[Hiring] Back End JavaScript Developer @Ciklum

Role Description

As a Back End JavaScript Developer, become a part of a cross-functional development team engineering experiences of tomorrow. In this role, you will be fully integrated into Trustpilot's feature team, collaborating closely with senior engineers while contributing your own voice to technical discussions and implementation choices.

This specific project enhances trust and transparency by detecting and preventing fraudulent activities, such as fake reviews, and ensuring policy compliance through AI, data analysis, and scalable fraud detection systems. Your work will directly influence the integrity of the platform for over 64 million monthly users!

Responsibilities:

• Collaborative Development: Work alongside Product, Design, Data Science, and senior backend engineers in a cross-functional squad that owns its product and codebase end-to-end.
• System Implementation & Design: Partner with senior engineers to design backend services, and independently implement high-volume, scalable data processing solutions for fraud detection using TypeScript.
• Growing Autonomy: Take on complex backend tasks alongside senior developers, transitioning over time into delivering end-to-end features and services with minimal day-to-day supervision.
• Scale & Reliability: Build and maintain secure, distributed cloud services within an event-driven microservices architecture, focusing on code quality, testing, stability, and performance.
• Lifecycle Ownership: Participate across the development lifecycle—from technical grooming and architecture discussions to deployment, monitoring, and production maintenance.
• Continuous Improvement: Actively participate in constructive code reviews, incorporating architectural feedback from senior colleagues to elevate code health and engineering best practices.

Qualifications

• 5+ years of professional software development experience, with a solid focus on backend engineering.
• Strong, hands-on expertise with JavaScript, TypeScript, and Node.js.
• Solid, hands-on experience with AWS services—including API Gateway, Lambda, ECS, SQS, SNS, and DynamoDB—utilizing Infrastructure as Code (Terraform or CloudFormation).
• Practical experience building and maintaining event-driven and microservice architectures, preferably using the Serverless Framework.
• Solid proficiency with NoSQL (DynamoDB) and relational databases (PostgreSQL).
• Working experience with modern CI/CD pipelines (such as GitHub Actions), Docker, and container orchestration platforms (ECS or Kubernetes).
• Hands-on experience developing with AI-assisted engineering tools to accelerate workflows and code delivery, with a strong preference for Claude Code.
• A proven track record of taking user stories and technical specs from inception to production release, proactively resolving blockers, and working with increasing self-direction.
• An eagerness to learn from and pair with senior team members, absorb architectural guidelines, and ask the right questions when tackling ambiguous technical challenges.

Benefits

• Strong community: Work alongside top professionals in a friendly, open-door environment.
• Growth focus: Take on large-scale projects with a global impact and expand your expertise.
• Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications.
• Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies.
• Flexibility: Enjoy flexibility – full remote working possibilities.
• Care: We've got you covered with company-paid premium medical package through Luxmed.
• Access the MyBenefit cafeteria platform, allowing you to choose perks that best suit your lifestyle and needs.