Senior Backend Developer - fully remote - Cybersecurity sector

About Cyjax

Cyjax is a Cyber Threat Intelligence company that provides a cyber security platform to enable both small and large organisations to quantify and manage their external cyber risk. Our vision is to make threat intelligence accessible to everyone, by providing real-time, straightforward, actionable threat intelligence tailored to specific business needs.

We do this through a host of technologies designed to perform both automated and manual sourcing of threat intelligence, alongside advanced analytical features that enable business entities to conduct analysis and generate outputs in the form of alerts, reports, or data feeds.

Cyjax is in a period of expansion of which the Development Team are at the core; we are looking for a Senior Developer to join our Development Team and help lead our growth. Our core values at Cyjax are Be You, Innovate, Deliver, Build Relationships and Evolve; we are looking for an individual who can work on our core technologies to help us reach our goals.

Your Responsibilities

As Senior Backend Developer, you will be working closely with the Development Team and Infrastructure Team to work on our tech stack and projects.

What you’ll be doing:

• Design, develop, and maintain scalable, secure, and high-performance backend applications using PHP, Python, and Java.
• Build and optimize RESTful APIs and microservices to support robust application functionality.
• Manage and enhance AWS-based infrastructure, ensuring scalability, high availability, and cost efficiency.
• Collaborate closely with the Development and Infrastructure Teams to ensure project success and client satisfaction.
• Write and maintain clear, comprehensive technical documentation for seamless team collaboration and knowledge sharing.
• Stay up to date with the latest trends in backend development, cloud computing, and DevOps to enhance system design and team capabilities.
• Enforce and promote coding standards and best practices across the team.
• Provide mentorship and technical guidance to team members, fostering a culture of excellence.
• Ensure backend systems comply with ISO 27001 standards and other cybersecurity best practices.

What You Should Bring

We’re looking for a hands-on Senior Backend Developer with DevOps experience, possessing the following:

• Proven expertise (5+ years) in backend development with proficiency in at least two programming languages, including PHP (mandatory), Python, or Java.
• Strong experience (3+ years) in managing cloud-based infrastructure with AWS, including the ability to design, deploy, and maintain scalable solutions.
• In-depth knowledge of relational databases (MySQL) and NoSQL systems (e.g., Elasticsearch).
• Hands-on experience with containerization and orchestration technologies, such as Docker and AWS ECS.
• Solid understanding of SaaS architecture, microservices design, and distributed application development.
• Familiarity with software development lifecycle processes, including requirements gathering, issue tracking, version control, and CI/CD pipelines.
• Strong analytical and problem-solving skills, with the ability to make informed, effective technical decisions.
• Clear and professional communication skills in English for collaboration with an international team.
• Experience in cybersecurity or knowledge of security frameworks is a significant advantage.

Benefits

• 25 days holiday (plus public holidays)
• Home working/flexible opportunities
• Enrolment in company pension scheme, subject to eligibility
• Private healthcare, subject to eligibility
• Supportive company and positive team culture
• Opportunity to join an innovative and quickly growing business

CYJAX is an equal opportunity employer. We encourage applications from candidates of all backgrounds and experiences.

Interview Process (conducted online via Microsoft Teams):

1) Introductory Call

Learn about our company and culture, with an opportunity to ask questions. Introduce yourself.

2) Technical Interview

A focussed discussion with our Lead Developer to assess your technical skills and experience.

Final Discussion:

A closing conversation to go over the role and discuss the offer.

To apply for this role, please email your CV to jobs@cyjax.com