Senior Software Engineer – Java & Aws Cloud

Apply to one of our open positions or send us a spontaneous application.

Primary purpose of the role

• Design, develop, and maintain scalable, secure, and
  - performance backend systems and APIs using Java 21 and Spring Boot.
• Build and deploy
  - native applications on AWS, leveraging Infrastructure as Code practices with Terraform.
• Collaborate with data engineers, architects, and cross‑functional teams to deliver reliable, efficient, and innovative solutions in a fintech environment.
• Contribute to continuous improvement in development, Dev
  Ops, and cloud practices, ensuring performance, security, and automation excellence.

Key responsibilities

• Design, develop, and maintain backend services and APIs using Java 21 and Spring Boot.
• Build and deploy
  - native applications on AWS leveraging services such as ECS, Lambda, Step Functions, RDS, S3, SQS, SNS, and Cloud
  Watch.
• Implement and manage infrastructure using Terraform (Infrastructure as Code).
• Collaborate with data engineers, architects, and other software teams to deliver scalable solutions.
• Ensure code quality, maintainability, and adherence to secure coding practices.
• Participate in the full software development lifecycle — from design and implementation to deployment and monitoring.
• Contribute to architectural discussions and mentor junior developers.
• Drive best practices in automation, Dev
  Ops, and performance optimization.

Qualifications

• Degree in Computer Science, Engineering, or a related field (or equivalent experience).
• 5+ years of professional experience in backend or
  - stack software development.
• Strong expertise in Java 21, Spring Boot, Spring Data, Hibernate, and JDBC.
• Proven experience with AWS environments: ECS, Lambda, Step Functions, RDS, S3, SQS, SNS, Cloud
  Watch, etc.
• Experience managing infrastructure with Terraform.
• Proficiency in Python for scripting or integration tasks.
• Solid understanding of RESTful APIs, microservices architecture, and secure coding principles.
• Familiarity with CI/CD pipelines, Git
  Hub/Git
  Lab, and Agile methodologies (Scrum, Jira).
• Excellent communication and teamwork skills.

Nice to have

• Experience with containerization tools such as Docker or Kubernetes.
• Familiarity with AI tools or frameworks.
• AWS certification (e. g. , Solutions Architect or Developer).
• Experience integrating backend systems with data pipelines.
• Background in financial services or fintech platforms.

Work setup

Hybrid: 4 days/week onsite during the first 3 months, then 3 days/week onsite.

Location

Lisbon, Portugal

Application

Excited? So are we! Send us your CV and let's shape the future of
- native financial technology together.