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Salary
≈ $67k – $114k per year (Estimated)
Location
Hybrid (Poland)

Confirmed on the employer's own hiring board on Oct 23, 2026. First seen by Alion on Apr 14, 2026. Antal scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Antal is a recruitment firm operating in Poland as part of the international Antal network, placing specialists and managers with employers across the country. It recruits for technology, engineering, finance, shared services, sales, pharmaceuticals and human resources roles, working on permanent placement, executive search and interim assignments, and running its own market research on salaries and hiring conditions in Poland. The Polish business also publishes regular labour market reports that are widely cited by employers, and it posts a high volume of client vacancies under its own name rather than the hiring company's.

For our Client we are looking for an experienced Senior Frontend Engineer.

The role holder’s primary responsibility is to adopt `Engineering Excellence’ across the Software Security platform. This position plays an instrumental role in driving technical delivery and best in class design & code across agile teams in the Cross Functions Teams within Security Space. Our Client is moving away from high-cost vendor-based platforms to a custom, Next.js-driven open-source architecture deployed on GCP.

Location: Kraków, hybrid work model - 2 days per week in the office, 3 days remote

Cooperation model: [Full-time / B2B]

Project for our Client from the financial sector

Key Responsibilities:

  • Implement and maintain robust Content Security Policies (CSP) and secure cookie management
  • Building secure authentication flows using OAuth2/OpenID Connect within Next.js Middleware
  • Expertise in preventing XSS, CSRF, and clickjacking at the architectural level
  • Build and lead communities that ‘raise the bar’ on delivering quality and efficiency

Requirements:

  • 5+ professional experience in similar posision
  • Advanced proficiency in at least one modern frontend ecosystem (React, Angular or Vue) with the ability to justify architectural choices between them
  • Proven track record of identifying and mitigating frontend vulnerabilities (XSS, CSRF, Supply-Chain attacks) at the code level
  • Experience connecting frontend architectures to GCP-based microservices via type-safe API contracts (REST, GraphQL, or gRPC).
  • Strong mastery of TypeScript, unit/e2e testing (Cypress, Playwright), and CI/CD integration
  • Someone who can think few steps forward of technology and guide the team to a new direction

  • Hands on passionate technologist who is still delivering code to production and understands React Server Components (RSC), Server Actions, and Partial Pre-rendering (PPR)
  • Deep expertise in modern Component-Based Frameworks (e.g., React, Angular, or Vue) and a strong grasp of Server-Side Rendering (SSR) and Static Site Generation (SSG) strategies
  • Implement and maintain robust Content Security Policies (CSP) and secure cookie management
  • Building secure authentication flows using OAuth2/OpenID Connect within Next.js Middleware
  • A problem solver that can translate business opportunities into technical solutions
  • Build and lead communities that ‘raise the bar’ on delivering quality and efficiency
  • Be able to constructively challenge existing thinking and develop improved paths forward
  • Maintains a strong knowledge of IT development methodology, architecture design, engineering solutions, and technical standards
  • Mentor and share knowledge with others on the team, and outside teams where required
  • Always consider automation for a solution from the start. Help to reduce the toil and time-consuming portions of the technology to help developers become more agile and deliver solutions quickly and securely.
  • Fluent English

Benefits:

  • Private medical care (Luxmed)

  • Multisport card

  • Collaborative team culture and modern tech stack

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