Backend Engineer –

Backend Engineer –

London Full-Time 60000 - 84000 £ / year (est.) No home office possible
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FlatPeak

At a Glance

  • Tasks: Build and optimise backend systems using cutting-edge technologies.
  • Company: Join Flatpeak, a fast-growing tech company revolutionising energy management.
  • Benefits: Enjoy a competitive salary, share options, and great perks like gym discounts.
  • Other info: Hybrid work model with a vibrant office culture and career growth opportunities.
  • Why this job: Make a real impact in the energy sector while working with innovative tech.
  • Qualifications: 5+ years in JavaScript/TypeScript, experience with APIs, and a passion for tech.

The predicted salary is between 60000 - 84000 £ per year.

Location

: London, UK (Hybrid, 3 days/week)

Terms

: Permanent | £70K–95K + bonus, benefits & options

About us

:

Flatpeak connects to energy suppliers globally, streaming real-time electricity prices into devices and platforms for cost-optimised control. We\’ve raised over $5M from top VCs in energy, fintech and AI — and we\’re just getting started.

Our stack

:

Node, Golang, MongoDB, Snowflake, AWS Serverless, Atlas, Fly, Graphana, Tableau

About you

:

  • 5+ years of experience as JavaScript, TypeScript and engineer
  • Good understanding of authentication mechanisms
  • Experience integrating with third-party APIs (REST & GraphQL)
  • Experience with data scraping and web scraping
  • Familiarity with serverless architectures
  • Experience or interest in Golang will be a plus

Our process:

  • Video call with Lead Engineer
  • Take-home test
  • In-person interview with Lead Engineer + CTO

Our benefits:

  • MacBook
  • Paid sick leave
  • Pension contribution
  • Annual salary review
  • Discounted gym membership
  • Eye care vouchers
  • Regular socials
  • Share options

We work from our Central London office (EC1) at least three days a week to stay sharp on collaboration, communication, and execution. If that suits you, we\’d love to hear from you.

Backend Engineer – employer: FlatPeak

Flatpeak is an exceptional employer that fosters a dynamic and collaborative work culture in the heart of London. With a strong focus on employee growth, we offer regular salary reviews, share options, and a range of benefits including a MacBook and discounted gym membership. Join us to be part of an innovative team at the forefront of energy technology, where your contributions will directly impact our mission and success.
FlatPeak

Contact Detail:

FlatPeak Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Backend Engineer –

Tip Number 1

Get your networking game on! Reach out to folks in the industry, attend meetups, or join online communities. You never know who might have a lead on that perfect Backend Engineer role.

Tip Number 2

Prepare for those video calls like it’s the final boss level! Research the company, understand their tech stack, and be ready to discuss how your experience with JavaScript, TypeScript, and APIs can help them achieve their goals.

Tip Number 3

Don’t shy away from showcasing your projects! Whether it’s a GitHub repo or a personal website, having tangible examples of your work can really set you apart from the competition.

Tip Number 4

Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love hearing directly from passionate candidates like you!

We think you need these skills to ace Backend Engineer –

JavaScript
TypeScript
Node
Golang
MongoDB
Snowflake
AWS Serverless
REST APIs
GraphQL
Data Scraping
Web Scraping
Authentication Mechanisms
Serverless Architectures
Collaboration Skills
Communication Skills

Some tips for your application 🫡

Tailor Your CV: Make sure your CV is tailored to the Backend Engineer role. Highlight your experience with JavaScript, TypeScript, and any relevant projects that showcase your skills in integrating with APIs and serverless architectures.

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're excited about joining Flatpeak and how your background aligns with our mission. Don’t forget to mention your interest in Golang if you have it!

Showcase Your Projects: If you've worked on any cool projects, especially those involving data scraping or third-party API integrations, make sure to include them. We love seeing practical examples of your work!

Apply Through Our Website: We encourage you to apply through our website for a smoother process. It helps us keep track of applications and ensures you don’t miss out on any important updates from us!

How to prepare for a job interview at FlatPeak

Know Your Tech Stack

Familiarise yourself with the technologies mentioned in the job description, especially Node, Golang, and MongoDB. Be ready to discuss your experience with these tools and how you've used them in past projects.

Showcase Your API Skills

Since integrating with third-party APIs is crucial for this role, prepare examples of your work with REST and GraphQL. Be specific about challenges you faced and how you overcame them.

Prepare for the Take-Home Test

The take-home test is a key part of the process. Make sure you understand the requirements clearly and allocate enough time to complete it thoroughly. This is your chance to demonstrate your coding skills and problem-solving abilities.

Engage During the Interview

During the in-person interview, don’t just answer questions—engage with the Lead Engineer and CTO. Ask insightful questions about their tech stack and company culture. This shows your genuine interest and helps you assess if it's the right fit for you.

Backend Engineer –
FlatPeak
Location: London
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