Principal Software Engineer
Principal Software Engineer

Principal Software Engineer

Edinburgh Full-Time 120000 - 180000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Lead AI solution design, build prototypes, and advise high-level stakeholders.
  • Company: Dynamic AI consultancy focused on innovative solutions.
  • Benefits: Competitive salary, remote work, and opportunities for professional growth.
  • Why this job: Make a real impact in AI while collaborating with industry leaders.
  • Qualifications: 8+ years in software engineering with expertise in GenAI and customer engagement.
  • Other info: Mentor teams and shape the future of AI technology.

The predicted salary is between 120000 - 180000 £ per year.

Principal Software Engineer – Node / TypeScript

£130,000 – £150,000

100% Remote – UK / Europe

Tech stack: Node.js, TypeScript, Cloud, Distributed Systems, APIs, Async Processing

Immersum is supporting a bootstrapped CyberSecurity SaaS company specialising in vulnerability scanning as they look to hire a Principal Software Engineer. With a team of just six, they are building a security-focused cloud platform that helps organisations continuously reduce risk across their digital estate. Fully remote and engineering-led, the business prioritises clean architecture and long-term technical quality.

Who They're Looking For

A T-shaped engineer with deep Node.js and TypeScript expertise who enjoys owning complex systems, influencing technical direction, and staying hands-on.

The Role

• Design and evolve backend services supporting APIs and asynchronous workflows

• Own architecture decisions focused on scalability and reliability

• Set high standards for code quality, testing, and observability

• Address performance, reliability, and technical debt

• Contribute to technical strategy while remaining hands-on

What You'll Bring

Strong production experience with Node.js and TypeScript

Background in distributed systems and event-driven architecture

Experience designing multi-consumer APIs

Solid understanding of cloud environments, data, and reliability

Clear communicator with principal-level impact

Why Join?

Mission-critical product with real engineering impact

Senior, low-ego team with high ownership

Fully remote, high-trust environment

Genuine influence over technical direction

Please note this role does not offer sponsorship.

Principal Software Engineer employer: Immersum

As a Principal Software Engineer at our AI consultancy, you will thrive in a dynamic remote work environment that champions innovation and collaboration. We offer competitive salaries, opportunities for professional growth through mentorship, and the chance to work directly with industry leaders on cutting-edge AI solutions. Our culture prioritises creativity and technical excellence, making it an ideal place for those looking to make a significant impact in the AI landscape.
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Contact Detail:

Immersum Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Principal Software Engineer

✨Tip Number 1

Network like a pro! Reach out to your connections in the AI and software engineering space. Attend meetups, webinars, or even online forums where you can chat with industry leaders. You never know who might have a lead on that Principal Software Engineer role!

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your AI projects, prototypes, and any relevant work. This is your chance to demonstrate your hands-on experience with Python, JavaScript, and those fancy GenAI tools. Make it easy for potential employers to see what you can do!

✨Tip Number 3

Prepare for those interviews! Research common questions for senior technical roles and practice your responses. Be ready to discuss your experience with AI system development and how you've tackled challenges in customer-facing situations. Confidence is key!

✨Tip Number 4

Apply through our website! We’re always on the lookout for talented individuals like you. By applying directly, you’ll get noticed faster and can showcase your enthusiasm for joining our team. Don’t miss out on the opportunity to be part of something great!

We think you need these skills to ace Principal Software Engineer

Python
JavaScript
Azure
AWS
AI Solution Design
Prototyping
Transformer Architectures
Model Fine-Tuning
Prompt Engineering
GenAI Tools (ChatGPT, Claude, Copilot, Cursor)
Full-Stack AI Systems Architecture
Customer Engagement
Technical Leadership
Mentoring
Scalability and Maintainability in Software Development

Some tips for your application 🫡

Tailor Your CV: Make sure your CV reflects the skills and experiences that match the Principal Software Engineer role. Highlight your experience with AI, Python, and customer-facing projects to show us you’re the right fit!

Craft a Compelling Cover Letter: Use your cover letter to tell us why you’re passionate about AI and how your leadership experience can drive our projects forward. Be genuine and let your personality shine through!

Showcase Your Projects: Include links to any relevant projects or prototypes you’ve built, especially those involving AI systems. We love seeing your work in action, so don’t hold back on sharing your achievements!

Apply Through Our Website: We encourage you to apply directly through our website for the best chance of getting noticed. It’s the easiest way for us to keep track of your application and get back to you quickly!

How to prepare for a job interview at Immersum

✨Know Your Tech Inside Out

Make sure you’re well-versed in Python, JavaScript, Azure, and AWS. Brush up on your knowledge of transformer architectures and GenAI tools like ChatGPT and Claude. Being able to discuss these technologies confidently will show that you’re the right fit for a hands-on role.

✨Prepare for Customer-Facing Scenarios

Since this role involves working with senior stakeholders, think about past experiences where you’ve navigated complex client environments. Be ready to share examples of how you’ve built trust and facilitated workshops, as this will demonstrate your customer-facing expertise.

✨Showcase Your Leadership Skills

Highlight your experience in leading architecture decisions and mentoring teams. Prepare to discuss specific instances where you’ve guided engineering teams through challenges, as this will illustrate your capability as a strategic technical leader.

✨Think About AI Solutions

Be prepared to discuss how you would approach identifying high-impact AI opportunities and designing scalable solutions. Think through potential challenges and how you would address them, as this will showcase your problem-solving skills and deep understanding of AI system development.

Principal Software Engineer
Immersum
Location: Edinburgh

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