Junior Software Engineer

Cosmo Tech is a global software vendor of Prescriptive Simulation Twins solutions for industrial companies to simulate and optimize operational efficiency.

We provide a single platform that combines deep-system modeling and simulation with a scalable and open framework. We empower any organization to visualize each layer of their operations, their interdependencies, and project them into a short or long-term future in order to prescribe the best operational or strategic optimization. Leading companies from the manufacturing, automotive, energy, and transport sectors rely on Cosmo Tech solutions to unlock hidden value while justifying their decisions with facts.

Click here to learn more about Prescriptive Simulation Twins: Pre-packaged Simulation Twin solutions for industrial companies

Overview

We are seeking a talented junior Software Engineer to join our Customer Delivery team as a Solution Integrator.

In this role, reporting to the Customer Delivery Manager, you will contribute to the successful integration and deployment of our software solutions for clients. You will play a crucial role in ensuring our products are implemented, configured and tailored to meet specific business requirements. By working at the intersection of technology and client needs, you help turn complex challenges into reliable, high-value solutions.

You will be responsible for supporting the integration of our platforms into client environments, collaborating closely with internal technical teams and both internal and external stakeholders. Your work will include solution customization, testing and ongoing improvement initiatives to ensure performance, scalability, and client satisfaction.

Your main responsibilities

• You participate in the integration and deployment of our software solutions within client environments.
• You configure, customize and adapt solutions to meet specific client business requirements.
• You collaborate closely with internal teams, including Product and R&D, to ensure successful project delivery.
• You contribute to technical implementation activities, such as development, testing and validation.
• You support the setup of data flows, system interfaces and integration with client IT systems.
• You ensure solution quality through testing, troubleshooting and performance optimization.
• You contribute to the continuous improvement of delivery processes, tools and best practices.
• You provide technical support during project phases and assist in resolving issues as needed.
• You participate in client meetings to understand requirements and provide technical input.
• You document configurations, technical specifications, and implementation processes.

Qualifications

We welcome applications from graduates or soon-to-be graduates of Engineering Schools or Master’s programs in Computer Science or related fields. You bring:

• A solid foundation in Python, C , Java and JavaScript, with experience in modern frameworks and technologies related to these languages.
• Familiarity with software development best practices, including testing, code quality standards, version control (Git) and collaborative code hosting platforms.
• Exposure to CI/CD pipelines and modern development workflows (a plus).
• A good understanding of SQL and relational databases.
• Experience with cloud platforms such as Azure, AWS, or Google Cloud Platform (GCP) (optional but advantageous).

Beyond your technical skills, you are:

• Eager to learn and grow, continuously expanding your expertise.
• Passionate about software development, proactive and solution-oriented.
• Collaborative and communicative, able to work effectively with internal teams and external stakeholders to understand needs and deliver high-quality solutions.

Location

Lyon (69007) France

Availability

Immediate

Joining Cosmo Tech means becoming part of a team passionate about innovation and cutting-edge technologies, where you will have the opportunity to work on real projects that make a tangible impact for our industrial clients. If you are curious, motivated and eager to help shape the future of digital twins and industrial simulation, this role is for you!

Interested in applying? Please send your application to john.folly@cosmotech.com