Back End Developer

RemoteStar is hiring a Back End Developer (Node.js) on behalf of our UK-based client, a leading cybersecurity company dedicated to risk mitigation and management. Led by experts in information security and high-growth enterprises, the client builds solutions to combat evolving cyber threats.

About the Role

As a Back End Developer (Node.js), you'll play a key role in expanding the client's external technical platform — building scalable APIs, enhancing data feeds, and ensuring high-quality, secure integrations that serve customers worldwide.

Key Responsibilities

• Drive the expansion of data feeds and API offerings, aligning development priorities with customer needs.
• Design, build, and maintain high-performance APIs ensuring scalability, reliability, and security.
• Champion code quality, best practices, and clean architecture.
• Troubleshoot and resolve complex technical issues across distributed systems.
• Stay updated on emerging technologies and identify opportunities for platform enhancement.

Requirements

• Bachelor's degree in Computer Science, Engineering, or related field.
• 3+ years of experience in backend development.
• Strong proficiency in Node.js and Python, with deep knowledge of their ecosystems.
• Expertise in SQL and database optimization.
• Experience with Kafka, Apache Spark, or Apache Flink for streaming data.
• Familiarity with GraphQL, microservices, and distributed architectures.
• Strong problem-solving and collaboration skills.
• Experience with AWS Cloud Platform is a plus.