Software Engineer - Backend and Data & AI (all genders)

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Date: Oct 31, 2025

Location: Lisbon, PT Porto, PT

Company: valantic GmbH

Effective Field

  • You can look forward to a dynamic, challenging, and diverse work environment in the Data & AI domain, where you’ll contribute to innovative client projects across various industries.
  • You’ll be part of a hybrid, international expert team that combines technical with consulting excellence.
  • You’ll design and develop scalable Data & AI solutions – from architecture and implementation through to integration into production environments.
  • You’ll actively contribute to agile projects, take ownership of subprojects, and collaborate closely with colleagues from Cloud, Data, and AI Engineering or Consulting.
  • You can expect diverse challenges, plenty of room for initiative, and the opportunity to shape technological trends through real client projects.

What distinguishes you

  • Degree in Software Engineering, Computer Science, Informatics, or a related field.
  • Experience:
    • Mid-Level: 3–6 years of professional software development experience.
    • Senior: 6+ years of experience with a proven track record in designing, implementing, and operating scalable, secure, and performant backend systems.
  • Proficient in Java, Spring Boot, REST API design, message-driven architectures (Kafka), async processing, dependency management (Maven), and microservice architecture design, with additional experience in Python or other modern languages.
  • Experience with cloud platforms (Azure, AWS), containerization (Docker, Kubernetes), serverless services, monitoring tools (Splunk, Prometheus, Grafana), and best practices like CI/CD, Git workflows, automated testing, and agile methodologies.
  • Experience with relational/NoSQL databases, data modelling, production-grade ML integration, and exposure to LLM frameworks (Spring AI, LangChain) with interest in prompt engineering, fine-tuning, and semantic search; routine use of AI-assisted coding tools.
  • Fluent in English.
  • Strong team player with excellent intercultural communication skills.
  • Independent, structured, and self-reliant working style.
  • Pragmatic, solution-oriented, and analytical thinker.

What you can expect

  • Professional environment with challenging national and international digital projects for well-known customers and hidden champions;
  • A passionate team with a Can-Do Attitude that welcomes you with open arms;
  • A modern working environment with a feel-good factor;
  • Development opportunities that suit you;
  • Flexible working hours, attractive benefits and of course lots of fun.