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September 1, 2026

Strong Middle / Senior Full Stack Engineer

Senior • Remote

Warsaw, Poland

Customer

The customer provides comprehensive cybersecurity solutions across multiple sectors to protect against a wide range of digital threats. Its work includes proactive threat neutralization, real-time operational governance, and advanced anomaly detection for high-value assets.

Project

The project delivers autonomous governance and real-time operational protocols that protect sensitive information assets. It provides visibility into dynamic execution patterns and proactively neutralizes systemic anomalies to maintain environment stability. The solution integrates backend APIs, microservices, and advanced reporting for high-performance, security-focused workflows.

Requirements

  • 5+ years of commercial software engineering experience with JavaScript, TypeScript, React, Node.js, and Go
  • Hands-on experience with SQL and NoSQL databases, such as PostgreSQL, MySQL, and MongoDB
  • Experience with AWS and/or GCP, including deployment and infrastructure management
  • Ability to work independently and take ownership of complex initiatives
  • Strong problem-solving skills and ability to translate complex requirements into clear technical solutions
  • Proactive mindset for identifying and implementing product and process improvements
  • Advanced written and spoken English

Will Be a Plus

  • Experience with cybersecurity, fraud prevention, detection, or other security-focused products
  • Experience with large-scale, high-traffic, or performance-sensitive systems

Personal Profile

  • Self-driven engineer with a strong ownership mentality
  • Capable of leading initiatives from concept to delivery
  • Enjoys tackling complex challenges and improving systems
  • Committed to contributing to team-wide best practices

Responsibilities

  • Investigate and resolve client escalations beyond first-line support capabilities
  • Drive end-to-end delivery of new features and enhancements, from requirements gathering through implementation and stakeholder feedback
  • Develop and maintain backend APIs and microservices supporting reporting, integrations, and core product workflows
  • Work within a mature codebase, refactoring and improving existing components to enhance scalability, maintainability, and performance
  • Act as R&D Owner for roadmap initiatives, leading grooming, requirements definition, implementation, and review
  • Participate in code reviews, share knowledge, and promote engineering best practices across the team

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