Principal Software Engineer
Principal Software Engineer

Principal Software Engineer

Leicester 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 AI 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 meaningful 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 virtual coffee chats. You never know who might have the inside scoop on job openings or can refer you directly!

✨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 interviews by diving deep into the company’s AI strategy. Research their recent projects and think about how your expertise can help them tackle challenges. Be ready to discuss your approach to building scalable AI systems and how you can lead teams effectively.

✨Tip Number 4

Don’t forget to apply through our website! We’re always on the lookout for talented individuals like you. Plus, it gives you a direct line to us, making it easier to showcase your passion for AI and software engineering right from the start.

We think you need these skills to ace Principal Software Engineer

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

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 systems, customer-facing projects, and any leadership roles you've held. We want to see how you can bring value to our team!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to tell us why you're passionate about AI and how your background makes you the perfect fit for this role. Be sure to mention specific projects or achievements that demonstrate your expertise.

Showcase Your Technical Skills: Since this role is all about technical leadership, don’t shy away from showcasing your programming skills in Python, JavaScript, and your experience with cloud platforms like Azure and AWS. We love seeing real examples of your work, so feel free to include links to your GitHub or any relevant projects.

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it gives you a chance to explore more about what we do at StudySmarter!

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, practice how you would handle complex client environments. Think of examples where you've built trust with clients or navigated challenging discussions. This will demonstrate your customer-facing expertise.

✨Showcase Your Leadership Skills

Be ready to talk about your experience leading engineering teams and making architecture decisions. Prepare specific examples of how you’ve mentored others and contributed to internal capability building. This will highlight your ability to lead in a fast-paced environment.

✨Think About AI Solutions

Come prepared with ideas on how to identify high-impact AI opportunities and design scalable solutions. You might even want to sketch out a prototype idea or two. This will show your proactive approach and deep understanding of AI system development.

Principal Software Engineer
Immersum
Location: Leicester

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