Senior Backend Software Engineer

Role Title: Senior Backend Software Engineer

Duration: contract to run until 29/06/2026

Location: Remote

Rate: up to £661.50 p/d Umbrella inside IR35

Clearance required: UK National only with Active SC

Role purpose / summary

The Engineering department is dedicated to delivering high-quality, innovative software solutions that meet the needs of our customers and drive the success of our organization. We strive to leverage cutting-edge technologies, best practices, and collaborative teamwork to develop scalable, reliable, and user-friendly software products.

As a Senior Backend Engineer, you will be responsible for designing, building, and maintaining scalable, high-performance backend systems that power the data collaboration platform. You will work closely with cross-functional teams, including frontend engineers, product managers, and infrastructure teams, to deliver robust and efficient solutions. This role requires deep expertise in backend development, system architecture, and database management, with a focus on performance, security, and reliability.

Key Skills/ requirements

• Design and implement scalable, high-performance backend services and APIs that support business needs.
• Identify and resolve performance bottlenecks to ensure smooth operation under high loads.
• Design, optimize, and maintain relational and NoSQL databases to support data integrity and scalability.
• Implement security best practices to protect data and ensure compliance with industry regulations.
• Develop automated testing strategies to maintain code quality and system reliability.
• Work with product, frontend, and DevOps teams to ensure seamless integration and deployment of backend services. Provide mentorship to junior engineers and contribute to team knowledge sharing.
• Implement monitoring and logging solutions to proactively detect and address issues in production.
• Stay updated on emerging technologies and apply best practices to improve system efficiency and maintainability.

Additional company wide requirements:

Understand and comply with our security and privacy policies, maintaining a strong focus on information security in all backend-related activities.

The main skills needed to deliver the core responsibilities:

• 5+ years of experience in backend development, with expertise in one or more programming languages such as Python, Java, Go, or Node.js.
• Strong understanding of distributed systems, microservices architecture, and RESTful APIs.
• Experience with cloud platforms (AWS, Azure, or GCP) and containerization (Docker, Kubernetes).
• Solid understanding of database design, query optimization, and administration for relational (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis) databases.
• Knowledge of scalability strategies, load balancing, caching, and event-driven architectures.
• Strong experience with CI/CD pipelines and automated testing to ensure reliable deployments.
• Excellent problem-solving skills with the ability to diagnose and resolve complex technical issues.
• Strong collaboration and communication skills to work effectively in a cross-functional team.

What are the key indicators of success in this role?

• Backend systems handle high traffic and perform efficiently under load.
• Well-structured, testable, and reusable code that follows best practices.
• Backend services meet industry security standards and data protection regulations.
• Optimized response times, reduced latency, and efficient resource utilization.
• Quick identification and resolution of production issues.
• Effective teamwork and mentorship within the engineering team.
• Adoption of new technologies and improvements in backend infrastructure.

All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply!