Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Lead product engineering in a collaborative, cross-functional team from ideation to release.
- Company: Fast-growing SaaS scale-up with a focus on innovation and teamwork.
- Benefits: Competitive salary, stock options, and remote work flexibility.
- Other info: Engaging interview process with opportunities for personal growth.
- Why this job: Join a dynamic team and shape the future of software products.
- Qualifications: Experience in product engineering and proficiency in React and Ruby on Rails.
The predicted salary is between 60000 - 84000 £ per year.
Job Title: Product Engineer
Location: Remote
Salary: £72,000 – £110,000 + stock options
I’m working with a fast-growing SaaS scale-up software organisation.
They’re looking for a Principal Product Engineer who thrives in a collaborative, product-focused environment. You’ll be part of a cross-functional squad (PM, designer, engineers, data) and involved throughout the product lifecycle – from ideation to release.
Tech Stack
- Frontend: React (core), Storybook, some legacy Marionette (Backbone.js).
- Backend: Ruby on Rails (relative flex on this).
- Infrastructure: AWS (serverless functions with Lambda, cloud hosting)..
Interview Process
- Tech + product chat (30m): exploration of experience and product mindset.
- Coding exercise (1h15m): React-based technical task.
- Product engineering exercise (1h): problem-solving + approach to building.
- Values interview with founders (1h).
Principal Product Engineer employer: Harnham
Contact Detail:
Harnham Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Principal Product Engineer
✨Tip Number 1
Get to know the company inside out! Research their products, values, and culture. This will help you tailor your conversations during interviews and show that you're genuinely interested in being part of their team.
✨Tip Number 2
Practice makes perfect! Brush up on your coding skills, especially in React and Ruby on Rails. Use platforms like StudySmarter to find resources and exercises that can help you ace that technical task.
✨Tip Number 3
Don’t underestimate the power of networking! Connect with current employees on LinkedIn or join relevant online communities. They might share insights about the interview process or even refer you internally.
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets noticed. Plus, we’re always looking for passionate individuals who want to make an impact in a collaborative environment.
We think you need these skills to ace Principal Product Engineer
Some tips for your application 🫡
Show Your Passion for Product Engineering: When writing your application, let us see your enthusiasm for product engineering shine through! Share specific examples of projects you've worked on and how they relate to the role. We love seeing candidates who are genuinely excited about building great products.
Tailor Your CV and Cover Letter: Make sure to customise your CV and cover letter for this role. Highlight your experience with React, Ruby on Rails, and any relevant tech stacks. We want to see how your skills align with our needs, so don’t be shy about showcasing your expertise!
Be Clear and Concise: Keep your application clear and to the point. Use bullet points where possible to make it easy for us to read. We appreciate well-structured applications that get straight to the heart of your experience and skills.
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 shows us you’re keen to join our team at StudySmarter!
How to prepare for a job interview at Harnham
✨Know Your Tech Stack
Make sure you’re familiar with the tech stack mentioned in the job description. Brush up on your React skills, especially if you have experience with Storybook and Ruby on Rails. Being able to discuss how you've used these technologies in past projects will show that you're a great fit for their team.
✨Show Your Product Mindset
During the tech and product chat, be ready to discuss your approach to product development. Think about how you’ve contributed to the product lifecycle in previous roles. Share specific examples of how you’ve collaborated with PMs, designers, and other engineers to bring a product from ideation to release.
✨Prepare for the Coding Exercise
The coding exercise is a big part of the interview, so practice React-based tasks beforehand. Use platforms like LeetCode or CodeSignal to sharpen your skills. Focus on writing clean, efficient code and be prepared to explain your thought process as you work through the problem.
✨Connect with the Founders
The values interview with the founders is your chance to showcase your personality and cultural fit. Research the company’s values and think about how they align with your own. Be genuine and share your passion for product engineering and collaboration – it’ll help you stand out!