Senior Software Engineer - Full Stack - Customer Experience Team

Nir Yu; Mexico; On-site; PHP 5,528,255 - 9,213,759; Full time

Job summary

Nir Yu is seeking a Senior Software Engineer (Full Stack) to lead and contribute to major initiatives across our engineering platform. You will mentor peers, perform code reviews, and help shape our technology direction while delivering scalable, user-centric experiences for luxury consignment.

The role emphasizes collaboration with product, design, and engineering teams to deploy production-ready software and to explore new technologies in a fast-paced luxury retail environment.

Qualifications

• 7+ years of professional software development experience.
• Strong proficiency in Java or Kotlin, plus Ruby on Rails experience.
• Expertise in modern JavaScript (ECMAScript), HTML, and CSS.
• Experience with React, Node.js, and npm.
• Familiarity with RESTful APIs, Git, TypeScript, IDEs, deployment tools.
• Understanding of event-driven architectures, GraphQL, and database design fundamentals.
• Strong problem-solving skills and a user-centric engineering mindset.
• Interest in luxury retail, e-commerce, sustainability, or circular economy models.

Responsibilities

• Design, develop, and maintain high-quality, scalable software solutions.
• Build and enhance customer-facing applications supporting strategic initiatives.
• Contribute to technical architecture and engineering decisions for the platform.
• Collaborate with product managers, designers, and engineers to deliver features.
• Review pull requests and provide constructive feedback.
• Participate in pair programming and knowledge-sharing across the team.
• Deploy production-ready code and support applications through the lifecycle.
• Continuously learn and explore new technologies and practices.

Skills

Java / Kotlin

Modern JavaScript

React

TypeScript

RESTful APIs

Git

GraphQL

SQL / Database design

Problem solving

User-centric engineering

Tools

Ruby on Rails

Elixir

Node.js

npm

AWS Lambda

PostgreSQL

DynamoDB

Kafka

Job description

The Role:

The Customer Experience team is seeking a kind, curious, and highly collaborative Senior Software Engineer (Full Stack) who enjoys solving complex technical challenges and building exceptional user experiences.

Our team is responsible for creating seamless and compelling experiences that make it easy for individuals to consign luxury items. We place a strong emphasis on collaboration, continuous learning, individual growth, and professional development.

As a Senior Software Engineer, you will be both a hands-on technical contributor and a key influencer in shaping our engineering direction. You will lead and contribute to significant initiatives, mentor fellow engineers through code reviews and pair programming, and help drive the evolution of our technology platform.

We are particularly excited to meet candidates who are passionate about luxury retail, e-commerce, sustainability, and the mission of supporting a circular economy for high-end goods.

Responsibilities:

• Design, develop, and maintain high-quality, scalable, performant, and testable software solutions.

• Build and enhance customer-facing applications that directly support strategic company initiatives.

• Contribute to technical architecture and engineering decisions that shape the future of our platform.

• Collaborate closely with product managers, designers, and engineers to deliver impactful features.

• Review pull requests and provide thoughtful, constructive feedback to teammates.

• Participate in pair programming and knowledge-sharing activities across the team.

• Deploy production-ready code and support applications throughout the software development lifecycle.

• Continuously learn and explore new technologies, design patterns, and engineering practices.

Requirements:

• 7+ years of professional software development experience.

• Strong proficiency in Java or Kotlin, along with experience working in Ruby on Rails environments.

• Expertise in modern JavaScript (ECMAScript), HTML, and CSS.

• Experience building applications with React and related ecosystem tools, including Node.js and npm.

• Familiarity with RESTful APIs, Git, TypeScript, IDEs, version control systems, and deployment tools.

• Understanding of event-driven architectures, GraphQL, and database design fundamentals.

• Strong problem-solving skills and a user-centric engineering mindset.

• Interest in retail, e-commerce, luxury consignment, sustainability, or circular economy business models.

Great to Have:

• Experience implementing or maintaining Kafka-based event streaming solutions.

• Experience working with Elixir.

• Experience decomposing monolithic applications into microservices.

• Familiarity with distributed systems and service-oriented architectures.

Tech Stack:

• You will have the opportunity to work with a modern technology stack, including:

  • Java

  • Kotlin

  • TypeScript

  • GraphQL

  • Kafka

  • AWS Lambda

  • PostgreSQL

  • DynamoDB

• Legacy services are currently built with:

  • Ruby on Rails

  • Elixir

  • React

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