Senior Fullstack Engineer

City Of London, England, United Kingdom

6/30/2025

At Track24 we empower organisations to protect their people, in any context, in any location, at any time.

At Track24, we’re transforming the way organisations stay connected with their teams across the globe. Our flagship location intelligence platform, AtlasNXT, has launched us into an exciting phase of growth and are looking for passionate individuals to join our Engineering team.

What’s AtlasNXT?

It’s more than a product—it’s a mission. AtlasNXT empowers businesses to fulfil their duty of care by helping our customers make better decisions and stay ahead of risk, no matter where they are. As a Fullstack Engineer, you’ll be at the forefront of this mission, helping us to build a scalable geo-location platform which helps keep people safe wherever they are in the world.

Track24 is looking for a skilled and adaptable Senior Full Stack Engineer, with experience using Javascript and PHP to help deliver new features to our AtlasNXT platform while supporting our legacy systems. You’ll work across a variety of projects, contributing to the stability, scalability, and reliability of our products.

Key Responsibilities

Responsibilities include:

• Consulting the Engineering Team on planning and execution of the quarterly roadmap projects and features across multiple areas of the Track24 domain
  

• Working cross-functionally across Product, Engineering, DevOps, Data and QA teams to facilitate delivery
  

• Regularly reporting and providing updates regarding engineering concerns promptly and raising issues that impact execution or delivery and work closely with the Technical Lead
  

• Working as part of a team with a deep focus on hard technical problems and explain the why, how, and what, that makes your solution technically sound, provide constructive feedback regarding best practices, performance, and maintainability
  

• Staying ahead of the curve with respect to new technologies and techniques with an eye towards continual improvement of both the team’s skill set and the product goals
  

• Consulting with the Technical Lead on coding, process and best practices (e.g. adherence to Definition of Done and other ways of working practices)
  

• Championing the Engineering ways of working and implemented in your day-to-day work and across the team
  

• Be a key player in the reliability, availability and scalability of software systems
  

  
  
  
  

Requirements

• Strong experience with backend, frontend and mobile development with Node, React/React Native and PHP
  

• Experience with project management tools such as Jira or Linear
  

• Experience with cloud computing (AWS, GCP or Azure)
  

• Experience with designing and implementing service-orientated, event-driven architectures and systems
  

Desirable Experience:

• Have experience with building, running and scaling containerised applications, container orchestration platforms such as Kubernetes and IaC tooling such as Terraform
  

• Have experience with tracking analytics, feature flags implementation, measuring impact of feature delivery and utilising analytics to make data-informed decisions
  

• Have worked in high risk environments managing critical system workloads with high availability and uptime requirements
  

• Have experience with Elixir application development
  

Benefits

This role is perfect for someone who thrives in dynamic environments, values clean and secure code, and enjoys collaborating closely with cross-functional teams.

We are looking for someone who wants to join a highly collaborative team and someone who is happy to visit our London office (Farringdon), once per week.