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ARHS Group

Front End Engineer (React/Angular)

Reposted 20 Days Ago
Be an Early Applicant
In-Office or Remote
Hiring Remotely in Warsaw, Warszawa, Masovian
Senior level
In-Office or Remote
Hiring Remotely in Warsaw, Warszawa, Masovian
Senior level
Design and implement micro frontend solutions, optimize applications, create documentation, and collaborate with teams to ensure consistent delivery.
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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 6 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

  • Designing and implementing solutions based on micro frontend architecture.
  • Decomposition from Monolith Applications to Micro-Services (Frontend)
  • Working with backend and frontend teams to deliver consistent solutions.
  • Optimizing applications for performance and scalability.
  • Creating technical documentation and conducting code reviews.
  • To support architects and developers in business requirement and frontend (UI) analysis.

Qualifications

Mandatory Requirements:

  • Minimum of 8 years combined post-secondary education and relevant work experience
  • Level 4 degree in Software Engineering or a related field
  • At least 5 years of experience building complex SPAs for large organizations
  • Deep knowledge of Web Component-based applications (HTML5, native APIs)
  • Practical experience with micro frontend architecture and SPA patterns
  • Strong proficiency in JavaScript and frameworks such as React or Angular
  • B2 level or higher command of English (CEFR standard)
  • Ability to write specifications, concept documents, and technical/user documentation
  • Well-developed interpersonal skills
  • Strong collaboration and knowledge-sharing abilities within a team
  • Experience working in Agile teams, particularly Scrum
  • Demonstrated ability to design and implement micro frontend architectures
  • Experience in code review and technical documentation
  • Proven collaboration with frontend and backend teams to deliver unified solutions

Desirable Requirements:

  • GraphQL, WebSockets, and TypeScript
  • Experience in building mobile/offline apps with local data sync and conflict resolution
  • Immutable state management (e.g., Redux)
  • Migrating from monolith to micro frontend architectures (horizontal & vertical)
  • Domain Driven Design (DDD)
  • Designing observability features for micro frontends
  • CI/CD practices, preferably using Azure DevOps
  • Secure code development aligned with OWASP TOP 10
  • Creating automated unit and integration tests
  • Experience as a Senior or Lead Developer
  • Adherence to SOLID principles and software development best practices
  • Ability to work autonomously and guide junior staff
  • Performance and scalability optimization experience

Top Skills

Angular
Azure Devops
GraphQL
HTML5
JavaScript
React
Typescript
Web Components

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