Senior Python / Agentic AI Engineer

Capco
Brussels, Belgium
20 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
Dutch, English, French
Experience level
Senior

Job location

Brussels, Belgium

Tech stack

API
Artificial Intelligence
Software Applications
Continuous Integration
Software Design Patterns
Information Retrieval
Python
Object-Oriented Software Development
Software Engineering
Systems Architecture
Management of Software Versions
Web Application Frameworks
Data Logging
Enterprise Software Applications
React
Large Language Models
Indexer
Backend
FastAPI
Angular
Virtual Agents

Job description

  • Design and implement scalable, production-grade Python services that leverage LLMs and Agentic architectures.
  • Design and implement robust agent workflows and orchestration patterns to automate complex business processes in regulated enterprise environments.
  • Build and maintain reliable AI-enabled backend systems, including orchestration layers, tool integrations, knowledge access mechanisms, and observability.
  • Design modern knowledge access architectures for LLM systems, including retrieval strategies, semantic indexing, and structured interfaces to enterprise data sources.
  • Apply strong software engineering practices (testing, CI/CD, monitoring, structured logging, versioning of prompts and models) to ensure reliability and maintainability of AI systems.
  • Collaborate with cross-functional teams to integrate AI capabilities into enterprise applications and workflows.
  • Work closely with stakeholders to translate business requirements into secure, compliant, and scalable AI-driven solutions.
  • Contribute to system architecture decisions including agent orchestration, reasoning workflows, knowledge access strategies, and model integration patterns.
  • Optionally contribute to user interfaces using Angular or React to support AI-powered applications.
  • Ensure systems meet enterprise standards for security, reliability, and compliance.

Requirements

  • Fluent in English and fluent in Dutch or French.
  • 5+ years of professional experience building enterprise-grade Python applications, with strong software engineering fundamentals.
  • Proven experience designing and deploying Agentic or LLM-powered systems in production, ideally within enterprise or regulated environments.
  • Strong expertise applying large language models to complex automation, information retrieval, and decision-support problems.
  • Experience designing agentic architectures, including orchestration, tool usage, planning workflows, and system-level reasoning patterns.
  • Experience building LLM systems that combine reasoning, tool access, and dynamic information retrieval, beyond simple prompt pipelines.
  • Deep proficiency in Python, including modern frameworks, OOP, design patterns and best practices.
  • Experience developing production APIs and backend services that integrate with enterprise systems and data sources.
  • Demonstrated experience building reliable AI systems beyond prototypes, with attention to testing, monitoring, evaluation, and operational stability.

Benefits & conditions

  • Competitive Compensation: Includes a company car or green mobility budget, allowances, end-of-year bonuses, health insurance, mobile phone, laptop, and meal vouchers.
  • Learning Opportunities: Gain access to advanced learning platforms, in-person and virtual courses, and our network of global experts to support your continuous development.
  • Flexible Working Environment: Enjoy a hybrid setting, combining the benefits of remote flexibility with in-office collaboration.
  • Work-Life Balance: Work in a supportive environment designed to encourage balance and wellness both personally and professionally.
  • Innovative Culture: Operate in a non-hierarchical workspace where great ideas and initiative are celebrated, giving you a platform to showcase your expertise.

About the company

Capco is a global leader in consulting, uniquely positioned to drive innovation and transformation in the financial services industry. More than consultants, we are strategic partners and problem solvers for some of the largest organizations in Banking, Insurance, Investment Management, Data/Digital Transformation, Regulatory Compliance, and ICT Risk. Our business and technology professionals thrive in a dynamic environment where creativity, collaboration, and cutting-edge solutions are at the heart of everything we do. Experience the Capco difference and explore how you can shape your future with us at capco.com.

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