Senior Software Engineer - Frontend / Fullstack in London
Senior Software Engineer - Frontend / Fullstack

Senior Software Engineer - Frontend / Fullstack in London

London Full-Time 36000 - 60000 £ / year (est.) No home office possible
Outsmart Insight

At a Glance

  • Tasks: Design and maintain robust systems using Python, JavaScript, and modern frameworks.
  • Company: A serious tech company focused on quality and long-term growth.
  • Benefits: Hybrid work model, no weekend shifts, and a supportive team environment.
  • Why this job: Make a real impact by shaping the future of our engineering foundations.
  • Qualifications: Strong Python skills and experience in fullstack development.
  • Other info: Join a small, intellectually driven team with excellent career growth opportunities.

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

It’s a serious engineering role with a great team – and meaningful responsibility. If you enjoy owning real systems, thinking architecturally, improving legacy code thoughtfully rather than rewriting it, and being trusted to deliver without heavy supervision, this role will feel unusually well-matched.

As Senior Fullstack Software Engineer, you will help design, build and maintain the production systems that power Outsmart’s platform. Help shape the engineering foundations for the next stage of company growth.

  • Designing and maintaining backend services primarily in Python
  • Designing and improving data models across relational (e.g. PostgreSQL) and NoSQL databases
  • Working across the stack where needed, including JavaScript, modern HTML/CSS, and utility frameworks such as Tailwind
  • Google Cloud, deployment pipelines and DevOps practices
  • Leveraging modern tooling (including AI-assisted development) to improve quality and velocity

It is thoughtful, high-quality engineering on systems that matter. We are a small, intellectually serious company. Balance speed with long-term maintainability. Backend-heavy, with strong Python expertise.

Schedule: Monday to Friday. Weekends: No. Hybrid (remote and London office).

Outsmart Insight operates at the intersection of technology, intelligence and large-scale coordination. Our internal platform powers a global network and supports complex, high-trust client engagements. We are deliberately serious about quality, reliability and long-term thinking. As we grow, we are investing in strengthening our engineering foundations – building systems that are robust, scalable and thoughtfully designed. Quality delivered every time.

Senior Software Engineer - Frontend / Fullstack in London employer: Outsmart Insight

Outsmart Insight is an exceptional employer for Senior Software Engineers, offering a unique blend of meaningful responsibility and a collaborative work culture. With a focus on thoughtful engineering and long-term maintainability, employees benefit from opportunities for professional growth while working in a hybrid environment that balances remote flexibility with the vibrancy of the London office. Join a small, intellectually serious team dedicated to delivering high-quality systems that truly matter.
Outsmart Insight

Contact Detail:

Outsmart Insight Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Software Engineer - Frontend / Fullstack in London

✨Tip Number 1

Network like a pro! Reach out to your connections in the industry, attend meetups, and engage with online communities. You never know who might have the inside scoop on job openings or can refer you directly.

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your projects, especially those that highlight your experience with Python, JavaScript, and modern frameworks. This will give potential employers a taste of what you can bring to the table.

✨Tip Number 3

Prepare for interviews by brushing up on system design and architecture principles. Be ready to discuss how you've improved legacy code and designed scalable systems in the past. We want to see your thought process!

✨Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in being part of our team at Outsmart.

We think you need these skills to ace Senior Software Engineer - Frontend / Fullstack in London

Python
PostgreSQL
NoSQL databases
JavaScript
HTML
CSS
Tailwind
Google Cloud
DevOps practices
AI-assisted development
Architectural thinking
Legacy code improvement
System design
Quality assurance
Scalability

Some tips for your application 🫡

Show Your Passion for Engineering: When writing your application, let us see your enthusiasm for engineering. Share specific examples of projects you've worked on that demonstrate your ability to think architecturally and improve legacy code. We love seeing candidates who are genuinely excited about building robust systems!

Tailor Your Application: Make sure to customise your application to highlight your experience with the technologies mentioned in the job description, like Python, JavaScript, and cloud services. We want to know how your skills align with our needs, so don’t hold back on showcasing your relevant expertise!

Be Clear and Concise: While we appreciate detail, clarity is key! Keep your application straightforward and to the point. Use bullet points where possible to make it easy for us to see your qualifications at a glance. Remember, we’re looking for thoughtful, high-quality engineering!

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 serious about joining our team at Outsmart!

How to prepare for a job interview at Outsmart Insight

✨Know Your Tech Stack

Make sure you’re well-versed in the technologies mentioned in the job description, especially Python, JavaScript, and database management. Brush up on your knowledge of relational and NoSQL databases, as well as modern HTML/CSS frameworks like Tailwind. Being able to discuss your experience with these tools will show that you’re ready to hit the ground running.

✨Showcase Your Problem-Solving Skills

Prepare to discuss specific examples where you've improved legacy code or designed systems thoughtfully. Think about challenges you've faced in previous roles and how you approached them. This will demonstrate your ability to think architecturally and deliver quality solutions without heavy supervision.

✨Understand the Company’s Values

Research Outsmart Insight and understand their focus on quality, reliability, and long-term thinking. Be ready to explain how your personal values align with theirs and how you can contribute to building robust and scalable systems. This shows that you’re not just looking for any job, but that you genuinely want to be part of their mission.

✨Prepare Questions

Have a few thoughtful questions ready to ask at the end of the interview. Inquire about their engineering practices, team dynamics, or future projects. This not only shows your interest in the role but also gives you insight into whether the company is the right fit for you.

Senior Software Engineer - Frontend / Fullstack in London
Outsmart Insight
Location: London

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