Remote Senior Backend Engineer (Node.js/TypeScript, AWS)

CUJO AI®; Espoo; Hybrid; EUR 56,000 - 78,000; Full time

Benefits offered by this job

Flexible work options

AWS cert bonuses

Annual bonuses

Health insurance

Team events

Referral rewards

Job summary

CUJO AI is seeking a Senior Software Engineer in Espoo to design and build cloud-native services using TypeScript/Node.js on AWS serverless stacks. You will create secure, scalable backends for the OTM product and integrate with CUJO AI platforms, while owning IaC and CI/CD pipelines.

You will mentor engineers and collaborate across international teams. Ideal candidates bring hands-on TypeScript/Node.js experience, AWS services expertise, and a security-first mindset, with fluent English and

Qualifications

• Strong hands-on TypeScript and Node.js development experience.
• Experience building cloud-native services on AWS serverless architecture.
• Experience with OAuth2.0/OpenID Connect and secure authentication flows.
• Proven track record in CI/CD pipelines and test automation.
• Fluent English; ability to work in Agile teams.

Responsibilities

• Design and build cloud-native services on AWS serverless stack.
• Develop RESTful APIs and backend services around OTM functionality, integrating with CUJO AI platforms.
• Own infrastructure-as-code and CI/CD pipelines (Jenkins, GitHub Actions).
• Monitor, troubleshoot, and optimize systems for reliability at scale.
• Mentor engineers and collaborate across distributed, multinational teams.

Skills

TypeScript

Node.js

AWS

OAuth2/OpenID Connect

CI/CD

Security-minded

English

Tools

Lambda

API Gateway

Cognito

DynamoDB

CloudFront

MSK

AWS CDK

GitHub Actions

Jenkins

Job description

CUJO AI is seeking a Senior Software Engineer in Espoo to design and build cloud-native services using TypeScript/Node.js on AWS serverless stacks. You will create secure, scalable backends for the OTM product and integrate with CUJO AI platforms, while owning IaC and CI/CD pipelines.

You will mentor engineers and collaborate across international teams. Ideal candidates bring hands-on TypeScript/Node.js experience, AWS services expertise, and a security-first mindset, with fluent English and