At a Glance
- Tasks: Own AI-native product features from user interviews to building and evaluating them.
- Company: Join Quillstone, a forward-thinking tech company in Shoreditch.
- Benefits: Enjoy private medical insurance, equity options, and a wellness stipend.
- Other info: Collaborative team culture with opportunities for growth and experimentation.
- Why this job: Make a real impact by shaping innovative products with cutting-edge technology.
- Qualifications: Experience in full-stack development and user research is essential.
The predicted salary is between 72000 - 88000 £ per year.
Own AI-native product features end to end in Quillstone's merchant and operations dashboard: talk to users, write the spec, build the React front end and the API, instrument it, and decide with data whether it stays.
You will work in a small squad where engineers make product decisions.
Health Insurance
Private medical insurance (Bupa) for you and dependants.
Equity
Meaningful stock options, 4-year vest with 1-year cliff.
Flexible Work
Hybrid: 2 days a week in the Shoreditch office.
Paid Time Off
26 weeks fully paid parental leave.
Wellness / Stipend
£100 monthly wellness stipend.
- 02 Responsibilities
- 01 Build full-stack features in Type Script, React, Next. js and Node.
- 02 Integrate LLM capabilities with streaming UX and structured outputs.
- 03 Run user interviews and turn findings into specs.
- 04 Instrument features and run experiments to decide what to keep.
- 05 Maintain offline evaluation suites for AI features in CI.
What we evaluate against.
- Product Judgment & Prioritisation
- Must have
- Has decided to cut or reshape a feature based on user or metric evidence.
- Nice to have
- Writes their own specs.
- AI & Technical Fluency
- Must have
- Has shipped an LLM-powered feature to production users.
- Can describe a failure mode of that feature and how the UX handles it.
- Nice to have
- Maintains evaluation or prompt tests in CI.
- User & Workflow Insight
- Must have
- Has run user interviews and changed a design because of them.
- Nice to have
- B2B or finance user research experience.
- Must have
- Has run an A/B test or evaluation and acted on a null or negative result.
- Nice to have
- Uses product analytics tooling day to day.
- Cross-Functional Product Delivery
- Must have
- Has shipped full-stack features end to end with measurable outcomes.
- Nice to have
- Resolved a design/engineering trade-off that shipped.
- 04 Team dynamics Team Structure
AI platform squad of 8 engineers working alongside disputes and reconciliation product teams.
Operating Rhythm
Two-week sprints, weekly customer calls, monthly model-risk review.
Communication
Disagreements settled on evaluation data, escalated to the CTO only on regulatory risk.
- 05 Company culture
- Ownership
Squads own their product metrics and their on-call.
A tenth of every sprint is reserved for experiments.
Feedback
Written feedback cycles every six weeks.
Diversity & Inclusion
Structured interviews and published salary bands.
- 06 What success looks like
- First 30 days
Ship a production change to the disputes dashboard and join three customer calls.
90 days
Report experiment results and make a keep / kill recommendation.
Outcomes
Own a product area and its metrics end to end.
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Product Engineer in London employer: PathwaysX, Inc.
PathwaysX, Inc. provides a supportive work culture with a focus on employee wellbeing and professional development. The company offers competitive benefits, including private healthcare and stock options, making it an attractive employer for those looking to grow in the AI sector.
StudySmarter Expert Advice🤫
We think this is how you could land Product Engineer in London
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We think you need these skills to ace Product Engineer in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at PathwaysX, Inc..
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at PathwaysX, Inc. and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at PathwaysX, Inc.
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If PathwaysX, Inc. uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
