Power BI Developer
About the job
- Minimum 4 years of relevant IT professional experience, including at least 2 years of relevant project experience or experience in a similar position.
- Minimum education level of Level 6 (Bachelor's degree or equivalent); an ICT-relevant degree is not mandatory.
- At least one intermediate-level certification in software development relevant to the domain.
- Minimum English language proficiency at CEFR B2 level.
- At least 2 years of experience in a full-stack Power BI support or developer role, including custom solution development, dashboards, data models, and paginated reports.
- Expertise in developing enterprise-level software systems and designing data, business logic, and user interface layers.
- Strong Microsoft SQL Server application development skills, including T-SQL, database views, Web Services, REST APIs, and HTTP APIs.
- Strong knowledge of DAX and Power Query (M language), including data optimization, advanced data analytics, Row-Level Security (RLS), and Object-Level Security (OLS).
- Strong Power BI performance tuning skills through Microsoft SQL Server source optimization, efficient T-SQL, database views, and Query Folding.
- Experience with UML application design, requirements elicitation, solution specification, technical documentation, testing, quality assurance, deployment, configuration, and release management.
- Experience working in Scrum development environments and across the complete solution lifecycle.
- Ability to lead technical teams, resolve problems and conflicts, work effectively within a team, and deliver results.
- Strong communication and presentation skills, with the ability to explain technical solutions effectively to business stakeholders and other audiences.
- Design and develop enterprise-level Power BI solutions, including dashboards, data models, custom solutions, and paginated reports.
- Develop and optimize Microsoft SQL Server applications using T-SQL, database views, and efficient data access techniques.
- Design and develop data, business logic, and user interface layers.
- Develop data models and analytics solutions using DAX and Power Query (M language).
- Implement and maintain Row-Level Security (RLS) and Object-Level Security (OLS).
- Optimize Power BI performance through SQL source optimization, efficient T-SQL, database views, and Query Folding.
- Develop and integrate solutions using Web Services, REST APIs, and HTTP APIs.
- Elicit and analyse requirements and translate them into technical designs and solution specifications.
- Design applications using UML and prototype technical solutions.
- Lead technical teams and contribute to Scrum-based development throughout the complete solution lifecycle.
- Optimize software for performance, security, and quality, and establish software development standards.
- Produce technical documentation and estimate development effort and timelines.
- Contribute to testing, quality assurance, change management, configuration, releases, and deployment.
- Provide second- and third-line technical support and troubleshoot complex application issues.
- Present technical solutions and recommendations to business and technical stakeholders.
About the company
What Arηs does: Arηs provides software development and business intelligence services. How its product works: In software development, it handles the full application lifecycle—from gathering requirements and business process redesign to development, testing and maintenance, with a focus on Java/J2EE. It also offers outsourced application maintenance under demanding SLAs. In BI, it designs and builds data warehouses, performs ETL, creates datamarts and reports, dashboards, and applies data governance and metadata management to enable reliable operational, tactical and strategic decisions. How it differs from competitors: It combines end-to-end software development services with market-leading BI delivery, offering both development and BI under one group, along with strong SLA-based maintenance and governance capabilities. What it aims for: To help enterprises turn large amounts of data into meaningful, reliable information to support informed decisions and to lead in BI solutions.
Company Size
51-200
Company Stage
N/A
Total Funding
N/A
Headquarters
Sanem, Luxembourg
Founded
2003
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Simplify's Take
What believers are saying
- ARHS posted 25 live openings in September 2026, signaling active delivery demand.
- September 2026 roles in DevOps, SAP BO, and Java imply multiple expanding client programs.
- Accenture's European scale gives ARHS stronger cross-selling, recruiting, and enterprise-account access now.
What critics are saying
- Accenture ownership can absorb ARHS brand and leadership by 2027, reducing employer distinctiveness.
- Moovijob shows mostly onsite Luxembourg roles, limiting remote flexibility and widening talent competition.
- Heavy EU-public-sector concentration exposes ARHS to procurement delays or budget shifts from 2026 contracts.
What makes ARHS unique
- Accenture completed ARHS acquisition on July 8, 2024, embedding public-sector delivery into a giant.
- ARHS still markets deep EU-institution expertise across Luxembourg, Belgium, Greece, and Accenture channels.
- September 2026 hiring spans Java, BI, cloud, and security, showing broad technical breadth.
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Benefits
- Remote Work Options