Sr. Full-Stack Engineer

About The Opportunity

We're 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.

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.
  
  

Technology 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

Required Qualifications

• 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.
  
  

Nice To Have Skills

• 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.
  
  

Avenue Code reinforces its commitment to privacy and to all the principles guaranteed by the most accurate global data protection laws, such as GDPR, LGPD, CCPA and CPRA. The Candidate data shared with Avenue Code will be kept confidential and will not be transmitted to disinterested third parties, nor will it be used for purposes other than the application for open positions. As a Consultancy company, Avenue Code may share your information with its clients and other Companies from the CompassUol Group to which Avenue Code’s consultants are allocated to perform its services.