Principal Software Engineer
Principal Software Engineer

Principal Software Engineer

Cheltenham Full-Time 60000 - 84000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Lead software development projects and ensure high-quality code delivery.
  • Company: Join a top-tier client in the defence and technology sector.
  • Benefits: Enjoy a competitive salary up to £100k plus additional perks.
  • Why this job: Be part of mission-critical projects that make a real difference.
  • Qualifications: Must have extensive experience in software engineering and UK Government Security Clearance.
  • Other info: This role is based in Cheltenham, offering a dynamic work environment.

The predicted salary is between 60000 - 84000 £ per year.

Job Description

Principal Software Engineer Security Cleared

(High Level of UK Government Security Clearance Required)

Salary:up to £100k + Benefits

Copello Global is supporting a confidential client within the defence/technology sector in their search for an experienced Software Engineer to join them in Cheltenham. This is an exciting opportunity to work with a global leader on highly impactful mission-critical pr…

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Principal Software Engineer employer: Copello

Join a leading player in the defence and technology sector, where your contributions as a Principal Software Engineer will directly impact mission-critical projects. Located in Cheltenham, we offer a collaborative work culture that prioritises innovation and professional growth, alongside competitive salaries and comprehensive benefits. With a strong commitment to employee development, you will have access to unique opportunities for advancement in a dynamic and secure environment.
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Contact Detail:

Copello Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Principal Software Engineer

✨Tip Number 1

Make sure you understand the specific requirements for UK Government Security Clearance. Familiarise yourself with the process and be prepared to discuss your eligibility during interviews.

✨Tip Number 2

Network with professionals in the defence and technology sectors. Attend relevant meetups or online forums to connect with others who may have insights into the company or role.

✨Tip Number 3

Stay updated on the latest trends and technologies in software engineering, particularly those relevant to defence applications. This knowledge can help you stand out during discussions.

✨Tip Number 4

Prepare for technical interviews by practising coding challenges and system design questions. Focus on scenarios that are likely to be relevant to mission-critical systems.

We think you need these skills to ace Principal Software Engineer

Proficiency in programming languages such as Java, C++, or Python
Experience with software development methodologies (Agile, Scrum)
Strong understanding of software architecture and design patterns
Knowledge of security protocols and practices
Experience with cloud computing platforms (AWS, Azure)
Ability to write clean, maintainable, and efficient code
Familiarity with version control systems (Git)
Problem-solving and analytical skills
Excellent communication and collaboration skills
Experience in developing scalable and high-performance applications
Understanding of database management systems (SQL, NoSQL)
Ability to mentor and lead junior engineers
Adaptability to new technologies and frameworks

Some tips for your application 🫡

Understand the Role: Read the job description thoroughly to understand the specific requirements and responsibilities of a Principal Software Engineer. Highlight any relevant experience you have in defence or technology sectors.

Tailor Your CV: Customise your CV to reflect your skills and experiences that align with the job. Emphasise your software engineering expertise, particularly in security clearance contexts, and include any relevant projects you've worked on.

Craft a Compelling Cover Letter: Write a cover letter that showcases your passion for the role and the company. Mention your understanding of the importance of security in software engineering and how your background makes you a suitable candidate.

Proofread Your Application: Before submitting, carefully proofread your CV and cover letter for any errors or typos. A polished application reflects attention to detail, which is crucial for a Principal Software Engineer.

How to prepare for a job interview at Copello

✨Understand Security Clearance Requirements

Since this role requires a high level of UK Government Security Clearance, make sure you understand what that entails. Be prepared to discuss your background and any previous security clearances you've held.

✨Showcase Your Technical Expertise

As a Principal Software Engineer, you'll need to demonstrate your technical skills. Be ready to discuss specific projects you've worked on, the technologies you've used, and how you've solved complex problems in your previous roles.

✨Prepare for Behavioural Questions

Expect questions that assess your leadership and teamwork abilities. Think of examples where you've led a team or collaborated effectively with others, especially in high-pressure situations relevant to the defence/technology sector.

✨Research the Company and Its Mission

Familiarise yourself with the company's mission and values, particularly in the context of defence and technology. This will help you align your answers with their goals and show your genuine interest in the role.

Principal Software Engineer
Copello
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  • Principal Software Engineer

    Cheltenham
    Full-Time
    60000 - 84000 £ / year (est.)

    Application deadline: 2027-08-25

  • C

    Copello

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