Tech Lead Backend (Node.js/ Nest.js)

Zexter; United States; Remote; USD 130,000 - 180,000; Full time

Benefits offered by this job

Fully remote work

Modern technology stack

Established engineering team

Minimal bureaucracy

Job summary

Zexter is seeking a hands-on backend leader to take technical ownership of its live digital entertainment platform. You will guide architecture, mentor engineers, and drive initiatives from design through production, focusing on scalable, reliable systems and data integrity.

The role combines coding with leadership across Product, QA, DevOps, and engineering to deliver high‑quality services using Node.js, TypeScript, and NestJS.

Qualifications

• 7+ years of backend development using Node.js, TypeScript, and NestJS.
• Strong PostgreSQL and SQL with performance optimization.
• Experience designing backend architecture for high-load production systems.
• Experience with Redis, message queues, and event-driven patterns.
• Familiarity with Docker, Kubernetes, CI/CD, and cloud environments.
• Previous technical leadership with clear communication; English at B2 level.

Responsibilities

• Lead backend architecture decisions and high-load service development.
• Mentor engineers, review code, and promote engineering practices.
• Ensure data consistency in financially critical systems.
• Collaborate with Product, QA, DevOps, and engineering to ship work.

Skills

Node.js

TypeScript

NestJS

PostgreSQL

SQL

Performance tuning

Leadership

English (B2)

Tools

Docker

Kubernetes

CI/CD

Cloud environments

Redis

Message queues

Job description

Role overview

Take technical ownership of backend systems for a live digital entertainment platform and its expanding product line. The role combines hands‑on development with technical leadership: you'll guide architecture, support engineers, and drive initiatives from design through production, with a focus on systems that need to scale reliably and protect transaction data.

Responsibilities

• Lead backend architecture decisions and development of high-load services using Node.js, TypeScript, and NestJS.
• Mentor backend engineers, review code, and establish sound engineering practices.
• Work with PostgreSQL, Redis, and message queues to build reliable services.
• Identify and address performance, scalability, and reliability issues.
• Maintain data consistency in financially critical systems.
• Coordinate with Product, QA, DevOps, and engineering teams to deliver technical work through production.

Requirements

• At least 7 years of commercial backend development with Node.js, TypeScript, and NestJS.
• Strong PostgreSQL, SQL, and database optimization skills.
• Experience designing backend architecture and supporting high-load production systems.
• Experience with Redis, message queues, and event-driven systems.
• Familiarity with Docker, Kubernetes, CI/CD, and cloud environments.
• Previous technical leadership or team lead experience, with clear communication and ownership; English at B2 level.

Nice to have

• Experience in online gaming, payments, wallets, transactions, or other financially critical systems.
• Experience with third-party integrations or AI-assisted development tools.

Benefits and work setup

• Fully remote work.
• Modern technology stack, an established engineering team, and minimal bureaucracy.