Senior Software Engineer (Full-stack) in London
Senior Software Engineer (Full-stack)

Senior Software Engineer (Full-stack) in London

London Full-Time 36000 - 60000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Develop and maintain innovative applications using Python and TypeScript.
  • Company: Join a rapidly scaling US-backed startup with exciting equity opportunities.
  • Benefits: Competitive salary, equity options, and a chance to shape product direction.
  • Why this job: Be part of a dynamic team making impactful contributions in tech.
  • Qualifications: Strong skills in Python and TypeScript; growth mindset and collaboration skills.
  • Other info: We encourage applications from underrepresented talent and support accessibility needs.

The predicted salary is between 36000 - 60000 £ per year.

Join a rapidly scaling US-backed startup at a pivotal moment. With significant funding secured and strong momentum, they are establishing their UK presence and offering exceptional equity opportunities for early team members.

As a Senior Software Engineer, you'll work across our Python and TypeScript stack, contributing wherever the team needs you most.

What You'll Be Doing:

  • Develop and maintain FastAPI (Python) and Next.js (TypeScript) applications.
  • Own features end-to-end - from user interface through to infrastructure and internal tooling.
  • Navigate and contribute to diverse codebases across the platform.
  • Shape product direction and architectural decisions.
  • Work alongside engineers and AI specialists in a cross-functional environment.
  • Grow your expertise while sharing knowledge with the team.

What We're Looking For:

  • Growth mindset - You're intentional about self-improvement and continuous learning.
  • Deep expertise - You've mastered something technical; the specific domain matters less than the depth of skill.
  • Comfort with ambiguity - You thrive on open-ended challenges and unstructured problems.
  • Code fluency - You can dive into complex systems and make impactful contributions quickly.
  • Technical foundation - Strong skills in Python, TypeScript, or both (or genuine enthusiasm to learn).
  • Collaboration style - You work well with others but are equally effective independently.

Nice to Have:

  • Experience with modern frontend frameworks (React, etc).
  • Background in API development or distributed systems.

For more information, please apply!

*Please note that this role will not be able to provide sponsorship support.

Research shows that candidates from underrepresented groups often wait until they meet nearly all requirements before applying, while others apply when meeting just 50-60%. If this role excites you and you meet many—but not all—of these criteria, we still want to hear from you.

We actively encourage applications from underrepresented talent and are committed to supporting accessibility needs throughout our hiring process.

Senior Software Engineer (Full-stack) in London employer: Primis

Join a dynamic and rapidly scaling US-backed startup in London, where innovation meets opportunity. As a Senior Software Engineer, you'll be part of a collaborative culture that values growth and continuous learning, with exceptional equity opportunities for early team members. Enjoy the benefits of working in a vibrant city while contributing to cutting-edge projects alongside talented engineers and AI specialists.
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Contact Detail:

Primis Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Software Engineer (Full-stack) in London

✨Tip Number 1

Network like a pro! Reach out to current employees on LinkedIn or attend industry meetups. A friendly chat can give you insider info and might just get your foot in the door.

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your projects, especially those using Python and TypeScript. This gives us a taste of what you can do and sets you apart from the crowd.

✨Tip Number 3

Prepare for the interview by brushing up on your technical knowledge and problem-solving skills. We love candidates who can tackle open-ended challenges, so practice coding problems and system design scenarios.

✨Tip Number 4

Don’t hesitate to apply through our website! Even if you don’t tick every box, if you’re excited about the role, we want to hear from you. Your passion could be the game-changer!

We think you need these skills to ace Senior Software Engineer (Full-stack) in London

Python
TypeScript
FastAPI
Next.js
API Development
Distributed Systems
Code Fluency
Collaboration
Problem-Solving
Growth Mindset
Continuous Learning
Adaptability
Frontend Frameworks (React)

Some tips for your application 🫡

Tailor Your CV: Make sure your CV reflects the skills and experiences that align with the Senior Software Engineer role. Highlight your expertise in Python and TypeScript, and don’t forget to mention any relevant projects or achievements that showcase your growth mindset.

Craft a Compelling Cover Letter: Use your cover letter to tell us why you’re excited about this opportunity. Share your passion for software engineering and how you thrive in collaborative environments. This is your chance to show off your personality and fit for our team!

Showcase Your Technical Skills: In your application, be sure to highlight your technical foundation. Mention specific projects where you've developed FastAPI or Next.js applications, and any experience with modern frontend frameworks. We want to see your code fluency in action!

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 this exciting time!

How to prepare for a job interview at Primis

✨Know Your Tech Stack

Make sure you brush up on your Python and TypeScript skills before the interview. Be ready to discuss your experience with FastAPI and Next.js, as well as any projects you've worked on that showcase your technical expertise.

✨Showcase Your Growth Mindset

Prepare examples of how you've embraced challenges and learned from them in your previous roles. This will demonstrate your commitment to self-improvement and continuous learning, which is something they value highly.

✨Be Ready for Open-Ended Questions

Expect questions that require you to think on your feet. Practice articulating your thought process when faced with ambiguous problems, as this role thrives on navigating unstructured challenges.

✨Highlight Collaboration Skills

Since you'll be working in a cross-functional environment, be prepared to discuss how you've successfully collaborated with others in the past. Share specific examples of teamwork and how you’ve contributed to group success.

Senior Software Engineer (Full-stack) in London
Primis
Location: London
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  • Senior Software Engineer (Full-stack) in London

    London
    Full-Time
    36000 - 60000 £ / year (est.)
  • P

    Primis

    50-100
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