Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems integration, informatics and analytics, solution implementation and program management. Our team helps lead clients through digital and information systems design, bringing expertise in a variety of areas ranging from software development, data science and security management to machine learning, cloud, and mobile development. Arηs Group was acquired by Accenture in July 2024.
Job Description- Designs and develops the system
- Lead development teams
- Translates requirements into design
- Optimizes software from performance, security and quality points of view
- Produces technical documentation
- Estimates effort and time for development
- Sets software development standards
- Propose technical solutions for business needs and technical problems
- Collects and interprets software metrics
- Manages configuration and releases
- Contributes to requirements analysis, testing, quality assurance, change management, deployment
- Tests solutions and develops testing tools
- Documents developments
- Prototypes solutions
- Acts as 2nd and 3rd line support
- Holds a Bachelor's degree
- Demonstrates English language proficiency at minimum B2 level
Required certificates:
- Advanced level certificate in software development relevant to the domain
Knowledge and skills
- Has gone at least 1 time through the complete lifecycle of the solution
- Expert in developing enterprise level software systems in specified technology domain
- Knows UML and can design applications in UML
- Proficient in designing and developing: data layer, business logic layer and UI layer
- Worked in Scrum developments
- Is capable for leading technical teams
- Holds ability to document effectively technical solutions
- Presents problem solving skills
Specific requirements
- Proven development of enterprise applications on SharePoint on-premises (2019 / Subscription Edition) with SPFx, React/TypeScript and PnPjs, including custom Web APIs in .NET/C# on IIS and SQL Server
- Experience in taking over and evolving an existing code base developed by a third party (code review, refactoring, technical-debt management, regression testing) in a Scrum team using Azure DevOps Boards, Repos with pull-request workflow and Pipelines
- Experience integrating line-of-business applications with identity and external systems (EU Login / SAML / Entra ID, REST APIs, notifications, document management) and in performance optimisation of list-based SharePoint solutions
- Ability to work directly with business owners, analysts and testers on backlog refinement, estimation and acceptance; availability for a knowledge-transfer period overlapping the last sprints of the current contractor (November 2026)
Skills Required
- Bachelor's degree
- English language proficiency at minimum B2 level
- Advanced-level software development certificate relevant to the domain
- Completed at least one full solution lifecycle
- Expertise developing enterprise-level software systems
- Knowledge of UML and ability to design applications using UML
- Experience designing and developing data, business logic, and user interface layers
- Experience working in Scrum development teams
- Ability to lead technical teams
- Ability to document technical solutions effectively
- Problem-solving skills
- Proven experience developing enterprise SharePoint on-premises applications using SharePoint 2019 or Subscription Edition, SPFx, React, TypeScript, and PnPjs
- Experience developing custom Web APIs in .NET and C# on IIS with SQL Server
- Experience taking over and evolving third-party codebases, including code review, refactoring, technical-debt management, and regression testing
- Experience using Azure DevOps Boards, Repos, pull-request workflows, and Pipelines
- Experience integrating line-of-business applications with identity and external systems, including EU Login, SAML, Entra ID, REST APIs, notifications, and document management
- Experience optimizing the performance of list-based SharePoint solutions
- Ability to work with business owners, analysts, and testers on backlog refinement, estimation, and acceptance
- Availability for a knowledge-transfer period overlapping the current contractor's final sprints in November 2026
What We Do
Arηs Group is a market leader in the management of complex IT projects and systems. Founded in Luxembourg in 2003, we’ve grown organically to encompass 16 entities worldwide with over 2,500 employees in Luxembourg, Belgium, France, Greece, Italy, Portugal, Bulgaria and Jordan. With our focus on getting things done, we help our clients achieve their goals with best-of-breed solutions, superior execution and exceptional services. We offer bespoke software development, data science, infrastructure, digital trust and mobile development to government institutions at national and European level, telecom providers, and financial institutions, among others. Our bold company culture is built around working hard and playing hard, with a flat and agile structure that lends itself to efficiency and employee empowerment. We value our diverse workplace of close-knit teams and provide a place where everyone can be supported to learn and evolve.
