Senior Backend Developer

Waracle Edinburgh, Scotland, United Kingdom

Waracle is looking for a Senior Backend Developer to join our world‑class digital technology consultancy, home to a diverse, smart, curious and ambitious community of specialists in technology‑driven transformation.

This is a Hybrid role working from our Dundee, Glasgow, Edinburgh, or London offices.

• Feature Design & Delivery: Design and deliver end‑to‑end backend features and subsystems, ensuring code is modular, reusable, and scalable across projects.
• Dev Ops & Automation: Own and execute Dev Ops/CI/CD tasks, including setting up and maintaining pipelines and automation to streamline build, test, and deployment.
• Performance Optimisation: Optimise service performance, scalability, and resilience through application‑level improvements (e.g., query tuning, caching, threading, memory management).
• Security & Testing Strategy: Deliver and maintain robust application security and guide the testing strategy (unit, integration, service‑level) to ensure release readiness and service accuracy.
• Technical Leadership &
  
  Risk Management:
  
  Lead feature delivery, independently resolve day‑to‑day issues, and shape tactical direction by identifying and mitigating risks while evaluating trade‑offs (speed vs. quality).
• Cross‑Client Context Switching: Comfortably manage work across multiple clients, adapting quickly to different application landscapes and priorities.
• Mentoring & Community Contribution: Mentor junior colleagues, conduct peer reviews, and contribute to the wider practice by introducing new industry ideas and owning internal Community of Practice (CoP) initiatives.

We appreciate diverse backgrounds and career paths. If you don’t meet every single qualification below but are excited about the role and confident in your ability to learn, we still encourage you to apply!

• Core Backend Expertise: Proven proficiency in C# and the .NET framework (or .NET Core) in a commercial environment.
• System Design: Extensive experience designing, building, and maintaining scalable and resilient backend systems.
• CI/CD and Dev Ops: Experience leveraging CI/CD and Dev Ops tools to support and automate processes, complemented by familiarity with modern cloud platforms (e.g., AWS, Azure).
• Senior Capacity: Demonstrable experience in a senior capacity, including leading work streams and driving technical direction.
• Database & Performance: Demonstrable experience with database technologies and optimising application performance (e.g., query tuning, caching).
• Communication & Leadership: The ability to confidently present demos to clients and stakeholders, and explain technical trade‑offs in plain language.
• Collaboration: Excellent organisational, presentation, and communication skills, with the ability to engage with and connect to a wide variety of personality types.

The recruitment process you can expect for this role is an initial call with your dedicated Talent Acquisition Partner who will chat with you about Waracle, what you are looking for in a new position, the salary for the role, notice period and benefits.

After that, you’ll be invited to a two‑stage interview process where you have an opportunity to find out more about the role and showcase your skills and experience. Your Talent Acquisition Partner will guide you through the whole process to your first day with us.

• Rest & Recharge: You’ll receive 27 days of annual leave, plus 8 bank holidays, totaling 35 days of holiday to unwind and pursue your passions.
• Financial Future & Security: Plan for retirement with our company‑matched 5% pension contribution
  . For added peace of mind, we also offer a Death in Service benefit, providing 2 × your annual salary for your loved ones.
• Health & Wellness: Our Medicash Health Cash Plans help cover everyday healthcare costs, complemented by an Employee Assistance Programme for confidential support, and Group Sickness Cover for peace of mind.
• Flexible Working: We champion hybrid working
  , providing a home office setup budget to ensure you’re comfortable and productive wherever you are.
• Learning & Development: Invest in…