Senior Node.js Backend Engineer

Jeroid; Colombia; Remote; COP 150,000,000 - 210,000,000; Full time

Job summary

Jeroid LTD is seeking a Senior Node.js Backend Engineer to lead backend development for JeroidPay, building secure, scalable APIs and services that support fintech and digital payments.

You will design and maintain backend services with Node.js, ensure authentication and security, optimise performance, and collaborate with product and frontend teams to deliver robust, production-grade systems.

Qualifications

• 4+ years of backend development with Node.js.
• Proficiency in TypeScript and JavaScript.
• Experience building production-grade APIs and distributed systems.

Responsibilities

• Design, develop, and maintain scalable backend services using Node.js.
• Build and manage secure RESTful APIs and system integrations.
• Develop and optimise database structures, queries, and application performance.
• Implement robust authentication, authorisation, and security controls.
• Lead backend technical decisions, code reviews, and engineering best practices.

Skills

Node.js

TypeScript

JavaScript

RESTful APIs

Security

Performance optimisation

Cloud / CI/CD

Fintech experience

Job description

# Senior Node.js Backend EngineerRemoteFull TimeTECH**Role Summary:**We are seeking a highly experienced Senior Node.js Backend Engineer to lead backend development for JeroidPay, building secure, scalable, and high-performance APIs and services that support our fintech and digital payment operations.**Key Responsibilities*** Design, develop, and maintain scalable backend services using Node.js.* Build and manage secure RESTful APIs and system integrations.* Develop and optimise database structures, queries, and application performance.* Implement robust authentication, authorisation, and security controls.* Ensure system reliability, scalability, and performance under high transaction volumes.* Integrate third-party payment services and other fintech solutions.* Lead backend technical decisions, code reviews, and engineering best practices.* Troubleshoot complex production issues and improve system reliability.* Collaborate with product, frontend, and other engineering teams to deliver business requirements.* Mentor other engineers and contribute to technical documentation.**Requirements*** Extensive professional experience in backend development with Node.js.* Strong proficiency in TypeScript and JavaScript.* Experience building and maintaining production-grade APIs and distributed systems.* Strong knowledge of relational and/or NoSQL databases.* Experience with authentication, API security, testing, and performance optimisation.* Familiarity with cloud infrastructure, CI/CD, version control, and deployment workflows.* Experience in fintech, payment systems, or other transaction-heavy platforms is an advantage.* Proven ability to make sound architectural decisions and lead technical delivery.