Principal Software Engineer

easyJet; Barcelona; Híbrido; EUR 90.000 - 120.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Bonus up to 20%

25 days holiday

Pension 7%

Life Assurance

Flexible benefits package

Staff travel benefits

Performance share schemes

Descripción de la vacante

easyJet is seeking a Principal Software Engineer for the eCommerce Platform Delivery team in a hybrid Barcelona-based role. You will provide technical leadership, ensure robust, secure, and scalable systems, and align engineering with business goals to enable seamless customer experiences across web and mobile platforms.

You will collaborate with Product Managers and Architects, champion best practices, data integrity, and real-time data flows using event-driven architectures, APIs, and modern

Formación

• Ability to link technical strategy and architectural decisions to measurable outcomes.
• Mentor and coach mid-level and senior engineers, fostering technical growth and best practices.
• Experience with cloud and commerce technologies, including AWS.

Responsabilidades

• Own the Mission technical vision, strategy, and roadmap, aligning with platform standards.
• Lead design, architecture, and development of scalable, high-performance systems.
• Champion data integrity and performance for scalable, resilient systems.
• Oversee delivery of key product features with performance and security requirements.
• Ensure code quality via reviews and engineering standards.
• Guide teams with metrics and feedback to build high-performing engineering groups.
• Mentor junior and mid-level engineers to foster continuous learning.
• Stay updated on industry trends to improve software practices and platform capabilities.

Conocimientos

AWS

C# .NET

Observability

Data architecture

Event-driven architecture

APIs

Microservices

Cloud architecture

Mentoring

Descripción del empleo

We’ve landed! When it comes to innovation and achievement, there are few organisations with a better track record. Join us as we embark on an ambitious journey, evolving our digital commerce platforms and building scalable, resilient, and innovative foundations that enable seamless customer experiences across web, mobile, and connected channels.

Finding brilliant tech talent is vital to the future of easyJet. With opportunities to work across the technology that powers our app, website, and other digital touchpoints, you’ll help connect over 100 million customers to thousands of their favourite destinations!

Located in the One Parc Central building in Sant Martí, with hybrid working available, we’re looking to connect with Product, UX, and Software Development professionals who share our passion for making an impact and helping people all over Europe Get Out There.

As a Principal Software Engineer within the eCommerce Platform Delivery team, you will provide leadership and technical stewardship across multiple squads within a defined Mission. You will be responsible for the overall design and accountable for upholding engineering standards, ensuring the delivery of robust, secure, scalable, and high-performance systems. Your role will involve guiding teams towards technical excellence, fostering a culture of continuous improvement, and driving high performance across all aspects of software development.

Working closely with Product Managers, Agile Delivery Managers, Enterprise Architects, and the Chapter Lead for Software Engineering, you will ensure engineering standards are upheld, guide complex technical solutions, and align strategy, approach, and principles across the Mission. By championing best practices, modern architectures, and innovation, you will accelerate the delivery of customer-facing features, improve platform resilience, and ensure the platform remains robust, scalable, and future-ready.

What You’ll Be Doing

• Own the Mission technical vision, strategy, and roadmap, ensuring alignment with business objectives and platform standards.
• Take accountability for technical delivery and execution of the technical vision and strategy across multiple squads.
• Lead the design, architecture, and development of scalable, reliable, and high-performance software systems, including system design, technology selection, and overall architecture.
• Champion data integrity and performance, ensuring systems are designed for scalability and operational resilience.
• Own the delivery of key product features, ensuring they meet performance, security, and scalability requirements.
• Ensure the quality of code delivered across squads, adhering to best practices and engineering standards.
• Actively contribute to and lead code reviews, providing constructive feedback to continuously improve code quality and team capability.
• Utilise metrics and feedback loops to monitor team performance, identify areas for improvement, and drive the continuous development of high-performing engineering teams.
• Mentor and provide guidance to junior and mid-level engineers, fostering a culture of continuous learning and improvement.
• Stay informed of industry trends, emerging technologies, and methodologies, applying insights to improve software development practices and platform capabilities.

What You’ll Bring To The Team

• Ability to link technical strategy and architectural decisions to measurable outcomes, including feature performance, platform reliability, and customer impact.
• Mentor and coach mid-level and senior engineers, fostering technical growth and best practices.
• Proven expertise in cloud and commerce technologies, including AWS.
• Strong background in Microsoft technologies, including C# .NET
• Extensive experience in observability, leveraging tools for monitoring metrics, telemetry, alerts, and logs to ensure system reliability and performance.
• Expertise in data architecture and modelling, with a strong understanding of legacy systems and performance optimisation techniques relevant to operational data platforms.
• Proven experience designing and implementing event-driven architectures (EDA) to support real-time data flows.
• Strong knowledge of infrastructure and networking principles, with experience in designing and maintaining secure, high-performance systems across distributed platforms.
• Extensive software engineering experience with proven capability to lead complex projects and collaborate across cross-functional teams.
• Strong understanding of data platforms, with the ability to modernise legacy systems while maintaining reliability and performance.
• Deep knowledge of modern design patterns and architectures, including APIs, event-driven architectures (EDA), microapps, front-end frameworks, and app technologies, with experience applying these in eCommerce environments.

What We Can Offer You

• Competitive base salary
• Up to 20% bonus
• 25 days holiday
• BAYE, SAYE & Performance share schemes
• 7% pension
• Life Assurance
• Flexible benefits package
• Excellent staff travel benefits

Business Area

Technology

Primary Location

Spain-Barcelona-One Parc Central Carrer del Marroc, 33 08018 Barcelona Sant Mart

Organisation

Information Technology (IT)

Schedule

Full-time