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- Tasks: Design and maintain production systems using Python, JavaScript, and modern frameworks.
- Company: A serious tech company focused on quality and long-term engineering solutions.
- Benefits: Hybrid work model, no weekend shifts, and a supportive team environment.
- Why this job: Join a small team to make a real impact on robust, scalable systems.
- Qualifications: Strong experience in Python and frontend technologies like JavaScript and HTML/CSS.
- Other info: Opportunity for growth in a dynamic, intellectually stimulating environment.
The predicted salary is between 43200 - 72000 £ 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, JavaScript) in City of London employer: Outsmart Insight
Contact Detail:
Outsmart Insight Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Software Engineer (Frontend, JavaScript) in City of London
✨Tip Number 1
Network like a pro! Reach out to current employees on LinkedIn or attend industry meetups. A friendly chat can give us insights into the company culture and maybe even a referral!
✨Tip Number 2
Show off your skills in real-time! Consider doing a coding challenge or contributing to open-source projects. This not only sharpens your skills but also gives us something tangible to discuss during interviews.
✨Tip Number 3
Prepare for those tricky technical interviews! Brush up on your JavaScript, Python, and system design concepts. We want to be ready to impress with our knowledge and problem-solving abilities.
✨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 us you’re genuinely interested in being part of our team.
We think you need these skills to ace Senior Software Engineer (Frontend, JavaScript) in City of London
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 JavaScript expertise and any experience with Python, as well as your ability to improve legacy code.
Craft a Compelling Cover Letter: Use your cover letter to tell us why you’re passionate about engineering and how you can contribute to our team. Share specific examples of projects where you've taken ownership and delivered results without heavy supervision.
Showcase Your Problem-Solving Skills: In your application, include instances where you've tackled complex problems or improved systems. We love seeing how you think architecturally and your approach to maintaining high-quality standards.
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 don’t miss out on any important updates from our team!
How to prepare for a job interview at Outsmart Insight
✨Know Your Tech Stack
Make sure you’re well-versed in JavaScript, HTML/CSS, and any frameworks mentioned in the job description. Brush up on your knowledge of Python and database management, especially with PostgreSQL and NoSQL. Being able to discuss your experience with these technologies will show that you’re ready to hit the ground running.
✨Showcase Your Problem-Solving Skills
Prepare examples of how you've improved legacy code or designed systems in previous roles. Think about specific challenges you faced and how you approached them. This will demonstrate your ability to think architecturally and your commitment to quality engineering.
✨Understand Their Values
Familiarise yourself with Outsmart’s focus on quality, reliability, and long-term thinking. Be ready to discuss 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 a job, but a place where you can make a meaningful impact.
✨Ask Thoughtful Questions
Prepare insightful questions about their engineering practices, team dynamics, and future projects. This not only shows your genuine interest in the role but also gives you a chance to assess if the company is the right fit for you. Remember, interviews are a two-way street!