Principal Software Engineer (£300k)
Principal Software Engineer (£300k)

Principal Software Engineer (£300k)

Full-Time Home office (partial)
Dex

At a Glance

  • Tasks: Lead technical direction and architecture for fast-scaling startups.
  • Company: Join top London startups with a focus on innovation and growth.
  • Benefits: Earn up to £300k plus meaningful equity and hybrid work options.
  • Other info: Dynamic role with opportunities to partner with founders and CTOs.
  • Why this job: Make a significant impact while mentoring and shaping future tech leaders.
  • Qualifications: Proven experience at Staff or Principal level in high-growth environments.

Location: London, hybrid

Salary: Up to £300,000 + Meaningful Equity

The role:

  • Up to £300k plus serious equity for Staff and Principal engineers at the strongest London startups. AI-native, developer tools, fintech, B2B SaaS, all post product-market fit and scaling fast.

The work:

  • Set technical direction across critical product surfaces
  • Lead architecture for systems that need to scale 10x within 12 to 18 months
  • Mentor senior and mid-level engineers, raise the bar across the team
  • Partner directly with founders, CTOs, and product leadership

What you bring:

  • Strong track record at Staff or Principal level, ideally at multiple high-growth companies
  • Deep technical breadth: backend, frontend, infra, or systems
  • History of leading non-trivial architectural decisions and seeing them through
  • Strong written communication and a bias to ownership over abstract leadership

Principal Software Engineer (£300k) employer: Dex

Join a dynamic and innovative environment in London, where as a Principal Software Engineer, you will not only lead technical direction but also have the opportunity to mentor and shape the next generation of engineers. With a competitive salary of up to £300,000 and meaningful equity, our company fosters a culture of collaboration and growth, ensuring that your contributions are recognised and rewarded. Experience the thrill of working with high-growth startups at the forefront of technology, all while enjoying the flexibility of a hybrid work model.
Dex

Contact Detail:

Dex Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Principal Software Engineer (£300k)

Tip Number 1

Network like a pro! Reach out to your connections in the tech industry, especially those who work at high-growth startups. A personal referral can make all the difference when you're aiming for that Principal Engineer role.

Tip Number 2

Showcase your expertise! Prepare a portfolio or case studies of your past projects, especially those involving architectural decisions and scaling systems. This will help you stand out during interviews and demonstrate your hands-on experience.

Tip Number 3

Practice your pitch! Be ready to discuss your technical breadth and how you've mentored others. Highlight your leadership style and how you’ve contributed to product direction in previous roles—this is key for a Principal Engineer position.

Tip Number 4

Apply through our website! We’ve got some amazing opportunities waiting for you, and applying directly can give you an edge. Plus, it shows your enthusiasm for joining our community of innovators.

We think you need these skills to ace Principal Software Engineer (£300k)

Technical Direction
Architecture Design
Scalability Solutions
Mentoring
Collaboration with Founders and CTOs
Strong Written Communication
Ownership Mindset
Backend Development
Frontend Development
Infrastructure Management
Systems Engineering
Leadership in Architectural Decisions

Some tips for your application 🫡

Tailor Your CV: Make sure your CV reflects the skills and experiences that align with the role of Principal Software Engineer. Highlight your achievements in high-growth environments and any relevant technical expertise to catch our eye!

Craft a Compelling Cover Letter: Your cover letter is your chance to tell us why you're the perfect fit for this role. Share your passion for tech, your experience with scaling systems, and how you’ve mentored others. Keep it engaging and personal!

Showcase Your Technical Skills: In your application, don’t shy away from detailing your technical breadth. Whether it's backend, frontend, or systems, we want to see how your skills can contribute to our mission. Be specific about your past projects!

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it makes the process smoother for everyone involved!

How to prepare for a job interview at Dex

Know Your Tech Inside Out

Make sure you’re well-versed in the technical skills mentioned in the job description. Brush up on your knowledge of backend, frontend, and systems architecture. Be ready to discuss specific projects where you’ve made significant architectural decisions.

Showcase Your Leadership Skills

Prepare examples that highlight your experience in mentoring engineers and leading teams. Think about how you’ve raised the bar in previous roles and be ready to share those stories. This will demonstrate your ability to partner with founders and product leadership.

Understand the Company’s Growth Journey

Research the startup’s background, their product-market fit, and their scaling plans. Being able to discuss their trajectory and how you can contribute to their growth will show your genuine interest and strategic thinking.

Communicate Clearly and Confidently

Strong written communication is key, so practice articulating your thoughts clearly. Prepare to explain complex concepts in a way that’s easy to understand. This will reflect your ownership mindset and ability to lead discussions effectively.

Principal Software Engineer (£300k)
Dex

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