Principal Engineer in London

Principal Engineer in London

London Full-Time 48000 - 72000 £ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Lead engineering projects and mentor junior team members while coding hands-on.
  • Company: Join Openr, a game-changer in the hospitality tech space.
  • Benefits: Enjoy life assurance, income protection, and generous holiday allowance.
  • Why this job: Shape the future of a growing SaaS platform with cutting-edge technologies.
  • Qualifications: Strong coding skills in TypeScript, React, and AWS experience required.
  • Other info: Hybrid work model with a vibrant team culture in Central London.

The predicted salary is between 48000 - 72000 £ per year.

Openr is transforming how the hospitality industry manages and shares data. By centralising recipe, product, and pricing information, we help hospitality businesses seamlessly connect to platforms like Deliveroo and Just Eat, as well as EPOS and other customer touch points. We’ve recently closed a significant funding round and are backed by Azzurri Group, one of the UK’s most successful hospitality investment platforms. With strong market traction, we’re now looking for a Principal Engineer.

Role Overview

We’re seeking an experienced and technically strong Engineer to join our high performing Engineering Team. This is an individual contributor role, actively contributing hands‑on code, whilst being a technical point of contact and mentor to more junior members of the team. You will work with the team to ensure projects are delivered on time and meet quality standards.

Technical Environment

  • Frontend: TypeScript, React, React Query
  • AWS cloud infrastructure

We are looking for someone who is backend focused but with a good understanding of frontend tech stack.

Key Responsibilities

  • Delivering high quality solutions
  • Balance technical debt with feature delivery
  • Identify and resolve bottlenecks in development workflows
  • Ensure system reliability and performance
  • Contribute to product strategy and roadmap planning
  • Manage technical dependencies and risks
  • Communicate technical concepts to non-technical stakeholders

Leadership

  • Mentor a team of engineers.
  • Participate in recruitment, screening candidates, reviewing code challenges, and onboarding new team members

Required Skills & Experience

  • Strong hands‑on coding abilities in TypeScript, React, SQL and databases
  • Experience with Serverless architectures and AWS
  • Proven track record of delivering complex technical projects
  • Excellent communication and interpersonal skills
  • Strong system design and architectural skills

Preferred Qualifications

  • Experience in SaaS or integration‑heavy platforms
  • Knowledge of event‑driven architectures
  • Background in scaling SaaS products
  • Understanding of security best practices

What We Offer

  • Opportunity to shape the technical direction of a growing SaaS platform
  • Collaborative engineering culture
  • Work with modern cloud‑native technologies

Location & Work Arrangement

  • Based in Central London (Farringdon)
  • Hybrid working policy - 2 days per week in our Central London office

Company Benefits

  • Life Assurance - 4x salary
  • Income protection - 75% salary after 26 weeks of sickness
  • 25 days holiday per year plus

Principal Engineer in London employer: Weareopenr

Openr is an exceptional employer, offering a dynamic and collaborative engineering culture that empowers employees to shape the future of a growing SaaS platform. With a hybrid working policy based in Central London, team members enjoy a balance of remote flexibility and vibrant office life, alongside generous benefits such as life assurance and ample holiday. The opportunity for mentorship and professional growth within a high-performing team makes Openr a rewarding place for those seeking meaningful employment in the tech-driven hospitality sector.
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Contact Detail:

Weareopenr Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Principal Engineer in London

✨Tip Number 1

Network like a pro! Reach out to your connections in the industry, especially those who might know someone at Openr. A friendly chat can sometimes lead to a referral, which is a great way to get your foot in the door.

✨Tip Number 2

Show off your skills! If you have a GitHub or portfolio showcasing your TypeScript and React projects, make sure to share it. This gives potential employers a taste of what you can do and sets you apart from the crowd.

✨Tip Number 3

Prepare for the interview by brushing up on your technical knowledge and soft skills. Be ready to discuss how you've tackled complex projects in the past and how you can contribute to Openr's mission of transforming the hospitality industry.

✨Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you're genuinely interested in joining the team at Openr.

We think you need these skills to ace Principal Engineer in London

TypeScript
React
React Query
AWS Cloud Infrastructure
SQL
Serverless Architectures
System Design
Architectural Skills
Communication Skills
Interpersonal Skills
Mentoring
Technical Project Delivery
SaaS Platforms
Event-Driven Architectures
Security Best Practices

Some tips for your application 🫡

Tailor Your CV: Make sure your CV reflects the skills and experiences that match the Principal Engineer role. Highlight your hands-on coding abilities in TypeScript, React, and AWS, as well as any leadership experience you have.

Craft a Compelling Cover Letter: Use your cover letter to tell us why you're passionate about transforming the hospitality industry. Share specific examples of how you've delivered complex technical projects and mentored others in your previous roles.

Showcase Your Technical Skills: In your application, don't shy away from showcasing your technical prowess. Mention any relevant projects or experiences that demonstrate your understanding of serverless architectures and event-driven systems.

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 during the process.

How to prepare for a job interview at Weareopenr

✨Know Your Tech Stack

Make sure you’re well-versed in TypeScript, React, and AWS. Brush up on your coding skills and be ready to discuss your past projects that utilised these technologies. Being able to demonstrate your hands-on experience will show them you’re the right fit for the Principal Engineer role.

✨Showcase Your Leadership Skills

As a Principal Engineer, mentoring is key. Prepare examples of how you've guided junior engineers or contributed to team dynamics. Highlight your experience in recruitment and onboarding, as this will resonate with their need for someone who can lead and inspire.

✨Communicate Clearly

You’ll need to explain complex technical concepts to non-technical stakeholders. Practice simplifying your explanations and think of examples where you’ve successfully done this before. Clear communication can set you apart from other candidates.

✨Understand Their Business

Research Openr and their impact on the hospitality industry. Familiarise yourself with their products and how they integrate with platforms like Deliveroo and Just Eat. Showing that you understand their business model will demonstrate your genuine interest and help you align your answers with their goals.

Principal Engineer in London
Weareopenr
Location: London

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