Ciklum

Back End JavaScript Developer

Ciklum
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1 day ago
Remote, SlovakiaSenior

Responsibilities

  • Collaborate with Product, Design, Data Science, and senior backend engineers in a cross-functional squad.
  • Design backend services and independently implement scalable, high-volume data-processing solutions for fraud detection using TypeScript.
  • Build and maintain secure, distributed cloud services in an event-driven microservices architecture.
  • Participate in technical grooming, architecture discussions, deployment, monitoring, and production maintenance.
  • Deliver increasingly complex backend features and services with growing autonomy and minimal day-to-day supervision.
  • Contribute to code reviews, code-quality improvements, testing, stability, and performance initiatives.

Requirements

  • 5+ years of professional software development experience focused on backend engineering.
  • Strong hands-on expertise with JavaScript, TypeScript, and Node.js.
  • Hands-on experience with AWS services including API Gateway, Lambda, ECS, SQS, SNS, and DynamoDB.
  • Experience with Infrastructure as Code using Terraform or CloudFormation.
  • Practical experience building and maintaining event-driven and microservice architectures, preferably with the Serverless Framework.
  • Proficiency with DynamoDB and PostgreSQL.
  • Experience with CI/CD pipelines such as GitHub Actions, Docker, and container orchestration platforms including ECS or Kubernetes.
  • Hands-on experience with AI-assisted engineering tools, with Claude Code preferred.
  • Ability to take user stories and technical specifications from inception through production release and resolve blockers proactively.
  • Strong collaboration, learning, pairing, and communication skills.

Benefits

  • Full-time employment in Slovakia with a balance of office and remote work.
  • International, cross-functional collaboration and exposure to large-scale initiatives.
  • Internal meetups, conferences, workshops, Udemy access, language courses, and company-paid certifications.
  • Friendly, open-door culture with extensive benefits aligned with market standards.
  • Starting salary of 2400 EUR gross, with the final amount dependent on experience and professional knowledge.

Categories

Ciklum

About Ciklum

1,001-5,000 employees

Ciklum is an IT services firm that builds custom digital products and provides nearshore engineering teams, QA, DevOps, data analytics, and UX for enterprises and high-growth startups. It operates a services model spanning product engineering, e-commerce solutions, and managed delivery centers. Founded in 2002 and headquartered in London, the privately held company serves global clients including Just Eat and Zurich Insurance.

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