Software Engineer - Back End

Farfetch; Porto; Hybrid; EUR 70,000 - 100,000; Full time

Job summary

Farfetch is seeking a skilled Software Engineer to join the ID team in Porto. Reporting to the Engineering Lead, you will help design and develop our Identity platform (Authentication, Authorization, and Account domains), ensuring scalable, secure, and GDPR-conscious solutions.

You will work with .NET, MongoDB, Cassandra, Kafka, Redis, Docker, and Duende Identity Server, collaborating with cross-functional teams to deliver reliable services.

Qualifications

• Strong experience with .NET/C# and OOP principles.
• Experience in authentication/authorization flows (OAuth/OpenID).
• Knowledge of testing strategies and code quality.
• Autonomous with ability to make technical decisions.
• Experience with NoSQL/SQL databases and large-scale systems.
• Familiarity with SCRUM/Kanban is a plus.
• Proficient in English, both written and spoken.

Responsibilities

• Refine Authentication/Authorization microservices and ensure smooth usage across Farfetch ecosystem.
• Improve the team's tools, frameworks, and libraries to boost productivity.
• Coach and support development teams on best practices and tool usage.
• Monitor, maintain, and support existing services and libraries.
• Define the team's technical roadmap with Senior/Principal Engineers and other teams.
• Collaborate with other teams to ensure technical feasibility of projects.
• Advance technical capabilities using state-of-the-art technologies (.NET, MongoDB, Cassandra, Kafka, Redis, Docker, Duende Identity Server, OAuth/OpenID).

Skills

C# .NET

OAuth/OpenID

Code quality

Autonomy

Distributed systems

Best practices

NoSQL/SQL

Agile methodologies

English

Tools

MongoDB

Cassandra

Kafka

Redis

Docker

Duende Identity Server

Job description

FARFETCH exists for the love of fashion. Our mission is to be the global platform for luxury fashion, connecting creators, curators and consumers.

We're a positive platform for good, bringing together an incredible creative community made up by our people, our partners and our customers. This community is at the heart of our business success. We welcome differences, empower individuality and celebrate diverse skills and perspectives, creating an inclusive environment for everyone. We are FARFETCH for All.

TECHNOLOGY

We're on a mission to build the technology that powers the global platform for luxury fashion. We operate a modular end-to-end technology platform purpose-built to connect the luxury fashion ecosystem worldwide, addressing complex challenges and enjoying it. We're empowered to break traditions and revolutionise, with the freedom and autonomy to make a difference for our customers all over the world.

PORTO

Our Porto office is located in Portugal's vibrant second city, known for its history and its creative yet cosy environment. You can have an informal meeting in the treehouse or play the piano during your lunch break!

THE ROLE

We're looking for a skilled Software Engineer to join the Farfetch ID team. Reporting to the Engineering Lead, you'll play a key role in supporting and improving our Identity platform (Authentication, Authorization, and Account domains), also impacting the User journey and being conscious of our PII/GDPR requirements. As a Software Engineer, your responsibilities will include assisting in the design and development of new features/solutions across our services and platform; you'll also support the maintenance and evolution of existing components. Additionally, as part of the role, you will be responsible for ensuring the quality, reliability, and continuous improvement of our authorization/authentication flows through proactive problem-solving.
You will transform business requirements into efficient and scalable solutions, and ensure that all developments undergo rigorous testing and review. Effective communication is crucial in this role, as you will frequently interact with colleagues to thoroughly understand problems and convey clear solutions.

WHAT YOU'LL DO

• Evolve our Authentication/Authorization microservices architecture by refining the current ones and ensuring smooth usage throughout the Farfetch ecosystem.
• Excel our engineering teams with amazing tools, frameworks, and libs that increase the productivity of the entire department.
• Coach and support development teams on best practices and the usage of the tools we provide them.
• Monitor, maintain, and support the existing services, tools, and libraries.
• Work closely with Senior and Principal Engineers, as well as other teams at Farfetch (Data, Product, and Security), to define the team's technical roadmap and solutions.
• Cooperate with other teams to ensure the technical feasibility of the scope of the projects.
• Evolve your technical capabilities to the next level while using state-of-the-art technologies (.NET, Mongo, Cassandra, Kafka, Redis, Docker, Duende Identity Server, OAuth/OpenID).

WHO YOU ARE

• Proficient in object-oriented languages (C# .NET) with a deep understanding of OOP principles, design patterns, and data structures.
• A person knowledgeable in the Authorization/Authentication process with OAuth/OpenId.
• A person who is passionate about code quality and has good knowledge of testing strategies to improve product quality.
• A person who is autonomous and able to make important technical decisions that will have a positive impact on our platform.
• A person interested in distributed and large-scale systems, excited by the challenge of managing millions of identities in real-time, and passionate about solving complex problems.
• A person who stays on top of all the best practices of modern software development.
• A professional who is experienced in NoSQL and/or SQL databases.
• A professional with experience working with Agile (SCRUM/Kanban) methodologies is also a plus.
• Proficient in written and spoken English.