Ciklum

Back End JavaScript Developer

Ciklum
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8 hours ago
Remote, PolandSenior

Responsibilities

  • Collaborate with Product, Design, Data Science, and senior backend engineers in a cross-functional product 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 architecture.
  • Develop end-to-end features with increasing autonomy, from technical specifications through production release.
  • Participate in technical grooming, architecture discussions, code reviews, deployment, monitoring, and production maintenance.
  • Improve code quality, stability, performance, and engineering practices while proactively resolving blockers.

Requirements

  • At least 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 strongly preferred.
  • Ability to take user stories and technical specifications from inception through production release with increasing independence.
  • Willingness to learn from and collaborate with senior team members and address ambiguous technical challenges.

Benefits

  • Full remote working possibilities in Poland.
  • Internal meetups, conferences, workshops, Udemy access, language courses, and company-paid certifications.
  • Opportunities for internal mobility across diverse domains and projects.
  • Company-paid premium medical package through Luxmed.
  • Access to the MyBenefit cafeteria platform for flexible perks.
  • Friendly, collaborative, open-door work environment with large-scale, globally impactful projects.

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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