# Senior Software Engineer

> Complexio · Warsaw, Poland (Hybrid) · Full-time · Posted 2025-09-24

**Workplace:** hybrid

**Department:** Poland

## Description

Complexio’s Foundational AI platform automates business processes by ingesting and understanding complete enterprise data—both structured and unstructured. Through proprietary models, knowledge graphs, and orchestration layers, Complexio maps human-computer interactions and autonomously executes complex workflows at scale.

Established as a joint venture between Hafnia and Símbolo—with partners including Marfin Management, C Transport Maritime, BW Epic Kosan, and Trans Sea Transport—Complexio is redefining enterprise productivity through context-aware, privacy-first automation.

The project focuses on enhancing business processes through the use of artificial intelligence and advanced technologies. It enables intelligent data handling and supports automated decision-making. Built with modern, high-performance solutions, it ensures efficiency, security, and scalability.

## Requirements

### Qualifications

-   **5+ years** of experience in **software development**.
-   Strong experience with **Python.**
-   Experience with **vanilla JavaScript.**
-   Experience with **relational databases** (PostgreSQL) and **KV stores** (Redis).
-   Experience in **cloud platform** (Azure / AWS / GCP).
-   Experience with **CI/CD pipelines** and tools like **GitHub Actions**.
-   Strong understanding of **event-driven systems** and distributed architectures.
-   Experience with containerization tools (**Docker** / Podman) and orchestration platform (Kubernetes).
-   English min B2.

**Nice to have** 

-   Experience with **graph databases** (Neo4j) and **vector databases** (Milvus).
-   Experience with **NLP libraries and frameworks** (spaCy / Transformers).
-   Proficiency in compiled languages (Rust, Go, Java, C#).
-   Experience with **machine learning concepts** and the ability to work with NLP datasets.
-   Experience in building **web applications** using modern frameworks (React, Vue.js) or **desktop applications** (Electron, Tauri).

## 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.

## Apply

[Apply at Complexio](https://apply.workable.com/complexio/j/9DCEC4350A/apply)

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