Backend Engineer

7x; United States; Hybrid; USD 110,000 - 180,000; Full time

Job summary

7x is seeking a Backend Engineer to design and build robust API services that power our platform. You will handle financial data, authentication, and integrations with payment processors.

You will design scalable services, optimize databases, and implement security best practices while collaborating with frontend engineers to ensure smooth integration and high-quality code.

Qualifications

• 3+ years of backend experience with Node.js or similar.
• Strong database design and query optimization knowledge.
• Experience building RESTful APIs and following design patterns.
• Knowledge of security practices for financial applications.
• Familiarity with cloud services and serverless architectures.
• Experience with TypeScript and automated tests.

Responsibilities

• Design and implement scalable, reliable API services
• Build and maintain database models and optimize query performance
• Integrate with third-party payment services and financial tools
• Implement security best practices to protect sensitive financial data
• Collaborate with frontend engineers to ensure seamless integration
• Participate in code reviews and maintain high-quality code standards

Skills

Node.js

REST APIs

TypeScript

Cloud platforms

Job description

We're seeking a Backend Engineer to build robust and scalable API services for our platform. You'll work on critical systems that handle financial data, user authentication, and integrations with payment processors.

Responsibilities

• Design and implement scalable, reliable API services
• Build and maintain database models and optimize query performance
• Integrate with third-party payment services and financial tools
• Implement security best practices to protect sensitive financial data
• Collaborate with frontend engineers to ensure seamless integration
• Participate in code reviews and maintain high-quality code standards

Requirements

• 3+ years of experience with backend development in Node.js or similar
• Strong understanding of database design and optimization
• Experience with RESTful APIs and API design patterns
• Knowledge of security best practices for financial applications
• Familiarity with cloud services and serverless architectures
• Experience with TypeScript and automated testing