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Senior Software Developer

Job in City Of London, Central London, Greater London, England, UK
Listing for: Sanderson Government & Defence
Full Time position
Listed on 2026-10-18
Job specializations:
  • Software Development
    Backend Developer
Salary/Wage Range or Industry Benchmark: 70000 - 100000 GBP Yearly GBP 70000.00 100000.00 YEAR
Job Description & How to Apply Below

We are looking for an experienced Senior Software Developer with strong Node.js expertise to join a growing engineering team. You will play a key role in designing, developing, and maintaining scalable backend services and cloud-native applications.

Key Responsibilities
  • Design, develop, and maintain backend applications using Node.js and Type Script.
  • Develop and consume RESTful APIs and microservices.
  • Build scalable, secure, and high-performing cloud-native solutions.
  • Work closely with stakeholders to understand business requirements and translate them into technical solutions.
  • Participate in architecture discussions and technical design workshops.
  • Write clean, maintainable, and well-tested code.
  • Conduct code reviews and champion engineering best practices.
  • Mentor junior and mid-level developers.
  • Collaborate with Dev Ops teams to improve CI/CD pipelines and deployment processes.
  • Troubleshoot production issues and optimise system performance.
  • Contribute to Agile ceremonies including sprint planning, stand-ups, retrospectives, and backlog refinement.
Essential Skills & Experience
  • 5+ years of commercial software development experience.
  • Strong experience developing applications using Node.js.
  • Proficient in Type Script and modern JavaScript (ES6+).
  • Experience building REST APIs and microservices.
  • Strong understanding of asynchronous programming and event-driven architectures.
  • Experience working with SQL and/or No

    SQL databases.
  • Familiarity with cloud platforms such as AWS, Azure, or GCP.
  • Experience with Docker and containerised environments.
  • Strong knowledge of software engineering principles, design patterns, and best practices.
  • Excellent debugging and problem-solving skills.
  • Experience working within Agile delivery teams.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Position Requirements
10+ Years work experience
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