Senior Full-Stack Architect & Tech Lead

Lensrentals; New York (NY); On-site; USD 140,000 - 170,000; Full time

Job summary

Lensrentals is seeking a Senior Full Stack Software Developer in New York to lead the design, development, and maintenance of complex applications across the full technology stack. You will drive architecture decisions and mentor engineers while delivering scalable solutions that support core operations.

Ideal candidates have 6+ years in software engineering, strong distributed systems experience, and deep knowledge of Ruby on Rails, React, GraphQL, SQL, Docker, Kubernetes, AWS, and Git.

Qualifications

• Bachelor's degree in CS/Software Engineering or related field.
• 6+ years of professional software engineering experience.
• Experience with distributed systems in production environments.
• Strong full-stack knowledge across front-end, back-end, and databases.
• Proficiency with Ruby on Rails, React, GraphQL, SQL, Docker, Kubernetes, AWS, and Git.
• Ability to lead technical projects and mentor engineers.
• Excellent problem solving and communication skills.

Responsibilities

• Designs, develops, tests, and maintains complex software across front-end, back-end, and databases.
• Leads technical design and architecture discussions, guiding approach and implementation.
• Translates business requirements into technical specs and working software.
• Conducts code reviews and enforces coding standards and best practices.
• Mentors junior and mid-level engineers and guides their growth.
• Identifies and resolves complex defects and performance issues.
• Drives continuous improvement of systems, processes, and team capabilities.
• Maintains technical documentation per departmental standards.

Skills

Full stack development

React

Ruby on Rails

GraphQL

SQL

Docker

Kubernetes

AWS

Git

TypeScript

Go

Rust

Distributed systems

NoSQL datastores

SOLID principles

CAP Theorem

Education

Bachelor's degree in Computer Science or related field

Equivalent experience accepted in lieu of degree

Tools

Ruby on Rails

React

GraphQL

SQL

Docker

Kubernetes

AWS

Git

TypeScript

Go

Rust

Job description

Lensrentals is seeking a Senior Full Stack Software Developer in New York to lead the design, development, and maintenance of complex applications across the full technology stack. You will drive architecture decisions and mentor engineers while delivering scalable solutions that support core operations.

Ideal candidates have 6+ years in software engineering, strong distributed systems experience, and deep knowledge of Ruby on Rails, React, GraphQL, SQL, Docker, Kubernetes, AWS, and Git.