IT Solution Architect – API Domain

Keoni; Paris; Hybrid; EUR 70,000 - 110,000; Full time

Job summary

Keoni is seeking an IT Solutions Architect to organize and monitor project support, define architectural solutions across the lifecycle, and promote the normative framework for IS construction in Paris. The role emphasizes API domain design, event processing, and DDD-based modeling, with experience in MEGA HOPEX and Archimate.

Responsibilities include producing architectural deliverables, coordinating with stakeholders, and ensuring alignment with business objectives and architectural standards.

Qualifications

• Definition & design of APIs, events, and processes.
• DDD Domain-Driven Design approach in projects.
• Modeling and documenting architectures using standard frameworks.

Responsibilities

• Organize and monitor support for projects in defining solution architectures.
• Define and promote the normative framework for IS construction.
• Produce architectural deliverables and documentation (MEGA HOPEX, Archimate, TOGAF).

Skills

API design

Event modeling

DDD (Domain-Driven Design)

Archimate

TOGAF

Architectural governance

Tools

MEGA HOPEX

Archimate

TOGAF

Job description

# IT Solution Architect – API Domain* Home* IT Solution Architect – API Domain* July 27, 2026* 0 Comments* By Roberte OkoyaContext: Within the IT Solutions Architecture team of the IT Strategy, Architecture and Cloud Department,As an IT Solutions Architect: – Organize and monitor the necessary support for projects in defining their solution architecture, in line with the business strategy and processes on the one hand, and the objectives of modularization, rationalization, and alignment of the IS on the other, and in compliance with the architectural framework. – Define, promote, enhance, and monitor the proper operational implementation of the normative framework for building the IS.MISSIONS: – Modeling activities: Functional, application, and technical modeling of solutions defined within the project framework – Project support: Definition of solution architectures (Functional/Application/Technical) throughout the project lifecycle, from the feasibility phase to production deployment – Supporting projects in defining their architectural solution and drafting the pre-project and project architecture documentation (in compliance with business processes and architectural frameworks) – Participating in defining the targets and transformation plans (trajectory) of the IS – Participating in defining the principles, rules, and architectural standards for the IS construction (reference architectural framework, normative framework) – Promoting the architectural framework– Production of architectural deliverables (document, repository update), Modeling in MEGA HOPEX, Archimate, TOGAF – Presentation for validation of the solutions envisaged in the ad hoc bodies, – Issuance of architectural opinions, – Coordination in certain cases of the architectural activity, – Carrying the architectural commitment vis-à-vis the requester.Proven skills and experience expected: definition & design of APIs, Events, Processes and DDD Domain-Driven Design approach.Application: CV + cover letter + copies of diplomas to be sent to [e-mail]