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Coupang · Porto

Senior Fullstack Engineer

PortoFull-timeSenior individual contributorOperations

Listed on Coupang’s official careers site. Posted December 22, 2025. Check that it is still open and apply there.

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Job description

Luxclusif is a technology-driven global B2B platform founded in 2013 and part of Farfetch since 2021. Dedicated to redefining the luxury paradigm by offering premium pre-owned fashion to a global audience, Luxclusif has pioneered the global luxury resale market, with advanced data-driven solutions to facilitate the buying and selling of high-end pre-owned items. With operations spread across the globe and strategic warehouses in key locations, ensure a seamless supply of luxury goods, ensuring item curation, quality control, operations, logistics to technology integrations and sales, delivering an unmatched resale experience for brands, retailers, and end-customers.

THE TEAM Our R&D team is responsible for designing, developing, and evolving the internal products that power our business. As a B2B company specialising in second-hand luxury items, we rely on technology to optimise every stage of our operations, from buying and inbound logistics to selling and post-sales support. We are a global team with members across Portugal, Brazil, and the Philippines. PORTO Our office is near Porto, in the north of Portugal, and is located in a vibrant business hub.

It offers a dynamic and welcoming environment where our employees can connect and network with a large community of tech professionals. THE ROLE As a Senior Fullstack Engineer, you will join our Porto hub to develop internal products that power our business areas. You will pair with Product Managers, Designers, and other Engineers to define, plan, execute and foster a culture of technical excellence.

WHAT YOU’LL DO

Be a Technical Reference: Reporting to the Engineering Manager, you will drive architectural decisions for both backend services and frontend applications, establishing coding standards and best practices.

E2E Ownership

Own the definition, planning, execution, delivery, and monitoring of features in a production environment, ensuring high availability and performance.

Be Product-Driven

Pair with Product Managers on discovery, refinement, estimation, and prioritisation of new features, translating business requirements into technical specs.

Architect Scalable Solutions

Design and implement robust applications and event-driven architectures using Azure Service Bus and Hangfire for background processing and asynchronous tasks.

Ensure Data Integrity

Manage and optimise database schemas, ensuring data consistency and query performance.

Collaborate on UX/UI

Engage closely with the Design Team, ensuring faithful implementation of our web strategy and contribute to the evolution and maintenance of our internal Design System, ensuring visual consistency and code reusability.

Champion Documentation

Create and maintain clear documentation for APIs, architecture diagrams, and system flows.

Master the Stack

.NET (C#), SQL/MySQL/PostgreSQL, Hangfire, Azure Service Bus, React/TypeScript, Azure, Terraform, CI/CD (Bitbucket Pipelines).

WHO YOU ARE

Experienced: You have at least 7 years of experience building and deploying distributed systems and web applications.

Backend Specialist

You have deep proficiency in .NET (C#) and a solid grasp of Object-Oriented Programming and Domain-Driven Design (DDD).

Database Proficient

You are comfortable working with relational databases and know how to optimise them for scale.

Async & Background Processing

You have proven experience implementing background jobs (using Hangfire or similar) and event-driven architecture using message brokers (Azure Service Bus, RabbitMQ, Kafka, etc).

Frontend Capable

You are proficient with React and TypeScript, capable of building and maintaining functional and responsive UI components.

Quality Obsessed

You view automated testing (Unit, Integration) as a baseline for every feature and know how to integrate tests into a CI/CD pipeline.

Cloud Aware

Strong familiarity with Microsoft Azure and Infrastructure as Code (Terraform) is highly valued.

Global Communicator

You are comfortable working with different time zones and thrive in an environment that values asynchronous communication and autonomy. REWARDS & BENEFITS Health insurance for the whole family, flexible working environment and well-being support and tools Extra days off, sabbatical program and days for you to give back for the community Training opportunities and free access to Udemy Flexible benefits program EQUAL OPPORTUNITIES STATEMENT FARFETCH is committed to being an inclusive workplace where diversity in all its forms is celebrated.

We make employment decisions without regard to race, religious creed, color, age, sex, sexual orientation, gender, gender identity, gender expression, national origin, ancestry, marital status, medical condition as defined by state law, physical or mental disability, military service or veteran status, pregnancy, childbirth and related medical conditions, genetic information or any other classification protected by applicable federal, state or local laws or ordinances.

If you require special accommodation, please let us know. SCAM DISCLAIMER It has come to our attention that there may be fraudulent activities involving individuals or organizations falsely claiming to represent Farfetch in order to attract candidates to a SCAM. Please be aware that Farfetch does not conduct recruitment processes through messaging apps or any unofficial communication channels, other than our official careers website.

Additionally, Farfetch will never ask candidates for any form of payment during the recruitment process.

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