Senior Backend JavaScript Developer

Salary: £70,000 - 70,000 per year

Requirements

• Deep knowledge of TypeScript and API design best practices
• Strong proficiency in Node.js with a focus on back-end development
• Experienced in database architecture, especially PostgreSQL or similar
• Skilled in building third-party integrations, webhooks, and event-driven systems
• Adept at DevOps practices, CI/CD pipelines, and infrastructure as code
• Knowledge of real-time tech such as WebSockets
• Familiar with automated testing and search technologies like Elasticsearch or Typesense

Responsibilities

• Architect and enhance backend infrastructure: databases, APIs, and integrations
• Develop clean and efficient contracts between front-end and back-end teams
• Build and optimise integrations with external platforms to increase companys value
• Collaborate directly with the founder to shape product development and technical strategy
• Monitor and improve cloud deployment, security, and system performance
• Guide and mentor junior developers to grow their skills

Technologies

• AI
• API
• Architect
• Backend
• CI/CD
• Cloud
• DevOps
• ElasticSearch
• PostgreSQL
• Security
• TypeScript
• NodeJS
• Java

More

We are an innovative company redefining cutting-edge digital solutions. Based in Northern Ireland, we are a small, passionate, and technology-driven organization that collaborates with some of the worlds leading brands. Youll be part of a close-knit team that values building cool stuff, leveraging AI and cloud technologies, and delivering genuine impact for high-profile clients.

last updated 15 week of 2026