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- Tasks: Design and develop enterprise web applications while leading small project teams.
- Company: Map Room, a forward-thinking tech company in North London.
- Benefits: Competitive salary, flexible working, and opportunities for professional growth.
- Why this job: Join a hands-on role where your coding skills can shape innovative solutions.
- Qualifications: Degree in Science/Engineering and experience in modern web application development.
- Other info: Dynamic team environment with a focus on engineering best practices.
The predicted salary is between 36000 - 60000 £ per year.
Map Room is supporting a customer to identify a Senior Web Application Developer. This role will be ideal for a candidate who genuinely enjoys programming and wants to play a key role in building enterprise-grade web applications. You'll be part of the Core Engineering team, working closely with the Development Manager, delivering high-quality systems primarily in F#, while also leading small project teams and influencing technical direction. This is not a maintenance role — it’s a hands-on engineering position with architectural input and leadership responsibility.
Role Focus:
- Designing, developing and supporting enterprise web applications
- Translating business requirements into scalable technical solutions
- Specifying systems, features and processes
- Estimating project scope, timelines and resources
- Writing SQL queries and reporting against SQL Server
- Maintaining secure, compliant and up-to-date dependencies
- Ensuring the correct packaging and delivery of software
- Managing small development teams or leading defined workstreams
- Contributing to engineering best practice and quality standards
You’ll also be expected to become a subject matter expert in existing systems and guide clients or stakeholders toward the best technical solution.
Technical Environment: You’ll be working with:
- ASP.NET Core (.NET 10+)
- Fable / Fable React / Elmish (F# to JS transpilation SAFE Stack)
- Webpack
- SQL Server
- SASS
Essential:
- 2:1 or First in a Science/Engineering discipline
- Strong commercial experience building modern web applications
- Deep understanding of APIs and distributed systems
- Experience with modern front-end architecture and tooling
- Confidence in communicating technical decisions to stakeholders
Personal Attributes:
- Proactive and self-managing
- Quick learner who can master unfamiliar technologies
- Inquisitive — you want to understand how and why systems work
- Comfortable mentoring others and leading small teams
- Engaged with the wider development community
Follow the link to apply, closing date for applications is 24th Feb 2026.
Senior Web Application Developer in London employer: Map Room
Contact Detail:
Map Room Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Web Application Developer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech community, especially those who work at Map Room or similar companies. A friendly chat can sometimes lead to job opportunities that aren't even advertised.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your best web applications and projects. This is your chance to demonstrate your expertise in F#, ASP.NET Core, and any other relevant technologies. Make it easy for potential employers to see what you can do!
✨Tip Number 3
Prepare for interviews by brushing up on your technical knowledge and soft skills. Be ready to discuss your experience with APIs, distributed systems, and leading teams. Practice common interview questions and think about how you can convey your passion for programming.
✨Tip Number 4
Don't forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who take the initiative to engage directly with us. Good luck!
We think you need these skills to ace Senior Web Application Developer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV reflects the skills and experiences that match the Senior Web Application Developer role. Highlight your programming expertise, especially in F# and ASP.NET Core, and don’t forget to mention any leadership experience you have!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about building enterprise-grade web applications and how your background makes you a perfect fit for our Core Engineering team.
Showcase Your Projects: If you've worked on relevant projects, whether personal or professional, make sure to include them. We love seeing real examples of your work, especially if they demonstrate your full-stack capabilities and understanding of modern web architecture.
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands. Plus, it shows us you’re serious about joining our team!
How to prepare for a job interview at Map Room
✨Know Your Tech Stack
Make sure you’re well-versed in the technologies mentioned in the job description, especially ASP.NET Core and F#. Brush up on your SQL skills too, as you'll likely be asked to demonstrate your understanding of databases during the interview.
✨Showcase Your Projects
Prepare to discuss specific projects where you've designed and developed web applications. Highlight your role in translating business requirements into technical solutions and any leadership experience you have managing small teams or workstreams.
✨Communicate Clearly
Practice explaining complex technical concepts in simple terms. You’ll need to communicate effectively with stakeholders, so being able to articulate your thought process and decisions is key. Consider doing mock interviews to refine this skill.
✨Demonstrate Your Passion
Let your enthusiasm for programming shine through! Talk about your engagement with the development community and any personal projects or contributions to open-source that showcase your proactive nature and eagerness to learn.