Prinicpal Software Engineer

Prinicpal Software Engineer

Full-Time 130000 - 140000 £ / year (est.) No home office possible
Understanding Recruitment

At a Glance

  • Tasks: Lead the evolution of a critical Python platform and design new systems from scratch.
  • Company: Dynamic fintech company with a focus on engineering and innovation.
  • Benefits: Competitive salary, bonus, top-tier medical insurance, and worldwide travel insurance.
  • Other info: Modern office in Central London with excellent growth opportunities.
  • Why this job: Take ownership of a core platform and shape its future direction.
  • Qualifications: Strong Python skills and experience in evolving production systems.

The predicted salary is between 130000 - 140000 £ per year.

We're working with a profitable, engineering-led fintech that builds software used by investment firms to manage reporting, data, and client-facing outputs. Their platform underpins core workflows for their clients - handling complex, highly tailored requirements across data processing, reporting logic, and content generation. They’re now at a key stage of growth: evolving the existing system while building out new products alongside it.

This is a senior, hands-on position with real influence over both architecture and delivery. You’ll be:

  • Leading the evolution of a live, business-critical Python platform
  • Designing and building new systems and features from the ground up
  • Owning architectural decisions across backend services and cloud infrastructure
  • Working closely with stakeholders to shape solutions, not just implement them
  • Setting technical direction and raising engineering standards within a small team

What They’re Looking For:

  • Strong Python experience (FastAPI, Django, Flask etc)
  • Track record of owning or significantly evolving production systems
  • Experience making architectural decisions and working across the full lifecycle
  • Comfortable operating in a smaller, high-ownership environment
  • Able to communicate effectively with both technical and non-technical stakeholders

Why It's interesting:

  • Ownership of a core platform and its future direction
  • Worldwide travel insurance
  • Top-tier Medical + Dental insurance
  • Beautiful, modern office in Central London
  • Profitable company with a clear growth roadmap

Prinicpal Software Engineer employer: Understanding Recruitment

Join a dynamic and profitable fintech company in London, where as a Principal Software Engineer, you will have the opportunity to lead the evolution of a critical platform that supports investment firms. With a strong emphasis on engineering excellence, you'll enjoy a collaborative work culture that fosters innovation and personal growth, alongside competitive benefits such as top-tier medical and dental insurance, and the chance to influence architectural decisions in a high-ownership environment.
Understanding Recruitment

Contact Detail:

Understanding Recruitment Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Prinicpal Software Engineer

✨Tip Number 1

Network like a pro! Reach out to your connections in the fintech space, especially those who work with Python. A friendly chat can lead to insider info about job openings or even a referral.

✨Tip Number 2

Show off your skills! If you’ve got a GitHub or portfolio showcasing your Python projects, make sure to share it during interviews. It’s a great way to demonstrate your hands-on experience and architectural decision-making.

✨Tip Number 3

Prepare for technical interviews by brushing up on system design and architecture principles. Be ready to discuss how you would evolve a live platform and tackle complex requirements—this is key for a Principal Engineer role!

✨Tip Number 4

Don’t forget to apply through our website! We’re all about connecting talented folks like you with amazing opportunities. Plus, it shows you’re genuinely interested in being part of our team.

We think you need these skills to ace Prinicpal Software Engineer

Python
FastAPI
Django
Flask
Architectural Decision Making
Backend Services Development
Cloud Infrastructure
Stakeholder Communication
Full Lifecycle Development
High-Ownership Environment Experience
Team Leadership
Technical Direction Setting
Engineering Standards Improvement

Some tips for your application 🫡

Tailor Your CV: Make sure your CV reflects the skills and experiences that align with the Principal Software Engineer role. Highlight your Python expertise and any experience with FastAPI, Django, or Flask. We want to see how you’ve owned or evolved production systems!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're excited about this role and how you can contribute to our fintech platform. Don’t forget to mention your architectural decision-making experience and how you communicate with both technical and non-technical folks.

Showcase Your Projects: If you've worked on relevant projects, make sure to include them in your application. We love seeing real examples of your work, especially those that demonstrate your ability to design and build systems from scratch. It’s all about showing us what you can bring to the table!

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 shows us you’re keen on joining our team at StudySmarter!

How to prepare for a job interview at Understanding Recruitment

✨Know Your Python Inside Out

Make sure you brush up on your Python skills, especially with frameworks like FastAPI, Django, and Flask. Be ready to discuss your past experiences with these technologies and how you've used them to evolve production systems.

✨Showcase Your Architectural Savvy

Prepare to talk about architectural decisions you've made in previous roles. Think of specific examples where your choices had a significant impact on the project or team, and be ready to explain your thought process behind those decisions.

✨Communicate Like a Pro

Since you'll be working with both technical and non-technical stakeholders, practice explaining complex concepts in simple terms. This will show that you can bridge the gap between different teams and ensure everyone is on the same page.

✨Demonstrate Ownership and Leadership

Be prepared to discuss instances where you've taken ownership of a project or led a team. Highlight how you set technical direction and raised engineering standards, as this role requires a strong leader who can influence others.

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