Senior Back End JS Engineer (TypeScript) — Remote/Hybrid

Ciklum; United States; Hybrid; USD 46,000 - 83,000; Full time

Benefits offered by this job

Flexible hours

Home office option

5 weeks holiday

5 sick days

Multisport Card

Meal allowance

Internal trainings & certifications

Conference participation

Fresh fruit & coffee

Loyalty bonus per 5/10/15+ years

Referral bonus program

Corporate events & team building

Job summary

Ciklum is seeking a Back End JavaScript Developer to join our Czech-based team full-time. You will work in a cross-functional squad delivering end-to-end backend services for large-scale fraud detection projects.

The role emphasizes autonomy, code quality, and scalable architectures, with hybrid/remote options across Czech offices. The ideal candidate has 5+ years in backend development, strong JavaScript/TypeScript skills, and hands-on AWS experience with serverless architectures.

Qualifications

• 5+ years of professional software development experience focused on backend engineering.
• Strong hands-on experience with JavaScript/TypeScript and Node.js.
• Solid AWS experience including API Gateway, Lambda, ECS, SQS, SNS, and DynamoDB with IaC (Terraform or CloudFormation).
• Experience building event-driven microservices, preferably with Serverless Framework.
• Proficiency in NoSQL (DynamoDB) and relational databases (PostgreSQL).
• Familiarity with CI/CD pipelines (GitHub Actions), Docker, and Kubernetes.

Responsibilities

• Collaborate with Product, Design, Data Science, and senior backend engineers to own features end-to-end.
• Design and implement high-volume, scalable backend services for fraud detection using TypeScript.
• Develop secure, distributed cloud services in an event-driven microservices architecture.
• Contribute to code reviews and architectural discussions to improve health and performance.
• Participate in deployment, monitoring, and production maintenance.

Skills

JavaScript

TypeScript

Node.js

AWS

Terraform

CloudFormation

Serverless Framework

DynamoDB

PostgreSQL

GitHub Actions

Docker

Kubernetes

Claude

Event-driven

NoSQL

Tools

AWS

Terraform

CloudFormation

Serverless Framework

GitHub Actions

Docker

Kubernetes

DynamoDB

PostgreSQL

Job description

Ciklum is seeking a Back End JavaScript Developer to join our Czech-based team full-time. You will work in a cross-functional squad delivering end-to-end backend services for large-scale fraud detection projects.

The role emphasizes autonomy, code quality, and scalable architectures, with hybrid/remote options across Czech offices. The ideal candidate has 5+ years in backend development, strong JavaScript/TypeScript skills, and hands-on AWS experience with serverless architectures.