Senior PostgreSQL & AI Data Platform Engineer

Keystone Solutions; Brussel; Sur place; EUR 70 000 - 95 000; Plein temps

Résumé du poste

Keystone Solutions is seeking a consultant on a 01/10/2026 - 31/12/2026 (3 months) assignment at client sites to design, manage, and optimize database platforms supporting traditional applications and AI solutions. The role emphasizes performance, security, and scalability for generative AI, RAG, and ML workloads.

You will collaborate with data scientists, architects, and DevOps to implement high-availability PostgreSQL environments, vector databases, and AI data platforms while ensuring latency

Qualifications

• Bachelor's or Master's degree in Computer Science, Software Engineering, or AI.
• Non-conventional backgrounds welcome if you can demonstrate impact.
• Initial experience in developing applications integrating AI.
• Attention to detail, quality of code, and awareness of AI performance (latency, scalability).
• Team spirit and collaboration with data scientists, architects, DevOps.

Responsabilités

• Management and optimization of PostgreSQL platforms.
• Installation and configuration of database clusters.
• Monitoring and performance analysis.
• Backup, disaster recovery, and business continuity.
• High availability & performance solutions (replication, fail-over).
• Query and index optimization.
• Monitoring database performance.
• Support for AI data platforms and LLM workloads.
• Configuration of vector databases.
• Support for RAG architectures.

Connaissances

AI Databases

PostgreSQL

SQL

ETL

ELT

Replication

Clustering

Fail-over

REST APIs

OpenAPI

Python

Bash

Formation

Bachelor's or Master's degree in Computer Science/AI

Description du poste

Mission Overview

As a consultancy mission at a client site representing Keystone Solutions, you will be responsible for the design, management, and optimization of database platforms supporting both traditional applications and artificial intelligence solutions. You will establish a high-performance, secure, and scalable data platform enabling the deployment of solutions such as generative AI, RAG, and machine learning.

Key Responsibilities

• Management and optimization of PostgreSQL platforms


• Installation and configuration of database clusters


• Monitoring and performance analysis


• Backup, disaster recovery, and business continuity


• High availability & performance solutions (replication, fail-over)


• Query and index optimization


• Monitoring database performance


• Support for AI data platforms and LLM workloads


• Configuration of vector databases


• Support for RAG architectures

Soft Skills

• Ability to translate business challenges into concrete technical solutions


• Clear communication with both technical and non-technical stakeholders


• Continuous improvement mindset and feedback culture

Profile Requirements

• Bachelor's or Master's degree in Computer Science, Software Engineering, or AI


• Non-conventional backgrounds (career changers, self-taught, open source) are welcome if you can demonstrate your impact


• Initial experience in developing applications integrating AI


• Attention to detail, quality of code, and awareness of AI performance (latency, scalability)


• Team spirit and ease of collaboration with diverse profiles (data scientists, architects, DevOps)


• Technological curiosity and interest in applied AI

Why Join Keystone Solutions

At Keystone Solutions, we focus on on-site work and the consultant identity, providing you with dynamic projects that present diverse challenges across various client environments. You will experience turbo-charged learning and professional development, with a commitment to career growth within our framework. Being a 'K-Stone' means bringing our core values to every engagement.

Duration

01/10/2026 - 31/12/2026 3 months

• (full time)

Skills required

• AI Databases : pgvector, Vector DB concepts - Level: Expert - Most recent: Any time


• Bases de données : PostgreSQL, SQL - Level: Expert - Most recent: Any time


• Data Engineering : ETL, ELT - Level: Expert - Most recent: Any time


• Haute disponibilité : Replication, Clustering, Fail-over - Level: Expert - Most recent: Any time


• Intégration : REST APIs, OpenAPI - Level: Expert - Most recent: Any time


• Scripting : Pyhton, Bash - Level: Expert - Most recent: Any time

Language requirements

• Dutch
  Level Active knowledge


• English
  Level Active knowledge


• French
  Level Active knowledge