.Net Developer with Node.js and React Native

Atos is the Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures, while meeting regulatory requirements.

With more than 54,000 employees serving over 4,500 clients across 54 countries, Atos helps modernize core IT systems, accelerate cloud and data transformation, strengthen cybersecurity, and deliver secure digital workplace environments to support its clients, its employees and society. Atos also provides consulting and advisory services through its Atos Amplify brand.

A trusted partner in operating complex and mission-critical environments, Atos supports organizations across highly regulated and sovereign contexts.

About Atos Group

Atos Group is a global leader in digital transformation with c. 56,000 employees and annual revenue of c. €7.2 billion (at the go-forward perimeter), operating in 54 countries under two brands - Atos for services and Eviden for products and systems. European number one in cybersecurity and a leader in cloud, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is listed on Euronext Paris.

We are seeking a highly skilled Senior Full Stack Developer with a minimum of 7 years of professional experience in software development. The ideal candidate will have strong expertise in .NET, Node.js, and modern web technologies, along with hands-on experience in React Native for mobile application development.

This role requires a professional who can independently manage the full application lifecycle, from development and maintenance to infrastructure management and production support. The candidate should be comfortable working in cloud environments and capable of troubleshooting complex technical issues across the entire technology stack.

Key Responsibilities

• Design, develop, maintain, and enhance web and mobile applications.
• Build scalable backend services using .NET and Node.js.
• Develop and maintain frontend applications and mobile solutions using React Native.
• Ensure application performance, security, reliability, and scalability.
• Manage, maintain, and optimize cloud infrastructure and deployment pipelines.
• Implement and maintain Infrastructure as Code (IaC) solutions using Terraform.
• Support and troubleshoot production environments, applications, and underlying infrastructure.
• Investigate, debug, and resolve complex technical issues across application and infrastructure layers.
• Collaborate with product, business, and technical stakeholders to deliver high-quality solutions.
• Contribute to architecture decisions, code reviews, and best practices.
• Maintain technical documentation and operational procedures.

Required Technical Skills

• Minimum 7 years of experience in full stack software development.
• Strong expertise in:
• .NET (C# / ASP.NET Core)
• Node.js
• REST APIs and microservices architecture
• Frontend development frameworks
• Mandatory experience with React Native for mobile application development.
• Strong knowledge of Terraform and Infrastructure as Code practices.
• Hands-on experience with:
• Microsoft Azure
• Google Cloud Platform (GCP)
• Experience with CI/CD pipelines and DevOps practices.
• Solid understanding of cloud-native architectures and application deployment.
• Experience with databases (SQL and NoSQL).
• Familiarity with containerization technologies (Docker, Kubernetes is a plus).

Soft Skills

• Excellent communication skills, both written and verbal.
• Strong problem-solving and troubleshooting abilities.
• Proven debugging and root-cause analysis expertise.
• Ability to work independently and take ownership of deliverables.
• Proactive, self-driven, and results-oriented mindset.
• Strong organizational and prioritization skills.
• Ability to interact effectively with both technical and non-technical stakeholders.
• Team player with a collaborative attitude.

Preferred Qualifications

• Experience in maintaining both applications and cloud infrastructure in production environments.
• Exposure to Agile/Scrum methodologies.
• Relevant cloud certifications (Azure, Google Cloud) are considered a plus.
• Experience in high-availability and mission-critical systems.

Languages

• Fluent English is mandatory.

Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.

Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment.

Choose your future. Choose Atos.