Senior Platform Engineer (Backend Lead)
DXC Technology10 hours ago
Ariana, Tunisia or Tunis, TunisiaStaff+
Responsibilities
- Design, develop, and maintain high-performance asynchronous Python APIs using FastAPI, Pydantic, and SQLAlchemy 2.0.
- Lead PostgreSQL database design, including schema modeling, migrations, indexing, partitioning, query optimization, and performance tuning.
- Implement secure authentication and authorization frameworks using RBAC, OAuth2/OIDC, JWT validation, enterprise identity providers, and API gateway policies.
- Define and govern API contracts, versioning strategies, standards, and integration practices across distributed systems.
- Build, deploy, and maintain AI agents using reusable templates and blueprint-based development frameworks.
- Configure agent-to-tool integrations through MCP protocols, manage LLM routing strategies, and support AI-driven solution delivery.
- Collaborate with cross-functional teams to deliver secure, scalable backend and AI-powered solutions.
Requirements
- Bachelor's degree in Computer Science, Information Technology, Engineering, or an equivalent combination of education and experience.
- Typically 5+ years of professional experience developing backend applications with Python and modern web frameworks.
- Strong expertise in asynchronous Python development, FastAPI or equivalent frameworks, and modern API design.
- Proven PostgreSQL experience, including schema design, indexing, partitioning, migrations, and performance tuning.
- Hands-on experience with OAuth2, OpenID Connect, JWT authentication, and enterprise identity providers such as Microsoft Entra ID.
- Experience with API gateway platforms such as Kong, Apigee, or similar technologies.
- Familiarity with Docker, Kubernetes fundamentals, and CI/CD pipeline implementation.
- Working knowledge of LLM APIs, prompt engineering, and agent orchestration concepts.
- Experience with AI agent frameworks, workflow automation, and MCP-based integrations is preferred.
- Knowledge of cloud-native architectures and modern distributed systems is preferred.
- Relevant certifications in cloud technologies, DevOps, cybersecurity, or AI/ML are a plus.
- Strong analytical, problem-solving, communication, learning, and innovation skills.
Benefits
- The work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances.
- DXC Technology states its commitment to an inclusive environment where everyone can thrive.
Tech Stack
Categories
About DXC Technology
DXC Technology is a public IT services and consulting company that runs and modernizes mission-critical systems for large enterprises and governments. It provides managed services, cloud migration and operations, cybersecurity, application development, and industry BPS, monetizing through long-term outsourcing and consulting engagements. Formed in 2017 from the merger of CSC and HPE Enterprise Services, DXC is headquartered in Ashburn, Virginia and trades on the NYSE as DXC.