Principal Engineer

The Role:

• Design, build, and evolve complex cloud‑based software systems, shaping solution architecture through hands‑on development.
• Write, review, and maintain high‑quality production code, setting the standard for clean design, testability, performance, and reliability.
• Leverage cloud platforms and infrastructure (e.g. IaaS, PaaS, containerisation, serverless) to build scalable, resilient, and cost‑effective solutions.
• Break down complex business problems into working software, identifying opportunities for automation and digital improvement.
• Lead by example in modern engineering practices, including CI/CD, automated testing, observability, and performance optimisation.
• Utilise AI‑assisted development tools to accelerate delivery, improve code quality, and enhance developer productivity, while promoting responsible and effective usage.
• Act as a technical leader within delivery teams, pairing, mentoring, and unblocking engineers through active contribution.
• Collaborate closely with product owners, analysts, and stakeholders to refine requirements, estimate effort, and plan incremental delivery.
• Evaluate, integrate, and build against third‑party services and platforms, contributing directly to proofs‑of‑concept and integrations.
• Design and implement secure, compliant, and resilient solutions, ensuring adherence to data protection, regulatory, BCP, and DR requirements.
• Continuously improve codebases and engineering workflows, reducing technical debt and increasing delivery confidence and speed.

• 10+ years’ experience as a Solutions Architect/Principal Engineer in large-scale enterprise or aviation-related projects.
• IT Bachelor’s degree or equivalent industry experience
• Vast .NET Development experience
• Expert level AWS experience
• Ability to work in a fast-paced, dynamic environment
• Strong problem solving and analytical skills
• Experience working on large applications and their underlying databases.
• Experience in system integration (APIs, middleware, data flows).
• Problem solver – the ability to come up with unique solutions to unique problems
• Strong stakeholder management and communication skills, with ability to translate business needs into technical solutions.
• Drive technical excellence within engineering teams.
• Background in aviation, aerospace, or heavy engineering environments, knowledge of MRO systems (aircraft/engine maintenance, inventory, work package management) or familiarity with airline platforms would be a distinct advantage.

• Competitive salary
• Discounted and unlimited travel to over 250 destinations
• Defined Contribution Pension Scheme – Matched up to 5% or €5,000
• Death in Service Benefit – Up to 2 times of annual basic salary
• 20 Days Annual Leave – Increasing to 22 days after 12 months and 25 days after 3 years of continuous service.
• Option for up to 5 additional unpaid leave days per year
• Cycle 2 Work Scheme
• Unrivalled career progression