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The Difference Engine

Senior Software Engineer

On site

London, United kingdom

£ 140,000 /year

Senior

Full Time

13-11-2025

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Skills

Communication Leadership Java JavaScript C# TypeScript Coaching Effective Communication react AWS Recruitment JavaScript/TypeScript

Job Specifications

Are you an experienced Senior Software Engineer who enjoys greenfield development? As a Senior Software Engineer, have you enjoyed working in rapid scale-up environments where you've had direct access to senior leadership, significant influence on technical strategy alongside fostering a culture of best practice and technical innovation within your teams?

Our client is profitable, well-funded and growing at 30% YoY, and is looking for a Senior / Lead Engineer to run their Web Apps team. Having found product / market fit, this hire is now a key inflection point as they embark on a major re-engineering effort to position themselves for scale and to support the large backlog of clients ready to onboard to their platform.

As an established Lead / Senior Software Engineer, you'll have experience of the following:

At least 10+ years commercial software engineering experience, across front and back-end tech stacks
A STEM degree, with a solid understanding of software engineering / computer science fundamentals
While a polyglot mindset is important, a background in a strongly typed OO language is highly valued (C#, Java), as is experience with React, JavaScript/Typescript on the front-end
AWS preferably, though other public cloud experience is accepted
Experience of building feature rich products that users love, while ensuring scalability, performance and security at all times
Collaborating effectively with a technically astute product team
Driving technical excellence across all stages of the product lifecycle
Coaching, mentoring and growing an established mid-level team who are eager to learn from you
Working in a start-up / scale-up environment where you enjoyed having a broad impact, close proximity to leadership and seeing first-hand the impact of your efforts
Seeing the value being on-site 3-4 days a week has in building culture, fostering innovation, and supporting effective communication.

If you're an experienced Senior / Lead Engineer who is excited by greenfield development, rapid-scale and growing a team around you, we'd love to hear from you.

Strong senior software engineers are promised a response within 24 hours of application.

The Difference Engine is a recruitment company working on behalf of its client.

About the Company

We’re technologists in the business of recruitment. theDIfferenceEngine are an Award-Winning independent firm specialising in IT Recruitment, Advisory and Consulting services. With global reach, we place top talent across the UK, continental Europe and beyond and provide expert knowledge to businesses ranging from start-ups to multinational enterprises. Led by a senior leadership team of technologists with more than 30 years’ combined knowledge and experience, we’re all too aware of the frustrations of working with tradit... Know more