Senior Software Engineer

About this role

About DATAmundi

DATAmundi builds advanced software solutions that power our data service

We are seeking a Senior Software Engineer who can design, build, test, deploy, and maintain reliable software using Claude Code or similar AI coding agents as part of their daily engineering workflow.

The role is open to both experienced engineers and promising junior candidates who demonstrate strong technical foundations, initiative, and the ability to learn quickly.

Senior Software Engineer – Responsibilities & Requirements
Key Responsibilities
Software Development

• Design, develop, and maintain scalable web applications using Python, FastAPI, React, JavaScript/TypeScript, and Node.js.
• Build and maintain REST or GraphQL APIs, including authentication, authorization, validation, and error handling.
• Work with SQL and NoSQL databases, including data modelling, migrations, and query optimization.
• Use AI coding agents such as Claude Code to accelerate development while maintaining code quality, security, and maintainability.
• Work with message queues such as RabbitMQ for asynchronous processing and background jobs.
• Investigate and resolve bugs, production issues, and performance bottlenecks.
• Create clear technical documentation and contribute to architectural decisions.

Testing & Quality

• Write and maintain unit, integration, API, and end-to-end tests.
• Apply automated testing throughout the development lifecycle.
• Participate in code reviews and maintain high engineering standards.
• Validate AI-generated code through testing, code review, security, and performance checks.

Delivery & Operations

• Work with Git/GitHub, pull requests, code reviews, and CI/CD workflows.
• Contribute to deployment and maintenance of applications in cloud environments such as AWS, Azure, GCP, or DigitalOcean.
• Work with Docker, application configuration, secrets, and basic infrastructure concepts.
• Use monitoring and production-support tools such as Grafana, Sentry, and l...