Ciklum

Back End JavaScript Developer

Ciklum
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1 day ago
Remote, Romania or Oslo, NorwaySenior

Responsibilities

  • Collaborate with Product, Design, Data Science, and senior backend engineers in a cross-functional squad.
  • Design backend services and independently implement high-volume, scalable TypeScript data-processing solutions for fraud detection.
  • Build and maintain secure, distributed cloud services in an event-driven microservices architecture.
  • Participate throughout the development lifecycle, including technical grooming, architecture discussions, deployment, monitoring, and production maintenance.
  • Take user stories and technical specifications through implementation and production release while increasing autonomy.
  • Participate in code reviews and apply architectural feedback to improve code quality, stability, and engineering practices.

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 Serverless Framework.
  • Proficiency with NoSQL databases such as DynamoDB and relational databases such as 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 a strong preference for Claude Code.
  • Ability to independently take technical work from inception through production, resolve blockers, and work with increasing self-direction.
  • Willingness to learn from and pair with senior team members, apply architectural guidance, and address ambiguous technical challenges collaboratively.

Benefits

  • Remote work or work from a Ciklum office in Romania.
  • Internal events, meetups, conferences, workshops, Udemy access, language courses, and company-paid certifications.
  • Opportunities for internal mobility across diverse domains and projects.
  • Medical subscription through Regina Maria.
  • Meal tickets of 40 RON net per worked day.

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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