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Complexio

Senior Software Engineer

Complexio
Portugal · Full-time · Mid-Senior
Complexio is Foundational AI. This works to automate business activities by ingesting whole company data – both structured and unstructured – and making sense of it. Using proprietary models and algorithms Complexio forms a deep understanding of how humans are interacting and using it. Automation can then replicate and improve these actions independently.

Complexio is a joint venture between Hafnia, in partnership with Marfin Management, C Transport Maritime, Trans Sea Transport and BW Epic Kosan and Símbolo

As a Senior Software Engineer with broad expertise, you will be a vital part of our team, developing innovative applications that leverage AI capabilities to enhance user experiences and streamline communication. You will work alongside a talented team of Data Scientists, DevOps, Product Managers, Business Analysts experts and play a key role in designing and implementing specialised AI assistant technology.

Requirements

You have:

  • Excellent problem-solving and technical skills
  • Strong communication and collaboration skills, with the ability to work in a team
  • Interest and experience in working on early-stage software and a wide range of tasks
  • Proven experience using technology and how it helped you build a lasting product

Requirements:

  • Preferred M.Sc or Ph.d degree in Computer Science or a related field
  • 7+ years of experience in Software development
  • Work experience using both compiled languages (Rust, Ocaml, Golang, Java, C#) or dynamic languages (Javascript, Python, Ruby)
  • Experience building web applications or desktop applications technologies such as Electron, tauri, React, Vue.js
  • Familiarity with CI/CD principles and technologies, including experience with GitHub Actions or similar
  • Experience working with Relational and NoSQL databases such as Postgres, Redis, Neo4j, Milviousor MongoDB, and a good understanding of data consistency tradeoffs
  • Proven Knowledge of cloud platforms (e.g., AWS, Azure, or GCP)

A bonus

  • Experience with graph databases such as neo4js, pinecone or milvious or similar
  • Experience building native desktop apps
  • Experience with NLP libraries and frameworks, such as spaCy, or Transformers
  • Familiarity with machine learning concepts and the ability to work with NLP database

Benefits

  • Join a pioneering joint venture at the intersection of AI and industry transformation
  • Work with a diverse and collaborative team of experts from various disciplines
  • Opportunity for professional growth and continuous learning in a dynamic field

Key Skills

Ranked by relevance

ai c machine learning javascript python devops golang react nosql redis neo4j cloud java rust cicd aws
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Country Guide

Portugal

Startup-friendly with strong expat appeal

Posted
Jul 23, 2025
Type
Full-time
Level
Mid-Senior
Location
Portugal
Company
Complexio

Industries

Technology Information Internet

Categories

Information Technology

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