Principal Software Engineer

Principal Software Engineer

Full-Time 72000 - 108000 £ / year (est.) No working from home possible
Crossing Hurdles

At a Glance

  • Tasks: Lead and mentor engineering teams while building innovative AI products.
  • Company: Join a top European software investor's dynamic AI product incubator.
  • Benefits: Competitive salary, flexible work options, and opportunities for professional growth.
  • Other info: Work in a startup-like environment with the backing of established B2B businesses.
  • Why this job: Make a real impact by driving AI adoption in various industries.
  • Qualifications: 10-15 years of full-stack engineering experience and strong leadership skills.

The predicted salary is between 72000 - 108000 £ per year.

Crossing Hurdles is a global recruitment consultancy assisting one of Europe’s leading software investors’ AI product incubators in hiring a Principal Software Engineer to build and scale real-world AI products used by thousands of customers worldwide. This team operates like a serial startup engine — launching revenue-generating AI products inside established B2B businesses, combining startup ownership with enterprise scale.

Required Experience

  • 10–15 years full-stack engineering experience
  • Built customer-facing products from 0→1
  • Startup / founding-team or early-stage environment experience
  • Experience building B2B SaaS applications
  • Hands-on AI/ML product experience (LLMs, agentic systems)
  • Bachelor’s or Master’s in Computer Science or related field
  • Comfortable working with C-suite stakeholders
  • Proven ability to mentor and lead engineers

What You’ll Do

  • Remain hands‑on in architecture and coding for critical systems
  • Build and mentor high-performance engineering teams
  • Drive real-world AI adoption across industries
  • Partner with executives and product leaders as a technical co‑leader
  • Own technical decisions impacting large customer bases from day one

Principal Software Engineer employer: Crossing Hurdles

At Crossing Hurdles, we pride ourselves on being an exceptional employer that fosters innovation and collaboration in the fast-paced world of AI product development. Our dynamic work culture encourages creativity and offers ample opportunities for professional growth, allowing you to make a significant impact while working alongside industry leaders. Located in a vibrant tech hub, we provide a unique environment where your contributions will be valued, and your career can flourish.

Crossing Hurdles

Contact Details:

Crossing Hurdles Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Principal Software Engineer

Tip Number 1

Network like a pro! Reach out to your connections in the tech industry, especially those who work with AI or B2B SaaS. A personal introduction can make all the difference when you're aiming for that Principal Software Engineer role.

Tip Number 2

Showcase your skills! Create a portfolio that highlights your full-stack engineering projects, especially those that demonstrate your experience in building customer-facing products. This will give potential employers a taste of what you can bring to the table.

Tip Number 3

Prepare for technical interviews by brushing up on your architecture and coding skills. Be ready to discuss your hands-on experience with AI/ML products and how you've mentored teams in the past. Confidence is key!

Tip Number 4

Don't forget to apply through our website! We’re always on the lookout for talented individuals like you. Plus, it’s a great way to ensure your application gets the attention it deserves.

We think you need these skills to ace Principal Software Engineer

Full-Stack Engineering
B2B SaaS Application Development
AI/ML Product Experience
Architecture Design
Coding
Mentoring and Leadership
Stakeholder Engagement

Some tips for your application 🫡

Tailor Your CV:Make sure your CV reflects the skills and experiences that match the job description. Highlight your full-stack engineering experience and any hands-on AI/ML product work you've done. We want to see how you can build customer-facing products from scratch!

Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to tell us about your journey in the tech world, especially your startup experiences and how you've mentored others. Show us why you're the perfect fit for leading high-performance engineering teams.

Showcase Your Projects:If you've built B2B SaaS applications or worked on AI products, make sure to include links or descriptions of these projects. We love seeing real-world examples of your work and how you've driven AI adoption in previous roles.

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 don’t miss out on any important updates. Plus, we love seeing candidates who take that extra step!

How to prepare for a job interview at Crossing Hurdles

Know Your Tech Inside Out

Make sure you’re well-versed in the technologies mentioned in the job description, especially around AI/ML and full-stack development. Brush up on your coding skills and be ready to discuss your hands-on experience with customer-facing products.

Showcase Your Leadership Skills

Since this role involves mentoring and leading teams, prepare examples of how you've successfully guided engineers in the past. Think about specific challenges you faced and how you helped your team overcome them.

Understand the Business Side

This position requires working closely with C-suite stakeholders, so it’s crucial to demonstrate your understanding of B2B SaaS applications and how they drive revenue. Be ready to discuss how your technical decisions have impacted business outcomes.

Prepare for Scenario-Based Questions

Expect questions that assess your problem-solving abilities in real-world scenarios. Think about how you would approach building an AI product from scratch and be prepared to articulate your thought process clearly.