and related business processes.

- Familiarity with financial industry architectures and integration requirements.

- Knowledge of the FIX Protocol is desirable.

Desirable skills

- Experience with AWS Cloud Services.

- Experience with Cucumber and Selenium.

- Knowledge of UNIX environments.

- Familiarity with the FIX Protocol.

- Experience working with XML, JSON, XSD and other data exchange formats.

- Experience working with Agile methodologies.

Communication & Personal skills

- Excellent verbal and written communication skills.

- Strong analytical thinking and problem-solving capabilities.

- Ability to work under pressure and resolve issues effectively.

- Ability to make decisions in complex technical and business environments.

- Strong teamwork and collaboration skills.

- Ability to communicate effectively with both business and technical stakeholders.

Languages

- English – Professional working proficiency – Mandatory.

WE OFFER:

- Full-time Freelance contract.

- Rate: €200 per day + VAT (according to the experience provided).

- Long-Term Project.

- Location: To be confirmed.

- Desired start date: ASAP.

📌 Full Stack Developer (Java / Spring Boot / Angular) (Madrid)
🏢 Aderen
📍 Madrid