Power Platform Developer (Power BI)

Company Description

Arηs is a fully independent group of companies specialized in managing complex IT projects and systems for large organisations, focusing on state-of-the-art software development, business intelligence and infrastructure services.

We are composed of 13 entities across 8 countries that are unified by the Arηs Group, with more than 1750 consultants.

This corporate structure enables us to respond quickly to market changes and customer requests, and to communicate and make decisions without layers of bureaucracy.

Our success can be attributed to the synergy among our nine complementary entities, combined with our methodologies, which are based on the Rational Unified Process (RUP) and the Scrum agile software development framework.

Established in 2016, the Greek entity Arηs Developments Hellas aims to extend Arηs Group activities dedicated to the European market providing high-quality services in Software Development, covering the entire application development lifecycle: starting with user requirements, business process redesign and specifications, to continue with development, testing and application maintenance.

Job Description

The Power Platform Developer will support the continued development and maintenance of a portfolio management portal suite composed of three core layers: data management, acquisition/transformation, and visualisation. The ideal candidate will be a highly experienced, resourceful developer with deep expertise in Power BI, PowerApps, SharePoint Lists, and Microsoft 365 tools. The role requires effective collaboration, technical documentation, performance optimisation, and an agile development approach. 

Development & Technical Tasks:

• Develop, maintain, and enhance:

  • Microsoft Power BI dashboards and reports.

  • Microsoft PowerApps applications.

  • Microsoft SharePoint Lists for data storage and UI components.

• Model and create/modify pipelines and views in xMart according to the data schema and design guidelines.

• Apply modern UI/UX design principles in dashboards and apps.

• Ensure compliance with client's development standards and design templates.

• Enable CRUD operations within PowerApps on SharePoint-stored data with access controls.

• Develop data transformation logic in Power BI and Power Automate, sourcing from SharePoint, Active Directory, and other sources.

Collaboration & Communication:

• Engage with client's teams, external consultants, and stakeholders to clarify technical needs.

• Communicate pros and cons of technical choices promptly to avoid unnecessary delays or rework.

• Support business users and collaborate with IT teams throughout the development lifecycle.

Testing & Documentation:

• Perform functional and performance testing of the portfolio portals suite.

• Create and update comprehensive technical documentation for all development activities.

• Support content and functionality releases in 2 to 4-week Agile sprints using a Kanban methodology.

Improvement & Maintenance:

• Propose and implement system improvements, including:

  • New tabs, subsections, charts, menus, and navigation updates.

  • Enhanced search capabilities using tags and other tools.

  • UI/UX enhancements for a better user experience.

Qualifications

• Bachelor's Degree plus minimum 5 years of professional experience in developing solutions using Microsoft Power Platform and related technologies.

• Proven ability to work independently and manage workload in a collaborative virtual environment.

• Strong experience with:

  • Power BI

  • PowerApps

  • SharePoint Lists

  • HTML and modern web design principles

  • xMart (data modeling and pipeline creation)

  • Microsoft Office Suite (Word, Excel, PowerPoint, Outlook)

  • Microsoft Teams and SharePoint

• Hands-on knowledge of Azure and Microsoft 365 tools and navigation.

• Ability to follow and implement Agile project management practices.

• Fluency in English (spoken and written) – essential.

• Basic knowledge of French – desirable but not mandatory.

• Clear communicator with strong interpersonal skills.

• Proactive, resourceful, and adaptable to changing priorities.

• Strong problem-solving skills and ability to work with minimal supervision.

• Keen to stay updated with new industry tools and technologies.