Senior Java Developer: Build Scalable Web Apps

Randstad Digital Portugal; Portugal; On-site; EUR 42,000 - 64,000; Full time

Job summary

Randstad Digital Portugal is seeking a Java Developer with 3+ years of experience to design, build, and maintain scalable web applications using Java 17–21. You will work with Angular or React and collaborate with product owners, architects, and QA to ensure performance and security across services.

Experience with GraphTalk is a plus, and familiarity with REST APIs, microservices, and SQL/NoSQL databases is valued. The role follows Agile/Scrum methodologies in a dynamic digital environment.

Qualifications

• At least 3 years as Java Developer.
• Develop and maintain high-quality, scalable web applications using Java 17 to 21.
• Experience with Angular or React is highly valued.
• Experience with GraphTalk is a plus.
• Collaborate with cross-functional teams including product owners, architects and QA.
• Participate in code reviews, contribute to technical improvements and necessary documentation.
• Ensure performance, reliability, and security of applications.
• Experience with REST APIs, microservices architecture, and SQL/NoSQL databases.
• Familiarity with Agile/Scrum methodologies.

Responsibilities

• Develop and maintain high-quality web applications using Java 17 to 21.
• Collaborate with product owners, architects and QA.
• Contribute to code reviews and documentation.
• Ensure performance, reliability, and security of applications.

Skills

Java

AGILE/SCRUM

Cross-functional collaboration

Tools

Angular

React

GraphTalk

REST APIs

Microservices

SQL/NoSQL

Job description

Randstad Digital Portugal is seeking a Java Developer with 3+ years of experience to design, build, and maintain scalable web applications using Java 17–21. You will work with Angular or React and collaborate with product owners, architects, and QA to ensure performance and security across services.

Experience with GraphTalk is a plus, and familiarity with REST APIs, microservices, and SQL/NoSQL databases is valued. The role follows Agile/Scrum methodologies in a dynamic digital environment.