Senior Full Stack Engineer

2 weeks ago

Serbia ATAK Interactive Full time 60,000 - 80,000 per year

About ATAK Interactive
ATAK Interactive builds the technical backbone of modern business growth. We specialize in system integrations, API-first solutions, and seamless data connectivity between critical business platforms: ERP, CRM, eCommerce, payments, and analytics. Our development team creates custom solutions that eliminate data silos and automate complex workflows.

What You'll Do

  • Scope, Architect, develop, and maintain robust RESTful and GraphQL APIs to connect diverse systems
  • Collaborate (often with clients directly) on integration projects with third-party services (payment providers, CRMs, ERPs, marketing platforms, etc.)
  • Modernize and refactor existing code to support scalable, secure integrations
  • Build middleware and microservices for reliable data synchronization and workflow automation
  • Design integration strategies around webhooks, message queues, and event-driven systems
  • Partner with cross-functional teams to understand system requirements and translate them into working solutions
  • Set standards for API security, documentation, and lifecycle management

What You'll Bring

  • 5+ years as a full-stack or backend engineer, with proven experience in APIs and integrations
  • Strong backend development skills (PHP, Python, , or similar)
  • Solid frontend fundamentals (JavaScript, HTML, CSS) and ability to work end-to-end when needed
  • Hands-on experience with relational databases and query optimization
  • Familiarity with integration patterns: REST, GraphQL, SOAP, ETL pipelines, message brokers (RabbitMQ, Kafka, etc.)
  • Comfortable working in Linux environments and using Git workflows
  • A systems thinker who can design for reliability, observability, and performance

What We Offer

  • Competitive compensation and benefits
  • Direct impact: Your integration architecture will drive critical client systems
  • Complex, real-world integrations: Challenging and rewarding work
  • A collaborative, growth-oriented environment where technical excellence is valued

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