Full Stack Java Developer

QUANTEAM (RAINBOW PARTNERS Group); Lisboa; Hybrid; EUR 25,000 - 48,000; Full time

Benefits offered by this job

Health Insurance

Extra holiday: Christmas Eve or New Y…

Access to Quanteam Academy for ongoing

Elevate Program for career growth

Consultant Expert support

Job summary

QUANTEAM (RAINBOW PARTNERS Group) in Lisbon is seeking a Full Stack Java Developer to design, develop and optimize web applications using Java, Spring Boot, and Angular. You will collaborate with cross‑functional teams to translate business requirements into scalable technical solutions.

You will implement and optimize SQL queries, integrate with enterprise systems, and maintain tests, while practicing secure coding and SDLC standards.

Qualifications

• A university degree in Computer Science, IT, Computer Engineering, or a related field is required.
• Hands-on Java development experience with microservices.
• Strong knowledge of Java and Spring Boot; Java 21 is valued.
• Experience with SQL querying and stored procedures.
• Experience with Docker and Kubernetes; AWS ECS is a plus.

Responsibilities

• Design, develop, and enhance web applications using Java, Spring Boot, and Angular.
• Collaborate with cross-functional teams to translate business requirements into technical solutions.
• Design, implement, and optimize SQL queries and stored procedures for data retrieval and manipulation.
• Integrate applications with enterprise systems and follow best practices for security and SDLC.
• Develop and maintain unit and integration tests; conduct code reviews and refactor as needed.
• Troubleshoot complex issues and support delivery across environments in an Agile, international team.
• Work in a hybrid model in Lisbon.

Skills

Analytical thinking

Problem-solving

Communication

Team collaboration

Software design patterns

Security awareness

Education

University degree in Computer Science, Information Technology, Computer Engineering, or a related field

Tools

Spring Boot

Angular

Java 21

Docker

Kubernetes

AWS ECS

Git

Maven

Gradle

Hibernate

Junit 5

Mockito

T-SQL / Sybase

Job description

Quanteam, founding entity of RAINBOW PARTNERS, is a consulting firm specialized in Banking and Financial Services. With more than 1200 consultants across 10 countries, we combine business and IT expertise to support leading institutions in transformation projects.

Our core areas:

Operations & Finance

We are looking for a Full Stack Java Developer!

• Design, develop, and enhance web applications using Java, Spring Boot, and Angular.
• Collaborate with cross-functional teams to understand business requirements and propose technical solutions.
• Design, implement, and optimize SQL queries and stored procedures for efficient data retrieval and manipulation.
• Integrate applications with enterprise systems using industry-standard technologies and best practices.
• Develop and maintain unit and integration tests to ensure software quality and reliability.
• Conduct code reviews, refactor existing code, and improve application performance.
• Apply coding standards and security guidelines, including static code analysis and vulnerability scanning.
• Troubleshoot complex technical issues and support application delivery across different environments.
• Collaborate daily with an international team in an Agile environment.
• University degree in Computer Science, Information Technology, Computer Engineering, or a related field.
• At least 3 years of Java development experience, including microservices.
• Strong knowledge of Java and Spring Boot; experience with Java 21 is valued.
• Proven experience with T-SQL, preferably Sybase, or a similar procedural SQL language.
• Experience developing and optimizing SQL queries and stored procedures.
• Hands‑on experience with Docker and Kubernetes; knowledge of AWS ECS is a plus.
• Experience with cloud-based applications and continuous delivery practices.
• Experience with unit and integration testing using JUnit 5 and Mockito.
• Knowledge of Hibernate or other ORM tools.
• Proficiency in Git and branching strategies, as well as Maven and Gradle.
• Good understanding of software design patterns and development best practices.
• Strong analytical, problem-solving, and communication skills.
• Ability to collaborate in an international, multicultural team.
• Availability to work in a hybrid model in Lisbon.
• This role offers a gross annual salary between 24.500€ and 47.500€, defined according to the candidate’s experience and competencies.
• Permanent contract (CTI).
• Health Insurance.
• Extra holiday: Christmas Eve or New Year’s Eve.
• Access to Quanteam Academy for continuous learning and certifications.
• Elevate Program to support professional development and career growth.
• Ongoing follow-up and technical support provided by a Consultant Expert.