Software Engineer – Backend and Data & AI (all genders) Porto, Lisbon

valantic GmbH; Porto, Lisboa; Presencial; EUR 45 000 - 75 000; Tempo integral

Resumo da oferta

valantic GmbH is seeking a Software Engineer - Backend and Data & AI in Porto to join a hybrid, international expert team. You will build scalable Data & AI solutions across industries, from architecture to production, and collaborate closely with cloud, data, and AI engineering and consulting colleagues.

Expect modern technologies: Java, Spring Boot, REST APIs, Kafka, Docker, Kubernetes, and cloud platforms (Azure/AWS).

Qualificações

• Degree required in Software Engineering, Computer Science, Informatics, or related field.
• 3-6 years for mid-level; 6+ years for senior with backend scale and security focus.
• Proficient in Java, Spring Boot, REST API design, Kafka, Maven, and microservice design; Python or other modern languages a plus.
• Cloud platforms (Azure, AWS); containerization (Docker, Kubernetes); monitoring tools; CI/CD; automated testing; Agile methodologies.
• Experience with relational/NoSQL databases, data modeling, ML integration, and exposure to LLM frameworks (Spring AI, LangChain).
• Strong intercultural collaboration, independent, analytical, and proactive.

Responsabilidades

• Design and develop scalable Data & AI backend solutions from architecture to production.
• Collaborate with Cloud, Data, and AI Engineering or Consulting teams in agile projects.
• Own subprojects and contribute to end-to-end deployment and operation of backend services.

Conhecimentos

Java

Spring Boot

REST API design

Kafka

Async processing

Maven

Microservice architecture

Python

Azure

AWS

Docker

Kubernetes

CI/CD

Git workflows

Testing

Formação académica

Degree in Software Engineering, Computer Science, Informatics, or related field

Ferramentas

Java

Spring Boot

REST API design

Kafka

Maven

Microservices

Azure

AWS

Docker

Kubernetes

CI/CD

Git

Descrição da oferta de emprego

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

Porto Lisbon Java Experienced Professionals

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.
• 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.

I do not want to specify a desired salary.