Expert Developer – Application Modernization & Generative AI

Position Description :

The Expert Developer Application Modernization & Generative AI is responsible for designing developing and integrating generative AI solutions and agentic architectures into enterprise systems. This role plays a key part in modernizing existing applications by enriching them with intelligent capabilities (LLMs RAG AI agents copilots) to enhance efficiency automation and user experience.

The expert serves as a technical reference contributes to solution engineering and ensures rigorous execution aligned with IT standards.

Key Responsibilities

1. Application Development & Modernization

Design and develop generative AI-powered features within existing applications (intelligent assistants content processing automated resolution etc.).

Refactor and modernize components to enable seamless integration of LLMs and AI agents.

Implement APIs microservices and AI integration modules within existing IT architectures.

Collaborate with architects to translate technical requirements into scalable industrializable solutions.

2. Generative & Agentic AI Integration

Build solutions leveraging models such as OpenAI Azure OpenAI Anthropic or open-source LLMs.

Design and implement agentic systems orchestrating multiple tools actions or reasoning steps.

Develop RAG pipelines (indexing vectorization retrieval) and advanced contextualization mechanisms.

Implement guardrails robust prompting security policies and quality control mechanisms.

3. Engineering Quality & Performance

Produce maintainable tested high-performance code aligned with industry standards.

Conduct technical code reviews propose improvements and solve complex engineering challenges.

Diagnose optimize and monitor the performance of AI solutions in production.

Contribute to DevOps / MLOps / GenAIOps practices : CI / CD containerization observability continuous model evaluation.

4. Collaboration & Technical Leadership

Work closely with architects analysts and business teams to understand use cases.

Contribute to technical workshops demos and proofs of concept.

Provide advanced technical support to development teams integrating AI.

Document solutions patterns and recommended practices.

5. Innovation & Technology Watch

Stay up to date with advancements in generative AI agentic architectures RAG and orchestration frameworks.

Experiment with new models tools and techniques to assess enterprise applicability.

Identify optimization and innovation opportunities within the application ecosystem.

Technical Skills

Generative AI & Agents

Strong knowledge of LLMs and frameworks (OpenAI Azure OpenAI HuggingFace Llama etc.).

Experience with agentic frameworks : LangChain OpenAI Agents Semantic Kernel AutoGen CrewAI.

Expertise in RAG pipelines embeddings vector stores hybrid search.

Prompt engineering hallucination mitigation guardrails.

Development & Application Integration

Excellent knowledge of Python (mandatory) and ideally another language (C# Java TypeScript).

Mastery of REST / GraphQL APIs microservices cloud integration.

Experience with application modernization (refactor decoupling APIfication).

Good understanding of cloud architectures (Azure AWS or GCP).

DevOps / MLOps / GenAIOps

Containerization (Docker) orchestration (Kubernetes).

CI / CD pipelines.

Familiarity with MLOps tools (MLflow Vertex AI Azure ML) a plus.

Observability model evaluation and monitoring.

Soft Skills

Strong autonomy initiative and ability to solve complex problems.

Technological curiosity and willingness to stay ahead of trends.

Ability to explain AI concepts to developers and stakeholders.

Rigor attention to detail and quality-driven mindset.

Collaborative spirit and clear communication.

Profile

510 years of experience in software development.

Experience with generative AI LLMs or intelligent systems (or proven project-based experience).

Practical experience integrating AI into existing applications or services.

Contributions to PoCs pilots or AI production projects.

CGI is providing a reasonable estimate of the pay range for this role. The determination of this range includes factors such as skill set level geographic market experience and training and licenses and certifications. Compensation decisions depend on the facts and circumstances of each case. A reasonable estimate of the current range is $90.000$175000 This role is an / a future opportunity.

#LI-NO1

What you can expect from us :

Together as owners lets turn meaningful insights into action.

Life at CGI is rooted in ownership teamwork respect and belonging. Here youll reach your full potential because

You are invited to be an owner from day 1 as we work together to bring our Dream to life. Thats why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our companys strategy and direction.

Your work creates value. Youll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas embrace new opportunities and benefit from expansive industry and technology expertise.

Youll shape your career by joining a company built to grow and last. Youll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

At CGI we value the strength that diversity brings and are committed to fostering a workplace where everyone belongs. We collaborate with our clients to build more inclusive communities and empower all CGI partners to thrive. As an equal-opportunity employer being able to perform your best during the recruitment process is important to us. If you require an accommodation please inform your recruiter.

To learn more about accessibility at CGI contact us via email. Please note that this email is strictly for accessibility requests and cannot be used for application status inquiries.

Come join our teamone of the largest IT and business consulting services firms in the world.

Required Experience :

IC

Key Skills

APIs,MVC,SQL,Spring,.NET,ASP.NET,Microsoft SQL Server,C#,Angular,Application Development,JavaScript,Java

Employment Type : Full-Time

Experience : years

Vacancy : 1

Monthly Salary Salary : 90 - 175000