Application Integration Engineer

Ref 2581615 | Date: 28 Sept 2026

Société électrique intercommunale de la Côte SA

SEIC is a distributor of electrical energy and heat in six communes in the region and its 75 employees are also active in the field of energy efficiency, electrical installations, telematics, home automation and security solutions, and multimedia services via its participation in SA.

We are looking to strengthen our Commercial department

Application Integration Engineer (M/F/X)

Your mission

We are looking for a person capable of designing, implementing, and evolving the exchanges between our applications. You will work within a heterogeneous architecture composed of business solutions, databases, and internal or cloud services, with the objective of making flows reliable, traceable, secure, and easy to exploit.

Your responsibilities

• Analyze needs, map existing flows, and identify dependencies between applications
• Design the target integration architecture and define the standards, patterns, and exchange contracts applicable to new interfaces
• Design, configure, and evolve inter-application flows using middleware, ESB, EAI or iPaaS solutions and ETL or ELT processing
• Implement and maintain REST or SOAP APIs, webhooks, message exchanges, and structured file transfers such as JSON, XML or CSV
• Define mapping, transformation, and validation rules, as well as error, rejection, and recovery management
• Implement the necessary supervision, monitoring, and alerts to guarantee the availability, performance, and traceability of flows
• Design, implement, and maintain a qualification environment distinct from production, with the datasets, interfaces, and tools necessary for testing
• Prepare and execute integration and non-regression tests in this environment, formalize validation criteria, and then coordinate deployments, migrations, and stabilization phases
• Analyze complex incidents from application logs and technical data, identify their causes, and coordinate their resolution
• Maintain the application mapping, the interface catalog, technical specifications, and operation and recovery procedures
• Collaborate with business teams, IT, publishers, and integrators, and contribute to the choice and evolution of integration solutions

Your profile

• Higher education HES, EPF or ES in computer science, software engineering, information systems, automation, or training deemed equivalent
• Practical experience in application integration and the implementation of flows within an environment composed of multiple systems
• Good knowledge of integration architectures and middleware, iPaaS, ETL or ELT solutions.
• Mastery of REST or SOAP APIs, JSON, XML and CSV formats, as well as exchange mechanisms via files, messages or events
• Good mastery of SQL and relational databases; knowledge of several database engines is an asset
• Good understanding of exchange security issues, authentication, certificate management, and data protection
• Ability to analyze a flow end-to-end, to formalize a solution and to produce clear and exploitable technical documentation
• Very good mastery of French, both oral and written, and ability to work with technical documentation in English; German is an asset
• Analytical spirit, rigor, autonomy, sense of priorities and ability to collaborate with business and technical interlocutors

We offer

• A full-time, varied position within a century-old, dynamic, and human-sized company
• Start date: immediately or to be agreed
• The possibility to contribute directly to the modernization of our application architecture and our digital processes.
• Flexible hours and, depending on the modalities applicable to the position, the possibility to telework
• Five weeks of vacation and advantageous social benefits
• A compensation system including a variable part linked to objectives
• Access to continuous training in order to maintain and develop your skills
• Premises located in Gland, near a CFF station, with free parking spaces

Interested in this professional opportunity?

We look forward to receiving your complete application file: cover letter, Curriculum vitae, copy of your diplomas and your work certificates.

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