At a Glance
- Tasks: Design and deliver modern Java/React applications in complex systems.
- Company: Join Appvia, a dynamic startup revolutionising cloud software delivery.
- Benefits: Competitive salary, bonus, shares, and flexible hybrid work.
- Other info: Opportunity for career growth in a supportive, collaborative environment.
- Why this job: Make a real impact on innovative projects with cutting-edge technology.
- Qualifications: Strong experience in Java, React, and full-stack development.
The predicted salary is between 70000 - 80000 £ per year.
Location: London, UK (Hybrid - ~1-2 days per month in office / onsite)
Contract: Permanent, Full-time
Package: £70,000-80,000 + 10% Bonus + 10% Shares + Benefits
About Appvia
Appvia is a specialist cloud, platform, and solutions engineering consultancy, helping organisations modernise software systems, improve developer productivity, and adopt cloud-native practices that enable long-term, sustainable delivery. Our software engineering capability focuses on modern application development, domain-driven design, and improving delivery outcomes through better architecture, testing, and developer experience. We work across complex, high-impact environments in both the public and private sector, delivering solutions where quality, scalability, and reliability are critical.
About the Role
We are hiring multiple Senior Java / React Full Stack Developers to join a growing Software Engineering practice, supporting a large-scale modernisation and AI-enabled transformation programme. This is a hands‑on, client‑facing role where you will help shape and deliver modern software solutions within complex environments working on what is effectively a greenfield build within a brownfield ecosystem, introducing new architecture, tooling, and engineering standards to enable long-term scalability. You will report into a Principal Software Engineer, contributing to both delivery and the continued growth of Appvia’s software engineering capability.
Interview Process - 2 Stage
- Discovery conversation with Talent Acquisition
- Technical Interview with Engineering Team
- Final Interview with Leadership
Important
You must be eligible for UK Security Clearance (SC):
- British Passport or ILR
- Resided in the UK for the last 5 years
- No criminal record or financial irregularities
About You
You are a strong full‑stack engineer with a consulting mindset, comfortable working in complex environments and influencing how software is designed and delivered. You will bring:
- Strong experience with React and modern front‑end development
- Strong backend experience with Java (Spring Boot)
- A solid grounding in Domain Driven Design (DDD)
- Experience working with microservices architectures
- Full‑stack capability across UI, API, and data layers
- Experience working in cloud‑native environments (ideally AWS)
- Interest or experience in AI-assisted development to improve productivity and quality
- Confidence working directly with stakeholders and guiding technical decisions
Responsibilities
- Design and deliver modern Java / React applications within complex systems
- Contribute to modernisation of legacy systems into scalable, service‑based architectures
- Apply DDD principles to improve system structure and maintainability
- Improve development workflows, testing approaches, and engineering standards
- Collaborate with platform and test engineers to deliver integrated, end‑to‑end solutions
- Introduce and embed modern tooling and AI‑assisted development practices
- Act as a senior consultant within delivery teams, influencing engineering best practices
- Support teams in building scalable, maintainable, and high‑quality software
Technical Skills
Core technologies:
- Java / Spring Boot
- React / Node.js
- HTML / CSS / JavaScript
- MongoDB
- Docker / Kubernetes
- Maven
- GitLab
Nice to have:
- Playwright or modern testing frameworks
- GovUK Design System / UI Framework
Why join Appvia?
We are a self‑funded, London based startup; providing businesses with a fast and secure way to deploy containerised applications into the cloud. We are on a mission to enable organisations to make cloud‑based software delivery simple and efficient, whilst having the insights into costs, security and cadence. As a company that holds customers at the heart of everything we do, we are looking for candidates that want to make a real change to how Dev and Ops is working in the industry.
Senior Full Stack Developer - UK Security Clearance Eligibility required in London employer: Appvia
At Appvia, we pride ourselves on being an exceptional employer that fosters a culture of innovation and collaboration. Our London-based team enjoys the flexibility of a hybrid work model, competitive compensation, and opportunities for professional growth, including participation in our share scheme. Join us to lead transformative cloud initiatives while working alongside talented professionals dedicated to delivering secure, cutting-edge solutions for our clients.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Full Stack Developer - UK Security Clearance Eligibility required in 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 Appvia 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 Appvia.
✨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 Appvia.
✨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 Appvia 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 Developer - UK Security Clearance Eligibility required in 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 Appvia.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Appvia 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 Appvia
✨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 Appvia 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.