Lead Software Engineer
Lead Software Engineer

Lead Software Engineer

Full-Time 72000 - 84000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Lead the design and development of cutting-edge AI systems for defence and health.
  • Company: Innovative UK tech company focused on mission-critical applications.
  • Benefits: Competitive salary, bonus, hybrid work, and professional growth opportunities.
  • Why this job: Shape the future of AI technology while mentoring a passionate team.
  • Qualifications: Active SC clearance, strong Python skills, and experience in AI/ML systems.
  • Other info: Join a dynamic environment with a chance to influence engineering culture.

The predicted salary is between 72000 - 84000 £ per year.

Our client, an innovative UK technology company, is building a next-generation AI platform for defence and health applications. Their systems operate in highly regulated, mission-critical environments where reliability, security, and performance truly matter.

We are looking for a Lead Software Engineer to take technical ownership of key platform components, guide architectural decisions, and mentor engineers as we scale. This is a hands-on leadership role; you will be writing code, shaping systems, and directly influencing the future of the platform. This is a genuine ground-floor opportunity to shape both the technology and the engineering culture within a growing, mission-driven business.

What You’ll Be Working On:

  • Leading the design, development, and evolution of intelligent, distributed systems
  • Architecting and building AI-driven capabilities, including:
  • Large Language Models (LLMs)
  • Retrieval-Augmented Generation (RAG)
  • AI agents and orchestration workflows
  • Designing and maintaining backend services and APIs (primarily Python, FastAPI / Flask)
  • Building and scaling data pipelines and search systems using: ElasticSearch, Weaviate, Pinecone, and other vector databases
  • Engineering secure, containerised architectures using Docker and Kubernetes
  • Ensuring high availability, fault tolerance, and performance for mission-critical workloads
  • Providing technical leadership and mentorship to other engineers
  • Contributing to technical strategy, tooling choices, and engineering best practices
  • What We’re Looking For:

    • Essential:
    • Active SC clearance and British nationality (no dual nationality)
    • Degree in Computer Science, AI, or a related field or equivalent industry experience
    • Strong background in Python or similar languages
    • Significant experience with backend development, microservices, and distributed systems
    • Hands-on experience with AI/ML systems, including LLMs, RAG, or vector databases
    • Solid understanding of containerisation and orchestration (Docker / Kubernetes)
    • Experience delivering secure, on-premise or regulated systems
    • Proven ability to lead technically, mentor others, and take ownership of complex problems
  • Desirable:
    • Experience in defence, government, healthcare, or other regulated domains
    • Familiarity with DevOps practices, CI/CD pipelines, and infrastructure as code
    • Exposure to data engineering, ETL pipelines, or high-volume data processing
    • Experience working in SME or start-up environments, comfortable wearing multiple hats

    Salary: £90,000 - £100,000 (DOE) + Bonus + Benefits

    Hybrid working: 1 day per week onsite in either Winchester/Basingstoke

    Lead Software Engineer employer: iDPP

    Join an innovative UK technology company that is at the forefront of developing a next-generation AI platform for defence and health applications. With a strong emphasis on reliability, security, and performance, this role offers a unique opportunity to lead and mentor within a mission-driven environment that values technical ownership and employee growth. Enjoy a hybrid working model with just one day a week onsite in the picturesque locations of Winchester or Basingstoke, fostering a collaborative and supportive work culture that encourages creativity and professional development.
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    Contact Detail:

    iDPP Recruiting Team

    StudySmarter Expert Advice 🤫

    We think this is how you could land Lead Software Engineer

    ✨Tip Number 1

    Network like a pro! Reach out to your connections in the tech industry, especially those who work in defence or healthcare. A friendly chat can lead to insider info about job openings and even referrals.

    ✨Tip Number 2

    Show off your skills! Create a portfolio showcasing your projects, especially those involving AI, Python, or containerisation. This gives potential employers a taste of what you can do and sets you apart from the crowd.

    ✨Tip Number 3

    Prepare for interviews by brushing up on technical questions related to backend development and distributed systems. Practice coding challenges and be ready to discuss your past experiences in detail.

    ✨Tip Number 4

    Don’t forget to apply through our website! We’ve got some fantastic opportunities waiting for you, and applying directly can sometimes give you an edge over other candidates.

    We think you need these skills to ace Lead Software Engineer

    Active SC Clearance
    Technical Leadership
    Python
    FastAPI
    Flask
    AI/ML Systems
    Large Language Models (LLMs)
    Retrieval-Augmented Generation (RAG)
    Containerisation
    Docker
    Kubernetes
    Backend Development
    Microservices
    Distributed Systems
    Data Engineering

    Some tips for your application 🫡

    Show Off Your Skills: When you're writing your application, make sure to highlight your technical skills and experience that match the job description. We want to see how your background in Python, AI/ML systems, and backend development can contribute to our innovative projects.

    Be Authentic: Let your personality shine through! We’re looking for someone who fits into our mission-driven culture, so don’t be afraid to share your passion for technology and how you’ve made an impact in previous roles. Authenticity goes a long way!

    Tailor Your Application: Make sure to customise your application for this specific role. Reference the key responsibilities and requirements mentioned in the job description, and explain how your experience aligns with them. This shows us you’ve done your homework and are genuinely interested.

    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 iDPP

    ✨Know Your Tech Inside Out

    Make sure you’re well-versed in the technologies mentioned in the job description, especially Python, FastAPI/Flask, and containerisation tools like Docker and Kubernetes. Brush up on your knowledge of AI-driven capabilities, such as LLMs and RAG, so you can confidently discuss how you've applied these in past projects.

    ✨Showcase Your Leadership Skills

    Since this role involves mentoring and technical leadership, be prepared to share specific examples of how you've guided teams or made architectural decisions in previous roles. Highlight your ability to take ownership of complex problems and how you’ve fostered a collaborative engineering culture.

    ✨Prepare for Scenario-Based Questions

    Expect questions that assess your problem-solving skills in mission-critical environments. Think about scenarios where you had to ensure high availability and fault tolerance. Be ready to explain your thought process and the steps you took to achieve successful outcomes.

    ✨Understand the Company’s Mission

    Research the company’s focus on defence and health applications. Be ready to discuss how your background aligns with their mission and how you can contribute to building reliable and secure systems. Showing genuine interest in their work will set you apart from other candidates.

    Lead Software Engineer
    iDPP

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