Full Stack Engineer (Python/React)
Location: Hybrid, London
Contract Type: 5 days a week, full-time
Start Date: ASAP
We're looking for a skilled Software Engineer to support a secure platform used for large-scale data processing and cyber analytics. This is an exciting contract opportunity to contribute to a mission-critical environment, working closely with engineering teams to develop and improve high-volume, high-velocity systems.
Key Responsibilities
* Investigate and resolve system issues via proactive monitoring and dashboards
* Design and build critical applications for data analysis and querying
* Optimise system performance through code reviews and refactoring
* Develop new ways of visualising and querying large datasets
* Collaborate with cross-functional teams to support 1st line operations and maintain platform health
* Document support processes and provide technical guidance where needed
Required Skills & Experience
* Strong experience in Python 3 and PySpark
* Hands-on with Elasticsearch, including tuning and data discovery
* Proficient with distributed datasets (HDFS, CEPHFS)
* Frontend development with React, NextJS, MUI
* Familiarity with Scala for data insights and ad hoc queries
* Infrastructure tooling like Ansible and Puppet is a plus
* Background in networking, protocol analysis, or ethernet stacks
* Strong debugging, scripting, and software testing capabilities
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