Direct message the job poster from Helyx
Mid to Senior-Level React Engineer – GIS & Esri JS API
Are you a skilled React Engineer with a passion for geospatial technologies? Do you thrive in dynamic environments where precision and innovation are crucial? Join Helyx and be part of a team delivering cutting-edge solutions for defence and security applications.
Role Overview
Key Responsibilities
* Develop and maintain interactive GIS-based web applications using React.
* Design and implement scalable, high-performance front-end architectures for mapping solutions.
* Work closely with geospatial analysts and backend developers to deliver seamless applications.
* Integrate geospatial data sources and RESTful APIs to visualise and manipulate data in real-time.
* Troubleshoot and resolve issues related to geospatial data rendering and interactivity.
* Contribute to the adoption of best practices in modern front-end development.
* Maintain high standards of security, performance, and usability in all projects.
What You Bring to the Table
* Strong proficiency in React.js, including hooks, component lifecycle, and performance optimisation.
* Familiarity with GIS data formats (GeoJSON, WMS, WFS, KML, etc.) and working with geospatial databases.
* Experience of RESTful API development.
* Exposure to mapping libraries such as Arcpy, Leaflet, OpenLayers, or Mapbox is beneficial.
* Strong problem-solving skills and the ability to work in a fast-paced, agile environment.
* UK Security Clearance (or eligibility to obtain Developed Vetting for sensitive projects – UK Nationals only).
Nice to Have
* Experience integrating with ArcGIS services such as ArcGIS Enterprise.
* Knowledge of graph computing frameworks such as NetworkX or SigmaJS.
* Understanding of building and or exploiting machine learning models.
* Leadership or mentoring experience.
* Familiarity with backend technologies such as Python, FastAPI and relational databases.
* Cloud deployment experience (AWS, Azure, or GCP).
Location
This role is home based with occasional need to travel to the Helyx office in Twyning and to client sites around the UK.
What's in It for You?
* Competitive salary based on experience.
* Generous bonus incentives recognising contributions.
* 9% pension plan, healthcare coverage, and life cover.
* 10 days per year for professional development (5 formal training days + 5 personal development days).
* Salary Sacrifice ULEV car scheme – promoting sustainability.
* Wellbeing allowance to support your physical and mental health.
* A commitment to ongoing learning and career development.
Join Us!
If you're a React Engineer passionate about GIS, eager to work on impactful projects, and looking for an opportunity to shape the future of defence and security technologies, apply today!
Next Steps
Express your interest on LinkedIn or contact our recruitment team at recruitment@helyx.co.uk
Helyx is an equal opportunities employer.
NO AGENCIES
Seniority level
* Mid-Senior level
Employment type
* Full-time
Job function
* Consulting, Information Technology, and Design
Industries
* Defense & Space
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