Arηs Group·Luxembourg, LULuxembourg, Luxembourg·
Senior Enterprise Architect – Financial Services
Define enterprise architecture strategies for large-scale financial services transformation initiatives.
OnsiteOtherFinTech
Arηs Group
Luxembourg, Luxembourg · Founded 2003 · 501-1000 staff
IT ServicesSoftwareAI/ML
Arηs Group (ARHS) is a Luxembourg-based IT services and consulting company that delivers end-to-end digital solutions including bespoke software development, data science, cloud services, infrastructure, mobile development, machine learning, and digital trust services. The company positions itself as a partner for organizations seeking to modernize and scale their IT environments, and has been acquired by Accenture to expand public service digital transformation capabilities across Europe.
Open roles at a glance
31 live roles14 Software Eng · 5 Platform · 4 Architect · 4 QA · 2 Eng Mgmt
Roles based in: Brussels, Genève, Leuven, Luxembourg, The Hague, Valletta
Engineering at Arηs Group
Builds in: B2B SaaS · Infrastructure · Platform · Enterprise · public sector
Works with:JavaSQLAngularAWSPythonAzureHTMLJavaScriptAzure DevOpsMicroservices
Seniority: 4 mid · 11 senior · 4 lead
Hiring engineering roles here since May 2026
31 open Engineering roles
Curated from live Arηs Group postings. Click any role for the full brief.
Arηs Group·Luxembourg, LULuxembourg, Luxembourg·
Senior Java Backend Developer / Technical Lead
Lead technical design and development of business-critical backend systems using Java 17 and Spring Boot.
OnsiteOtherEnterprise
Arηs Group·Warsaw, PLWarsaw, Poland·
Software Security Architect
Design, develop, and maintain enterprise cybersecurity architectures for Arηs Group's public sector IT projects.
OnsiteOtherLeadCybersecurity
Arηs Group·Luxembourg, LULuxembourg, Luxembourg·
Full-stack Developer (Java & Angular)
Design and develop full-stack digital solutions using Java and Angular for public sector clients in Luxembourg.
OnsiteOtherMidpublic sector
Arηs Group·Luxembourg, LULuxembourg, Luxembourg·
Senior AI Platform Engineer (LLMOps & MLOps)
Industrialize the AI ecosystem by developing scalable LLMOps and MLOps platforms for software engineering teams in Luxembourg.
OnsiteOtherSeniorinsurance
Arηs Group·The Hague, NLThe Hague, the Netherlands·
Software Developer (VBA developer with Python skills)
Develop and migrate complex VBA/Access solutions to SQL Server using Python and ETL processes at Arηs Group in Luxembourg.
OnsiteOtherSeniorEnterprise
Arηs Group·Luxembourg, LULuxembourg, Luxembourg·
Penetration Tester / Security Engineer
Perform penetration testing on web, mobile, cloud, and infrastructure for public sector clients.
OnsiteOtherEnterprise
Arηs Group·Luxembourg, LULuxembourg, Luxembourg·
Senior Data & AI Engineer
Lead the design and deployment of advanced AI solutions across NLP, computer vision, and LLMs at Arηs Group in Luxembourg.
OnsiteOtherLeadAINLP
Arηs Group·Leuven, BELeuven, Belgium·
Test Automation Engineer
Beschrijving van het bedrijf AR Ƞ S?
OnsiteOther
Arηs Group·Leuven, BELeuven, Belgium·
QA Engineer
Beschrijving van het bedrijf AR Ƞ S?
OnsiteOther
Arηs Group·Brussels, BEBrussels, Belgium·
Java Fullstack Developer
Develop and maintain complex IT projects for public and private clients using Java Fullstack technologies in Liege, Belgium.
OnsiteOtherIT projects and systems
Arηs Group·Brussels, BEBrussels, Belgium·
Full Stack Developer
Develop middle layer applications for complex public sector IT projects using Java Full Stack technologies at Arηs Group.
OnsiteOtherpublic sector
Arηs Group·Luxembourg, LULuxembourg, Luxembourg·
DevOps Engineer
Job Description ARHS Group, part of Accenture , is looking for an experienced DevOps Engineer to strengthen our team in Luxembourg.
OnsiteOtherSeniorFinTech
Arηs Group·Luxembourg, LULuxembourg, Luxembourg·
Senior Fullstack Developer - Java & Angular
Company Description Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems int
OnsiteOtherSenior
Arηs Group·Luxembourg, LULuxembourg, Luxembourg·
Cloud Engineer AWS or Azure
Company Description Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems int
OnsiteOtherMidPlatformInfrastructure
Arηs Group·Luxembourg, LULuxembourg, Luxembourg·
AWS Cloud Engineer
Operate and improve large-scale public cloud environments primarily on AWS for Arηs Group in Luxembourg.
OnsiteOtherCloud
Arηs Group·Brussels, BEBrussels, Belgium·
Full Stack Developer - Team Lead
Company Description Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems int
OnsiteOtherLeadB2B SaaSPlatform
Arηs Group·Valletta, MTValletta, Malta·
Intermediate Application Developer (.NET / SharePoint / Azure)
Company Description Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems int
OnsiteOtherMidB2B SaaSPlatform
Arηs Group·Valletta, MTValletta, Malta·
Senior Application Developer
Develop and maintain enterprise applications using .NET 6/C# and React within a complex public sector IT environment.
OnsiteOtherSeniorPublic Sector IT
Arηs Group·Warsaw, PLWarsaw, Poland·
Enterprise Architect
Company Description Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems int
OnsiteOtherpublic sectorsystems integration
Arηs Group·Genève, CHGenève, Switzerland·
Fullstack Developer
Company Description Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems int
OnsiteOtherSeniorB2B SaaS
Arηs Group·Valletta, MTValletta, Malta·
Senior Application Developer
Develop and architect complex public sector IT solutions for Arηs Group, leveraging .NET, Azure, and SharePoint.
OnsiteOtherSeniorB2B SaaSEnterprise
Arηs Group·Valletta, MTValletta, Malta·
Intermediate Application Developer (.NET / SharePoint / Azure)
Build enterprise applications for public sector clients using .NET, SharePoint, and Azure.
OnsiteOtherSeniorB2B SaaSPlatform
Arηs Group·Brussels, BEBrussels, Belgium·
Full Stack Developer - Team Lead
Lead full-stack development of complex public sector IT solutions for Arηs Group, part of Accenture.
OnsiteOtherLeadB2B SaaS
Arηs Group·Luxembourg, LULuxembourg, Luxembourg·
Cloud Engineer AWS or Azure
Build secure, scalable cloud solutions on AWS or Azure for public sector IT projects.
OnsiteOtherMidInfrastructure
Arηs Group·Luxembourg, LULuxembourg, Luxembourg·
Senior Fullstack Developer - Java & Angular
Develop and optimize complex Java and Angular systems for public sector IT projects in Luxembourg.
OnsiteOtherSenior
Arηs Group·Luxembourg, LULuxembourg, Luxembourg·
Java Fullstack Developer
Develop and optimize Java fullstack systems using Angular/React, Spring, and RESTful services for public sector IT projects.
OnsiteOther
Arηs Group·Brussels, BEBrussels, Belgium·
Full Stack Developer
Develop middle layer applications for public sector IT projects at Arηs Group, part of Accenture.
OnsiteOtherSeniorB2B SaaS
Arηs Group·Brussels, BEBrussels, Belgium·
Java Fullstack Developer
Build full-stack Java applications for European public and private clients.
OnsiteOtherSeniorB2B SaaS
Arηs Group·Leuven, BELeuven, Belgium·
QA Engineer
Build quality assurance for complex IT projects at Arηs Group, a leading independent IT consultancy.
OnsiteOther
Arηs Group·Leuven, BELeuven, Belgium·
Test Automation Engineer
Automate test cases for complex IT projects at Arηs Group, a leading independent IT consultancy.
OnsiteOther
Archived roles (4)
No longer open on Arηs Group's site. Kept for reference — saved archived roles stay in your dashboard.
Arηs Group·Warsaw, PLWarsaw, Poland·
Enterprise Architect
Design and govern enterprise architecture frameworks for large organizations, aligning IT with business strategy.
ArchivedOnsiteOtherB2B SaaSEnterprise
Arηs Group·Warsaw, PLWarsaw, Poland·
Cloud Engineer / Cloud Administrator
Build and manage enterprise cloud environments for public sector IT projects at Arηs Group, part of Accenture.
ArchivedOnsiteOtherSeniorInfrastructurePlatform
Arηs Group·Warsaw, PLWarsaw, Poland·
Software Developer (SharePoint)
Develop enterprise software for public sector clients at Arηs Group, part of Accenture.
ArchivedOnsiteOtherSeniorB2B SaaSEnterprise
Arηs Group·Luxembourg, LULuxembourg, Luxembourg·
DevOps Engineer
Operate and automate ARHS Group's production environments in Luxembourg, managing deployments and IT risk.
ArchivedOnsiteOtherSeniorFinTech