Principal Software Engineer
Principal Software Engineer

Principal Software Engineer

Dartford 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: Join a leading AI consultancy with a focus on innovation.
  • Benefits: Attractive salary, remote work, and opportunities for professional growth.
  • Why this job: Make a real impact in AI while collaborating with top industry leaders.
  • Qualifications: 8+ years in software engineering with expertise in AI and customer engagement.
  • Other info: Dynamic role with mentorship opportunities and cutting-edge 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 projects, especially those involving AI systems and prototypes. This is your chance to demonstrate your hands-on experience and technical leadership—make it shine!

✨Tip Number 3

Prepare for interviews by diving deep into the company’s AI projects and challenges. Be ready to discuss how you can architect solutions and lead teams effectively. Tailor your responses to highlight your customer-facing expertise and ability to build trust with stakeholders.

✨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 better chance to showcase your fit for the role 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 job description. Highlight your expertise in AI, software engineering, and customer-facing roles to show us you’re the perfect fit!

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 experience aligns with our needs. Be genuine and let your personality come through.

Showcase Your Projects: If you've built any AI systems or prototypes, don’t hold back! Share links or descriptions of your work that demonstrate your hands-on experience and technical leadership. We love seeing what you can do!

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’s super easy!

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 not just a leader but also a hands-on builder.

✨Prepare for Customer-Facing Scenarios

Since this role involves working with senior stakeholders, practice articulating complex technical concepts in simple terms. Think about past experiences where you’ve navigated client environments and how you built trust with decision-makers. Be ready to share specific examples during the interview.

✨Showcase Your Leadership Skills

Be prepared to discuss your experience in leading engineering teams and making architectural decisions. Highlight instances where you’ve mentored others or contributed to internal capability building. This will demonstrate your ability to guide teams in fast-moving environments.

✨Think About AI Strategy

Consider how you would approach facilitating workshops and aligning AI strategies with clients. Prepare to discuss how you would handle objections and build lasting partnerships. Showing that you can think strategically about AI implementation will set you apart from other candidates.

Principal Software Engineer
Immersum
Location: Dartford

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