Aderen People Job details Full Stack Developer (Java / Spring Boot / Angular) Freelance Full time Apply now Job Opening ID 2542 Project lenght in months Largo Plazo Languages Español Knowledge area Skills Angular, JavaScript Rate
- Eur 200-220

Job Description
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 idóneo 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. Apply now

📌 Full Stack Developer (Las Rozas de Madrid)
🏢 Aderen
📍 Las Rozas de Madrid