Back End Developer (Mid- Junior) Lisboa

Back End Developer (Mid- Junior)
Lisboa
Lisboa, Lisboa, Portugal

Job Opportunity: Backend Engineers (Junior & Mid-Level) in Lisbon

A
- growth fintech
- up expanding its R&D hub in Lisbon is seeking several Backend Engineers (junior &
- level). Join a
- native,
- driven environment where developers handle features
-
- end—from requirements to deployment and monitoring.

Key Responsibilities

• Design and develop scalable microservices for
  - volume,
  - time traffic processing.
• Write clean, idiomatic Scala / Java / Kotlin, emphasizing functional programming principles.
• Deploy, monitor, and optimize containerized workloads using Docker and Kubernetes across public clouds.
• Collaborate with Product, Data Science, and Dev
  Ops teams to enhance fraud detection and payment risk features.
• Participate in architecture and code reviews, promoting best practices in testing and CI/CD.

Mandatory Requirements

• 1-2 years (Junior) / 3-4 years (Mid) of
  - on
  - side development experience.
• Experience with functional programming concepts (pure functions, immutability, FP libraries).
• Experience with at least one major cloud provider (AWS, GCP, Azure) and container technologies (Docker & Kubernetes).
• Strong understanding of microservice architecture and REST/event-driven communication.

Nice to Have

• Knowledge of data modeling for SQL or No
  SQL databases.
• Exposure to
  - throughput streaming platforms like Kafka or Kinesis.

Why Apply?

• Impact: Contribute to
  - critical services used by global brands.
• Modern Stack: Technologies like Scala, Kafka, Kubernetes, Spark, and more.
• Ownership Culture: Focus on outcomes with minimal
  - watching.
• Hybrid Work: 2 days/week in Lisbon (with plans to increase), core hours 10:00–18:00.

Benefits

• Health, dental, wellness benefits, WFH options, meal allowances, and generous PTO (final details at offer).

Applicants must already have EU work authorization; visa sponsorship or relocation is not available for this role.

Additional Details

• Seniority level: Mid-Senior level
• Employment type: Full-time
• Industries: Software Development, Financial Services