Principal Software Engineer in London
Principal Software Engineer

Principal Software Engineer in London

London Full-Time 48000 - 72000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Lead the design and development of scalable systems while mentoring fellow engineers.
  • Company: Join a forward-thinking tech company focused on innovation and collaboration.
  • Benefits: Enjoy competitive salary, flexible work options, and opportunities for professional growth.
  • Why this job: Make a real impact by shaping the future of technology in a dynamic environment.
  • Qualifications: Expertise in Node.js, Python, and cloud technologies with strong leadership skills.
  • Other info: Be part of a vibrant team with excellent career advancement opportunities.

The predicted salary is between 48000 - 72000 £ per year.

We are seeking an experienced Principal Software Engineer with a strong background in backend and cloud-based development, who has also taken on technical leadership responsibilities. This role involves leading the design and development of scalable systems, mentoring engineers, and ensuring high standards of architecture and code quality across projects.

Responsibilities:

  • Design, develop, and maintain full stack applications with a focus on backend systems
  • Lead technical projects from requirements gathering through to delivery and support
  • Define and enforce best practices for architecture, coding, and deployment
  • Collaborate with engineers, product managers, and stakeholders to deliver reliable, scalable features
  • Mentor team members, providing both technical guidance and personal development support
  • Contribute to the company’s data strategy and build infrastructure to support analytics workflows
  • Ensure system performance, reliability, and security across services

Core Technologies:

  • Languages: Node.js, Python
  • Databases: PostgreSQL, DynamoDB
  • Cloud: AWS (Lambda, DynamoDB, PostgreSQL, Infrastructure as Code)
  • Practices: Microservices, TDD, Agile methodologies, CI/CD, system integration patterns

Requirements:

  • Significant hands-on experience with Node.js and Python in production systems
  • Strong background in database design and development (PostgreSQL, DynamoDB)
  • Proven experience building and deploying applications on AWS
  • Track record of technical leadership: leading projects, mentoring engineers, setting standards
  • Familiarity with infrastructure-as-code and modern DevOps practices
  • Ability to communicate effectively with technical and non-technical stakeholders
  • Strong analytical and problem-solving skills
  • Degree in Computer Science, Engineering, or equivalent experience
  • Interest in financial services or experience in B2B software is advantageous

Principal Software Engineer in London employer: Global M

Join a forward-thinking company that values innovation and collaboration, where as a Principal Software Engineer, you will not only lead the design of cutting-edge backend systems but also mentor the next generation of engineers. Our supportive work culture fosters continuous learning and professional growth, with access to the latest technologies and a commitment to best practices in software development. Located in a vibrant tech hub, we offer a dynamic environment that encourages creativity and teamwork, making it an ideal place for those seeking meaningful and rewarding employment.
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Contact Detail:

Global M Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Principal Software Engineer in London

✨Tip Number 1

Network like a pro! Reach out to your connections in the tech industry, especially those who work at companies you're interested in. A friendly chat can lead to referrals, which can give you a leg up in the hiring process.

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your projects, especially those involving Node.js and Python. 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 your technical knowledge and soft skills. Practice explaining complex concepts in simple terms, as you'll need to communicate effectively with both technical and non-technical stakeholders.

✨Tip Number 4

Don't forget to apply through our website! We love seeing candidates who are genuinely interested in joining our team. Plus, it makes it easier for us to track your application and get back to you quickly.

We think you need these skills to ace Principal Software Engineer in London

Backend Development
Cloud-Based Development
Technical Leadership
System Design
Full Stack Application Development
Node.js
Python
PostgreSQL
DynamoDB
AWS
Infrastructure as Code
Microservices
TDD
Agile Methodologies
CI/CD

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your experience with Node.js, Python, and AWS. We want to see how you've led projects and mentored others, so don’t hold back on those details!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Share your passion for backend development and technical leadership. Let us know why you’re excited about the role and how you can contribute to our team.

Showcase Your Projects: Include links to any relevant projects or code samples that demonstrate your skills in building scalable systems. We love seeing practical examples of your work, especially if they involve microservices or cloud-based solutions.

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 Global M

✨Know Your Tech Inside Out

Make sure you’re well-versed in Node.js and Python, as these are crucial for the role. Brush up on your knowledge of PostgreSQL and DynamoDB too, as you might be asked to discuss database design and development during the interview.

✨Showcase Your Leadership Skills

Prepare examples of how you've led technical projects and mentored engineers in the past. Highlight specific instances where you set standards or enforced best practices, as this will demonstrate your capability to take on a leadership role.

✨Understand the Company’s Needs

Research the company’s data strategy and any recent projects they’ve undertaken. Being able to discuss how your experience aligns with their goals will show that you’re genuinely interested and can contribute effectively.

✨Practice Problem-Solving Scenarios

Be ready to tackle some technical challenges or case studies during the interview. Practising common system integration patterns and microservices architecture will help you articulate your thought process and problem-solving skills clearly.

Principal Software Engineer in London
Global M
Location: London
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  • Principal Software Engineer in London

    London
    Full-Time
    48000 - 72000 £ / year (est.)
  • G

    Global M

    50-100
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