At a Glance
- Tasks: Own and enhance a critical customer portal using Microsoft tech and AI.
- Company: Forward-thinking organisation investing in technology and innovation.
- Benefits: Competitive salary, private medical insurance, birthday off, and ongoing training.
- Other info: Collaborative culture with excellent career growth and modern office perks.
- Why this job: Shape the future of tech while making a real impact on business processes.
- Qualifications: Strong C# and .NET experience, with skills in APIs and cloud solutions.
The predicted salary is between 56250 - 68750 £ per year.
Join a well-established and forward-thinking organisation that’s investing heavily in its technology function.
This is a senior opportunity to take ownership of business-critical applications while helping shape the future of an evolving Microsoft and AI-led development environment.
Role Overview
Location
Watford (Hybrid)
Package
Competitive salary + comprehensive benefits package (See more below)
What You’ll Be Doing?
- Take ownership of a business-critical customer portal, driving its ongoing development, enhancement and long-term stability.
- Design, build and maintain robust backend services, APIs and integrations using the Microsoft technology stack.
- Deliver high-quality, well-tested code while contributing to architectural decisions and technical best practice.
- Support the modernisation of legacy applications and play a key role in migrating towards modern cloud-based solutions.
- Develop internal tools and applications while exploring AI technologies to improve business processes and efficiency.
- Collaborate closely with analysts, data specialists and wider stakeholders to translate business requirements into scalable technical solutions.
- Participate in code reviews, testing, documentation and agile ceremonies to ensure high development standards.
- Provide technical guidance to the wider team, acting as a senior technical voice without direct line management responsibilities.
- Support business-critical applications through second-line issue resolution and proactive monitoring of systems and integrations.
- Continuously evaluate emerging Microsoft technologies and recommend improvements that deliver genuine business value.
What we’re looking for?
- Strong commercial experience developing with C# and . NET Framework.
- Expertise building RESTful APIs, backend services and ASP. NET applications.
- Solid knowledge of Microsoft SQL Server, including database design and optimization.
- Experience developing and deploying applications within Microsoft Azure environments.
- Comfortable working across both modern applications and legacy codebases.
- Strong understanding of software development best practices, testing and code quality.
- Experience using Git/Git Hub, agile methodologies, Jira and Confluence.
- Ability to work independently, take ownership and deliver complex technical solutions.
- Excellent communication skills with the confidence to collaborate across technical and non-technical teams.
- Exposure to Microsoft Power Platform, AI tooling, Dynamics 365 integrations or Azure Dev Ops would be advantageous.
What’s in It for You?
- Competitive salary and attractive benefits package.
- Enhanced pension and annual leave.
- Private medical insurance, life assurance and income protection.
- Birthday off every year.
- Ongoing learning and development with access to online training.
- Career progression within a growing internal technology team.
- Modern offices with free parking
- Regular company events and a collaborative, people-first culture.
- The opportunity to influence technology strategy while working with modern Microsoft and AI technologies.
You bring the skills, we’ll bring the opportunity!
We are an equal opportunity employer and value diversity at our company.
We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
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Senior Full Stack Engineer in Watford employer: Addition+
Addition is an exceptional employer that fosters a dynamic work culture in the heart of London, where innovation meets collaboration. With a strong emphasis on professional development, employees are encouraged to grow their skills and advance their careers while enjoying competitive salaries and flexible working arrangements. Joining Addition means being part of a forward-thinking team dedicated to making a meaningful impact in the cyber security landscape.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Full Stack Engineer in Watford
✨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 Addition+ 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 Addition+.
✨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 Addition+.
✨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 Addition+ 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 Full Stack Engineer in Watford
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 Addition+.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Addition+ 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 Addition+
✨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 Addition+ 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.
