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Location
Hybrid (Warsaw, Poland)
Seniority
Senior · 6+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 7, 2026. First seen by Alion on Nov 5, 2026. Arhs Group scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Arhs Group is a Luxembourg information technology company founded in 2003. It builds custom software, data platforms and digital systems largely for European Union institutions and public administrations. The group employs thousands of specialists and was acquired by Accenture.

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.

  • Design and develop enterprise-level software systems.
  • Lead technical and development teams.
  • Translate business and technical requirements into application designs.
  • Design and develop data, business logic, and user interface layers.
  • Design and develop microfrontend and microservices-based solutions.
  • Optimize solutions for performance, security, quality, and maintainability.
  • Define software development standards and propose technical solutions.
  • Estimate development effort and delivery timelines.
  • Produce clear technical documentation.
  • Collect and interpret software development metrics.
  • Manage software configuration and releases.
  • Contribute to requirements analysis, testing, quality assurance, change management, and deployment.
  • Develop automated tests, unit tests, testing tools, and prototypes.
  • Provide second and third-line technical support.
  • Minimum 6 years of IT-related professional experience, including at least 3 years of relevant project experience or experience as a Senior Full-Stack Developer, Lead Developer, or similar, with involvement in at least one complete solution lifecycle.
  • Level 6 education or higher and minimum B2 English proficiency; an ICT-related degree is not mandatory.
  • Strong experience developing enterprise-level software, including data, business logic and UI layers, microfrontends and/or microservices, UML, and object-oriented and functional design patterns.
  • Strong frontend development experience with Angular, RxJS, NgRx, TypeScript and CSS/SCSS, combined with backend development using Node.js, NestJS or alternative JavaScript frameworks, .NET and C#.
  • Experience with relational and non-relational databases, including technologies such as Microsoft SQL Server, as well as knowledge of GraphQL.
  • Experience with automated and unit testing, CI/CD tools such as Azure DevOps, and container-based development environments such as OpenShift.
  • Experience working in Scrum environments, combined with the ability to lead technical teams, solve technical problems, and produce effective technical documentation.
  • At least one advanced-level certification in a software development technology domain
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