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Senior Full-stack Developer; Java & React

Job in Romania, Somerset County, Pennsylvania, USA
Listing for: Evolvetoday
Full Time position
Listed on 2026-06-02
Job specializations:
  • Software Development
    Backend Developer, Java Developer
Salary/Wage Range or Industry Benchmark: 125000 - 150000 USD Yearly USD 125000.00 150000.00 YEAR
Job Description & How to Apply Below
Position: Senior Full-stack Developer (Java & React)
Location: Romania

Senior Full-stack Developer (Java & React) – backend heavy (~80%) full‑stack role within a shared platform team focused on authentication and authorization systems.

Responsibilities
  • Improve and customize authentication services used across multiple enterprise products.
  • Contribute to authorization flows in collaboration with a dedicated IAM team.
  • Implement features such as IP registration, UI adjustments, and authentication‑related frontend logic.
  • Work across both legacy and modern identity systems.
  • Collaborate closely with backend‑focused engineering teams in a distributed environment.
Tech Stack & Requirements
  • Java + Spring Boot
  • Strong experience building REST APIs
  • Open Search or strong No

    SQL background (consumption‑focused; indexing not required)
  • React

    JS / NextJS
  • Experience working with design systems
  • Strong IAM knowledge:
    Auth0 / Okta (authentication), Keycloak (authorization)
  • Solid understanding of SSO, RBAC, and distributed identity systems
  • Frontend exposure with JavaScript for authentication‑related flows
Must‑Have Profile
  • 8+ years of professional software engineering experience
  • Strong full‑stack engineer with deep backend expertise
  • Hands‑on experience with IAM systems (beyond basic integrations)
  • Experience with SSO and distributed authentication systems
  • Ability to ramp up within ~1 sprint (2 weeks)
  • High autonomy and ability to contribute quickly
Nice to Have
  • Experience working with multiple authentication systems (legacy + modern)
  • Exposure to complex enterprise identity environments
  • Deeper IAM experience (SSO flows, identity provider configuration, RBAC models)

Location:

Romania (remote or hybrid from Cluj / Iași). Flexible collaboration model: employment or B2B.

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Position Requirements
10+ Years work experience
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