Backend Engineer

EthicalHat Cyber Security Pvt. Ltd.; United States; Remote; USD 90,000 - 130,000; Full time

Job summary

EthicalHat Cyber Security Pvt. Ltd. is seeking an experienced backend engineer to build and operate core services powering product features. You will design REST APIs, integrate with external systems, and work across teams using Python or Node.js on cloud infrastructure.

You'll implement secure data handling, champion testing and CI/CD, and contribute to data pipelines and event-driven architectures. Collaboration with security and AI teams will be part of your daily work.

Qualifications

• 3–4 years of professional backend development experience.
• Strong Python with a web framework or Node.js backend framework.
• Experience with relational databases (PostgreSQL/MySQL) and at least one NoSQL store.
• Proficient in REST APIs and message queues.
• Experience with cloud services, containers, and CI/CD.

Responsibilities

• Design, implement, and maintain REST APIs and services that respond to events.
• Structure relational and non-relational data and write efficient queries.
• Connect services to external APIs, identity providers, and security tools.
• Create background processing and data pipelines using queues and serverless functions.
• Add unit and integration tests, participate in code review, and follow changes through delivery.
• Implement authentication, authorization, input validation, and safe secrets handling.
• Add logs, metrics, and traces, and help diagnose issues in production.

Skills

Python web framework

Node.js backend framework

PostgreSQL/MySQL

NoSQL data stores

REST APIs

Message queues

Cloud services

Docker

CI/CD

API security

Git & code reviews

Tools

Docker

CI/CD tools

Job description

Role overview

Build and operate the back-end services behind product features, including APIs, integrations, event-driven systems, and data pipelines. Some services support security operations and AI features. You will work with engineers across front-end, AI, and security disciplines, using Python or Node.js and cloud infrastructure.

Responsibilities

• Design, implement, and maintain REST APIs and services that respond to events.
• Structure relational and non-relational data and write efficient queries.
• Connect services to external APIs, identity providers, and security tools.
• Create background processing and data pipelines using queues and serverless functions.
• Add unit and integration tests, participate in code review, and follow changes through delivery.
• Implement authentication, authorization, input validation, and safe secrets handling.
• Add logs, metrics, and traces, and help diagnose issues in production.

Requirements

• Around 3-4 years of professional back-end development experience.
• Strong Python experience with a web framework, or Node.js experience with a back-end framework.
• Experience with PostgreSQL or MySQL and at least one non-relational data store.
• Experience building and using REST APIs; familiarity with a message queue system.
• Hands-on experience with cloud services and Docker containers.
• Understanding of API security risks, including unauthorized access to other users’ data and injection, and ways to prevent them.
• Comfort with Git, code reviews, and continuous integration and delivery.