Java Backend Tech Lead — Hybrid (Porto/Lisbon) with Growth

QUANTEAM (Groupe RAINBOW PARTNERS); Porto; Hybrid; EUR 38,000 - 50,000; Full time

Benefits offered by this job

Meal allowance

Health Insurance

Extra holidays (Christmas Eve / New Yr

Quanteam Academy access

Elevate Program

Career progression

Consultant Expert support

Job summary

Quanteam, the founding entity of RAINBOW PARTNERS, seeks a Java Backend Developer/Tech Lead for Porto or Lisbon. You will design scalable back-end architectures, implement APIs, and drive CI/CD, microservices and testing while collaborating with analysts and teams.

The role requires strong Java/Spring, PostgreSQL, cloud and containerization skills, plus English fluency. Hybrid work in Porto or Lisbon with growth opportunities and training programs.

Qualifications

• University degree in IT or related field is required.
• Strong Java development skills with Spring Framework.
• Advanced SQL knowledge, especially PostgreSQL.
• Experience with CI/CD, microservices, unit testing and version control.
• Cloud experience (AWS or IBM) helpful.
• Experience with Docker and containerization.
• Ability to work across Dev, Tech Analysis and Leadership roles.
• Fluent English in speech and writing; hybrid Porto/Lisbon base.

Responsibilities

• Design, develop and secure scalable back-end architectures.
• Develop and maintain solutions using Java and Spring Framework.
• Expose data via APIs and data access solutions.
• Industrialize solutions with CI/CD best practices.
• Develop scalable microservices and ensure maintainability.
• Apply software engineering practices including unit testing and version control.
• Work with PostgreSQL and complex data structures.
• Contribute to validation and testing with end users; translate requirements into tech solutions.
• Collaborate with Business Analysts and other technical teams; participate in Agile ceremonies.

Skills

Java development

Spring Framework

PostgreSQL

CI/CD

Microservices

Unit testing

Version control

Docker

AWS

Agile

English fluency

Education

University degree in IT/CS

Tools

Docker

PostgreSQL

AWS

Job description

Quanteam, the founding entity of RAINBOW PARTNERS, seeks a Java Backend Developer/Tech Lead for Porto or Lisbon. You will design scalable back-end architectures, implement APIs, and drive CI/CD, microservices and testing while collaborating with analysts and teams.

The role requires strong Java/Spring, PostgreSQL, cloud and containerization skills, plus English fluency. Hybrid work in Porto or Lisbon with growth opportunities and training programs.