Senior Engineer, Product Design Engineering in London

Senior Engineer, Product Design Engineering in London

London Full-Time 59400 - 72600 £ / year (est.) Home office (partial)
Plain

At a Glance

  • Tasks: Lead product design and development for innovative customer support solutions.
  • Company: Join a dynamic Series A startup transforming B2B customer support with AI.
  • Benefits: Competitive salary, hybrid work model, and opportunities for professional growth.
  • Other info: Collaborative environment with a focus on innovation and user experience.
  • Why this job: Make a real impact by shaping the future of customer relationships in tech.
  • Qualifications: Experience with distributed systems and high-performance web applications.

The predicted salary is between 59400 - 72600 £ per year.

Plain is redefining customer support for the next generation of B2B companies.

We’re building the fastest, most powerful platform to help companies move beyond reactive support and build true customer relationships.

Some of the world’s most forward-thinking companies - like Cursor, Raycast, and Granola - trust Plain to unify all customer interactions, enable faster team collaboration, and supercharge their workflows with AI.

B2B customer support is undergoing a seismic shift.

AI is transforming the way companies engage with customers, shifting support from a siloed function to a company-wide effort across Slack, Discord, and any other channel you talk to customers in.

The old way - slow, manual, and disconnected - no longer works.

This role is hybrid with 3 days a week in our London office.

Help set product direction.

You’ll contribute to both the technical architecture and the roadmap, balancing customer feedback with long-term product health.

Ship features end to end.

Core Product

Own all customer-facing channels (Slack, Discord, Email, etc), core data models, and customer requests.

You’ll balance moving fast to win customers with investing in strong foundations for the future.

Build the tools that every engineer at Plain depends on to ship and operate the product.

You’ll tackle some of our most complex challenges, from data modeling to high-performance reporting, and help set the standard for how we build across the company.

From data pipelines to APIs, you’ll make sure Plain is not only great to use but also great to build on.

Thrive in early ideation stages, love sharing work-in-progress, and enjoy the balance of making trade-offs in order to ship high impact products.

You measure the quality of your work by the end-experience of users, not the abstractions or cleanliness of the code.

You know when to take a shortcut and when to invest in long-term infrastructure.

Have experience working with distributed, serverless systems, and have worked on similar web applications with a high quality and performance bar before

We’re a Series A startup and are competitive in what we offer at our stage, but it’s a different role and opportunity than working at an established tech company.

Senior Engineer, Product Design Engineering in London employer: Plain

At Plain, we pride ourselves on fostering a dynamic and innovative work culture that empowers our employees to take ownership of their projects and drive meaningful change in the B2B landscape. Located in a vibrant tech hub, we offer competitive benefits, continuous learning opportunities, and a collaborative environment where creativity thrives, making us an excellent employer for those looking to make a significant impact in product design.

Plain

Contact Details:

Plain Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Engineer, Product Design Engineering in London

Join Local Tech Meetups

Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Plain or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!

Contribute to Open Source Projects

Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Plain.

Tap into Online Developer Communities

Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Plain.

Explore Job Boards Specifically for Tech Roles

Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Plain that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!

We think you need these skills to ace Senior Engineer, Product Design Engineering in London

Technical Architecture
Data Modeling
High-Performance Reporting
APIs
Data Pipelines
Customer Feedback Integration
Distributed Systems

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 Plain.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Plain 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 Plain

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 Plain 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.