Contract Developer - Node.js, REST API, SIP, VOIP

Reed Technology; England; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A technology recruitment agency in the UK is seeking a Contract Developer with expertise in Node.js, REST API design, and SIP communications. This hybrid role involves crucial tasks such as migrating legacy systems to the cloud, developing secure APIs, and maintaining SIP/TLS integrations. The ideal candidate has at least 3 years of backend experience and a relevant degree in computer science.

Qualifications

• Minimum 3 years of backend development experience using Node.js/Express.
• Proven track record in building and deploying REST APIs.
• Experience with SIP/TLS integration and managing real-time communications.
• Familiarity with cloud services and migrating on-prem solutions to cloud environments.

Responsibilities

• Analyze existing applications to identify dependencies on on-prem infrastructure.
• Develop and maintain secure REST APIs for functionalities related to SIP.
• Implement and maintain robust SIP/TLS integrations.
• Design and manage schemas in cloud databases.
• Oversee the migration of sensitive data to secure cloud storage solutions.

Skills

Node.js development

REST API design

SIP/TLS integration

Cloud services

Education

Bachelor's degree in Computer Science

Job description

Contract Developer - Node.js development, REST API design, and SIP-based communications

• Duration: 3 months (Outside IR35)
• Location: Bracknell / Hybrid

Contract Developer with deep expertise in Node.js development, REST API design, and SIP-based communications. This role is crucial for supporting the migration of legacy device management, call control, and configuration workflows to a secure, scalable cloud environment.

Day-to-day of the role:

• Cloud Migration & Refactoring: Analyse existing applications to identify dependencies on on-prem infrastructure and design cloud-native solutions. Refactor services to enhance scalability and reliability in the cloud.
• Service & API Development: Develop and maintain secure REST APIs for functionalities such as SIP authentication, call control, and real-time data interactions.
• Real-Time Communication Integration: Implement and maintain robust SIP/TLS integrations, ensuring low latency and secure communications within a safety-critical environment.
• Data & State Management: Design and manage schemas in cloud databases, ensuring efficient data transactions and real-time state management.
• Security & Compliance: Oversee the migration of sensitive data to secure cloud storage solutions, ensuring compliance with GDPR and other regulatory standards.

Required Skills & Qualifications:

• Experience:
  • Minimum 3 years of backend development experience using Node.js/Express.
  • Proven track record in building and deploying REST APIs.
  • Experience with SIP/TLS integration and managing real-time communications.
  • Familiarity with cloud services and migrating on-prem solutions to cloud environments.
• Qualifications:
  • Bachelor's degree in Computer Science, Software Engineering, or a related field.
  • Additional certifications in Node.js or cloud technologies are advantageous.

Node.js development, REST API design, SIP-based communications, outside IR35, Bracknell, Hybrid, Contract.