At a Glance
- Tasks: Solve complex problems and build next-gen UI frameworks for global enterprises.
- Company: High-growth software company with a focus on engineering excellence.
- Benefits: Competitive salary, pension, private healthcare, gym membership, and high-spec hardware.
- Other info: Enjoy high autonomy in a dynamic, hybrid working environment.
- Why this job: Join a technical team and make a real impact on mission-critical applications.
- Qualifications: Experience in C++, Java, or C# and strong understanding of algorithms and performance optimisation.
The predicted salary is between 150000 - 200000 £ per year.
Senior Frontend Systems Engineer (TypeScript) – UI Frameworks | London £150,000 – £200,000 + pension, private healthcare, gym membership, hardware budget London (Hybrid – 2 days WFH)
Most frontend roles sit on top of frameworks. This one builds them. A high-growth software company is engineering a next-generation UI framework and data visualisation platform used in mission-critical environments by global enterprises, financial institutions, and technology companies. Their products power applications used by millions of users every day.
What you’ll be doing:
- Solving complex problems around data structures, recursion, memory usage, and rendering performance
- Building features end-to-end — from design through to release
- Contributing to a product used by engineering teams globally
What they’re looking for:
- Background in C++, Java, or C# — or a clear systems-level way of thinking
- Solid understanding of algorithms, data structures, and performance optimisation
- Experience building complex systems (not just standard web apps)
- Good understanding of how frameworks (React, Angular, Vue) interact with the DOM
- Ability to identify bottlenecks, debug performance issues, and optimise effectively
- High standards around code quality, design, and maintainability
Why this role stands out:
- You’ll work on problems most frontend engineers never get near
- You’ll be part of a deeply technical, engineering-led team
- High autonomy, low bureaucracy
- Real impact on a product used globally
Package includes:
- Pension
- 25 days holiday + bank holidays
- High-spec hardware
- Central London office (hybrid working)
If you want to engineer the foundations behind some of the world’s most demanding applications, this is the environment built for you. Get in touch!
Senior TypeScript Engineer | Developer Tools & UI Infrastructure | London employer: techstack Recruitment
Join a high-growth software company in London that is at the forefront of engineering next-generation UI frameworks and data visualisation platforms. With a strong focus on technical excellence, you will enjoy a collaborative work culture that values autonomy and innovation, alongside competitive benefits such as private healthcare, gym membership, and a generous hardware budget. This role offers unique opportunities for professional growth and the chance to make a real impact on products used by millions globally.
StudySmarter Expert Advice🤫
We think this is how you could land Senior TypeScript Engineer | Developer Tools & UI Infrastructure | London
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at techstack Recruitment or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to techstack Recruitment.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like techstack Recruitment.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like techstack Recruitment that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Senior TypeScript Engineer | Developer Tools & UI Infrastructure | London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at techstack Recruitment.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at techstack Recruitment and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at techstack Recruitment
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If techstack Recruitment uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
