~3d ago
New

Principal Backend Developer

United KingdomUnited Kingdom·Londonlead
EngineeringBackend Developer
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Quick Summary

Key Responsibilities

Proven experience designing, documenting, and scaling complex back-end architectures, distributed systems, microservices,

Technical Tools
EngineeringBackend Developer

Waracle are looking for a Principal Backend Developer for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation.

We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex  challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations.

This is a Hybrid role, offering the flexibility to balance your professional and personal life, with 2 days a week spent connecting with colleagues in our London office or on client site.

As a Principal Backend Developer, you will act as a strategic technical leader, guiding and shaping robust architectures, data strategies, and cloud-native environments across multiple squads and collaborative programmes. In this role, you will champion technical excellence, making thoughtful choices that balance cost, security, performance, and user experience to help Waracle scale and deliver high-performance, world-class products.

If you are a collaborative leader who thrives on mentoring talent, fostering inclusive engineering communities, and navigating complex technical landscapes with empathy and pragmatism, we would love to welcome you to our team!

Responsibilities

~2 min read

We believe in supporting our team, inside and outside of work. Here's a glimpse of what you can expect:

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    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.

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    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 x your annual salary for your loved ones.

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    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.

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    Flexible Working: We champion hybrid working, providing a home office setup budget to ensure you're comfortable and productive wherever you are.

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    Learning & Development: Invest in yourself with access to Udemy Business and a dedicated learning and development budget for continuous growth.

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    Lifestyle Perks: Make the most of our Cycle to Work Scheme, and enjoy exclusive gym and retail discounts.

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    Family First: Our enhanced parental leave policies include support for fertility journeys, recognising diverse family needs.

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    Community & Connection: We foster a vibrant culture with regular fun meet-ups and lunch on us in the office once a month. You'll also have the opportunity to make a local impact through Spirit of Waracle, our initiative for getting involved in charitable causes locally, building strong team bonds and giving back.

We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, gender, disability, religion/belief, sexual orientation or age.

Location & Eligibility

Where is the job
London, United Kingdom
On-site at the office
Who can apply
GB

Listing Details

First seen
September 25, 2026
Last seen
September 29, 2026

Posting Health

Days active
3
Repost count
0
Trust Level
56%
Scored at
September 29, 2026

Signal breakdown

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Principal Backend Developer