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Senior Back-end Developer - AWS/Node.js -Remote (UK)

Immersive Labs

United Kingdom / Remote
  • Job Type: Full-Time
  • Function: Engineering Software
  • Industry: Cybersecurity
  • Post Date: 02/21/2024
  • Website:
  • Company Address: 6th Floor, The Programme, All Saints Street, Bristol, GB, BS1 2
  • Salary Range: $50,000 - $150,000

About Immersive Labs

The leader in people-centric cyber resilience.

Job Description

Collaborative people that create ingenious solutions

Get on board with the fastest-growing cybersecurity company in the UK

We love a challenge and are quick to adapt


Immersive Labs is the leader in people-centric cyber resilience. We help organizations continuously assess, build, and prove their cyber workforce resilience for teams across the entire organization, from front-line cybersecurity and development teams to Board-level executives. We provide realistic simulations and hands-on cybersecurity labs to evaluate individual and team capabilities and decision-making against the latest threats.


Where we are now

Immersive Labs was founded in 2017, from a cargo container in Bristol, UK we’ve grown to over 300 employees globally, announced funding of more than £150 million and been voted a Best place to work for the last 3 years running! We are trusted by the world’s largest organizations including KPMG, Sophos and the NHS to measure, map to risk, and optimize the human cyber abilities of their entire workforce.

We encourage people of all different backgrounds and identities to apply. We are committed to maintaining an inclusive, supportive place for you to be you and do your very best work.

Senior Back-end Developer - AWS/Node.js - Remote

Are you seeking a new challenge? How about the opportunity to work on a platform that combines a modern tech stack with the exciting realm of Cyber Ranges?

Due to our phenomenal growth, we are seeking an experienced Back-end Engineer skilled in working within AWS & using Node.js to join us as a Senior Back-end Developer - AWS/Node.js.

In this newly created position, you will get to play a key role in the future success of Immersive Labs by defining and implementing innovative solutions within our Cyber Ranges product. You will contribute new ideas and take the lead in helping improve the way we work as we scale, working alongside a world-class team of Engineers.

You'll be a vital member of a friendly multi-disciplinary agile team and there will be plenty of opportunities to learn new skills and technologies. You will also get access to our cyber skills and secure coding platform, and on top of this, you will have a personal technical skills budget.  

You will have an opportunity to join OneTeam Day which is a whole day once every 2 weeks to innovate and explore new tools and technologies alongside colleagues from the larger engineering function


Your main responsibilities (we're scaling fast, so these may change as we grow):

You'll get to immerse yourself in a modern tech stack such as Node.js and React, along with cloud-native technologies in AWS such as Lambda and DynamoDB.

You'll join a small team within our Cyber Ranges division, responsible for building and running a modern serverless application which manages infrastructure for numerous customers. We want to give you a place where you'll learn from us and we'll learn from you through getting involved in the following:

  • Design, build, and improve a serverless application running in AWS

  • Formulate technical solutions from product requirements in collaboration with others to create a highly stable, secure, scalable and extensible platform

  • Architect and implement scalable infrastructure solutions

  • Identify performance bottlenecks and bugs in the code, and devise solutions to these problems to minimise customer impact

  • Build and maintaining good test coverage over all aspects of the codebase by performing unit tests and integration tests


You should apply if you have ​​(we know it’s tough, but please try to avoid the ​​confidence gap​.​​ You don’t have to match all the listed requirements exactly to be considered for this role):

  • Demonstrable and up-to-date knowledge of Node.js (experience with TypeScript would be an advantage)

  • Experience creating and maintaining serverless applications with technologies such as AWS Lambda & DynamoDB

  • Ability to provision and manage services in AWS using CloudFormation or similar Infrastructure-as-Code solutions such as Terraform

  • Understanding of fundamental design principles behind secure, scalable applications

  • Proficient understanding of Git / GitHub


Immersive Labs’ growth has been fuelled by our values that underpin everything we do, here's how they relate to this role:

    • Driven - We are innovators and market-creators, constantly moving forward to achieve results in support of our mission.

    • Inclusive - We are passionate about creating an environment of inclusion and respect for our employees, customers and partners, everyone has opportunities to thrive.

    • Customer Obsessed - We seek to develop deep relationships with our customers to help them achieve their business outcomes.

    • One Team - We are a talented global team working together to achieve our vision.

If you would like to read more about what you can expect from our recruitment process, you can visit our dedicated interview process page.


As well as an inclusive, supportive place for you to be you. We offer an extensive range of benefits so you can do your very best work:

  • Time off, flexible and remote working so you can work when is best for you, includes 25 days annual leave +  2 volunteering days and birthday half day

  • Look after your family and yourself with enhanced parental leave, mindfulness groups, critical illness cover, 7% matched pension, health plan and more

  • Career and learning development through the platform and our ‘Learn Anything’ fund

  • Recognition & Rewards for doing great work and living our values and behaviours

  • Informal or formal flexible working options, e.g. flexible start and finish times, reduced hours, job share, remote working

  • We’re a sociable, tight-knit team with monthly socials, and sports clubs. Our socials have included everything from pottery painting and paper mask making, to movie nights and escape rooms

  • When you do visit the UK hub getting there is easy: we’re based in the centre of Bristol, just a 10 minute walk from the train station. We also offer railcard loan and cycle scheme to buy a new bike

Find out more at

Unlock your potential with Immersive Labs. Click apply to find out more.