Senior Software Engineer

Senior Software Engineer

London – Hybrid

We’re working with a growing, international technology business at a pivotal stage of its scale-up journey. With a high-performing team of around 40 people and ambitious growth plans, the company is now seeking a Senior Software Engineer to help shape the evolution of its systems and support the next phase of scale.

Reporting into the engineering team, this is a senior technical role focused on building reliable, scalable software and supporting the systems that underpin the company’s platform. While not a people management position, it carries significant influence across engineering and plays a central role in technical direction, delivery, and engineering standards.

What you’ll be doing

Technical leadership & system reliability

• Owning the design, reliability, and scalability of production systems
• Helping reshape and scale systems to handle significantly increased volume
• Driving best practices in infrastructure, CI/CD, and operational resilience
• Ensuring systems and services support continued growth and product development

Technical direction & architecture

• Contributing to architectural decisions that will define how systems scale
• Guiding engineering practices and design approaches across the stack
• Helping the team make pragmatic trade-offs between speed, quality, and maintainability
• Embedding best practice in system design and software engineering

Delivery & engineering excellence

• Contributing hands-on through coding, code review, and shipping to production regularly
• Owning problems end-to-end, from design through to deployment and ongoing operation
• Working across the stack, with a particular focus on infrastructure
• Supporting system scalability, performance, and reliability as usage grows

Collaboration & influence

• Working closely with other engineers to design, build, and scale systems
• Contributing to technical discussions, pairing, and shared ownership of systems
• Supporting a culture of clear communication, ownership, and continuous improvement

What we’re looking for

• Strong experience building and operating software in production, particularly in AWS
• Solid understanding of infrastructure, CI/CD, and operating reliable systems
• Experience working across the stack, including backend and frontend systems
• Experience designing and scaling systems to handle increased load
• Ability to take ownership and drive work through to completion
• Pragmatic decision-making and clear communication
• Genuine interest in how systems work and how they scale

What you’ll get

• A senior technical role in a business entering its next growth phase
• Real influence over system architecture, engineering practices, and technical direction
• The opportunity to work on systems that are critical to customers and business growth