Principal Backend Developer — Opportunihub
Job

Principal Backend Developer

Waracle · London, England, United Kingdom

At a glance

Type
Job
Organisation
Waracle
Location
London, England, United Kingdom
Work mode
On-site
Deadline
Rolling / not stated
Posted
16 Sep 2026

About this job

<p><span style="color:#333333">Waracle are looking for a </span><strong><span style="color:#333333">Principal Backend Developer </span></strong><span style="color:#333333">for an exciting new role joining our </span><span style="color:#434343">world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation.</span></p><p style="min-height: 1.7em;"></p><p style="text-align:justify;"><span style="color:#434343">We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to innovate and </span><span style="color:#121317">create intelligent digital products and services. We thrive on complex&nbsp; challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations.</span></p><p style="min-height: 1.7em;"></p><p><span style="color:#121317">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 </span><strong><span style="color:#121317">London office or on client site.</span></strong></p><p style="min-height: 1.7em;"></p><p><strong><span style="color:#121317">The Role</span></strong></p><p style="min-height: 1.7em;"></p><p><span style="color:#121317">As a </span><strong><span style="color:#121317">Principal Backend Developer</span></strong><span style="color:#121317">, 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. </span></p><p style="min-height: 1.7em;"></p><p><span style="color:#121317">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!</span></p><p style="min-height: 1.7em;"></p><p><strong><span style="color:#121317">Key aspects of the role include</span></strong></p><ul><li><p><strong><span style="color:#121317">Solving Complex Technical Challenges:</span></strong><span style="color:#121317"> Partner closely with client technical and business stakeholders at all levels, gaining a deep understanding of their technology estates to advise on impactful, world-class digital solutions.</span></p></li><li><p><strong><span style="color:#121317">Technical Excellence &amp; Delivery:</span></strong><span style="color:#121317"> Shape architectures across multiple squads; select tools and frameworks to scale across clients while optimising for cost, security, performance, and scalability.</span></p></li><li><p><strong><span style="color:#121317">Collaboration &amp; Stakeholder Management:</span></strong><span style="color:#121317"> Act as a trusted advisor to clients on technical strategy and roadmaps, translating complex technical concepts into clear, accessible communication for senior stakeholders.</span></p></li><li><p><strong><span style="color:#121317">Leadership &amp; Community Cultivation:</span></strong><span style="color:#121317"> Mentor Lead and Senior Engineers, foster and grow our engineering community of practice, and ensure cross-team alignment on technical standards.</span></p></li><li><p><strong><span style="color:#121317">Culture &amp; Knowledge Sharing:</span></strong><span style="color:#121317"> Define and evolve Waracle’s technical standards while contributing to our shared body of knowledge through lessons learned, thought leadership, and good practices.</span></p></li></ul><p style="min-height: 1.7em;"></p><p><em><span style="color:#404040">Research shows that underrepresented groups tend to only apply for roles that they believe they meet 100% of the criteria for. At Waracle, we want to buck that trend! We hire for passion, potential and mindset as much as credentials. If you think you'd be incredible in the role, then apply - even if you don't think you tick every box.</span></em></p> <br> <p><strong><span style="color:#121317">What You'll Bring</span></strong></p><ul><li><p><strong><span style="color:#121317">Architectural Leadership:</span></strong><span style="color:#121317"> Proven experience designing, documenting, and scaling complex back-end architectures, distributed systems, microservices, and database designs (SQL and other technologies) within cloud-native environments—particularly Azure (with a focus on API management, maintenance, and scaling).</span></p></li><li><p><strong><span style="color:#121317">Technical Direction &amp; Delivery Ownership:</span></strong><span style="color:#121317"> Strong leadership capability to set clear technical direction, maintain a dedicated ownership mindset, and foster high-standard outcomes across complex enterprise projects.</span></p></li><li><p><strong><span style="color:#121317">Consultative Communication:</span></strong><span style="color:#121317"> Excellent communication and influencing skills, with a demonstrated ability to navigate complex client organisations, support diverse stakeholders, and pragmatically balance commercial constraints with high technical standards.</span></p></li><li><p><strong><span style="color:#121317">Team Mentorship &amp; Growth:</span></strong><span style="color:#121317"> A proven track record of mentoring, developing, and aligning senior engineers and technical leaders to foster a collaborative culture of continuous learning and psychological safety.</span></p></li><li><p><strong><span style="color:#121317">Modern SDLC Innovation:</span></strong><span style="color:#121317"> A pragmatic, forward-thinking approach with a strong interest and enthusiasm for applying AI across the Software Development Life Cycle to enhance engineering practices and advise clients on effective adoption.</span></p><p style="min-height: 1.7em;"></p></li></ul><p><strong><span style="color:#121317">What to expect from our hiring process</span></strong></p><p><strong><span style="color:#121317">1. First Hello:</span></strong><span style="color:#121317"> An informal chat with your dedicated Talent Attraction Partner to talk about Waracle, what you want out of your next move, salary, benefits, and office hybrid working model.</span></p><p><strong><span style="color:#121317">2. Talking Impact:</span></strong><span style="color:#121317"> A collaborative deep dive into how you solve problems, work with others, and raise the bar, guided by our core values and competency framework.</span></p><p><strong><span style="color:#121317">3. Craft Showcase:</span></strong><span style="color:#121317"> A chance to demonstrate your real-world expertise. Depending on the role, this will be a practical presentation.</span></p><p style="min-height: 1.7em;"></p><p><span style="color:#121317">Your Talent Attraction Partner will be in your corner through every step right up to your </span><strong><span style="color:#121317">Welcome Ritual</span></strong><span style="color:#121317"> on day one</span></p><p style="min-height: 1.7em;"></p><p><strong><span style="color:#121317">Our Benefits</span></strong></p><p><span style="color:#121317">We believe in supporting our team, inside and outside of work. Here's a glimpse of what you can expect:</span></p><ul><li><p><strong><span style="color:#121317">Rest &amp; Recharge:</span></strong><span style="color:#121317"> You'll receive 27 days of annual leave, plus 8 bank holidays, totaling </span><strong><span style="color:#121317">35 days of holiday</span></strong><span style="color:#121317"> to unwind and pursue your passions.</span></p></li><li><p><strong><span style="color:#121317">Financial Future &amp; Security:</span></strong><span style="color:#121317"> Plan for retirement with our </span><strong><span style="color:#121317">company-matched 5% pension contribution</span></strong><span style="color:#121317">. For added peace of mind, we also offer a </span><strong><span style="color:#121317">Death in Service benefit, providing 2 x your annual salary</span></strong><span style="color:#121317"> for your loved ones.</span></p></li><li><p><strong><span style="color:#121317">Health &amp; Wellness:</span></strong><span style="color:#121317"> Our </span><strong><span style="color:#121317">Medicash Health Cash Plans</span></strong><span style="color:#121317"> help cover everyday healthcare costs, complemented by an </span><strong><span style="color:#121317">Employee Assistance Programme</span></strong><span style="color:#121317"> for confidential support, and </span><strong><span style="color:#121317">Group Sickness Cover</span></strong><span style="color:#121317"> for peace of mind.</span></p></li><li><p><strong><span style="color:#121317">Flexible Working:</span></strong><span style="color:#121317"> We champion </span><strong><span style="color:#121317">hybrid working</span></strong><span style="color:#121317">, providing a </span><strong><span style="color:#121317">home office setup budget</span></strong><span style="color:#121317"> to ensure you're comfortable and productive wherever you are.</span></p></li><li><p><strong><span style="color:#121317">Learning &amp; Development:</span></strong><span style="color:#121317"> Invest in yourself with access to </span><strong><span style="color:#121317">Udemy Business</span></strong><span style="color:#121317"> and a dedicated </span><strong><span style="color:#121317">learning and development budget</span></strong><span style="color:#121317"> for continuous growth.</span></p></li><li><p><strong><span style="color:#121317">Lifestyle Perks:</span></strong><span style="color:#121317"> Make the most of our </span><strong><span style="color:#121317">Cycle to Work Scheme</span></strong><span style="color:#121317">, and enjoy exclusive </span><strong><span style="color:#121317">gym and retail discounts</span></strong><span style="color:#121317">.</span></p></li><li><p><strong><span style="color:#121317">Family First:</span></strong><span style="color:#121317"> Our </span><strong><span style="color:#121317">enhanced parental leave policies</span></strong><span style="color:#121317"> include support for fertility journeys, recognising diverse family needs.</span></p></li><li><p><strong><span style="color:#121317">Community &amp; Connection:</span></strong><span style="color:#121317"> We foster a vibrant culture with </span><strong><span style="color:#121317">regular fun meet-ups</span></strong><span style="color:#121317"> and </span><strong><span style="color:#121317">lunch on us</span></strong><span style="color:#121317"> in the office once a month. You'll also have the opportunity to make a local impact through </span><strong><span style="color:#121317">Spirit of Waracle, our initiative for getting involved in charitable causes locally</span></strong><span style="color:#121317">, building strong team bonds and giving back.</span></p></li></ul><p style="min-height: 1.7em;"></p><p><em><span style="color:#121317">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.</span></em></p><p>Find <a href="https://www.arbeitnow.co.uk">Jobs in United Kingdom</a> on Arbeitnow</a>

How to apply

  1. 1 Read the full details above and confirm you meet the eligibility criteria.
  2. 2 Prepare your documents — an updated CV, and any cover letter, proposal or certificates required.
  3. 3 Click Apply on official site to complete your application on Waracle’s official page.
  4. 4 Submit as early as possible — many close once filled.
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