Senior Software Developer - React, Node.js, Python, CI/CD scripts - Outside IR35

Senior Software Developer (Contract)

Duration: 3 months
Rate: Outside IR35
Location: 90% Remote (occasional on-site as required)

About the Role

We are seeking an experienced Senior Software Developer on a short-term contract. This role is ideal for a highly skilled professional who can deliver robust, secure, and scalable solutions with minimal supervision. You will play a key role in designing and implementing API security testing solutions and ensuring best practices across architecture, coding, and documentation.

Key Responsibilities

• Develop high-quality, production-ready code for API security testing solutions, including comprehensive unit and integration tests.
• Ensure code meets modern best practices and passes all quality checks for automated CI/CD deployment.
• Produce detailed architectural diagrams, ADRs, design documents, runbooks, and onboarding guides.
• Implement secure coding practices (OWASP, threat modelling) and ensure resilience and scalability in all solutions.
• Collaborate on infrastructure automation using Infrastructure-as-Code tools (Terraform, CloudFormation).
• Manage version control and workflows using GitHub.
• Contribute to UI development and AWS-hosted environments.

Required Skills & Experience

• Deep expertise in one or more primary languages: React, Node.js, Python, and CI/CD Scripting.
• Strong knowledge of Infrastructure-as-Code (Terraform, CloudFormation).
• Proven experience with secure coding practices and threat modelling.
• Ability to produce high-quality technical documentation for architecture and implementation guidance.
• Familiarity with AWS hosting and modern deployment pipelines.

What We're Looking For

• A proactive developer who can work independently and deliver results quickly.
• Excellent problem-solving skills and attention to detail.
• Strong communication skills for documentation and collaboration.

Interested? Apply now and help us build secure, scalable, and resilient systems