Senior Software Engineer (Java)

Thales Group; Paço de Arcos; Hybrid; EUR 55,000 - 75,000; Full time

Job summary

Thales Group in Portugal is seeking a Senior Software Engineer (Java) to join our Hybrid Paço de Arcos team. You will design and develop high-quality Java applications (Java 21), implementing scalable architectures and robust unit tests.

You will collaborate with cross-functional teams, follow Agile processes, and write clear technical documentation while exploring new technologies to keep our solutions secure and efficient. English proficiency and willingness to travel are required.

Qualifications

• Bachelor degree in Engineering or similar area is required.
• 3+ years of experience with JAVA and Springboot is mandatory.
• Experience with agile software development processes and team collaboration.
• Proficiency in English, both written and spoken.

Responsibilities

• Develop high-quality Java applications (Java 21) with maintainable code.
• Design scalable, efficient software architectures and patterns.
• Write unit tests and fix defects, ensuring code quality and security.
• Collaborate with cross-functional teams and document technical decisions.
• Stay updated with emerging technologies and best practices.

Skills

Java

Spring Boot

Agile

English

Travel availability

Education

Bachelor degree in Engineering

Job description

Senior Software Engineer (Java)### Senior Software Engineer (Java)Apply: Hybrid: Paço de Arcos - Q45: Full time: Posted Today: R0346729Location: Paço de Arcos - Q45, PortugalFor more than 35 years, Thales acts in Portugal for global **Defense and Aerospace markets** and promotes and delivers innovative solutions that enhance its customer’s critical systems ́ security, on land, sea, air, space and cyberspace, through a technical team of excellence. If you want to be part of **Thales in Portugal** and have experience as a **Software Developer** with **Java**, this is the right opportunity for you! **Responsibilities:*** Develop high-quality, maintainable, and secure Java applications (Java 21);* Design scalable and efficient software architectures;* Write, execute, and maintain unit tests, troubleshoot and resolve bugs;* Collaborate closely with cross-functional teams;* Create and maintain clear technical documentation and stay updated with emerging technologies and best practices. **Requirements:*** Bachelor degree in Engineering or similar area;* 3+ years of experience with JAVA and Springboot (mandatory);* Experience in software development and software engineering;* Comfortable with Agile Methodology;* Written and Oral proficiency in English;* Availability to travel. The Group invests more than €4.5 billion per year in Research & Development in key areas, particularly for critical environments, such as Artificial Intelligence, cybersecurity, quantum and cloud technologies. In **2025,** the Group generated **sales of €22.1 billion.**For our more than **85,000 employees** in 65 countries we open up visionary perspectives, realise individual career paths and enable creative freedom. This is achieved with courage, versatility and the firm intention to make the demanding challenges of our time safer and more inclusive. **With our sustainable value-focused management we support diversity actively.** **If you are interested send you CV in English**. **Say HI\\* – Your journey to us**At times of change our international teams are ready to meet the complexity of today with the industry-leading technologies of tomorrow. Will you be part of it? Your contact **Jéssica Carrasqueira** is looking forward to your online application on our Career portal. Jéssica Carrasqueira – Talent Acquisition Partner#LI-JC1 #LI-HYBRID \\*Human Intelligence